<?php
// Load environment variables
$envFile = __DIR__ . '/../.env';
if (!file_exists($envFile)) {
    die('Configuration error: .env file not found. Copy .env.example to .env and configure your database settings.');
}
$envVars = parse_ini_file($envFile, false, INI_SCANNER_TYPED);

// Strip quotes from values if present (parse_ini_file may include them)
if ($envVars) {
    foreach ($envVars as $key => $value) {
        if (is_string($value)) {
            if ((substr($value, 0, 1) === '"' && substr($value, -1) === '"') ||
                (substr($value, 0, 1) === "'" && substr($value, -1) === "'")) {
                $envVars[$key] = substr($value, 1, -1);
            }
        }
    }
}

// Global configuration
$GLOBALS['config'] = [
    // Database settings
    'DB_HOST' => $envVars['DB_HOST'] ?? 'localhost',
    'DB_USER' => $envVars['DB_USER'] ?? 'root',
    'DB_PASS' => $envVars['DB_PASS'] ?? '',
    'DB_NAME' => $envVars['DB_NAME'] ?? 'tinkertickets',

    // URL settings
    'BASE_URL' => '', // Empty since we're serving from document root
    'ASSETS_URL' => '/assets', // Assets URL
    'API_URL' => '/api', // API URL

    // Domain settings for external integrations (webhooks, links, etc.)
    // Set APP_DOMAIN in .env to override
    'APP_DOMAIN' => $envVars['APP_DOMAIN'] ?? null,
    // Allowed hosts for HTTP_HOST validation (comma-separated in .env)
    'ALLOWED_HOSTS' => array_filter(array_map('trim',
        explode(',', $envVars['ALLOWED_HOSTS'] ?? 'localhost,127.0.0.1')
    )),

    // Session settings
    'SESSION_TIMEOUT' => 3600, // 1 hour in seconds
    'SESSION_REGENERATE_INTERVAL' => 300, // Regenerate session ID every 5 minutes

    // CSRF settings
    'CSRF_LIFETIME' => 3600, // 1 hour in seconds

    // Pagination settings
    'PAGINATION_DEFAULT' => 15, // Default items per page
    'PAGINATION_MAX' => 100, // Maximum items per page

    // File upload settings
    'MAX_UPLOAD_SIZE' => 10485760, // 10MB in bytes
    'ALLOWED_FILE_TYPES' => [
        'image/jpeg',
        'image/png',
        'image/gif',
        'image/webp',
        'application/pdf',
        'text/plain',
        'text/csv',
        'application/msword',
        'application/vnd.openxmlformats-officedocument.wordprocessingml.document',
        'application/vnd.ms-excel',
        'application/vnd.openxmlformats-officedocument.spreadsheetml.sheet',
        'application/zip',
        'application/x-7z-compressed',
        'application/x-tar',
        'application/gzip'
    ],
    'UPLOAD_DIR' => __DIR__ . '/../uploads',

    // Rate limiting
    'RATE_LIMIT_DEFAULT' => 100, // Requests per minute for general
    'RATE_LIMIT_API' => 60, // Requests per minute for API

    // Audit log settings
    'AUDIT_LOG_RETENTION_DAYS' => 90,

    // Timezone settings
    // Default: America/New_York (EST/EDT)
    // Common options: America/Chicago (CST), America/Denver (MST), America/Los_Angeles (PST), UTC
    'TIMEZONE' => $envVars['TIMEZONE'] ?? 'America/New_York',
    'TIMEZONE_OFFSET' => null // Will be calculated below
];

// Set PHP default timezone
date_default_timezone_set($GLOBALS['config']['TIMEZONE']);

// Calculate UTC offset for JavaScript (in minutes, negative for west of UTC)
$now = new DateTime('now', new DateTimeZone($GLOBALS['config']['TIMEZONE']));
$GLOBALS['config']['TIMEZONE_OFFSET'] = $now->getOffset() / 60; // Convert seconds to minutes
$GLOBALS['config']['TIMEZONE_ABBREV'] = $now->format('T'); // e.g., "EST", "EDT"
?>