<?php
header('Content-Type: application/json');
require_once __DIR__ . '/../db/config.php';

$data = json_decode(file_get_contents('php://input'), true);

if (!$data || empty($data['image'])) {
    echo json_encode(['success' => false, 'error' => 'No image data provided']);
    exit;
}

try {
    $img_data = $data['image'];
    $img_data = str_replace('data:image/png;base64,', '', $img_data);
    $img_data = str_replace(' ', '+', $img_data);
    $decoded_data = base64_decode($img_data);

    $filename = 'assets/images/pexels/edited_' . md5(uniqid()) . '.png';
    $target = __DIR__ . '/../' . $filename;

    if (!is_dir(__DIR__ . '/../assets/images/pexels/')) {
        mkdir(__DIR__ . '/../assets/images/pexels/', 0775, true);
    }

    if (file_put_contents($target, $decoded_data)) {
        // Save to database
        $stmt = db()->prepare("INSERT INTO media_history (type, prompt, result_url) VALUES (?, ?, ?)");
        $stmt->execute(['photo', 'Edited in Nano Editor', $filename]);

        echo json_encode([
            'success' => true, 
            'url' => $filename,
            'message' => 'Сохранено в галерее!'
        ]);
    } else {
        echo json_encode(['success' => false, 'error' => 'Failed to save image file']);
    }
} catch (Exception $e) {
    echo json_encode(['success' => false, 'error' => $e->getMessage()]);
}