import 'dart:typed_data';

import 'package:flutter/services.dart';

/// Hasil penyimpanan file ke folder Download.
class SavedDownloadFile {
  final String uri;
  final String displayPath;

  const SavedDownloadFile({required this.uri, required this.displayPath});
}

/// Jembatan ke MediaStore Android untuk menyimpan file ke folder Download.
class MediaStoreService {
  static const MethodChannel _channel = MethodChannel('cashumit/media_store');

  /// Simpan [bytes] ke folder Download. Return null jika gagal.
  static Future<SavedDownloadFile?> saveToDownloads({
    required Uint8List bytes,
    required String fileName,
    String mimeType = 'image/png',
  }) async {
    try {
      final result = await _channel.invokeMapMethod<String, dynamic>(
        'saveToDownloads',
        {
          'bytes': bytes,
          'fileName': fileName,
          'mimeType': mimeType,
        },
      );
      if (result == null) return null;
      final uri = result['uri']?.toString() ?? '';
      final displayPath = result['displayPath']?.toString() ?? fileName;
      if (uri.isEmpty) return null;
      return SavedDownloadFile(uri: uri, displayPath: displayPath);
    } on PlatformException {
      return null;
    } on MissingPluginException {
      return null;
    }
  }

  /// Buka file hasil simpan (content URI atau path file).
  static Future<bool> openFile({
    String? uri,
    String? path,
    String mimeType = 'image/png',
  }) async {
    try {
      final result = await _channel.invokeMethod<bool>('openFile', {
        if (uri != null) 'uri': uri,
        if (path != null) 'path': path,
        'mimeType': mimeType,
      });
      return result ?? false;
    } on PlatformException {
      return false;
    } on MissingPluginException {
      return false;
    }
  }
}