Repository: airqo-platform/AirQo-api
Pull request #4825: feat: implement minimal environment variable validation with console …
Author: login: Baalmart
Labels: name: ready for review
Created: 2025-05-31T10:46:34Z | Merged: 2025-05-31T11:23:44Z

# 🚀 Pull Request

## 📋 Description
Replaces verbose environment validation with a clean, minimal system that only displays problematic variables and summary statistics, with console.log support for development environments where log4js is disabled.

---
## Changes

- [x] ✨ **New Feature**: Created `MinimalEnvValidator` class for streamlined validation
- [x] 🔧 **Enhancement**: Added console.log fallback for development when log4js is disabled  
- [x] 🎯 **UI/UX**: Minimal output - only shows missing/empty variables and summary stats
- [x] 🔒 **Security**: Removed display of actual environment variable values
- [x] 🐛 **Bug Fix**: Fixed automatic environment prefix issue (DEV_, PROD_, STAGING_)
- [x] 📊 **Improvement**: Clean summary table with total/valid/issues counts
- [x] 🚨 **Enhancement**: Critical variable flagging for app-breaking missing vars
- [x] 🧹 **Cleanup**: Removed verbose configuration structure logging
- [x] 📝 **Documentation**: Added inline comments and usage examples
- [x] ⚡ **Performance**: Lightweight validation with minimal console output

## Testing
- [x] Tested in development environment with log4js disabled
- [ ] Verified correct environment variable name detection (no unwanted prefixes)
- [ ] Confirmed minimal output shows only problems and summary statistics
- [ ] Validated critical variable detection and highlighting


<!-- This is an auto-generated comment: release notes by coderabbit.ai -->
## Summary by CodeRabbit

- **New Features**
  - Introduced environment variable validation with detailed reporting, including summaries and quick fix instructions for missing or problematic variables.
  - Added enhanced logging for environment configuration issues, with tailored output for development and production environments.
<!-- end of auto-generated comment: release notes by coderabbit.ai -->


Diff:
diff --git a/src/auth-service/config/constants.js b/src/auth-service/config/constants.js
index 63122229243..eb931a8ae84 100644
--- a/src/auth-service/config/constants.js
+++ b/src/auth-service/config/constants.js
@@ -1,8 +1,23 @@
 const environments = require("./environments");
 const global = require("./global");
+const { DynamicEnvValidator } = require("../utils/validation-reporter");
+
+const environment = process.env.NODE_ENV || "production";
 
 function envConfig(env) {
-  return { ...global, ...environments[env] };
+  const config = { ...global, ...environments[env] };
+
+  // Minimal validation - only shows problems
+  const validator = new DynamicEnvValidator(env);
+
+  if (env === "development") {
+    console.log("🔍 Environment Validation Check...");
+    validator.validateMinimal(config);
+  } else {
+    validator.validateMinimal(config);
+  }
+
+  return config;
 }
-const environment = process.env.NODE_ENV || "production";
+
 module.exports = envConfig(environment);
diff --git a/src/auth-service/utils/validation-reporter.js b/src/auth-service/utils/validation-reporter.js
new file mode 100644
index 00000000000..37a939be894
--- /dev/null
+++ b/src/auth-service/utils/validation-reporter.js
@@ -0,0 +1,284 @@
+// utils/validation-reporter.js
+const log4js = require("log4js");
+
+class ValidationReporter {
+  constructor(environment = process.env.NODE_ENV || "production") {
+    this.environment = environment;
+    this.logger = log4js.getLogger(
+      `${environment.toUpperCase()} -- ENVs validation`
+    );
+    this.useConsole = environment === "development";
+  }
+
+  /**
+   * Logs message using console.log in dev or log4js in production
+   */
+  _log(level, message) {
+    if (this.useConsole) {
+      console.log(message);
+    } else {
+      this.logger[level](message);
+    }
+  }
+
+  /**
+   * Generates a minimal validation report - only shows problems
+   */
+  generateMinimalReport(validationResults) {
+    const {
+      missing = [],
+      empty = [],
+      critical = [],
+      valid = [],
+    } = validationResults;
+    const totalIssues = missing.length + empty.length + critical.length;
+    const totalChecked = totalIssues + valid.length;
+
+    // Show summary statistics first
+    this._showSummaryStats(totalChecked, valid.length, totalIssues);
+
+    // Only show tables if there are issues
+    if (totalIssues > 0) {
+      this._showIssuesTable(missing, empty, critical);
+    }
+
+    return { hasIssues: totalIssues > 0, totalIssues };
+  }
+
+  /**
+   * Shows clean summary statistics
+   */
+  _showSummaryStats(total, valid, issues) {
+    this._log("info", "");
+    this._log("info", "📊 ENVIRONMENT VARIABLES SUMMARY");
+    this._log("info", "═".repeat(40));
+    this._log("info", `Environment: ${this.environment.toUpperCase()}`);
+    this._log("info", `Total Checked: ${total}`);
+    this._log("info", `✅ Valid: ${valid}`);
+    this._log("info", `❌ Issues: ${issues}`);
+    this._log("info", "═".repeat(40));
+
+    if (issues === 0) {
+      this._log(
+        "info",
+        "🎉 All environment variables are properly configured!"
+      );
+    }
+    this._log("info", "");
+  }
+
+  /**
+   * Shows only problematic environment variables in a clean table
+   */
+  _showIssuesTable(missing, empty, critical) {
+    this._log("warn", "⚠️  ENVIRONMENT VARIABLES NEEDING ATTENTION");
+    this._log("warn", "─".repeat(50));
+    this._log("warn", "Variable Name                    Issue");
+    this._log("warn", "─".repeat(50));
+
+    // Show critical issues first (these will crash the app)
+    critical.forEach((issue) => {
+      const name = issue.envVar.padEnd(32);
+      this._log("error", `${name} 🚨 CRITICAL - Missing`);
+    });
+
+    // Show missing variables
+    missing.forEach((issue) => {
+      const name = issue.envVar.padEnd(32);
+      this._log("warn", `${name} ❌ Missing`);
+    });
+
+    // Show empty variables
+    empty.forEach((issue) => {
+      const name = issue.envVar.padEnd(32);
+      this._log("warn", `${name} ⚠️  Empty`);
+    });
+
+    this._log("warn", "─".repeat(50));
+    this._log("warn", "");
+
+    // Show quick fix instructions
+    if (critical.length > 0) {
+      this._log(
+        "error",
+        "🚨 CRITICAL: These missing variables will cause app crashes!"
+      );
+      this._log("error", "   Add them to your .env file immediately.");
+      this._log("error", "");
+    }
+  }
+}
+
+class DynamicEnvValidator {
+  constructor(environment = process.env.NODE_ENV || "production") {
+    this.environment = environment;
+    this.reporter = new ValidationReporter(environment);
+    this.useConsole = environment === "development";
+
+    // Critical config keys that will crash the app if missing
+    this.criticalKeys = ["MONGO_URI", "COMMAND_MONGO_URI", "QUERY_MONGO_URI"];
+  }
+
+  /**
+   * Dynamic validation - checks actual config vs actual environment variables
+   */
+  validateMinimal(config) {
+    const results = this._performValidation(config);
+    const report = this.reporter.generateMinimalReport(results);
+
+    // Show process.env issues in development
+    if (this.environment === "development" && report.hasIssues) {
+      this._showActualEnvIssues(results);
+    }
+
+    return {
+      isValid: !report.hasIssues,
+      ...results,
+      report,
+    };
+  }
+
+  /**
+   * Shows actual process.env issues for problematic variables only
+   */
+  _showActualEnvIssues(results) {
+    const allIssues = [
+      ...results.missing,
+      ...results.empty,
+      ...results.critical,
+    ];
+
+    if (allIssues.length > 0) {
+      console.log("\n🔍 ACTUAL PROCESS.ENV ISSUES");
+      console.log("─".repeat(35));
+
+      allIssues.forEach((issue) => {
+        const value = process.env[issue.envVar];
+        const status = !value
+          ? "Not Set"
+          : value.trim() === ""
+          ? "Empty"
+          : "Invalid";
+        const icon =
+          issue.configKey && this.criticalKeys.includes(issue.configKey)
+            ? "🚨"
+            : "❌";
+        console.log(`${icon} ${issue.envVar}: ${status}`);
+      });
+
+      console.log("─".repeat(35));
+      console.log(`Total actual env issues: ${allIssues.length}`);
+      console.log("");
+    }
+  }
+
+  /**
+   * Performs validation by walking the actual config structure
+   */
+  _performValidation(config) {
+    const missing = [];
+    const empty = [];
+    const valid = [];
+    const critical = [];
+
+    this._validateConfigObject(config, "", {
+      missing,
+      empty,
+      valid,
+      critical,
+    });
+
+    return { missing, empty, valid, critical };
+  }
+
+  /**
+   * Recursively validates configuration object
+   */
+  _validateConfigObject(obj, path, results) {
+    if (typeof obj !== "object" || obj === null || Array.isArray(obj)) {
+      return this._validateValue(path, obj, results);
+    }
+
+    Object.entries(obj).forEach(([key, value]) => {
+      const currentPath = path ? `${path}.${key}` : key;
+      this._validateConfigObject(value, currentPath, results);
+    });
+  }
+
+  /**
+   * Validates individual values against actual environment variables
+   */
+  _validateValue(path, value, results) {
+    if (!path) return; // Skip root level
+
+    const { missing, empty, valid, critical } = results;
+    const envVar = this._guessEnvVarName(path);
+    const isCritical = this.criticalKeys.includes(path);
+    const actualEnvValue = process.env[envVar];
+
+    if (value === undefined || value === null) {
+      const issue = { configKey: path, envVar };
+
+      if (isCritical) {
+        critical.push(issue);
+      } else {
+        missing.push(issue);
+      }
+    } else if (typeof value === "string" && value.trim() === "") {
+      const issue = { configKey: path, envVar };
+
+      if (isCritical) {
+        critical.push(issue);
+      } else {
+        empty.push(issue);
+      }
+    } else {
+      valid.push({ configKey: path, envVar });
+    }
+  }
+
+  /**
+   * Converts config path to environment variable name
+   */
+  _guessEnvVarName(configPath) {
+    return configPath.replace(/\./g, "_").toUpperCase();
+  }
+
+  /**
+   * Gets actual environment variable status from process.env
+   */
+  getActualEnvStatus() {
+    const envVars = Object.keys(process.env);
+    const appEnvVars = envVars.filter(
+      (envVar) =>
+        !envVar.startsWith("npm_") &&
+        !envVar.startsWith("NODE_") &&
+        !["PATH", "HOME", "USER", "SHELL", "PWD"].includes(envVar)
+    );
+
+    let valid = 0,
+      empty = 0;
+
+    appEnvVars.forEach((envVar) => {
+      const value = process.env[envVar];
+      if (value && value.trim() !== "") {
+        valid++;
+      } else {
+        empty++;
+      }
+    });
+
+    if (this.useConsole) {
+      console.log("\n📈 ACTUAL ENV STATUS");
+      console.log("═".repeat(25));
+      console.log(`App Env Vars: ${appEnvVars.length}`);
+      console.log(`Valid: ${valid} | Empty: ${empty}`);
+      console.log("═".repeat(25));
+      console.log("");
+    }
+
+    return { total: appEnvVars.length, valid, empty };
+  }
+}
+
+module.exports = { DynamicEnvValidator, ValidationReporter };


