in send_email_patients folder, there two files php, index.php  (<?php
// send_email_patients/index.php

// Include the header and database connection
include 'includes/header.php';
require '../db_connect.php';

// Fetch all patients with relevant details
$sql = "SELECT id, name, email, phone, age, gender, address, status FROM patients ORDER BY id ASC";
$stmt = $pdo->prepare($sql);
$stmt->execute();
$patients = $stmt->fetchAll();
?>

<div class="card">
    <div class="card-header">
        <h2>Send Emails to Patients</h2>
    </div>
    <div class="card-body">
        <?php
        // Display success or error messages from URL parameters
        if (isset($_GET['message']) && isset($_GET['type'])) {
            $message = htmlspecialchars($_GET['message']);
            $type = htmlspecialchars($_GET['type']);
            echo "<div class='message {$type}'>{$message}</div>";
        }
        ?>
        <table class="table">
            <thead>
                <tr>
                    <th>Patient ID</th>
                    <th>Name</th>
                    <th>Email</th>
                    <th>Phone</th>
                    <th>Age</th>
                    <th>Gender</th>
                    <th>Address</th>
                    <th>Status</th>
                    <th>Action</th>
                </tr>
            </thead>
            <tbody>
                <?php if ($patients): ?>
                    <?php foreach ($patients as $patient): ?>
                        <tr>
                            <td><?= htmlspecialchars($patient['id']) ?></td>
                            <td><?= htmlspecialchars($patient['name']) ?></td>
                            <td><?= htmlspecialchars($patient['email']) ?></td>
                            <td><?= htmlspecialchars($patient['phone']) ?></td>
                            <td><?= htmlspecialchars($patient['age']) ?></td>
                            <td><?= htmlspecialchars($patient['gender']) ?></td>
                            <td><?= htmlspecialchars($patient['address']) ?></td>
                            <td><?= htmlspecialchars($patient['status']) ?></td>
                            <td>
                                <a href="send_email_patient.php?id=<?= htmlspecialchars($patient['id']) ?>" class="btn-primary">Send Email</a>
                            </td>
                        </tr>
                    <?php endforeach; ?>
                <?php else: ?>
                    <tr>
                        <td colspan="9">No patients found.</td>
                    </tr>
                <?php endif; ?>
            </tbody>
        </table>
    </div>
</div>

<?php
// Include the footer
include 'includes/footer.php';
?>) and send_email_patient.php(<?php
// send_email_patients/send_email_patient.php

// Include the header and database connection
include '../includes/header.php';
require '../db_connect.php';

// Enable error reporting for debugging (disable in production)
ini_set('display_errors', 1);
error_reporting(E_ALL);

// Include PHPMailer classes
use PHPMailer\PHPMailer\PHPMailer;
use PHPMailer\PHPMailer\Exception;

// Autoload Composer dependencies
require '../vendor/autoload.php';

// Initialize variables
$patient = null;
$error = '';
$success = '';

// Handle GET request to display the form
if ($_SERVER['REQUEST_METHOD'] === 'GET' && isset($_GET['id'])) {
    $patient_id = intval($_GET['id']);

    // Fetch patient details
    $sql = "SELECT id, name, email FROM patients WHERE id = ?";
    $stmt = $pdo->prepare($sql);
    $stmt->execute([$patient_id]);
    $patient = $stmt->fetch();

    if (!$patient) {
        $error = "Patient not found.";
    }
}

// Handle POST request to send the email
if ($_SERVER['REQUEST_METHOD'] === 'POST') {
    // Retrieve and sanitize POST data
    $patient_id = intval($_POST['patient_id']);
    $subject = trim($_POST['subject']);
    $message = trim($_POST['message']);

    // Basic validation
    if (empty($subject) || empty($message)) {
        $error = "Subject and message are required.";
    } else {
        // Fetch patient details
        $sql = "SELECT id, name, email FROM patients WHERE id = ?";
        $stmt = $pdo->prepare($sql);
        $stmt->execute([$patient_id]);
        $patient = $stmt->fetch();

        if ($patient && filter_var($patient['email'], FILTER_VALIDATE_EMAIL)) {
            // Create a new PHPMailer instance
            $mail = new PHPMailer(true);

            try {
                // Server settings
                $mail->isSMTP();
                $mail->Host       = 'smtp.hostinger.com';           // Replace with your SMTP server
                $mail->SMTPAuth   = true;
                $mail->Username   = 'info@longevacare.com';         // SMTP username
                $mail->Password   = 'password';           // SMTP password
                // Choose encryption based on your SMTP port
                if ($mail->Port === 465) {
                    $mail->SMTPSecure = PHPMailer::ENCRYPTION_SMTPS; // For port 465
                } else {
                    $mail->SMTPSecure = PHPMailer::ENCRYPTION_STARTTLS; // For port 587
                }
                $mail->Port       = 465;                             // TCP port to connect to (465 for SMTPS, 587 for STARTTLS)

