<?php

use MintyPHP\Firewall;
use MintyPHP\Session;
use MintyPHP\Debugger;
use MintyPHP\Analyzer;
use MintyPHP\Router;
use MintyPHP\DB;
use MintyPHP\Buffer;
use MintyPHP\I18n;
use MintyPHP\Http\Request;
use MintyPHP\Http\LocaleResolver;
use MintyPHP\Http\AccessControl;
use MintyPHP\Http\AssetDetector;

// Change directory to project root
chdir(__DIR__ . '/..');
// Load the libraries
require 'vendor/autoload.php';
// Load the config parameters
require 'config/config.php';
// Load the routes
require 'config/router.php';
// Register shortcut functions
require 'lib/Support/helpers.php';

// Start the firewall
Firewall::start();

// Start the session
Session::start();

// Initialize default locale from tenant/app settings
$defaultLocale = appDefaultLocale();
if ($defaultLocale !== null) {
    I18n::$defaultLocale = $defaultLocale;
    if (!defined('APP_LOCALES') || in_array($defaultLocale, APP_LOCALES, true)) {
        if (I18n::$locale === '' || !in_array(I18n::$locale, APP_LOCALES, true)) {
            I18n::$locale = $defaultLocale;
        }
    }
}

// Auto-login from remember-me cookie
if (empty($_SESSION['user']['id'])) {
    \MintyPHP\Service\RememberMeService::autoLoginFromCookie();
}

// Parse request URI and resolve locale
$originalUri = $_SERVER['REQUEST_URI'] ?? '';
$_SERVER['MINTY_ORIGINAL_URI'] = $originalUri;

$localeResolver = new LocaleResolver();
$parsedUri = $localeResolver->parseUri($originalUri);
$pathWithoutLocale = $parsedUri['pathWithoutLocale'];
$requestedLocale = $parsedUri['locale'];
$_SERVER['MINTY_LOCALE'] = $requestedLocale;

// Rewrite REQUEST_URI without locale segment for router
if ($parsedUri['hadLocaleInUrl']) {
    $_SERVER['REQUEST_URI'] = $localeResolver->buildUriWithoutLocale(
        $pathWithoutLocale,
        $parsedUri['query']
    );
}

// Resolve effective locale from URL > Session > Cookie > Default
I18n::$locale = $localeResolver->resolveLocale(
    $requestedLocale,
    $_SESSION['user']['locale'] ?? null,
    $_COOKIE['locale'] ?? null
);

$isAssetRequest = AssetDetector::isAssetRequest($pathWithoutLocale);

// Refresh tenant context if stale or missing (skip for assets)
if (!empty($_SESSION['user']['id']) && !$isAssetRequest) {
    $userId = (int) ($_SESSION['user']['id'] ?? 0);
    if ($userId > 0) {
        $ttl = defined('TENANT_SNAPSHOT_TTL') ? (int) TENANT_SNAPSHOT_TTL : 120;
        $lastRefresh = (int) ($_SESSION['tenant_snapshot_at'] ?? 0);
        $needsRefresh = empty($_SESSION['current_tenant']) || empty($_SESSION['available_tenants']);
        if ($ttl > 0 && (time() - $lastRefresh) >= $ttl) {
            $needsRefresh = true;
        }
        if ($needsRefresh) {
            \MintyPHP\Service\AuthService::loadTenantDataIntoSession($userId);
            $_SESSION['tenant_snapshot_at'] = time();
        }
    }
}

if ($requestedLocale === '' && !$isAssetRequest) {
    $method = strtoupper((string) ($_SERVER['REQUEST_METHOD'] ?? 'GET'));
    if (in_array($method, ['GET', 'HEAD'], true)) {
        $target = Request::withLocale($pathWithoutLocale, I18n::$locale ?? I18n::$defaultLocale);
        $target .= $parsedUri['query'] !== '' ? '?' . $parsedUri['query'] : '';
        Router::redirect($target);
    }
}

// Guard: restrict non-public pages to logged-in users
$accessControl = new AccessControl();
$accessControl->requireAuthOrRedirect($pathWithoutLocale, !empty($_SESSION['user']['id']));

// Analyze the PHP code
if (Debugger::$enabled) {
    Analyzer::execute();
}

// Load the action into body
ob_start();
if (Router::getTemplateAction()) {
    require Router::getTemplateAction();
}
if (ob_get_contents()) {
    ob_end_flush();
    trigger_error('MintyPHP template action"' . Router::getTemplateAction() . '" should not send output. Error raised ', E_USER_WARNING);
} else {
    ob_end_clean();
}

ob_start();
if (Router::getAction()) {
    extract(Router::getParameters());
    require Router::getAction();
}
if (ob_get_contents()) {
    ob_end_flush();
    trigger_error('MintyPHP action "' . Router::getAction() . '" should not send output. Error raised ', E_USER_WARNING);
} else {
    ob_end_clean();
}

// End the session
Session::end();

// Close the database connection
DB::close();

if (Router::getTemplateView()) {
    Buffer::start('html');
    if (Router::getView()) {
        require Router::getView();
    }

    // Show developer toolbar
    if (Debugger::$enabled) {
        Debugger::toolbar();
    }

    Buffer::end('html');
    // Load body into template
    require Router::getTemplateView();
} else { // Handle the 'none' template case
    if (Router::getView()) {
        require Router::getView();
    }
}