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

header('Content-Type: application/json');

uploadLog("🚀 [EgyptDocuments/uploadEgyptIdBack.php] Egyptian ID back upload started.");

$driverID = filterRequest("driverID");
if (empty($driverID)) {
    uploadLog("❌ Missing driverID parameter.", 'ERROR');
    jsonError("driverID is required.");
    exit;
}

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');
    jsonError("Image upload failed");
    exit;
}

$image_file = $_FILES['image'];
$allowed_extensions = ['jpg', 'jpeg', 'png'];

// Get file information
$image_name = $image_file['name'];
$image_size = $image_file['size'];
$image_extension = strtolower(pathinfo($image_name, PATHINFO_EXTENSION));

// Validate file extension
if (!in_array($image_extension, $allowed_extensions, true)) {
    uploadLog("❌ Invalid image format extension: .$image_extension", 'ERROR');
    jsonError("Invalid image format");
    exit;
}

// Validate MIME type
$finfo = finfo_open(FILEINFO_MIME_TYPE);
$mime_type = finfo_file($finfo, $image_file['tmp_name']);
finfo_close($finfo);

$allowed_mime_types = ['image/jpeg', 'image/png', 'image/jpg'];
if (!in_array($mime_type, $allowed_mime_types, true)) {
    uploadLog("❌ Invalid MIME type: $mime_type", 'ERROR');
    jsonError("Invalid image format (MIME mismatch)");
    exit;
}

// Generate a unique filename using driverID
$new_filename = $driverID . '.' . $image_extension;

// Set target directory for uploads
$target_dir = __DIR__ . "/card_image/";
if (!is_dir($target_dir)) {
    mkdir($target_dir, 0755, true);
}

// Construct target file path
$target_file = $target_dir . $new_filename;

// Move the image file to the target location
if (!move_uploaded_file($image_file['tmp_name'], $target_file)) {
    uploadLog("❌ Failed to save image to target file: $target_file", 'ERROR');
    jsonError("Failed to save image");
    exit;
}

// Resolve dynamic URL
$host = $_SERVER['HTTP_HOST'] ?? 'api.siromove.com';
$protocol = (!empty($_SERVER['HTTPS']) && $_SERVER['HTTPS'] !== 'off') ? "https" : "http";
$image_url = "$protocol://$host/siro/EgyptDocuments/card_image/" . $new_filename;

uploadLog("✅ Egypt ID back uploaded successfully. URL: $image_url");

printSuccess([
    "status" => "success",
    "url" => $image_url,
    "file_link" => $image_url,
    "image_url" => $image_url
]);
?>