                // Recipients
                $mail->setFrom('info@longevacare.com', 'Longevacare Admin'); // Sender's email and name
                $mail->addAddress($patient['email'], $patient['name']);        // Recipient's email and name

                // Content
                $mail->isHTML(true);                                       // Set email format to HTML

                $mail->Subject = $subject;
                $mail->Body    = $message;                                 // HTML message
                $mail->AltBody = strip_tags($message);                     // Plain-text fallback for non-HTML clients

                // Send the email
                $mail->send();
                $success = "Email successfully sent to <strong>{$patient['name']}</strong> ({$patient['email']}).";
            } catch (Exception $e) {
                $error = "Message could not be sent. Mailer Error: {$mail->ErrorInfo}";
            }
        } else {
            $error = "Invalid patient email.";
        }
    }
}
?>

<div class="card">
    <div class="card-header">
        <h2>Send Email to Patient</h2>
    </div>
    <div class="card-body">
        <!-- Display Error Message -->
        <?php if ($error): ?>
            <div class="message error"><?= htmlspecialchars($error) ?></div>
        <?php endif; ?>

        <!-- Display Success Message -->
        <?php if ($success): ?>
            <div class="message success"><?= $success ?></div>
            <a href="index.php" class="btn-secondary">Back to Patient List</a>
        <?php endif; ?>

        <!-- Display Email Form if Patient Exists and Email Not Sent Yet -->
        <?php if ($patient && !$success): ?>
            <h3>Sending Email to: <strong><?= htmlspecialchars($patient['name']) ?></strong> (<?= htmlspecialchars($patient['email']) ?>)</h3>
            <form action="send_email_patient.php" method="POST">
                <!-- Hidden Field to Store Patient ID -->
                <input type="hidden" name="patient_id" value="<?= htmlspecialchars($patient['id']) ?>">

                <!-- Subject Field -->
                <label for="subject">Subject:</label>
                <input type="text" name="subject" id="subject" class="form-control" required>

                <!-- Message Field with CKEditor Integration -->
                <label for="message">Message:</label>
                <textarea name="message" id="message" class="form-control" rows="10" required></textarea>

                <!-- Send and Cancel Buttons -->
                <button type="submit" class="btn-primary">Send Email</button>
                <a href="index.php" class="btn-secondary">Cancel</a>
            </form>
        <?php endif; ?>
    </div>
</div>

<!-- Include CKEditor 5 from CDN -->
<script src="https://cdn.ckeditor.com/ckeditor5/39.0.0/classic/ckeditor.js"></script>
<script>
    // Initialize CKEditor for the message textarea
    ClassicEditor
        .create(document.querySelector('#message'), {
            toolbar: {
                items: [
                    'heading', '|',
                    'bold', 'italic', 'link', 'bulletedList', 'numberedList', 'blockQuote', '|',
                    'undo', 'redo'
                ]
            },
            language: 'en',
            // Additional configuration can go here
        })
        .catch(error => {
            console.error(error);
        });
</script>

<?php
// Include the footer
include '../includes/footer.php';
?>) i need to fix them and working well and make the textarea advanced tool for email and mkae sure when sneding email and type full codes and this info database (-- phpMyAdmin SQL Dump
-- version 5.2.1
-- https://www.phpmyadmin.net/
--
-- Host: 127.0.0.1:3306
-- Generation Time: Oct 15, 2024 at 02:17 PM
-- Server version: 10.11.9-MariaDB
-- PHP Version: 7.2.34

SET SQL_MODE = "NO_AUTO_VALUE_ON_ZERO";
START TRANSACTION;
SET time_zone = "+00:00";


