<?php

declare(strict_types=1);

define('BASE_PATH', realpath(__DIR__ . '/../'));

require_once BASE_PATH . '/src/db.php';
require_once BASE_PATH . '/src/PostManager.php';
require_once BASE_PATH . '/src/FileManager.php';

$action = $_GET['action'] ?? 'list';
$id = isset($_GET['id']) ? (int) $_GET['id'] : null;

$postManager = new PostManager($db);
$fileManager = new FileManager($db, __DIR__ . '/assets/uploads');


// Gérer les accès
// les fonctions create, delete, edit doit être autorisée aux personnes dont les roles leur permette


// Afficher la bonne page
switch ($action) {
    case 'create':
        $title = $_POST['title'] ?? '';
        $content = $_POST['content'] ?? '';
        $published_at = $_POST['published_at'] ?? date('Y-m-d H:i:s');
        $published_at = str_replace('T', ' ', $published_at); // conversion HTML -> SQL
        $errors = [];

        if ($_SERVER['REQUEST_METHOD'] === 'POST') {
            if (trim($title) === '') {
                $errors[] = 'Le titre est obligatoire.';
            }

            if (empty($errors)) {
                $postId = $postManager->create($title, $content, $published_at);

                if (!empty($_FILES['files']['name'][0])) {
                    foreach ($_FILES['files']['tmp_name'] as $i => $tmpName) {
                        if ($_FILES['files']['error'][$i] === UPLOAD_ERR_OK) {
                            $file = [
                                'name' => $_FILES['files']['name'][$i],
                                'type' => $_FILES['files']['type'][$i],
                                'tmp_name' => $_FILES['files']['tmp_name'][$i],
                                'error' => $_FILES['files']['error'][$i],
                                'size' => $_FILES['files']['size'][$i],
                            ];
                            $fileManager->upload($postId, $file);
                        }
                    }
                }

                header('Location: route.php');
                exit;
            }
        }

        $formAction = 'route.php?action=create';
        $action = 'create';
        include BASE_PATH . '/templates/post_form.php';
        break;

    case 'view':
        if (!$id) {
            echo 'ID manquant.';
            exit;
        }

        $post = $postManager->get($id);
        if (!$post) {
            echo 'Post introuvable.';
            exit;
        }

        include __DIR__ . '/../templates/post_view.php';
        break;

    case 'delete':
        if ($id) {
            $postManager->delete($id);
        }
        header('Location: route.php');
        exit;

    case 'edit':
        if (!$id) {
            echo 'ID manquant.';
            exit;
        }

        $post = $postManager->get($id);
        if (!$post) {
            echo 'Post introuvable.';
            exit;
        }

        $title = $_POST['title'] ?? $post['title'];
        $content = $_POST['content'] ?? $post['content'];
        $published_at = $_POST['published_at'] ?? date('Y-m-d\TH:i', strtotime($post['created_at']));
        $published = isset($_POST['published']) ? true : $post['is_published'];
        $errors = [];

        if ($_SERVER['REQUEST_METHOD'] === 'POST') {
            if (trim($title) === '') {
                $errors[] = 'Le titre est obligatoire.';
            }

            if (empty($errors)) {
                $published_at_sql = str_replace('T', ' ', $_POST['published_at']);
                $postManager->update($id, $title, $content, $published_at_sql, $published);

                if (!empty($_FILES['files']['name'][0])) {
                    foreach ($_FILES['files']['tmp_name'] as $i => $tmpName) {
                        if ($_FILES['files']['error'][$i] === UPLOAD_ERR_OK) {
                            $file = [
                                'name' => $_FILES['files']['name'][$i],
                                'type' => $_FILES['files']['type'][$i],
                                'tmp_name' => $_FILES['files']['tmp_name'][$i],
                                'error' => $_FILES['files']['error'][$i],
                                'size' => $_FILES['files']['size'][$i],
                            ];
                            $fileManager->upload($id, $file);
                        }
                    }
                }

                header("Location: route.php?action=view&id=$id");
                exit;
            }
        }

        $formAction = "route.php?action=edit&id=$id";
        $action = 'edit';
        include BASE_PATH . '/templates/post_form.php';
        break;

    case 'legal':
        include BASE_PATH . '/templates/legal.php';
        break;

    case 'licenses':
        include BASE_PATH . '/templates/licenses.php';
        break;

    case 'list':
    default:
        $posts = $postManager->getAll();
        include BASE_PATH . '/templates/post_list.php';
        break;
}