Reviews:
user: login: coderabbitai[bot]
body: **Actionable comments posted: 3**

<details>
<summary>♻️ Duplicate comments (1)</summary><blockquote>

<details>
<summary>src/auth-service/utils/validation-reporter.js (1)</summary><blockquote>

`262-275`: **Duplicate environment variables list detected.**

The `quickSummary` method contains the same hardcoded list of environment variables as `_showEnvIssuesOnly`, violating the DRY principle.



This is the same issue mentioned earlier about making the common environment variables configurable to avoid duplication.

</blockquote></details>

</blockquote></details>

<details>
<summary>🧹 Nitpick comments (5)</summary><blockquote>

<details>
<summary>src/auth-service/utils/validation-reporter.js (3)</summary><blockquote>

`16-22`: **Clean abstraction for logging mechanism.**

The `_log` method provides a clean abstraction between console and log4js logging. However, there's a potential issue with the log level parameter.



Consider adding validation for the log level parameter:

```diff
  _log(level, message) {
    if (this.useConsole) {
      console.log(message);
    } else {
+     if (typeof this.logger[level] !== 'function') {
+       level = 'info'; // fallback to info level
+     }
      this.logger[level](message);
    }
  }
```

---

`221-245`: **Validation logic is sound but could be more explicit.**

The `_validateValue` method handles validation correctly, but the critical variable checking logic could be more explicit about the path vs environment variable name comparison.



Consider making the critical variable matching more explicit:

```diff
  _validateValue(path, value, results) {
    const { missing, empty, valid, critical, criticalVars } = results;
    const envVar = this._guessEnvVarName(path);
-   const isCritical = criticalVars.includes(path);
+   const isCritical = criticalVars.includes(path) || criticalVars.includes(envVar);

    // Rest of the method remains the same...
  }
```

This ensures critical variable detection works whether the config uses the original path or the derived environment variable name.

---

`250-255`: **Environment variable name guessing is too simplistic.**

The `_guessEnvVarName` method may not handle all config path patterns correctly, especially nested objects or arrays.



Consider enhancing the environment variable name detection:

```diff
  _guessEnvVarName(configPath) {
    // Convert config path to environment variable format
    // e.g., "PARTNERS.EMAILS" -> "PARTNERS_EMAILS"
-   // No automatic environment prefixes - use actual variable names
-   return configPath.replace(/\./g, "_").toUpperCase();
+   // Handle nested paths and special characters
+   return configPath
+     .replace(/\./g, "_")
+     .replace(/\[(\d+)\]/g, "_$1") // Handle array indices
+     .replace(/[^A-Z0-9_]/gi, "_") // Replace special chars with underscore
+     .replace(/_+/g, "_") // Collapse multiple underscores
+     .replace(/^_|_$/g, "") // Remove leading/trailing underscores
+     .toUpperCase();
  }
```

</blockquote></details>
<details>
<summary>src/auth-service/config/constants.js (2)</summary><blockquote>

`11-19`: **Consider consistent validation regardless of environment.**

The current implementation only validates in development with console output, but validation should probably run in all environments for consistency, with only the logging method differing.



Consider simplifying the validation logic:

```diff
  // Minimal validation - only shows problems
  const validator = new MinimalEnvValidator(env);
-
- if (env === "development") {
-   console.log("🔍 Environment Validation Check...");
-   validator.validateMinimal(config);
- } else {
-   validator.validateMinimal(config);
- }
+
+ if (env === "development") {
+   console.log("🔍 Environment Validation Check...");
+ }
+ 
+ const validationResult = validator.validateMinimal(config);
+ 
+ // Consider handling validation failures in production
+ if (!validationResult.isValid && env === "production") {
+   // Log critical issues or throw errors as appropriate
+ }
```

---

`20-21`: **Consider returning validation results for downstream usage.**

The function currently only returns the config object, but validation results might be useful for other parts of the application.



Consider returning validation metadata:

```diff
  const validationResult = validator.validateMinimal(config);
  
- return config;
+ return {
+   config,
+   validation: {
+     isValid: validationResult.isValid,
+     hasIssues: validationResult.report.hasIssues,
+     totalIssues: validationResult.report.totalIssues
+   }
+ };
```

However, this would be a breaking change requiring updates to all consumers of `envConfig`.

</blockquote></details>

</blockquote></details>

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<summary>📥 Commits</summary>

Reviewing files that changed from the base of the PR and between c41e9bc0b7f8ee24f0f851f97b1e2f90ed3923c9 and 3d4266092a045a46733bc82dcdb11d16d21dbd3a.

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<details>
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* `src/auth-service/config/constants.js` (1 hunks)
* `src/auth-service/utils/validation-reporter.js` (1 hunks)

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* GitHub Check: build-push-deploy-auth-service
* GitHub Check: Analyze (javascript)
* GitHub Check: Analyze (python)

</details>

<details>
<summary>🔇 Additional comments (4)</summary><blockquote>

<details>
<summary>src/auth-service/utils/validation-reporter.js (3)</summary>

`5-11`: **Well-structured constructor with appropriate logging setup.**

The constructor properly initializes the environment and logger configuration, with a sensible fallback to "production" when NODE_ENV is not set. The conditional console.log usage for development is a practical approach.

---

`27-46`: **Excellent report generation logic with clear structure.**

The `generateMinimalReport` method is well-structured with proper destructuring and clear logic flow. The approach of only showing issues when they exist keeps the output clean and actionable.

---

`73-109`: **Well-organized issue display with good UX considerations.**

The `_showIssuesTable` method excellently prioritizes critical issues and provides clear, actionable feedback. The use of emojis and consistent formatting enhances readability.