/*!40101 SET @OLD_CHARACTER_SET_CLIENT=@@CHARACTER_SET_CLIENT */;
/*!40101 SET @OLD_CHARACTER_SET_RESULTS=@@CHARACTER_SET_RESULTS */;
/*!40101 SET @OLD_COLLATION_CONNECTION=@@COLLATION_CONNECTION */;
/*!40101 SET NAMES utf8mb4 */;

--
-- Database: `u406552082_info`
--

-- --------------------------------------------------------

--
-- Table structure for table `admins`
--

CREATE TABLE `admins` (
  `id` int(11) NOT NULL,
  `username` varchar(50) NOT NULL,
  `password` varchar(255) NOT NULL,
  `email` varchar(100) NOT NULL
) ENGINE=InnoDB DEFAULT CHARSET=utf8mb4 COLLATE=utf8mb4_unicode_ci;

-- --------------------------------------------------------

--
-- Table structure for table `appointments`
--

CREATE TABLE `appointments` (
  `id` int(11) NOT NULL,
  `package_id` int(11) NOT NULL,
  `appointment_date` datetime NOT NULL,
  `proposed_appointment_date` datetime DEFAULT NULL,
  `name` varchar(255) NOT NULL,
  `email` varchar(255) NOT NULL,
  `phone` varchar(20) NOT NULL,
  `age` int(3) DEFAULT NULL,
  `gender` enum('Male','Female','Other') DEFAULT NULL,
  `address` varchar(255) DEFAULT NULL,
  `preferred_contact_method` enum('Email','Phone','WhatsApp') DEFAULT NULL,
  `additional_notes` text DEFAULT NULL,
  `status` enum('Pending','Confirmed','Completed','Cancelled') DEFAULT 'Pending',
  `created_at` timestamp NULL DEFAULT current_timestamp()
) ENGINE=InnoDB DEFAULT CHARSET=utf8mb4 COLLATE=utf8mb4_unicode_ci;

-- --------------------------------------------------------

--
-- Table structure for table `budgets`
--

CREATE TABLE `budgets` (
  `id` int(11) NOT NULL,
  `month` varchar(7) DEFAULT NULL,
  `budgeted_revenue` decimal(10,2) DEFAULT NULL,
  `budgeted_expenses` decimal(10,2) DEFAULT NULL,
  `notes` text DEFAULT NULL
) ENGINE=InnoDB DEFAULT CHARSET=utf8mb4 COLLATE=utf8mb4_unicode_ci;

-- --------------------------------------------------------

--
-- Table structure for table `comments`
--

CREATE TABLE `comments` (
  `id` int(11) NOT NULL,
  `patient_id` int(11) NOT NULL,
  `sender` enum('patient','doctor','admin') NOT NULL,
  `message` text NOT NULL,
  `timestamp` datetime DEFAULT current_timestamp(),
  `parent_id` int(11) DEFAULT NULL
) ENGINE=InnoDB DEFAULT CHARSET=utf8mb4 COLLATE=utf8mb4_unicode_ci;

-- --------------------------------------------------------

--
-- Table structure for table `doctors`
--

CREATE TABLE `doctors` (
  `id` int(11) NOT NULL,
  `employee_id` int(11) NOT NULL,
  `name` varchar(255) NOT NULL,
  `username` varchar(100) NOT NULL,
  `password` varchar(255) NOT NULL,
  `email` varchar(255) NOT NULL,
  `specialization` varchar(255) DEFAULT NULL,
  `phone` varchar(20) DEFAULT NULL,
  `registration_date` date DEFAULT curdate(),
  `profile_picture` varchar(255) DEFAULT NULL,
  `department` varchar(100) DEFAULT NULL,
  `date_of_joining` date DEFAULT NULL,
  `status` enum('active','inactive') DEFAULT 'active'
) ENGINE=InnoDB DEFAULT CHARSET=utf8mb4 COLLATE=utf8mb4_unicode_ci;

-- --------------------------------------------------------

--
-- Table structure for table `doctor_patient`
--

CREATE TABLE `doctor_patient` (
  `id` int(11) NOT NULL,
  `doctor_id` int(11) NOT NULL,
  `patient_id` int(11) NOT NULL
) ENGINE=InnoDB DEFAULT CHARSET=utf8mb4 COLLATE=utf8mb4_unicode_ci;

