<?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'] = [
    // Application identity
    'APP_NAME'     => $envVars['APP_NAME']     ?? 'TINKER TICKETS',
    'APP_SUBTITLE' => $envVars['APP_SUBTITLE'] ?? 'LotusGuild Infrastructure',
    'APP_VERSION'  => $envVars['APP_VERSION']  ?? '1.2',

    // Asset cache-busting version — auto-computed from key asset mtimes so
    // browsers always pick up changes on deploy. Override via ASSET_VERSION in .env.
    'ASSET_VERSION' => (function() use ($envVars) {
        if (!empty($envVars['ASSET_VERSION'])) return $envVars['ASSET_VERSION'];
        $files = [
            __DIR__ . '/../assets/css/base.css',
            __DIR__ . '/../assets/css/dashboard.css',
            __DIR__ . '/../assets/css/ticket.css',
            __DIR__ . '/../assets/js/base.js',
            __DIR__ . '/../assets/js/dashboard.js',
            __DIR__ . '/../assets/js/ticket.js',
        ];
        $mtime = 0;
        foreach ($files as $f) { if (file_exists($f)) $mtime = max($mtime, filemtime($f)); }
        return $mtime ?: '20260329';
    })(),

    // Canonical ticket statuses — single source of truth used by views and JS
    'TICKET_STATUSES' => ['Open', 'Pending', 'In Progress', 'Closed'],

    // 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

    // Matrix webhook (hookshot generic webhook URL)
    'MATRIX_WEBHOOK_URL'      => $envVars['MATRIX_WEBHOOK_URL'] ?? null,
    // Comma-separated Matrix user IDs to @mention on new tickets / status changes (e.g. @jared:matrix.lotusguild.org)
    'MATRIX_NOTIFY_USERS'     => $envVars['MATRIX_NOTIFY_USERS'] ?? '',
    // Matrix homeserver domain (e.g. matrix.lotusguild.org) — used to construct Matrix user IDs
    'MATRIX_DOMAIN'             => $envVars['MATRIX_DOMAIN'] ?? null,
    // Internal Synapse client-API base URL (e.g. http://10.10.10.29:8008) — used to verify user existence via Admin API
    'SYNAPSE_ADMIN_URL'         => $envVars['SYNAPSE_ADMIN_URL'] ?? null,
    // Synapse admin access token (generate with: register_new_matrix_user or admin API)
    'SYNAPSE_ADMIN_TOKEN'       => $envVars['SYNAPSE_ADMIN_TOKEN'] ?? null,
    // Set to '1' or 'true' to send a notification when any comment is posted
    'MATRIX_NOTIFY_COMMENTS'    => filter_var($envVars['MATRIX_NOTIFY_COMMENTS'] ?? false, FILTER_VALIDATE_BOOLEAN),
    // Set to '1' or 'true' to send a notification when a ticket is assigned
    'MATRIX_NOTIFY_ASSIGNMENTS' => filter_var($envVars['MATRIX_NOTIFY_ASSIGNMENTS'] ?? false, FILTER_VALIDATE_BOOLEAN),

    // 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' => 18000, // 5 hours 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

    // LDAP / lldap settings (for user avatar lookups)
    'LDAP_HOST'        => $envVars['LDAP_HOST']        ?? '10.10.10.39',
    'LDAP_PORT'        => (int)($envVars['LDAP_PORT']  ?? 3890),
    'LDAP_BIND_DN'     => $envVars['LDAP_BIND_DN']     ?? 'uid=tinker-tickets,ou=people,dc=example,dc=com',
    'LDAP_BIND_PW'     => $envVars['LDAP_BIND_PW']     ?? '',
    'LDAP_BASE_DN'     => $envVars['LDAP_BASE_DN']     ?? 'dc=example,dc=com',
    'LDAP_USER_BASE'   => $envVars['LDAP_USER_BASE']   ?? 'ou=people,dc=example,dc=com',
    'LDAP_ENABLED'     => filter_var($envVars['LDAP_ENABLED'] ?? 'true', FILTER_VALIDATE_BOOLEAN),
    'AVATAR_CACHE_DIR' => __DIR__ . '/../uploads/avatars',
    'AVATAR_CACHE_TTL' => (int)($envVars['AVATAR_CACHE_TTL'] ?? 3600), // seconds
];

// 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"
?>