<?php

namespace App\Controllers;

use Psr\Http\Message\ResponseInterface as Response;
use Slim\Views\Twig;

abstract class Controller
{
    protected $view;
    protected $auth;

    public function __construct(Twig $view, $auth = null)
    {
        $this->view = $view;
        $this->auth = $auth;
    }

    protected function json(Response $response, $data, int $status = 200): Response
    {
        $response->getBody()->write(json_encode($data));
        return $response
            ->withHeader('Content-Type', 'application/json')
            ->withStatus($status);
    }

    protected function jsonResponse(Response $response, $data, int $status = 200): Response
    {
        return $this->json($response, $data, $status);
    }

    protected function withRedirect(Response $response, string $url): Response
    {
        return $response->withStatus(302)->withHeader('Location', $url);
    }

    protected function generateCSRFToken(): string
    {
        if ($this->auth && method_exists($this->auth, 'generateCSRFToken')) {
            return $this->auth->generateCSRFToken();
        }

        // Fallback for when auth service is not available
        if (!isset($_SESSION['csrf_token'])) {
            $_SESSION['csrf_token'] = bin2hex(random_bytes(32));
        }
        return $_SESSION['csrf_token'];
    }

    protected function verifyCSRFToken(string $token): bool
    {
        if ($this->auth && method_exists($this->auth, 'verifyCSRFToken')) {
            return $this->auth->verifyCSRFToken($token);
        }

        // Fallback for when auth service is not available
        return isset($_SESSION['csrf_token']) && $_SESSION['csrf_token'] === $token;
    }

    protected function getRoutePath(string $routeName, array $data = [], array $queryParams = []): string
    {
        // Simple implementation matching the path_for function in templates
        $basePath = '';

        // Handle common route patterns
        switch ($routeName) {
            case 'home':
                $basePath = '/';
                break;
            case 'games.index':
                $basePath = '/media/games';
                break;
            case 'games.show':
                $basePath = '/media/games/' . ($data['game_key'] ?? '');
                break;
            case 'movies.index':
                $basePath = '/media/movies';
                break;
            case 'tvshows.index':
                $basePath = '/media/tv-shows';
                break;
            case 'music.index':
                $basePath = '/media/music';
                break;
            case 'admin.index':
                $basePath = '/admin';
                break;
            case 'admin.playnite.import':
                $basePath = '/admin/playnite/import';
                break;
            case 'admin.playnite.upload':
                $basePath = '/admin/playnite/import';
                break;
            case 'admin.settings':
                $basePath = '/admin/settings';
                break;
            case 'admin.sources':
                $basePath = '/admin/sources';
                break;
            case 'admin.sync':
                $basePath = '/admin/sync/' . ($data['id'] ?? '');
                break;
            case 'auth.login':
                $basePath = '/login';
                break;
            case 'auth.logout':
                $basePath = '/logout';
                break;
            case 'movies.show':
                $basePath = '/media/movies/' . ($data['id'] ?? '');
                break;
            case 'tvshows.show':
                $basePath = '/media/tv-shows/' . ($data['id'] ?? '');
                break;
            case 'music.show':
                $basePath = '/media/music/' . ($data['id'] ?? '');
                break;
            case 'adult.index':
                $basePath = '/media/adult';
                break;
            case 'adult.show':
                $basePath = '/media/adult/' . ($data['id'] ?? '');
                break;
            case 'actors.index':
                $basePath = '/media/actors';
                break;
            case 'actors.show':
                $basePath = '/media/actors/' . ($data['id'] ?? '');
                break;
            case 'search.index':
                $basePath = '/search';
                break;
            default:
                $basePath = '/' . str_replace('.', '/', $routeName);
        }

        // Add query parameters
        if (!empty($queryParams)) {
            $basePath .= '?' . http_build_query($queryParams);
        }

        return $basePath;
    }
}