-- --------------------------------------------------------

--
-- Table structure for table `employees`
--

CREATE TABLE `employees` (
  `id` int(11) NOT NULL,
  `name` varchar(255) NOT NULL,
  `role` enum('admin','doctor','staff','accountant') NOT NULL,
  `email` varchar(255) NOT NULL,
  `phone` varchar(20) DEFAULT NULL,
  `department` varchar(100) DEFAULT NULL,
  `date_of_joining` date DEFAULT NULL,
  `status` enum('active','inactive') DEFAULT 'active',
  `username` varchar(100) NOT NULL,
  `password` varchar(255) NOT NULL,
  `created_at` timestamp NULL DEFAULT current_timestamp(),
  `updated_at` timestamp NULL DEFAULT current_timestamp() ON UPDATE current_timestamp(),
  `profile_picture` varchar(255) DEFAULT NULL,
  `specialization` varchar(255) DEFAULT NULL,
  `is_online` tinyint(1) DEFAULT 0
) ENGINE=InnoDB DEFAULT CHARSET=utf8mb4 COLLATE=utf8mb4_unicode_ci;

-- --------------------------------------------------------

--
-- Table structure for table `expenses`
--

CREATE TABLE `expenses` (
  `id` int(11) NOT NULL,
  `expense_date` date NOT NULL,
  `category` varchar(100) NOT NULL,
  `description` varchar(255) DEFAULT NULL,
  `amount` decimal(10,2) NOT NULL,
  `created_at` timestamp NULL DEFAULT current_timestamp(),
  `updated_at` timestamp NULL DEFAULT current_timestamp() ON UPDATE current_timestamp()
) ENGINE=InnoDB DEFAULT CHARSET=utf8mb4 COLLATE=utf8mb4_unicode_ci;

-- --------------------------------------------------------

--
-- Table structure for table `health_records`
--

CREATE TABLE `health_records` (
  `id` int(11) NOT NULL,
  `patient_id` int(11) NOT NULL,
  `blood_pressure` varchar(20) DEFAULT NULL,
  `weight` decimal(5,2) DEFAULT NULL,
  `bmi` decimal(4,2) DEFAULT NULL,
  `cholesterol` decimal(5,2) DEFAULT NULL,
  `prescription` text DEFAULT NULL,
  `treatment_progress` text DEFAULT NULL,
  `record_date` date NOT NULL
) ENGINE=InnoDB DEFAULT CHARSET=utf8mb4 COLLATE=utf8mb4_unicode_ci;

-- --------------------------------------------------------

--
-- Table structure for table `insurance_claims`
--

CREATE TABLE `insurance_claims` (
  `id` int(11) NOT NULL,
  `patient_id` int(11) DEFAULT NULL,
  `invoice_id` int(11) DEFAULT NULL,
  `claim_amount` decimal(10,2) DEFAULT NULL,
  `status` enum('Pending','Approved','Rejected') DEFAULT NULL,
  `submission_date` date DEFAULT NULL,
  `processing_date` date DEFAULT NULL,
  `notes` text DEFAULT NULL
) ENGINE=InnoDB DEFAULT CHARSET=utf8mb4 COLLATE=utf8mb4_unicode_ci;

-- --------------------------------------------------------

--
-- Table structure for table `invoices`
--

CREATE TABLE `invoices` (
  `id` int(11) NOT NULL,
  `patient_id` int(11) NOT NULL,
  `service_name` varchar(255) NOT NULL,
  `service_description` text DEFAULT NULL,
  `cost` decimal(10,2) NOT NULL,
  `tax_rate` decimal(5,2) DEFAULT 0.00,
  `discount` decimal(5,2) DEFAULT 0.00,
  `total_amount` decimal(10,2) NOT NULL,
  `invoice_date` date DEFAULT curdate(),
  `due_date` date DEFAULT NULL,
  `notes` text DEFAULT NULL,
  `tax` decimal(5,2) DEFAULT 0.00
) ENGINE=InnoDB DEFAULT CHARSET=utf8mb4 COLLATE=utf8mb4_unicode_ci;

-- --------------------------------------------------------

--
-- Table structure for table `invoice_services`
--

CREATE TABLE `invoice_services` (
  `id` int(11) NOT NULL,
  `invoice_id` int(11) NOT NULL,
  `service_id` int(11) NOT NULL,
  `service_name` varchar(255) NOT NULL,
  `cost` decimal(10,2) NOT NULL
) ENGINE=InnoDB DEFAULT CHARSET=utf8mb4 COLLATE=utf8mb4_unicode_ci;