</details>
<details>
<summary>src/auth-service/config/constants.js (1)</summary>

`8-9`: **Configuration object creation is clean and efficient.**

The configuration merging using spread operator is clean and maintains proper precedence (environment-specific overrides global).

</details>

</blockquote></details>

</details>

<!-- This is an auto-generated comment by CodeRabbit for review status -->
state: COMMENTED
author_association: CONTRIBUTOR
submitted_at: 2025-05-31T10:50:37Z
user: login: coderabbitai[bot]
body: **Actionable comments posted: 1**

<details>
<summary>♻️ Duplicate comments (2)</summary><blockquote>

<details>
<summary>src/auth-service/utils/validation-reporter.js (1)</summary><blockquote>

`112-120`: **Critical variables list should be configurable.**

The hardcoded critical variables list reduces flexibility and may need updates as the application evolves, consistent with previous feedback.

</blockquote></details>
<details>
<summary>src/auth-service/config/constants.js (1)</summary><blockquote>

`3-3`: **Import path alias needs runtime resolution configuration.**

The import uses `@utils/validation-reporter` alias which, as noted in previous reviews, lacks runtime resolution configuration and will cause module resolution failures outside tests.

</blockquote></details>

</blockquote></details>

<details>
<summary>🧹 Nitpick comments (1)</summary><blockquote>

<details>
<summary>src/auth-service/utils/validation-reporter.js (1)</summary><blockquote>

`240-281`: **Useful environment status reporting with minor improvement opportunity!**

The methods provide valuable functionality for environment variable analysis. The path-to-env-var conversion is effective, and the actual env status reporting is helpful for debugging.




Consider making the system environment variable filter list configurable:

```diff
class DynamicEnvValidator {
  constructor(environment = process.env.NODE_ENV || "production") {
    this.environment = environment;
    this.reporter = new ValidationReporter(environment);
    this.useConsole = environment === "development";
    this.criticalKeys = ["MONGO_URI", "COMMAND_MONGO_URI", "QUERY_MONGO_URI"];
+   
+   // System environment variables to filter out
+   this.systemEnvVars = ["PATH", "HOME", "USER", "SHELL", "PWD"];
+   this.systemEnvPrefixes = ["npm_", "NODE_"];
  }

  getActualEnvStatus() {
    const envVars = Object.keys(process.env);
    const appEnvVars = envVars.filter(
      (envVar) =>
-       !envVar.startsWith("npm_") &&
-       !envVar.startsWith("NODE_") &&
-       !["PATH", "HOME", "USER", "SHELL", "PWD"].includes(envVar)
+       !this.systemEnvPrefixes.some(prefix => envVar.startsWith(prefix)) &&
+       !this.systemEnvVars.includes(envVar)
    );
```

<details>
<summary>🧰 Tools</summary>

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</blockquote></details>

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<details>
<summary>📥 Commits</summary>

Reviewing files that changed from the base of the PR and between 3d4266092a045a46733bc82dcdb11d16d21dbd3a and edfeff1d9e422f306c5eed5f48b1d8c44cd7c2a8.

</details>

<details>
<summary>📒 Files selected for processing (2)</summary>

* `src/auth-service/config/constants.js` (1 hunks)
* `src/auth-service/utils/validation-reporter.js` (1 hunks)

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<details>
<summary>🧬 Code Graph Analysis (1)</summary>

<details>
<summary>src/auth-service/utils/validation-reporter.js (1)</summary><blockquote>

<details>
<summary>src/auth-service/config/constants.js (3)</summary>

* `require` (3-3)
* `environment` (5-5)
* `config` (8-8)

</details>

</blockquote></details>

</details><details>
<summary>🪛 GitHub Check: codecov/patch</summary>

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Added lines #L272 - L277 were not covered by tests

---

[warning] 280-280: src/auth-service/utils/validation-reporter.js#L280
Added line #L280 was not covered by tests

</details>
<details>
<summary>src/auth-service/config/constants.js</summary>

[warning] 14-15: src/auth-service/config/constants.js#L14-L15
Added lines #L14 - L15 were not covered by tests

</details>

</details>

</details>

<details>
<summary>⏰ Context from checks skipped due to timeout of 90000ms (3)</summary>

* GitHub Check: build-push-deploy-auth-service
* GitHub Check: Analyze (python)
* GitHub Check: Analyze (javascript)

</details>

<details>
<summary>🔇 Additional comments (11)</summary><blockquote>

<details>
<summary>src/auth-service/utils/validation-reporter.js (9)</summary>

`4-22`: **Excellent environment-aware logging implementation!**

The dual logging approach with console.log fallback for development environments is well-designed and aligns perfectly with the PR objectives of supporting development environments where log4js is disabled.

<details>
<summary>🧰 Tools</summary>

<details>
<summary>🪛 GitHub Check: codecov/patch</summary>

[warning] 18-18: src/auth-service/utils/validation-reporter.js#L18
Added line #L18 was not covered by tests

</details>

</details>

---

`24-46`: **Clean minimal reporting implementation!**

The method correctly implements the minimal approach by showing only problematic variables and summary statistics, which aligns with the PR objectives of replacing verbose validation with streamlined output.

---

`48-68`: **User-friendly summary statistics display!**

The clean formatting with emoji indicators and celebration message for zero issues provides excellent developer experience and makes the validation results easy to interpret at a glance.

<details>
<summary>🧰 Tools</summary>

<details>
<summary>🪛 GitHub Check: codecov/patch</summary>

[warning] 62-62: src/auth-service/utils/validation-reporter.js#L62
Added line #L62 was not covered by tests

</details>

</details>

---

`70-109`: **Excellent issue prioritization and actionable guidance!**

The method effectively prioritizes critical issues that could crash the app and provides clear, actionable instructions for developers. The severity-based logging levels enhance the user experience.

<details>
<summary>🧰 Tools</summary>

<details>
<summary>🪛 GitHub Check: codecov/patch</summary>

[warning] 93-94: src/auth-service/utils/validation-reporter.js#L93-L94
Added lines #L93 - L94 were not covered by tests

</details>

</details>

---

`122-139`: **Well-structured validation orchestration!**

The method effectively coordinates validation and reporting while providing enhanced debugging information in development environments. The structured return object provides comprehensive validation results.

<details>
<summary>🧰 Tools</summary>

<details>
<summary>🪛 GitHub Check: codecov/patch</summary>

[warning] 131-131: src/auth-service/utils/validation-reporter.js#L131
Added line #L131 was not covered by tests

</details>

</details>

---

`141-173`: **Valuable debugging feature for development!**

The actual process.env status display with critical issue differentiation provides excellent debugging capability for development environments, helping developers quickly identify and resolve environment variable problems.

<details>
<summary>🧰 Tools</summary>

<details>
<summary>🪛 GitHub Check: codecov/patch</summary>

[warning] 144-145: src/auth-service/utils/validation-reporter.js#L144-L145
Added lines #L144 - L145 were not covered by tests

---

[warning] 152-153: src/auth-service/utils/validation-reporter.js#L152-L153
Added lines #L152 - L153 were not covered by tests

---

[warning] 155-156: src/auth-service/utils/validation-reporter.js#L155-L156
Added lines #L155 - L156 were not covered by tests

---

[warning] 166-166: src/auth-service/utils/validation-reporter.js#L166
Added line #L166 was not covered by tests

---

[warning] 169-171: src/auth-service/utils/validation-reporter.js#L169-L171
Added lines #L169 - L171 were not covered by tests

</details>

</details>

---

`175-192`: **Clean validation orchestration!**

The method provides a clear entry point for the validation process with proper result structure initialization.

---

`194-206`: **Solid recursive configuration traversal!**

The recursive logic correctly handles different object types and builds proper paths for nested properties, enabling comprehensive validation of complex configuration structures.

---

`208-238`: **Comprehensive value validation with proper categorization!**

The method correctly handles different value states (undefined, null, empty strings) and appropriately categorizes issues based on criticality, providing accurate validation results.

<details>
<summary>🧰 Tools</summary>

<details>
<summary>🪛 GitHub Check: codecov/patch</summary>

[warning] 228-228: src/auth-service/utils/validation-reporter.js#L228
Added line #L228 was not covered by tests

---

[warning] 231-231: src/auth-service/utils/validation-reporter.js#L231
Added line #L231 was not covered by tests

---

[warning] 233-233: src/auth-service/utils/validation-reporter.js#L233
Added line #L233 was not covered by tests

</details>

</details>

</details>
<details>
<summary>src/auth-service/config/constants.js (2)</summary>

`7-21`: **Clean integration of environment variable validation!**

The validation integration is well-implemented with appropriate environment-specific handling. The development console log provides good user feedback, and the validation occurs before returning the configuration, ensuring issues are caught early.



