<?php

namespace App\Controllers;

use Psr\Http\Message\ResponseInterface as Response;
use Psr\Http\Message\ServerRequestInterface as Request;
use App\Models\Movie;
use Slim\Views\Twig;

class MovieController extends Controller
{
    private \PDO $pdo;

    public function __construct(\PDO $pdo, Twig $view)
    {
        parent::__construct($view);
        $this->pdo = $pdo;
    }

    public function index(Request $request, Response $response, $args)
    {
        $queryParams = $request->getQueryParams();

        // Get pagination parameters
        $page = max(1, (int)($queryParams['page'] ?? 1));
        $perPage = max(12, min(100, (int)($queryParams['per_page'] ?? 24)));

        // Get search parameters
        $search = trim($queryParams['search'] ?? '');

        // Get view mode
        $viewMode = $queryParams['view'] ?? 'grid'; // grid, list, covers

        // Get movies with pagination and search
        $movies = Movie::getAllWithPagination($this->pdo, $page, $perPage, $search);

        // Get total count for pagination
        $totalCount = Movie::getTotalCount($this->pdo, $search);

        // Calculate pagination info
        $totalPages = ceil($totalCount / $perPage);
        $hasNextPage = $page < $totalPages;
        $hasPrevPage = $page > 1;

        return $this->view->render($response, 'movies/index.twig', [
            'title' => 'Movies',
            'movies' => $movies,
            'pagination' => [
                'current_page' => $page,
                'per_page' => $perPage,
                'total_pages' => $totalPages,
                'total_items' => $totalCount,
                'has_next' => $hasNextPage,
                'has_prev' => $hasPrevPage,
                'next_page' => $page + 1,
                'prev_page' => $page - 1
            ],
            'search' => $search,
            'view_mode' => $viewMode,
            'view_modes' => ['grid', 'list', 'covers']
        ]);
    }

    public function show(Request $request, Response $response, $args)
    {
        $movieId = (int) $args['id'];

        // Get movie details
        $stmt = $this->pdo->prepare("
            SELECT m.*, s.display_name as source_name
            FROM movies m
            JOIN sources s ON m.source_id = s.id
            WHERE m.id = :id
        ");
        $stmt->execute(['id' => $movieId]);
        $movie = $stmt->fetch(\PDO::FETCH_ASSOC);

        if (!$movie) {
            return $response->withStatus(404);
        }

        // Decode metadata for display
        $metadata = json_decode($movie['metadata'], true);

        return $this->view->render($response, 'movies/show.twig', [
            'title' => $movie['title'],
            'movie' => $movie,
            'metadata' => $metadata
        ]);
    }
}