-- --------------------------------------------------------

--
-- Table structure for table `packages`
--

CREATE TABLE `packages` (
  `id` int(11) NOT NULL,
  `package_name` varchar(255) NOT NULL,
  `description` text DEFAULT NULL,
  `details` text DEFAULT NULL,
  `created_at` timestamp NULL DEFAULT current_timestamp()
) ENGINE=InnoDB DEFAULT CHARSET=utf8mb4 COLLATE=utf8mb4_unicode_ci;

-- --------------------------------------------------------

--
-- Table structure for table `patients`
--

CREATE TABLE `patients` (
  `id` int(11) NOT NULL,
  `name` varchar(100) NOT NULL,
  `age` int(11) NOT NULL,
  `gender` enum('Male','Female','Other') NOT NULL,
  `phone` varchar(20) DEFAULT NULL,
  `email` varchar(100) DEFAULT NULL,
  `medical_history` text DEFAULT NULL,
  `created_at` timestamp NULL DEFAULT current_timestamp(),
  `updated_at` timestamp NULL DEFAULT current_timestamp() ON UPDATE current_timestamp(),
  `date_of_birth` date DEFAULT NULL,
  `registration_datetime` datetime DEFAULT current_timestamp(),
  `registration_date` date DEFAULT NULL,
  `status` enum('Initial Consultation','Diagnostic Phase','Treatment in Progress','Improving','Monitoring','Maintenance Phase','Awaiting Test Results','Follow-up Needed','Paused','Completed Program','Relapsed','Discontinued','Inactive') DEFAULT 'Initial Consultation',
  `doctor_id` int(11) DEFAULT NULL,
  `address` varchar(255) DEFAULT NULL
) ENGINE=InnoDB DEFAULT CHARSET=utf8mb4 COLLATE=utf8mb4_unicode_ci;

-- --------------------------------------------------------

--
-- Table structure for table `patient_logins`
--

CREATE TABLE `patient_logins` (
  `id` int(11) NOT NULL,
  `patient_id` int(11) NOT NULL,
  `username` varchar(50) NOT NULL,
  `password` varchar(255) NOT NULL
) ENGINE=InnoDB DEFAULT CHARSET=utf8mb4 COLLATE=utf8mb4_unicode_ci;

-- --------------------------------------------------------

--
-- Table structure for table `payments`
--

CREATE TABLE `payments` (
  `id` int(11) NOT NULL,
  `patient_id` int(11) NOT NULL,
  `invoice_id` int(11) NOT NULL,
  `amount_paid` decimal(10,2) NOT NULL,
  `payment_date` date NOT NULL,
  `payment_method` varchar(50) DEFAULT NULL,
  `notes` text DEFAULT NULL
) ENGINE=InnoDB DEFAULT CHARSET=utf8mb4 COLLATE=utf8mb4_unicode_ci;

-- --------------------------------------------------------

--
-- Table structure for table `prescriptions`
--

CREATE TABLE `prescriptions` (
  `id` int(11) NOT NULL,
  `patient_id` int(11) NOT NULL,
  `doctor_id` int(11) DEFAULT NULL,
  `medications` text NOT NULL,
  `instructions` text DEFAULT NULL,
  `date_prescribed` datetime DEFAULT current_timestamp(),
  `status` enum('active','inactive') DEFAULT 'active'
) ENGINE=InnoDB DEFAULT CHARSET=utf8mb4 COLLATE=utf8mb4_unicode_ci;

-- --------------------------------------------------------

--
-- Table structure for table `salaries`
--

CREATE TABLE `salaries` (
  `id` int(11) NOT NULL,
  `employee_id` int(11) NOT NULL,
  `basic_salary` decimal(10,2) NOT NULL,
  `bonuses` decimal(10,2) DEFAULT 0.00,
  `deductions` decimal(10,2) DEFAULT 0.00,
  `overtime_hours` int(11) DEFAULT 0,
  `overtime_rate` decimal(10,2) DEFAULT 0.00,
  `tax` decimal(10,2) DEFAULT 0.00,
  `payment_date` date NOT NULL,
  `net_salary` decimal(10,2) NOT NULL,
  `status` enum('Pending','Paid') DEFAULT 'Pending',
  `notes` text DEFAULT NULL,
  `payslip_path` varchar(255) DEFAULT NULL
) ENGINE=InnoDB DEFAULT CHARSET=utf8mb4 COLLATE=utf8mb4_unicode_ci;

