caesar
/
Glacier


			
				
					
						
						
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							<?php

declare(strict_types=1);

/**
 * Glacier 单一入口（前端控制器）。
 * 所有动态请求都经此进入 —— URL 与物理路径完全解耦，见 docs/architecture.md §3.1。
 */

define('APP_ROOT', dirname(__DIR__));

require APP_ROOT . '/vendor/autoload.php';

use Glacier\Core\Config;
use Glacier\Core\Logger;
use Glacier\Core\Response;
use Glacier\Core\Router;

date_default_timezone_set('Asia/Shanghai'); // 架构约定 UTC+8

$config = require APP_ROOT . '/app/config/env.php';
Config::load($config);
Logger::init(Config::get('storage.logs', APP_ROOT . '/storage/logs'));

try {
    // 解析请求路径（去 query，规范化尾部斜杠）
    $path = parse_url($_SERVER['REQUEST_URI'] ?? '/', PHP_URL_PATH) ?: '/';
    if (strlen($path) > 1) {
        $path = rtrim($path, '/');
    }
    $method = $_SERVER['REQUEST_METHOD'] ?? 'GET';

    Logger::info('request', ['method' => $method, 'path' => $path]);

    // 注册路由（声明式路由表）
    $router = new Router();
    foreach ((array) require APP_ROOT . '/app/config/routes.php' as $route) {
        $router->add($route['method'], $route['pattern'], $route['handler'], $route['middleware'] ?? []);
    }

    $match = $router->match($path, $method);
    if ($match === null) {
        Logger::warning('route not found', ['method' => $method, 'path' => $path]);
        Response::html(
            '<!doctype html><html lang="zh-CN"><head><meta charset="utf-8"><title>404</title>'
            . '<style>body{font-family:system-ui;text-align:center;padding-top:80px;color:#666}'
            . 'h1{font-size:48px;color:#c33;margin-bottom:8px}</style></head>'
            . '<body><h1>404</h1><p>页面不存在。</p></body></html>',
            404
        );
    }

    call_user_func($match['handler'], $match['params']);
} catch (\Throwable $e) {
    Logger::error('uncaught exception', [
        'message' => $e->getMessage(),
        'file' => $e->getFile(),
        'line' => $e->getLine(),
    ]);
    $detail = Config::get('app.debug', false)
        ? '<pre>' . e($e->getMessage()) . PHP_EOL . e($e->getFile() . ':' . $e->getLine()) . '</pre>'
        : '<p>服务器开小差了，请稍后再试。</p>';
    Response::html(
        '<!doctype html><html lang="zh-CN"><head><meta charset="utf-8"><title>500</title>'
        . '<style>body{font-family:system-ui;text-align:center;padding-top:80px;color:#666}'
        . 'h1{font-size:48px;color:#c33}</style></head>'
        . '<body><h1>500</h1>' . $detail . '</body></html>',
        500
    );
}