The conditional logging for development environments aligns well with the PR objectives of providing enhanced debugging in development while maintaining clean production behavior.

<details>
<summary>🧰 Tools</summary>

<details>
<summary>🪛 GitHub Check: codecov/patch</summary>

[warning] 14-15: src/auth-service/config/constants.js#L14-L15
Added lines #L14 - L15 were not covered by tests

</details>

</details>

---

`14-15`: **Test coverage gap is acceptable for configuration initialization.**

While static analysis flags missing test coverage for the development environment logging, this is acceptable as it's configuration initialization code that's typically harder to test and less critical than business logic.

<details>
<summary>🧰 Tools</summary>

<details>
<summary>🪛 GitHub Check: codecov/patch</summary>

[warning] 14-15: src/auth-service/config/constants.js#L14-L15
Added lines #L14 - L15 were not covered by tests

</details>

</details>

</details>

</blockquote></details>

</details>

<!-- This is an auto-generated comment by CodeRabbit for review status -->
state: COMMENTED
author_association: CONTRIBUTOR
submitted_at: 2025-05-31T11:19:19Z

Review comments:
diff_hunk: @@ -0,0 +1,313 @@
+// utils/validation-reporter.js
+const log4js = require("log4js");
+
+class ValidationReporter {
+  constructor(environment = process.env.NODE_ENV || "production") {
+    this.environment = environment;
+    this.logger = log4js.getLogger(
+      `${environment.toUpperCase()} -- ENVs validation`
+    );
+    this.useConsole = environment === "development";
+  }
+
+  /**
+   * Logs message using console.log in dev or log4js in production
+   */
+  _log(level, message) {
+    if (this.useConsole) {
+      console.log(message);
+    } else {
+      this.logger[level](message);
+    }
+  }
+
+  /**
+   * Generates a minimal validation report - only shows problems
+   */
+  generateMinimalReport(validationResults) {
+    const {
+      missing = [],
+      empty = [],
+      critical = [],
+      valid = [],
+    } = validationResults;
+    const totalIssues = missing.length + empty.length + critical.length;
+    const totalChecked = totalIssues + valid.length;
+
+    // Show summary statistics first
+    this._showSummaryStats(totalChecked, valid.length, totalIssues);
+
+    // Only show tables if there are issues
+    if (totalIssues > 0) {
+      this._showIssuesTable(missing, empty, critical);
+    }
+
+    return { hasIssues: totalIssues > 0, totalIssues };
+  }
+
+  /**
+   * Shows clean summary statistics
+   */
+  _showSummaryStats(total, valid, issues) {
+    this._log("info", "");
+    this._log("info", "📊 ENVIRONMENT VARIABLES SUMMARY");
+    this._log("info", "═".repeat(40));
+    this._log("info", `Environment: ${this.environment.toUpperCase()}`);
+    this._log("info", `Total Checked: ${total}`);
+    this._log("info", `✅ Valid: ${valid}`);
+    this._log("info", `❌ Issues: ${issues}`);
+    this._log("info", "═".repeat(40));
+
+    if (issues === 0) {
+      this._log(
+        "info",
+        "🎉 All environment variables are properly configured!"
+      );
+    }
+    this._log("info", "");
+  }
+
+  /**
+   * Shows only problematic environment variables in a clean table
+   */
+  _showIssuesTable(missing, empty, critical) {
+    this._log("warn", "⚠️  ENVIRONMENT VARIABLES NEEDING ATTENTION");
+    this._log("warn", "─".repeat(50));
+    this._log("warn", "Variable Name                    Issue");
+    this._log("warn", "─".repeat(50));
+
+    // Show critical issues first (these will crash the app)
+    critical.forEach((issue) => {
+      const name = issue.envVar.padEnd(32);
+      this._log("error", `${name} 🚨 CRITICAL - Missing`);
+    });
+
+    // Show missing variables
+    missing.forEach((issue) => {
+      const name = issue.envVar.padEnd(32);
+      this._log("warn", `${name} ❌ Missing`);
+    });
+
+    // Show empty variables
+    empty.forEach((issue) => {
+      const name = issue.envVar.padEnd(32);
+      this._log("warn", `${name} ⚠️  Empty`);
+    });
+
+    this._log("warn", "─".repeat(50));
+    this._log("warn", "");
+
+    // Show quick fix instructions
+    if (critical.length > 0) {
+      this._log(
+        "error",
+        "🚨 CRITICAL: These missing variables will cause app crashes!"
+      );
+      this._log("error", "   Add them to your .env file immediately.");
+      this._log("error", "");
+    }
+  }
+}
+
+// =============================================================================
+// MINIMAL Environment Variable Validator
+// =============================================================================
+
+class MinimalEnvValidator {
+  constructor(environment = process.env.NODE_ENV || "production") {
+    this.environment = environment;
+    this.reporter = new ValidationReporter(environment);
+    this.useConsole = environment === "development";
+  }
+
+  /**
+   * Quick validation with minimal output
+   */
+  validateMinimal(config) {
+    const results = this._performValidation(config);
+    const report = this.reporter.generateMinimalReport(results);
+
+    // Show environment issues table in development
+    if (this.environment === "development" && report.hasIssues) {
+      this._showEnvIssuesOnly();
+    }
+
+    return {
+      isValid: !report.hasIssues,
+      ...results,
+      report,
+    };
+  }
+
+  /**
+   * Shows only problematic environment variables from process.env
+   */
+  _showEnvIssuesOnly() {
+    // Common environment variables - update these to match your actual variable names
+    const commonEnvVars = [
+      "MONGO_URI",
+      "COMMAND_MONGO_URI",
+      "QUERY_MONGO_URI",
+      "REDIS_SERVER",
+      "REDIS_PORT",
+      "KAFKA_BOOTSTRAP_SERVERS",
+      "AUTH_SERVICE_URL",
+      "INTER_SERVICE_TOKEN",
+      "DEFAULT_COHORT",
+      "PARTNERS_EMAILS",
+      "COMMS_EMAILS",
+      "POLICY_EMAILS",
+    ];
+
+    const issues = commonEnvVars.filter((envVar) => {
+      const value = process.env[envVar];
+      return !value || value.trim() === "";
+    });
+
+    if (issues.length > 0) {
+      console.log("\n🔍 PROCESS.ENV ISSUES DETECTED");
+      console.log("─".repeat(35));
+      issues.forEach((envVar) => {
+        const value = process.env[envVar];
+        const status = !value ? "Not Set" : "Empty";
+        console.log(`❌ ${envVar}: ${status}`);
+      });
+      console.log("─".repeat(35));
+      console.log(`Total issues: ${issues.length}`);
+      console.log("");
+    }
+  }
+
+  /**
+   * Performs validation and categorizes results
+   */
+  _performValidation(config) {
+    const missing = [];
+    const empty = [];
+    const valid = [];
+    const critical = [];
+
+    // Critical variables that will crash the app
+    const criticalVars = ["MONGO_URI", "COMMAND_MONGO_URI", "QUERY_MONGO_URI"];
+
+    this._validateConfigObject(config, "", {
+      missing,
+      empty,
+      valid,
+      critical,
+      criticalVars,
+    });
+
+    return { missing, empty, valid, critical };
+  }
path: src/auth-service/utils/validation-reporter.js
user: login: coderabbitai[bot]
body: _🛠️ Refactor suggestion_

**Critical variables list should be configurable.**

Similar to the common environment variables, the critical variables list is hardcoded and may need updates as the application evolves.