-- --------------------------------------------------------

--
-- Table structure for table `services`
--

CREATE TABLE `services` (
  `service_id` int(11) NOT NULL,
  `service_name` varchar(255) NOT NULL,
  `service_price` decimal(10,2) NOT NULL,
  `service_description` text DEFAULT NULL,
  `created_at` timestamp NULL DEFAULT current_timestamp(),
  `updated_at` timestamp NULL DEFAULT current_timestamp() ON UPDATE current_timestamp()
) ENGINE=InnoDB DEFAULT CHARSET=utf8mb4 COLLATE=utf8mb4_unicode_ci;

--
-- Indexes for dumped tables
--

--
-- Indexes for table `admins`
--
ALTER TABLE `admins`
  ADD PRIMARY KEY (`id`),
  ADD UNIQUE KEY `username` (`username`);

--
-- Indexes for table `appointments`
--
ALTER TABLE `appointments`
  ADD PRIMARY KEY (`id`),
  ADD KEY `package_id` (`package_id`);

--
-- Indexes for table `budgets`
--
ALTER TABLE `budgets`
  ADD PRIMARY KEY (`id`);

--
-- Indexes for table `comments`
--
ALTER TABLE `comments`
  ADD PRIMARY KEY (`id`),
  ADD KEY `patient_id` (`patient_id`);

--
-- Indexes for table `doctors`
--
ALTER TABLE `doctors`
  ADD PRIMARY KEY (`id`),
  ADD UNIQUE KEY `username` (`username`),
  ADD UNIQUE KEY `email` (`email`),
  ADD KEY `employee_id` (`employee_id`);

--
-- Indexes for table `doctor_patient`
--
ALTER TABLE `doctor_patient`
  ADD PRIMARY KEY (`id`),
  ADD UNIQUE KEY `doctor_id` (`doctor_id`,`patient_id`),
  ADD KEY `fk_doctor_patient_patient_id` (`patient_id`);

--
-- Indexes for table `employees`
--
ALTER TABLE `employees`
  ADD PRIMARY KEY (`id`),
  ADD UNIQUE KEY `email` (`email`),
  ADD UNIQUE KEY `username` (`username`);

--
-- Indexes for table `expenses`
--
ALTER TABLE `expenses`
  ADD PRIMARY KEY (`id`);

--
-- Indexes for table `health_records`
--
ALTER TABLE `health_records`
  ADD PRIMARY KEY (`id`),
  ADD KEY `patient_id` (`patient_id`);

--
-- Indexes for table `insurance_claims`
--
ALTER TABLE `insurance_claims`
  ADD PRIMARY KEY (`id`),
  ADD KEY `patient_id` (`patient_id`),
  ADD KEY `invoice_id` (`invoice_id`);

--
-- Indexes for table `invoices`
--
ALTER TABLE `invoices`
  ADD PRIMARY KEY (`id`),
  ADD KEY `patient_id` (`patient_id`);

--
-- Indexes for table `invoice_services`
--
ALTER TABLE `invoice_services`
  ADD PRIMARY KEY (`id`),
  ADD KEY `invoice_id` (`invoice_id`),
  ADD KEY `service_id` (`service_id`);

--
-- Indexes for table `packages`
--
ALTER TABLE `packages`
  ADD PRIMARY KEY (`id`);

--
-- Indexes for table `patients`
--
ALTER TABLE `patients`
  ADD PRIMARY KEY (`id`),
  ADD KEY `doctor_id` (`doctor_id`);

--
-- Indexes for table `patient_logins`
--
ALTER TABLE `patient_logins`
  ADD PRIMARY KEY (`id`),
  ADD UNIQUE KEY `patient_id` (`patient_id`),
  ADD UNIQUE KEY `username` (`username`);

--
-- Indexes for table `payments`
--
ALTER TABLE `payments`
  ADD PRIMARY KEY (`id`),
  ADD KEY `patient_id` (`patient_id`),
  ADD KEY `invoice_id` (`invoice_id`);

--
-- Indexes for table `prescriptions`
--
ALTER TABLE `prescriptions`
  ADD PRIMARY KEY (`id`),
  ADD KEY `patient_id` (`patient_id`),
  ADD KEY `doctor_id` (`doctor_id`);

--
-- Indexes for table `salaries`
--
ALTER TABLE `salaries`
  ADD PRIMARY KEY (`id`),
  ADD KEY `employee_id` (`employee_id`);

