<?php
/**
 * upload_document.php
 * الغرض: رفع صورة وثيقة فقط وإرجاع رابطها (بدون ذكاء صناعي)
 */

require_once __DIR__ . '/../../connect.php';

uploadLog("🚀 [uploadDocSyria.php] Document upload script started.");

$driverId = trim((string) filterRequest("driver_id"));
$type     = trim((string) filterRequest("type"));

// ✅ التحقق من الحقول الاختيارية
if ($driverId === "") { $driverId = "unknown"; }
if ($type === "")     { $type     = "generic"; }

uploadLog("📥 Request parameters: driver_id=$driverId, type=$type");

// ✅ التحقق من ملف الصورة
if (isset($_FILES['image'])) {
    uploadLog("$_FILES['image'] metadata", 'INFO', [
        'name' => $_FILES['image']['name'] ?? 'unknown',
        'type' => $_FILES['image']['type'] ?? 'unknown',
        'size' => $_FILES['image']['size'] ?? 0,
        'upload_error_code' => $_FILES['image']['error'] ?? UPLOAD_ERR_OK
    ]);
} else {
    uploadLog("No 'image' file was sent in the request.", 'WARNING');
}

if (!isset($_FILES['image']) || $_FILES['image']['error'] !== UPLOAD_ERR_OK) {
    $err = $_FILES['image']['error'] ?? 'missing_file';
    uploadLog("❌ File upload validation failed. Code: $err", 'ERROR');
    error_log("Upload error: Image not provided or upload failed.");
    jsonError("Image upload failed");
    exit;
}

$file = $_FILES['image'];

// ✅ السماح بالامتدادات الشائعة + فحص MIME الحقيقي
$allowedExt  = ['jpg', 'jpeg', 'png'];
$extension   = strtolower(pathinfo($file['name'], PATHINFO_EXTENSION));
if (!in_array($extension, $allowedExt, true)) {
    uploadLog("❌ Unsupported file extension: $extension", 'ERROR');
    error_log("Unsupported file extension: $extension");
    jsonError("Unsupported file type");
    exit;
}

// فحص نوع المحتوى الفعلي (أكثر أماناً)
$finfo = new finfo(FILEINFO_MIME_TYPE);
$mime  = $finfo->file($file['tmp_name']) ?: 'application/octet-stream';
$allowedMime = ['image/jpeg', 'image/png'];
if (!in_array($mime, $allowedMime, true)) {
    error_log("Unsupported MIME type: $mime");
    jsonError("Unsupported image MIME type");
    exit;
}

// (اختياري) حد أقصى للحجم 10MB
$maxBytes = 10 * 1024 * 1024;
if ($file['size'] > $maxBytes) {
    error_log("Image too large: {$file['size']} bytes");
    jsonError("Image too large (max 10MB)");
    exit;
}

// 📁 مسارات الحفظ
$uploadDir  = "../uploads/documents/";
if (!is_dir($uploadDir)) {
    if (!mkdir($uploadDir, 0755, true) && !is_dir($uploadDir)) {
        error_log("Failed to create upload directory: $uploadDir");
        jsonError("Server error: cannot create upload directory");
        exit;
    }
}


$baseName   = "driver_{$type}_{$driverId}";
$uniqueName = $baseName . "." . $extension;
$uploadPath = $uploadDir . $uniqueName;

// ⬆️ نقل الملف
if (!move_uploaded_file($file['tmp_name'], $uploadPath)) {
    error_log("Failed to move uploaded file to $uploadPath");
    jsonError("Failed to move uploaded image");
    exit;
}

// 🔒 منع التنفيذ لو رُفع PHP بالخطأ
@chmod($uploadPath, 0644);

// 🌐 توليد BASE_URL آمن (يدعم ENV أو يعتمد على المضيف الحالي)
if (!defined('BASE_URL')) {
    $APP_BASE_URL = rtrim(getenv('APP_BASE_URL') ?: '', '/');
    if ($APP_BASE_URL === '') {
        $scheme = isset($_SERVER['REQUEST_SCHEME']) ? $_SERVER['REQUEST_SCHEME'] : ((isset($_SERVER['HTTPS']) && $_SERVER['HTTPS'] !== 'off') ? 'https' : 'http');
        $host   = $_SERVER['HTTP_HOST'] ?? 'localhost';
        define('BASE_URL', $scheme . '://' . $host);
    } else {
        define('BASE_URL', $APP_BASE_URL);
    }
}

// ⚙️ مسار الرابط العام (عدّل المسار حسب نشر مشروعك)
$publicPath = "/siro/auth/uploads/documents/" . $uniqueName;
$imageUrl   = rtrim(BASE_URL, '/') . $publicPath;

// ✅ نتيجة نهائية: فقط رابط الصورة وبعض البيانات المفيدة
uploadLog("✅ Document upload succeeded. URL: $imageUrl");
printSuccess([
    $imageUrl,
]);