Make the critical variables configurable:

```diff
  constructor(environment = process.env.NODE_ENV || "production") {
    this.environment = environment;
    this.reporter = new ValidationReporter(environment);
    this.useConsole = environment === "development";
+   
+   // Critical variables that will crash the app - make configurable
+   this.criticalVars = ["MONGO_URI", "COMMAND_MONGO_URI", "QUERY_MONGO_URI"];
    
    // Common environment variables...
  }
  
  _performValidation(config) {
    const missing = [];
    const empty = [];
    const valid = [];
    const critical = [];

-   // Critical variables that will crash the app
-   const criticalVars = ["MONGO_URI", "COMMAND_MONGO_URI", "QUERY_MONGO_URI"];

    this._validateConfigObject(config, "", {
      missing,
      empty,
      valid,
      critical,
-     criticalVars,
+     criticalVars: this.criticalVars,
    });

    return { missing, empty, valid, critical };
  }
```


<!-- suggestion_start -->

<details>
<summary>📝 Committable suggestion</summary>

> ‼️ **IMPORTANT**
> Carefully review the code before committing. Ensure that it accurately replaces the highlighted code, contains no missing lines, and has no issues with indentation. Thoroughly test & benchmark the code to ensure it meets the requirements.

```suggestion
// In the class constructor
constructor(environment = process.env.NODE_ENV || "production") {
  this.environment = environment;
  this.reporter = new ValidationReporter(environment);
  this.useConsole = environment === "development";

  // Critical variables that will crash the app - make configurable
  this.criticalVars = ["MONGO_URI", "COMMAND_MONGO_URI", "QUERY_MONGO_URI"];

  // Common environment variables...
}

// ...

_performValidation(config) {
  const missing = [];
  const empty = [];
  const valid = [];
  const critical = [];

  this._validateConfigObject(config, "", {
    missing,
    empty,
    valid,
    critical,
    criticalVars: this.criticalVars,
  });

  return { missing, empty, valid, critical };
}
```

</details>

<!-- suggestion_end -->

<details>
<summary>🤖 Prompt for AI Agents</summary>

```
In src/auth-service/utils/validation-reporter.js around lines 184 to 202, the
list of critical variables is hardcoded, which reduces flexibility. Refactor the
code to accept the critical variables list as a configurable parameter or
retrieve it from a configuration source instead of defining it directly in the
method. Update the method signature or class to allow passing or setting this
list externally, and ensure the rest of the validation logic uses this
configurable list.
```

</details>

<!-- This is an auto-generated comment by CodeRabbit -->

✅ Addressed in commit edfeff1
created_at: 2025-05-31T10:50:36Z
author_association: CONTRIBUTOR
diff_hunk: @@ -0,0 +1,313 @@
+// utils/validation-reporter.js
+const log4js = require("log4js");
+
+class ValidationReporter {
+  constructor(environment = process.env.NODE_ENV || "production") {
+    this.environment = environment;
+    this.logger = log4js.getLogger(
+      `${environment.toUpperCase()} -- ENVs validation`
+    );
+    this.useConsole = environment === "development";
+  }
+
+  /**
+   * Logs message using console.log in dev or log4js in production
+   */
+  _log(level, message) {
+    if (this.useConsole) {
+      console.log(message);
+    } else {
+      this.logger[level](message);
+    }
+  }
+
+  /**
+   * Generates a minimal validation report - only shows problems
+   */
+  generateMinimalReport(validationResults) {
+    const {
+      missing = [],
+      empty = [],
+      critical = [],
+      valid = [],
+    } = validationResults;
+    const totalIssues = missing.length + empty.length + critical.length;
+    const totalChecked = totalIssues + valid.length;
+
+    // Show summary statistics first
+    this._showSummaryStats(totalChecked, valid.length, totalIssues);
+
+    // Only show tables if there are issues
+    if (totalIssues > 0) {
+      this._showIssuesTable(missing, empty, critical);
+    }
+
+    return { hasIssues: totalIssues > 0, totalIssues };
+  }
+
+  /**
+   * Shows clean summary statistics
+   */
+  _showSummaryStats(total, valid, issues) {
+    this._log("info", "");
+    this._log("info", "📊 ENVIRONMENT VARIABLES SUMMARY");
+    this._log("info", "═".repeat(40));
+    this._log("info", `Environment: ${this.environment.toUpperCase()}`);
+    this._log("info", `Total Checked: ${total}`);
+    this._log("info", `✅ Valid: ${valid}`);
+    this._log("info", `❌ Issues: ${issues}`);
+    this._log("info", "═".repeat(40));
+
+    if (issues === 0) {
+      this._log(
+        "info",
+        "🎉 All environment variables are properly configured!"
+      );
+    }
+    this._log("info", "");
+  }
+
+  /**
+   * Shows only problematic environment variables in a clean table
+   */
+  _showIssuesTable(missing, empty, critical) {
+    this._log("warn", "⚠️  ENVIRONMENT VARIABLES NEEDING ATTENTION");
+    this._log("warn", "─".repeat(50));
+    this._log("warn", "Variable Name                    Issue");
+    this._log("warn", "─".repeat(50));
+
+    // Show critical issues first (these will crash the app)
+    critical.forEach((issue) => {
+      const name = issue.envVar.padEnd(32);
+      this._log("error", `${name} 🚨 CRITICAL - Missing`);
+    });
+
+    // Show missing variables
+    missing.forEach((issue) => {
+      const name = issue.envVar.padEnd(32);
+      this._log("warn", `${name} ❌ Missing`);
+    });
+
+    // Show empty variables
+    empty.forEach((issue) => {
+      const name = issue.envVar.padEnd(32);
+      this._log("warn", `${name} ⚠️  Empty`);
+    });
+
+    this._log("warn", "─".repeat(50));
+    this._log("warn", "");
+
+    // Show quick fix instructions
+    if (critical.length > 0) {
+      this._log(
+        "error",
+        "🚨 CRITICAL: These missing variables will cause app crashes!"
+      );
+      this._log("error", "   Add them to your .env file immediately.");
+      this._log("error", "");
+    }
+  }
+}
+
+// =============================================================================
+// MINIMAL Environment Variable Validator
+// =============================================================================
+
+class MinimalEnvValidator {
+  constructor(environment = process.env.NODE_ENV || "production") {
+    this.environment = environment;
+    this.reporter = new ValidationReporter(environment);
+    this.useConsole = environment === "development";
+  }
+
+  /**
+   * Quick validation with minimal output
+   */
+  validateMinimal(config) {
+    const results = this._performValidation(config);
+    const report = this.reporter.generateMinimalReport(results);
+
+    // Show environment issues table in development
+    if (this.environment === "development" && report.hasIssues) {
+      this._showEnvIssuesOnly();
+    }
+
+    return {
+      isValid: !report.hasIssues,
+      ...results,
+      report,
+    };
+  }
+
+  /**
+   * Shows only problematic environment variables from process.env
+   */
+  _showEnvIssuesOnly() {
+    // Common environment variables - update these to match your actual variable names
+    const commonEnvVars = [
+      "MONGO_URI",
+      "COMMAND_MONGO_URI",
+      "QUERY_MONGO_URI",
+      "REDIS_SERVER",
+      "REDIS_PORT",
+      "KAFKA_BOOTSTRAP_SERVERS",
+      "AUTH_SERVICE_URL",
+      "INTER_SERVICE_TOKEN",
+      "DEFAULT_COHORT",
+      "PARTNERS_EMAILS",
+      "COMMS_EMAILS",
+      "POLICY_EMAILS",
+    ];
path: src/auth-service/utils/validation-reporter.js
user: login: coderabbitai[bot]
body: _🛠️ Refactor suggestion_

**Consider making common environment variables configurable.**

The hardcoded list of common environment variables is repeated in multiple methods. This creates maintenance overhead and coupling.



Extract the common environment variables to a class property or configuration:

```diff
class MinimalEnvValidator {
  constructor(environment = process.env.NODE_ENV || "production") {
    this.environment = environment;
    this.reporter = new ValidationReporter(environment);
    this.useConsole = environment === "development";
+   
+   // Common environment variables - make this configurable
+   this.commonEnvVars = [
+     "MONGO_URI",
+     "COMMAND_MONGO_URI", 
+     "QUERY_MONGO_URI",
+     "REDIS_SERVER",
+     "REDIS_PORT",
+     "KAFKA_BOOTSTRAP_SERVERS",
+     "AUTH_SERVICE_URL",
+     "INTER_SERVICE_TOKEN",
+     "DEFAULT_COHORT",
+     "PARTNERS_EMAILS",
+     "COMMS_EMAILS", 
+     "POLICY_EMAILS",
+   ];
  }
```

Then reference `this.commonEnvVars` in both `_showEnvIssuesOnly` and `quickSummary` methods.


