<?php
/**
 * Sozial API - Entry Point
 * 
 * This is the main entry point for the Sozial REST API.
 * All requests are routed through this file.
 */

// Error reporting for development
error_reporting(E_ALL);
ini_set('display_errors', 0);
ini_set('log_errors', 1);

// Autoloader
spl_autoload_register(function ($class) {
    // Convert namespace to file path
    $prefixes = [
        'Core\\' => __DIR__ . '/../src/core/',
        'Modules\\' => __DIR__ . '/../src/modules/',
        'Services\\' => __DIR__ . '/../src/services/',
        'Utils\\' => __DIR__ . '/../src/utils/',
        'Middleware\\' => __DIR__ . '/../src/core/',
    ];
    
    foreach ($prefixes as $prefix => $baseDir) {
        $len = strlen($prefix);
        if (strncmp($prefix, $class, $len) === 0) {
            $relativeClass = substr($class, $len);
            $file = $baseDir . str_replace('\\', '/', $relativeClass) . '.php';
            if (file_exists($file)) {
                require $file;
                return;
            }
        }
    }
});

// Load configurations
$dbConfig = require __DIR__ . '/../src/config/database.php';
$jwtConfig = require __DIR__ . '/../src/config/jwt.php';
$appConfig = require __DIR__ . '/../src/config/app.php';

// Initialize database
use Core\Database;
Database::init($dbConfig);

// Initialize database schema if tables don't exist
$pdo = Database::getInstance();
$stmt = $pdo->query("SELECT name FROM sqlite_master WHERE type='table' AND name='users'");
if (!$stmt->fetch()) {
    $schemaPath = __DIR__ . '/../database/schema.sql';
    if (file_exists($schemaPath)) {
        Database::initialize($schemaPath);
    }
}

// Initialize JWT service
use Services\JwtService;
$jwtService = new JwtService($jwtConfig);

// Initialize auth middleware
use Middleware\Auth;
Auth::setJwtService($jwtService);

// Create request
use Core\Request;
$request = new Request();

// Create router
use Core\Router;
$router = new Router();

// Load controllers
use Modules\Auth\AuthController;
use Modules\User\UserController;

$authController = new AuthController(Database::getInstance(), $jwtService);
$userController = new UserController(Database::getInstance());

// Auth routes
$router->post('/auth/register', fn($req) => $authController->register($req));
$router->post('/auth/login', fn($req) => $authController->login($req));
$router->post('/auth/refresh', fn($req) => $authController->refresh($req));
$router->post('/auth/logout', fn($req) => $authController->logout($req), ['Auth']);

// User routes
$router->get('/users/search', fn($req) => $userController->search($req));
$router->get('/users/{id}', fn($req, $params) => $userController->show($req, $params));
$router->patch('/users/{id}', fn($req, $params) => $userController->update($req, $params), ['Auth']);
$router->delete('/users/{id}', fn($req, $params) => $userController->destroy($req, $params), ['Auth']);
$router->get('/users/{id}/posts', fn($req, $params) => $userController->posts($req, $params));
$router->get('/users/{id}/friends', fn($req, $params) => $userController->friends($req, $params));
$router->get('/users/{id}/followers', fn($req, $params) => $userController->followers($req, $params));
$router->get('/users/{id}/following', fn($req, $params) => $userController->following($req, $params));

// Health check
$router->get('/health', function($req) {
    \Core\Response::success(['status' => 'ok', 'service' => 'sozial-api']);
});

// Dispatch request
$router->dispatch($request);