--
-- Indexes for table `services`
--
ALTER TABLE `services`
  ADD PRIMARY KEY (`service_id`);

--
-- AUTO_INCREMENT for dumped tables
--

--
-- AUTO_INCREMENT for table `admins`
--
ALTER TABLE `admins`
  MODIFY `id` int(11) NOT NULL AUTO_INCREMENT;

--
-- AUTO_INCREMENT for table `appointments`
--
ALTER TABLE `appointments`
  MODIFY `id` int(11) NOT NULL AUTO_INCREMENT;

--
-- AUTO_INCREMENT for table `budgets`
--
ALTER TABLE `budgets`
  MODIFY `id` int(11) NOT NULL AUTO_INCREMENT;

--
-- AUTO_INCREMENT for table `comments`
--
ALTER TABLE `comments`
  MODIFY `id` int(11) NOT NULL AUTO_INCREMENT;

--
-- AUTO_INCREMENT for table `doctors`
--
ALTER TABLE `doctors`
  MODIFY `id` int(11) NOT NULL AUTO_INCREMENT;

--
-- AUTO_INCREMENT for table `doctor_patient`
--
ALTER TABLE `doctor_patient`
  MODIFY `id` int(11) NOT NULL AUTO_INCREMENT;

--
-- AUTO_INCREMENT for table `employees`
--
ALTER TABLE `employees`
  MODIFY `id` int(11) NOT NULL AUTO_INCREMENT;

--
-- AUTO_INCREMENT for table `expenses`
--
ALTER TABLE `expenses`
  MODIFY `id` int(11) NOT NULL AUTO_INCREMENT;

--
-- AUTO_INCREMENT for table `health_records`
--
ALTER TABLE `health_records`
  MODIFY `id` int(11) NOT NULL AUTO_INCREMENT;

--
-- AUTO_INCREMENT for table `insurance_claims`
--
ALTER TABLE `insurance_claims`
  MODIFY `id` int(11) NOT NULL AUTO_INCREMENT;

--
-- AUTO_INCREMENT for table `invoices`
--
ALTER TABLE `invoices`
  MODIFY `id` int(11) NOT NULL AUTO_INCREMENT;

--
-- AUTO_INCREMENT for table `invoice_services`
--
ALTER TABLE `invoice_services`
  MODIFY `id` int(11) NOT NULL AUTO_INCREMENT;

--
-- AUTO_INCREMENT for table `packages`
--
ALTER TABLE `packages`
  MODIFY `id` int(11) NOT NULL AUTO_INCREMENT;

--
-- AUTO_INCREMENT for table `patients`
--
ALTER TABLE `patients`
  MODIFY `id` int(11) NOT NULL AUTO_INCREMENT;

--
-- AUTO_INCREMENT for table `patient_logins`
--
ALTER TABLE `patient_logins`
  MODIFY `id` int(11) NOT NULL AUTO_INCREMENT;

--
-- AUTO_INCREMENT for table `payments`
--
ALTER TABLE `payments`
  MODIFY `id` int(11) NOT NULL AUTO_INCREMENT;

--
-- AUTO_INCREMENT for table `prescriptions`
--
ALTER TABLE `prescriptions`
  MODIFY `id` int(11) NOT NULL AUTO_INCREMENT;

--
-- AUTO_INCREMENT for table `salaries`
--
ALTER TABLE `salaries`
  MODIFY `id` int(11) NOT NULL AUTO_INCREMENT;

--
-- AUTO_INCREMENT for table `services`
--
ALTER TABLE `services`
  MODIFY `service_id` int(11) NOT NULL AUTO_INCREMENT;

--
-- Constraints for dumped tables
--

--
-- Constraints for table `appointments`
--
ALTER TABLE `appointments`
  ADD CONSTRAINT `appointments_ibfk_1` FOREIGN KEY (`package_id`) REFERENCES `packages` (`id`) ON DELETE CASCADE ON UPDATE CASCADE;

--
-- Constraints for table `comments`
--
ALTER TABLE `comments`
  ADD CONSTRAINT `comments_ibfk_1` FOREIGN KEY (`patient_id`) REFERENCES `patients` (`id`);

--
-- Constraints for table `doctors`
--
ALTER TABLE `doctors`
  ADD CONSTRAINT `doctors_ibfk_1` FOREIGN KEY (`employee_id`) REFERENCES `employees` (`id`);