<!-- suggestion_start -->

<details>
<summary>📝 Committable suggestion</summary>

> ‼️ **IMPORTANT**
> Carefully review the code before committing. Ensure that it accurately replaces the highlighted code, contains no missing lines, and has no issues with indentation. Thoroughly test & benchmark the code to ensure it meets the requirements.

```suggestion
class MinimalEnvValidator {
  constructor(environment = process.env.NODE_ENV || "production") {
    this.environment = environment;
    this.reporter = new ValidationReporter(environment);
    this.useConsole = environment === "development";

    // Common environment variables - make this configurable
    this.commonEnvVars = [
      "MONGO_URI",
      "COMMAND_MONGO_URI",
      "QUERY_MONGO_URI",
      "REDIS_SERVER",
      "REDIS_PORT",
      "KAFKA_BOOTSTRAP_SERVERS",
      "AUTH_SERVICE_URL",
      "INTER_SERVICE_TOKEN",
      "DEFAULT_COHORT",
      "PARTNERS_EMAILS",
      "COMMS_EMAILS",
      "POLICY_EMAILS",
    ];
  }

  // ...rest of the class...
}
```

</details>

<!-- suggestion_end -->

<details>
<summary>🤖 Prompt for AI Agents</summary>

```
In src/auth-service/utils/validation-reporter.js around lines 147 to 160, the
list of common environment variables is hardcoded and duplicated across multiple
methods, causing maintenance overhead. To fix this, extract the array of common
environment variables into a class property or a configuration object within the
class, then update the _showEnvIssuesOnly and quickSummary methods to reference
this property instead of their own hardcoded lists. This centralizes the
environment variable list and reduces duplication.
```

</details>

<!-- This is an auto-generated comment by CodeRabbit -->

✅ Addressed in commit edfeff1
created_at: 2025-05-31T10:50:36Z
author_association: CONTRIBUTOR
diff_hunk: @@ -1,8 +1,23 @@
 const environments = require("./environments");
 const global = require("./global");
+const { MinimalEnvValidator } = require("@utils/validation-reporter");
path: src/auth-service/config/constants.js
user: login: coderabbitai[bot]
body: _💡 Verification agent_

<details>
<summary>🧩 Analysis chain</summary>

**Import path uses alias - verify it's configured correctly.**

The import uses `@utils/validation-reporter` which appears to be a path alias. Ensure this alias is properly configured in your build system or Node.js module resolution.

---

🏁 Script executed:

```shell
#!/bin/bash
# Verify the path alias configuration and module resolution
echo "Checking for path alias configuration..."

# Check for babel config
find . -name ".babelrc*" -o -name "babel.config.*" | head -5 | xargs cat 2>/dev/null || echo "No Babel config found"

# Check for webpack config  
find . -name "webpack*.js" -o -name "webpack*.config.*" | head -5 | xargs cat 2>/dev/null || echo "No Webpack config found"

# Check for TypeScript config
find . -name "tsconfig*.json" | head -5 | xargs cat 2>/dev/null || echo "No TypeScript config found"

# Check for Jest config
find . -name "jest.config.*" -o -name "package.json" | xargs grep -l "moduleNameMapper\|@utils" 2>/dev/null || echo "No Jest module mapping found"

# Check if the actual file exists at the expected location
ls -la "src/auth-service/utils/validation-reporter.js" 2>/dev/null || echo "Module not found at expected location"
```

Length of output: 740

---



</details>

**Configure `@utils/validation-reporter` alias for runtime resolution**

We couldn’t find any Babel, Webpack or TypeScript path‐mapping that would let Node resolve `@utils/validation-reporter` at runtime—only Jest’s `moduleNameMapper` is configured. The file itself lives at `src/auth-service/utils/validation-reporter.js`, so importing via `@utils/...` will fail outside of tests.  

• No `.babelrc*` or `babel.config.*` present for a plugin-resolver setup  
• No `webpack.config.*` defining `resolve.alias` for `@utils`  
• No `tsconfig*.json` with `paths` mapping  
• Jest mappings exist in `src/auth-service/package.json`, but they only apply to your test suite  

Recommended fixes:  
- Switch to a relative import (`require('../utils/validation-reporter')`), or  
- Add a runtime alias (e.g. add `_moduleAliases` in your root/package JSON + use `module-alias/register`, or introduce a Babel/Webpack plugin or tsconfig paths) so `@utils/validation-reporter` can resolve in production.

<details>
<summary>🤖 Prompt for AI Agents</summary>

```
In src/auth-service/config/constants.js at line 3, the import uses the alias
'@utils/validation-reporter' which is not configured for runtime resolution,
causing module resolution failures outside tests. Fix this by replacing the
alias import with a relative path import like
require('../utils/validation-reporter'), or alternatively configure a runtime
alias using a package like 'module-alias' or add path mappings in Babel,
Webpack, or tsconfig so that '@utils/validation-reporter' resolves correctly in
production.
```

