<?php
// Main entry point for the application
require_once 'config/config.php';

// Parse the URL - no need to remove base path since we're at document root
$request = $_SERVER['REQUEST_URI'];

// Remove query string for routing (but keep it available)
$requestPath = strtok($request, '?');

// Create database connection for non-API routes
if (!str_starts_with($requestPath, '/api/')) {
    $conn = new mysqli(
        $GLOBALS['config']['DB_HOST'],
        $GLOBALS['config']['DB_USER'],
        $GLOBALS['config']['DB_PASS'],
        $GLOBALS['config']['DB_NAME']
    );

    if ($conn->connect_error) {
        die("Connection failed: " . $conn->connect_error);
    }
}

// Simple router
switch (true) {
    case $requestPath == '/' || $requestPath == '':
        require_once 'controllers/DashboardController.php';
        $controller = new DashboardController($conn);
        $controller->index();
        break;
        
    case preg_match('/^\/ticket\/(\d+)$/', $requestPath, $matches):
        require_once 'controllers/TicketController.php';
        $controller = new TicketController($conn);
        $controller->view($matches[1]);
        break;
        
    case $requestPath == '/ticket/create':
        require_once 'controllers/TicketController.php';
        $controller = new TicketController($conn);
        $controller->create();
        break;
        
    // API Routes - these handle their own database connections
    case $requestPath == '/api/update_ticket.php':
        require_once 'api/update_ticket.php';
        break;
        
    case $requestPath == '/api/add_comment.php':
        require_once 'api/add_comment.php';
        break;
        
    // Legacy support for old URLs
    case $requestPath == '/dashboard.php':
        header("Location: /");
        exit;
        
    case preg_match('/^\/ticket\.php/', $requestPath) && isset($_GET['id']):
        header("Location: /ticket/" . $_GET['id']);
        exit;
        
    default:
        // 404 Not Found
        header("HTTP/1.0 404 Not Found");
        echo '404 Page Not Found';
        break;
}

// Close database connection if it was opened
if (isset($conn)) {
    $conn->close();
}
?>