<?php
require_once 'config.php';

// Vérifie la session
if (!isset($_SESSION['user_id'])) {
    header("Location: login.php");
    exit;
}

$article_id = $_GET['id'] ?? null;
if (!$article_id) {
    die("❌ Article introuvable.");
}

// Récupération des infos actuelles de l'article
$stmt = $pdo->prepare("SELECT * FROM posts WHERE id = ?");
$stmt->execute([$article_id]);
$post = $stmt->fetch();

if (!$post) {
    die("❌ Article non trouvé.");
}

// 🔄 Si on soumet le formulaire
if ($_SERVER['REQUEST_METHOD'] === 'POST') {
    $title = trim($_POST['title']);
    $content = trim($_POST['content']);
    $imageUrl = $post['image_url'];

    global $s3Client, $bucketName;

    // ✅ Suppression de la photo actuelle si demandé
    if (isset($_POST['remove_image'])) {
        if (!empty($post['image_url'])) {
            $oldKey = basename($post['image_url']);
            try {
                $s3Client->deleteObject([
                    'Bucket' => $bucketName,
                    'Key' => $oldKey
                ]);
            } catch (Exception $e) {
                echo "⚠️ Erreur suppression image : " . $e->getMessage();
            }
        }
        $imageUrl = null;
    }

    // ✅ Nouvelle image uploadée
    elseif (isset($_FILES['image']) && $_FILES['image']['error'] === UPLOAD_ERR_OK) {
        $fileName = time() . '_' . basename($_FILES['image']['name']);
        $tmpPath = $_FILES['image']['tmp_name'];

        try {
            $s3Client->putObject([
                'Bucket' => $bucketName,
                'Key' => $fileName,
                'SourceFile' => $tmpPath,
                'ACL' => 'public-read'
            ]);
            $imageUrl = "http://localhost:9000/$bucketName/$fileName";

            // Supprime l'ancienne image
            if (!empty($post['image_url'])) {
                $oldKey = basename($post['image_url']);
                $s3Client->deleteObject(['Bucket' => $bucketName, 'Key' => $oldKey]);
            }
        } catch (Exception $e) {
            echo "❌ Erreur upload : " . $e->getMessage();
            exit;
        }
    }

    // 🔄 Mise à jour SQL
    $stmt = $pdo->prepare("UPDATE posts SET title = ?, content = ?, image_url = ? WHERE id = ?");
    $stmt->execute([$title, $content, $imageUrl, $article_id]);

    header("Location: index.php");
    exit;
}
?>

<!DOCTYPE html>
<html lang="fr">
<head>
    <meta charset="UTF-8">
    <title>✏️ Modifier un article</title>
    <style>
        body {
            font-family: "Poppins", sans-serif;
            background: linear-gradient(120deg, #ffe0ec, #fff6f8);
            color: #333;
            margin: 0;
        }
        .container {
            max-width: 600px;
            margin: 80px auto;
            background: white;
            padding: 40px;
            border-radius: 15px;
            box-shadow: 0 6px 20px rgba(255, 100, 150, 0.2);
        }
        h2 {
            text-align: center;
            color: #ff6f91;
        }
        form {
            display: flex;
            flex-direction: column;
            gap: 15px;
        }
        label {
            font-weight: 600;
            color: #444;
        }
        input[type="text"], textarea {
            padding: 10px 15px;
            border: 1px solid #ddd;
            border-radius: 8px;
            font-size: 1em;
        }
        button {
            background: linear-gradient(45deg, #ff6f91, #ff9671, #ffc75f);
            color: white;
            font-weight: bold;
            padding: 12px;
            border: none;
            border-radius: 50px;
            cursor: pointer;
            transition: 0.3s;
        }
        button:hover {
            transform: translateY(-2px);
            box-shadow: 0 4px 12px rgba(255, 105, 135, 0.4);
        }
        img {
            width: 100%;
            border-radius: 10px;
        }
        .remove-check {
            display: flex;
            align-items: center;
            gap: 8px;
            font-size: 0.95em;
        }
        a.retour {
            display: block;
            text-align: center;
            color: #ff6f91;
            text-decoration: none;
            font-weight: bold;
            margin-top: 15px;
        }
        a.retour:hover {
            text-decoration: underline;
        }
    </style>
</head>
<body>
    <div class="container">
        <h2>✏️ Modifier un article</h2>

        <form method="POST" enctype="multipart/form-data">
            <label for="title">Titre :</label>
            <input type="text" id="title" name="title" value="<?= htmlspecialchars($post['title']) ?>" required>

            <label for="content">Contenu :</label>
            <textarea id="content" name="content" rows="6" required><?= htmlspecialchars($post['content']) ?></textarea>

            <?php if (!empty($post['image_url'])): ?>
                <label>Image actuelle :</label>
                <img src="<?= htmlspecialchars($post['image_url']) ?>" alt="Image actuelle">
                <div class="remove-check">
                    <input type="checkbox" name="remove_image" id="remove_image">
                    <label for="remove_image">Supprimer la photo actuelle</label>
                </div>
            <?php endif; ?>

            <label for="image">Nouvelle image (optionnel) :</label>
            <input type="file" name="image" id="image" accept="image/png, image/jpeg">

            <button type="submit">Mettre à jour</button>
        </form>

        <a href="dashboard.php" class="retour">⬅ Retour au tableau de bord</a>
    </div>
</body>
</html>