</details>

<!-- This is an auto-generated comment by CodeRabbit -->

✅ Addressed in commit edfeff1
created_at: 2025-05-31T10:50:36Z
author_association: CONTRIBUTOR
diff_hunk: @@ -0,0 +1,284 @@
+// utils/validation-reporter.js
+const log4js = require("log4js");
+
+class ValidationReporter {
+  constructor(environment = process.env.NODE_ENV || "production") {
+    this.environment = environment;
+    this.logger = log4js.getLogger(
+      `${environment.toUpperCase()} -- ENVs validation`
+    );
+    this.useConsole = environment === "development";
+  }
+
+  /**
+   * Logs message using console.log in dev or log4js in production
+   */
+  _log(level, message) {
+    if (this.useConsole) {
+      console.log(message);
+    } else {
+      this.logger[level](message);
+    }
+  }
+
+  /**
+   * Generates a minimal validation report - only shows problems
+   */
+  generateMinimalReport(validationResults) {
+    const {
+      missing = [],
+      empty = [],
+      critical = [],
+      valid = [],
+    } = validationResults;
+    const totalIssues = missing.length + empty.length + critical.length;
+    const totalChecked = totalIssues + valid.length;
+
+    // Show summary statistics first
+    this._showSummaryStats(totalChecked, valid.length, totalIssues);
+
+    // Only show tables if there are issues
+    if (totalIssues > 0) {
+      this._showIssuesTable(missing, empty, critical);
+    }
+
+    return { hasIssues: totalIssues > 0, totalIssues };
+  }
+
+  /**
+   * Shows clean summary statistics
+   */
+  _showSummaryStats(total, valid, issues) {
+    this._log("info", "");
+    this._log("info", "📊 ENVIRONMENT VARIABLES SUMMARY");
+    this._log("info", "═".repeat(40));
+    this._log("info", `Environment: ${this.environment.toUpperCase()}`);
+    this._log("info", `Total Checked: ${total}`);
+    this._log("info", `✅ Valid: ${valid}`);
+    this._log("info", `❌ Issues: ${issues}`);
+    this._log("info", "═".repeat(40));
+
+    if (issues === 0) {
+      this._log(
+        "info",
+        "🎉 All environment variables are properly configured!"
+      );
+    }
+    this._log("info", "");
+  }
+
+  /**
+   * Shows only problematic environment variables in a clean table
+   */
+  _showIssuesTable(missing, empty, critical) {
+    this._log("warn", "⚠️  ENVIRONMENT VARIABLES NEEDING ATTENTION");
+    this._log("warn", "─".repeat(50));
+    this._log("warn", "Variable Name                    Issue");
+    this._log("warn", "─".repeat(50));
+
+    // Show critical issues first (these will crash the app)
+    critical.forEach((issue) => {
+      const name = issue.envVar.padEnd(32);
+      this._log("error", `${name} 🚨 CRITICAL - Missing`);
+    });
+
+    // Show missing variables
+    missing.forEach((issue) => {
+      const name = issue.envVar.padEnd(32);
+      this._log("warn", `${name} ❌ Missing`);
+    });
+
+    // Show empty variables
+    empty.forEach((issue) => {
+      const name = issue.envVar.padEnd(32);
+      this._log("warn", `${name} ⚠️  Empty`);
+    });
+
+    this._log("warn", "─".repeat(50));
+    this._log("warn", "");
+
+    // Show quick fix instructions
+    if (critical.length > 0) {
+      this._log(
+        "error",
+        "🚨 CRITICAL: These missing variables will cause app crashes!"
+      );
+      this._log("error", "   Add them to your .env file immediately.");
+      this._log("error", "");
+    }
+  }
+}
+
+class DynamicEnvValidator {
+  constructor(environment = process.env.NODE_ENV || "production") {
+    this.environment = environment;
+    this.reporter = new ValidationReporter(environment);
+    this.useConsole = environment === "development";
+
+    // Critical config keys that will crash the app if missing
+    this.criticalKeys = ["MONGO_URI", "COMMAND_MONGO_URI", "QUERY_MONGO_URI"];
+  }
+
+  /**
+   * Dynamic validation - checks actual config vs actual environment variables
+   */
+  validateMinimal(config) {
+    const results = this._performValidation(config);
+    const report = this.reporter.generateMinimalReport(results);
+
+    // Show process.env issues in development
+    if (this.environment === "development" && report.hasIssues) {
+      this._showActualEnvIssues(results);
+    }
+
+    return {
+      isValid: !report.hasIssues,
+      ...results,
+      report,
+    };
+  }
+
+  /**
+   * Shows actual process.env issues for problematic variables only
+   */
+  _showActualEnvIssues(results) {
+    const allIssues = [
+      ...results.missing,
+      ...results.empty,
+      ...results.critical,
+    ];
+
+    if (allIssues.length > 0) {
+      console.log("\n🔍 ACTUAL PROCESS.ENV ISSUES");
+      console.log("─".repeat(35));
+
+      allIssues.forEach((issue) => {
+        const value = process.env[issue.envVar];
+        const status = !value
+          ? "Not Set"
+          : value.trim() === ""
+          ? "Empty"
+          : "Invalid";
+        const icon =
+          issue.configKey && this.criticalKeys.includes(issue.configKey)
+            ? "🚨"
+            : "❌";
+        console.log(`${icon} ${issue.envVar}: ${status}`);
+      });
+
+      console.log("─".repeat(35));
+      console.log(`Total actual env issues: ${allIssues.length}`);
+      console.log("");
+    }
+  }
+
+  /**
+   * Performs validation by walking the actual config structure
+   */
+  _performValidation(config) {
+    const missing = [];
+    const empty = [];
+    const valid = [];
+    const critical = [];
+
+    this._validateConfigObject(config, "", {
+      missing,
+      empty,
+      valid,
+      critical,
+    });
+
+    return { missing, empty, valid, critical };
+  }
+
+  /**
+   * Recursively validates configuration object
+   */
+  _validateConfigObject(obj, path, results) {
+    if (typeof obj !== "object" || obj === null || Array.isArray(obj)) {
+      return this._validateValue(path, obj, results);
+    }
+
+    Object.entries(obj).forEach(([key, value]) => {
+      const currentPath = path ? `${path}.${key}` : key;
+      this._validateConfigObject(value, currentPath, results);
+    });
+  }
+
+  /**
+   * Validates individual values against actual environment variables
+   */
+  _validateValue(path, value, results) {
+    if (!path) return; // Skip root level
+
+    const { missing, empty, valid, critical } = results;
+    const envVar = this._guessEnvVarName(path);
+    const isCritical = this.criticalKeys.includes(path);
+    const actualEnvValue = process.env[envVar];
+
+    if (value === undefined || value === null) {
+      const issue = { configKey: path, envVar };
+
+      if (isCritical) {
+        critical.push(issue);
+      } else {
+        missing.push(issue);
+      }
+    } else if (typeof value === "string" && value.trim() === "") {
+      const issue = { configKey: path, envVar };
+
+      if (isCritical) {
+        critical.push(issue);
+      } else {
+        empty.push(issue);
+      }
+    } else {
+      valid.push({ configKey: path, envVar });
+    }
+  }
+
+  /**
+   * Converts config path to environment variable name
+   */
+  _guessEnvVarName(configPath) {
+    return configPath.replace(/\./g, "_").toUpperCase();
+  }
+
+  /**
+   * Gets actual environment variable status from process.env
+   */
+  getActualEnvStatus() {
+    const envVars = Object.keys(process.env);
+    const appEnvVars = envVars.filter(
+      (envVar) =>
+        !envVar.startsWith("npm_") &&
+        !envVar.startsWith("NODE_") &&
+        !["PATH", "HOME", "USER", "SHELL", "PWD"].includes(envVar)
+    );
+
+    let valid = 0,
+      empty = 0;
+
+    appEnvVars.forEach((envVar) => {
+      const value = process.env[envVar];
+      if (value && value.trim() !== "") {
+        valid++;
+      } else {
+        empty++;
+      }
+    });
+
+    if (this.useConsole) {
+      console.log("\n📈 ACTUAL ENV STATUS");
+      console.log("═".repeat(25));
+      console.log(`App Env Vars: ${appEnvVars.length}`);
+      console.log(`Valid: ${valid} | Empty: ${empty}`);
+      console.log("═".repeat(25));
+      console.log("");
+    }
+
+    return { total: appEnvVars.length, valid, empty };
+  }
+}
+
+module.exports = { DynamicEnvValidator, ValidationReporter };
path: src/auth-service/utils/validation-reporter.js
user: login: coderabbitai[bot]
body: _🛠️ Refactor suggestion_

**Consider adding unit tests for critical validation logic.**

While the static analysis flags missing test coverage for console output and some conditional branches, focus on testing the core validation logic to ensure reliability.



Priority areas for testing:
- `_performValidation` and `_validateValue` methods (core validation logic)
- `_validateConfigObject` recursive traversal 
- Critical vs non-critical issue categorization
- Environment variable name conversion (`_guessEnvVarName`)

Console output and environment-specific logging can have lower test coverage priority since they're primarily for developer experience rather than business logic.

<details>
<summary>🧰 Tools</summary>

<details>
<summary>🪛 GitHub Check: codecov/patch</summary>

[warning] 18-18: src/auth-service/utils/validation-reporter.js#L18
Added line #L18 was not covered by tests

---

[warning] 62-62: src/auth-service/utils/validation-reporter.js#L62
Added line #L62 was not covered by tests

---

[warning] 93-94: src/auth-service/utils/validation-reporter.js#L93-L94
Added lines #L93 - L94 were not covered by tests

---

[warning] 131-131: src/auth-service/utils/validation-reporter.js#L131
Added line #L131 was not covered by tests

---

[warning] 144-145: src/auth-service/utils/validation-reporter.js#L144-L145
Added lines #L144 - L145 were not covered by tests

---

[warning] 152-153: src/auth-service/utils/validation-reporter.js#L152-L153
Added lines #L152 - L153 were not covered by tests

---

[warning] 155-156: src/auth-service/utils/validation-reporter.js#L155-L156
Added lines #L155 - L156 were not covered by tests

---

[warning] 166-166: src/auth-service/utils/validation-reporter.js#L166
Added line #L166 was not covered by tests

---

[warning] 169-171: src/auth-service/utils/validation-reporter.js#L169-L171
Added lines #L169 - L171 were not covered by tests

---

[warning] 228-228: src/auth-service/utils/validation-reporter.js#L228
Added line #L228 was not covered by tests

---

[warning] 231-231: src/auth-service/utils/validation-reporter.js#L231
Added line #L231 was not covered by tests

---

[warning] 233-233: src/auth-service/utils/validation-reporter.js#L233
Added line #L233 was not covered by tests

---

[warning] 250-253: src/auth-service/utils/validation-reporter.js#L250-L253
Added lines #L250 - L253 were not covered by tests

---

[warning] 259-260: src/auth-service/utils/validation-reporter.js#L259-L260
Added lines #L259 - L260 were not covered by tests

---

[warning] 262-263: src/auth-service/utils/validation-reporter.js#L262-L263
Added lines #L262 - L263 were not covered by tests

---

[warning] 265-265: src/auth-service/utils/validation-reporter.js#L265
Added line #L265 was not covered by tests

---

[warning] 267-267: src/auth-service/utils/validation-reporter.js#L267
Added line #L267 was not covered by tests

---

[warning] 272-277: src/auth-service/utils/validation-reporter.js#L272-L277
Added lines #L272 - L277 were not covered by tests

---

[warning] 280-280: src/auth-service/utils/validation-reporter.js#L280
Added line #L280 was not covered by tests

</details>

</details>

<details>
<summary>🤖 Prompt for AI Agents</summary>

```
In src/auth-service/utils/validation-reporter.js from lines 1 to 284, add unit
tests targeting the core validation logic to improve test coverage and
reliability. Focus on testing the _performValidation and _validateValue methods
to verify correct identification of missing, empty, valid, and critical
environment variables. Include tests for the recursive traversal in
_validateConfigObject to ensure nested config objects are properly validated.
Also, test the _guessEnvVarName method to confirm accurate conversion of config
paths to environment variable names. Prioritize these over console output and
logging-related code.
```

</details>

<!-- This is an auto-generated comment by CodeRabbit -->
created_at: 2025-05-31T11:19:17Z
author_association: CONTRIBUTOR

PR comments:
user: login: coderabbitai[bot]
created_at: 2025-05-31T10:46:41Z
body: <!-- This is an auto-generated comment: summarize by coderabbit.ai -->
<!-- walkthrough_start -->

<details>
<summary>📝 Walkthrough</summary>

## Walkthrough

A new utility module for environment variable validation and reporting was introduced, featuring two classes: `ValidationReporter` and `DynamicEnvValidator`. The environment configuration logic now integrates this validator to check and report on environment variables before returning the configuration, with additional logging in development environments.