--
-- Constraints for table `doctor_patient`
--
ALTER TABLE `doctor_patient`
  ADD CONSTRAINT `doctor_patient_fk_doctor_id` FOREIGN KEY (`doctor_id`) REFERENCES `doctors` (`id`) ON DELETE CASCADE ON UPDATE CASCADE,
  ADD CONSTRAINT `doctor_patient_ibfk_2` FOREIGN KEY (`patient_id`) REFERENCES `patients` (`id`) ON DELETE CASCADE,
  ADD CONSTRAINT `fk_doctor` FOREIGN KEY (`doctor_id`) REFERENCES `doctors` (`id`) ON DELETE CASCADE ON UPDATE CASCADE,
  ADD CONSTRAINT `fk_doctor_patient_doctor_id` FOREIGN KEY (`doctor_id`) REFERENCES `doctors` (`id`) ON DELETE CASCADE ON UPDATE CASCADE,
  ADD CONSTRAINT `fk_doctor_patient_patient_id` FOREIGN KEY (`patient_id`) REFERENCES `patients` (`id`) ON DELETE CASCADE ON UPDATE CASCADE;

--
-- Constraints for table `health_records`
--
ALTER TABLE `health_records`
  ADD CONSTRAINT `health_records_ibfk_1` FOREIGN KEY (`patient_id`) REFERENCES `patients` (`id`) ON DELETE CASCADE;

--
-- Constraints for table `insurance_claims`
--
ALTER TABLE `insurance_claims`
  ADD CONSTRAINT `insurance_claims_ibfk_1` FOREIGN KEY (`patient_id`) REFERENCES `patients` (`id`) ON DELETE CASCADE,
  ADD CONSTRAINT `insurance_claims_ibfk_2` FOREIGN KEY (`invoice_id`) REFERENCES `invoices` (`id`) ON DELETE CASCADE;

--
-- Constraints for table `invoices`
--
ALTER TABLE `invoices`
  ADD CONSTRAINT `invoices_ibfk_1` FOREIGN KEY (`patient_id`) REFERENCES `patients` (`id`);

--
-- Constraints for table `invoice_services`
--
ALTER TABLE `invoice_services`
  ADD CONSTRAINT `invoice_services_ibfk_1` FOREIGN KEY (`invoice_id`) REFERENCES `invoices` (`id`) ON DELETE CASCADE,
  ADD CONSTRAINT `invoice_services_ibfk_2` FOREIGN KEY (`service_id`) REFERENCES `services` (`service_id`) ON DELETE CASCADE;

--
-- Constraints for table `patients`
--
ALTER TABLE `patients`
  ADD CONSTRAINT `patients_ibfk_1` FOREIGN KEY (`doctor_id`) REFERENCES `doctors` (`id`) ON DELETE SET NULL ON UPDATE CASCADE;

--
-- Constraints for table `patient_logins`
--
ALTER TABLE `patient_logins`
  ADD CONSTRAINT `patient_logins_ibfk_1` FOREIGN KEY (`patient_id`) REFERENCES `patients` (`id`) ON DELETE CASCADE;

--
-- Constraints for table `payments`
--
ALTER TABLE `payments`
  ADD CONSTRAINT `payments_ibfk_1` FOREIGN KEY (`patient_id`) REFERENCES `patients` (`id`) ON DELETE CASCADE ON UPDATE CASCADE,
  ADD CONSTRAINT `payments_ibfk_2` FOREIGN KEY (`invoice_id`) REFERENCES `invoices` (`id`) ON DELETE CASCADE ON UPDATE CASCADE;

--
-- Constraints for table `prescriptions`
--
ALTER TABLE `prescriptions`
  ADD CONSTRAINT `prescriptions_ibfk_1` FOREIGN KEY (`patient_id`) REFERENCES `patients` (`id`) ON DELETE CASCADE,
  ADD CONSTRAINT `prescriptions_ibfk_2` FOREIGN KEY (`doctor_id`) REFERENCES `doctors` (`id`) ON DELETE SET NULL;

--
-- Constraints for table `salaries`
--
ALTER TABLE `salaries`
  ADD CONSTRAINT `salaries_ibfk_1` FOREIGN KEY (`employee_id`) REFERENCES `employees` (`id`) ON DELETE CASCADE ON UPDATE CASCADE;
COMMIT;

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