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/**

 * Debug utility for consistent logging across the application

 */

// Default to enabling logs in development, disabling in production
const isDevelopment = process.env.NODE_ENV === 'development';

// Debug configuration - can be modified at runtime
export const debugConfig = {
  // Master switch to enable/disable all logs
  enabled: isDevelopment,
  
  // Enable/disable logs by category
  categories: {
    api: true,       // API calls and responses
    data: true,      // Data transformations and state
    ui: true,        // UI interactions and events
    perf: false,     // Performance measurements
    auth: true,      // Authentication related
    system: true,    // System level operations
  }
};

// Log levels
export enum LogLevel {
  DEBUG = 'debug',
  INFO = 'info',
  WARN = 'warn',
  ERROR = 'error'
}

/**

 * Log a message if debugging is enabled

 * 

 * @param category - The category this log belongs to

 * @param message - The message to log

 * @param data - Optional data to include with the log

 * @param level - Log level (default: INFO)

 */
export function log(

  category: keyof typeof debugConfig.categories, 

  message: string, 

  data?: any, 

  level: LogLevel = LogLevel.INFO

): void {
  // Skip logging if master switch is off or category is disabled
  if (!debugConfig.enabled || !debugConfig.categories[category]) {
    return;
  }

  const prefix = `[${category.toUpperCase()}]`;
  
  switch (level) {
    case LogLevel.DEBUG:
      console.debug(prefix, message, data !== undefined ? data : '');
      break;
    case LogLevel.INFO:
      console.log(prefix, message, data !== undefined ? data : '');
      break;
    case LogLevel.WARN:
      console.warn(prefix, message, data !== undefined ? data : '');
      break;
    case LogLevel.ERROR:
      console.error(prefix, message, data !== undefined ? data : '');
      break;
  }
}

// Convenience methods for different log levels
export const debug = {
  api: (message: string, data?: any) => log('api', message, data, LogLevel.DEBUG),
  data: (message: string, data?: any) => log('data', message, data, LogLevel.DEBUG),
  ui: (message: string, data?: any) => log('ui', message, data, LogLevel.DEBUG),
  perf: (message: string, data?: any) => log('perf', message, data, LogLevel.DEBUG),
  auth: (message: string, data?: any) => log('auth', message, data, LogLevel.DEBUG),
  system: (message: string, data?: any) => log('system', message, data, LogLevel.DEBUG),
};

export const info = {
  api: (message: string, data?: any) => log('api', message, data, LogLevel.INFO),
  data: (message: string, data?: any) => log('data', message, data, LogLevel.INFO),
  ui: (message: string, data?: any) => log('ui', message, data, LogLevel.INFO),
  perf: (message: string, data?: any) => log('perf', message, data, LogLevel.INFO),
  auth: (message: string, data?: any) => log('auth', message, data, LogLevel.INFO),
  system: (message: string, data?: any) => log('system', message, data, LogLevel.INFO),
};

export const warn = {
  api: (message: string, data?: any) => log('api', message, data, LogLevel.WARN),
  data: (message: string, data?: any) => log('data', message, data, LogLevel.WARN),
  ui: (message: string, data?: any) => log('ui', message, data, LogLevel.WARN),
  perf: (message: string, data?: any) => log('perf', message, data, LogLevel.WARN),
  auth: (message: string, data?: any) => log('auth', message, data, LogLevel.WARN),
  system: (message: string, data?: any) => log('system', message, data, LogLevel.WARN),
};

export const error = {
  api: (message: string, data?: any) => log('api', message, data, LogLevel.ERROR),
  data: (message: string, data?: any) => log('data', message, data, LogLevel.ERROR),
  ui: (message: string, data?: any) => log('ui', message, data, LogLevel.ERROR),
  perf: (message: string, data?: any) => log('perf', message, data, LogLevel.ERROR),
  auth: (message: string, data?: any) => log('auth', message, data, LogLevel.ERROR),
  system: (message: string, data?: any) => log('system', message, data, LogLevel.ERROR),
};

export default {
  debugConfig,
  log,
  debug,
  info,
  warn,
  error,
  LogLevel
};