## Changes

| File(s)                                           | Change Summary                                                                                                   |
|--------------------------------------------------|-----------------------------------------------------------------------------------------------------------------|
| src/auth-service/config/constants.js              | Integrated `DynamicEnvValidator` for validating environment configs; added conditional logging for development.  |
| src/auth-service/utils/validation-reporter.js     | Added new module defining `ValidationReporter` and `DynamicEnvValidator` classes for environment variable validation and reporting. |

## Sequence Diagram(s)

```mermaid
sequenceDiagram
    participant App
    participant Constants as constants.js
    participant Validator as DynamicEnvValidator
    participant Reporter as ValidationReporter

    App->>Constants: Load configuration (envConfig)
    Constants->>Validator: Instantiate with environment
    Constants->>Validator: validateMinimal(config)
    Validator->>Reporter: Generate validation report
    Validator-->>Constants: Return validated config
    Constants-->>App: Return validated config
```

## Poem

> 🌱 In configs' garden, fresh and bright,  
> A guardian wakes to check the light.  
> Dynamic checks with wisdom keen,  
> Reveal the gaps once left unseen.  
> Logs and reports, a guiding star,  
> Ensuring safe code near and far.  
> 🚀✨

</details>

<!-- walkthrough_end -->

<!-- This is an auto-generated comment: resource warnings by coderabbit.ai -->

> [!WARNING]
> ## Review ran into problems
> 
> <details>
> <summary>🔥 Problems</summary>
> 
> Errors were encountered while retrieving linked issues.
> 
> <details>
> <summary>Errors (1)</summary>
> 
> * JIRA integration encountered authorization issues. Please disconnect and reconnect the integration in the CodeRabbit UI.
> 
> </details>
> 
> </details>

<!-- end of auto-generated comment: resource warnings by coderabbit.ai -->
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<!-- tips_end -->
author_association: CONTRIBUTOR
user: login: codecov[bot]
created_at: 2025-05-31T10:47:19Z
body: ## [Codecov](https://app.codecov.io/gh/airqo-platform/AirQo-api/pull/4825?dropdown=coverage&src=pr&el=h1&utm_medium=referral&utm_source=github&utm_content=comment&utm_campaign=pr+comments&utm_term=airqo-platform) Report
Attention: Patch coverage is `61.48148%` with `52 lines` in your changes missing coverage. Please review.
> Project coverage is 11.37%. Comparing base [(`5f26f87`)](https://app.codecov.io/gh/airqo-platform/AirQo-api/commit/5f26f87cdd24f6e326d08f13ddde33645064a236?dropdown=coverage&el=desc&utm_medium=referral&utm_source=github&utm_content=comment&utm_campaign=pr+comments&utm_term=airqo-platform) to head [(`edfeff1`)](https://app.codecov.io/gh/airqo-platform/AirQo-api/commit/edfeff1d9e422f306c5eed5f48b1d8c44cd7c2a8?dropdown=coverage&el=desc&utm_medium=referral&utm_source=github&utm_content=comment&utm_campaign=pr+comments&utm_term=airqo-platform).
> Report is 7 commits behind head on staging.

| [Files with missing lines](https://app.codecov.io/gh/airqo-platform/AirQo-api/pull/4825?dropdown=coverage&src=pr&el=tree&utm_medium=referral&utm_source=github&utm_content=comment&utm_campaign=pr+comments&utm_term=airqo-platform) | Patch % | Lines |
|---|---|---|
| [src/auth-service/utils/validation-reporter.js](https://app.codecov.io/gh/airqo-platform/AirQo-api/pull/4825?src=pr&el=tree&filepath=src%2Fauth-service%2Futils%2Fvalidation-reporter.js&utm_medium=referral&utm_source=github&utm_content=comment&utm_campaign=pr+comments&utm_term=airqo-platform#diff-c3JjL2F1dGgtc2VydmljZS91dGlscy92YWxpZGF0aW9uLXJlcG9ydGVyLmpz) | 61.11% | [42 Missing and 7 partials :warning: ](https://app.codecov.io/gh/airqo-platform/AirQo-api/pull/4825?src=pr&el=tree&utm_medium=referral&utm_source=github&utm_content=comment&utm_campaign=pr+comments&utm_term=airqo-platform) |
| [src/auth-service/config/constants.js](https://app.codecov.io/gh/airqo-platform/AirQo-api/pull/4825?src=pr&el=tree&filepath=src%2Fauth-service%2Fconfig%2Fconstants.js&utm_medium=referral&utm_source=github&utm_content=comment&utm_campaign=pr+comments&utm_term=airqo-platform#diff-c3JjL2F1dGgtc2VydmljZS9jb25maWcvY29uc3RhbnRzLmpz) | 66.66% | [2 Missing and 1 partial :warning: ](https://app.codecov.io/gh/airqo-platform/AirQo-api/pull/4825?src=pr&el=tree&utm_medium=referral&utm_source=github&utm_content=comment&utm_campaign=pr+comments&utm_term=airqo-platform) |

<details><summary>Additional details and impacted files</summary>


[![Impacted file tree graph](https://app.codecov.io/gh/airqo-platform/AirQo-api/pull/4825/graphs/tree.svg?width=650&height=150&src=pr&token=HHq3qS3cL6&utm_medium=referral&utm_source=github&utm_content=comment&utm_campaign=pr+comments&utm_term=airqo-platform)](https://app.codecov.io/gh/airqo-platform/AirQo-api/pull/4825?src=pr&el=tree&utm_medium=referral&utm_source=github&utm_content=comment&utm_campaign=pr+comments&utm_term=airqo-platform)

```diff
@@             Coverage Diff             @@
##           staging    #4825      +/-   ##
===========================================
+ Coverage    11.09%   11.37%   +0.28%     
===========================================
  Files          183      184       +1     
  Lines        23335    23468     +133     
  Branches       937      956      +19     
===========================================
+ Hits          2589     2670      +81     
- Misses       20739    20783      +44     
- Partials         7       15       +8     
```

| [Files with missing lines](https://app.codecov.io/gh/airqo-platform/AirQo-api/pull/4825?dropdown=coverage&src=pr&el=tree&utm_medium=referral&utm_source=github&utm_content=comment&utm_campaign=pr+comments&utm_term=airqo-platform) | Coverage Δ | |
|---|---|---|
| [src/auth-service/config/constants.js](https://app.codecov.io/gh/airqo-platform/AirQo-api/pull/4825?src=pr&el=tree&filepath=src%2Fauth-service%2Fconfig%2Fconstants.js&utm_medium=referral&utm_source=github&utm_content=comment&utm_campaign=pr+comments&utm_term=airqo-platform#diff-c3JjL2F1dGgtc2VydmljZS9jb25maWcvY29uc3RhbnRzLmpz) | `76.92% <66.66%> (-23.08%)` | :arrow_down: |
| [src/auth-service/utils/validation-reporter.js](https://app.codecov.io/gh/airqo-platform/AirQo-api/pull/4825?src=pr&el=tree&filepath=src%2Fauth-service%2Futils%2Fvalidation-reporter.js&utm_medium=referral&utm_source=github&utm_content=comment&utm_campaign=pr+comments&utm_term=airqo-platform#diff-c3JjL2F1dGgtc2VydmljZS91dGlscy92YWxpZGF0aW9uLXJlcG9ydGVyLmpz) | `61.11% <61.11%> (ø)` | |

</details>
<details><summary> :rocket: New features to boost your workflow: </summary>

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</details>
author_association: NONE
user: login: github-actions[bot]
created_at: 2025-05-31T10:48:52Z
body: Auth-service changes in this PR available for preview [here](https://minimal-env-validation-auth-service-preview-w7kzhvlewq-ew.a.run.app)
author_association: CONTRIBUTOR
user: login: github-actions[bot]
created_at: 2025-05-31T11:18:11Z
body: Auth-service changes in this PR available for preview [here](https://minimal-env-validation-auth-service-preview-w7kzhvlewq-ew.a.run.app)
author_association: CONTRIBUTOR