import 'dart:io';

import 'package:http/http.dart' as http;
import 'package:http_parser/http_parser.dart';

class GcsService {
  // ========================================
  // ======== GCS GOOGLE API SERVICE ========

  static const GCS_GOOGLE_BASE_URI = "https://storage.googleapis.com";
  static const GCS_GOOGLE_UPLOAD_ENDPOINT = "/upload/storage/v1/b/";
  static const GET_BUCKET_STS_GOOGLE_ENDPOINT =
      "/api.GcsApi/GetBucketSTSGoogle";

  Future<bool> uploadImage(String token, String bucketName, String resourceName,
      String fileName, File file) async {
    var headersData = {
      "Authorization": "Bearer $token",
      "Content-Type": "image/png",
    };
    var paramsData = {
      'uploadType': 'multipart/related; boundary=image/png',
      'name': "$resourceName$fileName",
    };

    var uploadURI = "$GCS_GOOGLE_BASE_URI$GCS_GOOGLE_UPLOAD_ENDPOINT";

    var query = paramsData.entries.map((p) => '${p.key}=${p.value}').join('&');

    var request = http.MultipartRequest(
        "POST", Uri.parse("$uploadURI$bucketName/o?$resourceName$query"));

    request.headers.addAll(headersData);
    request.files.add(await http.MultipartFile.fromPath(fileName, file.path,
        contentType: MediaType('image', 'png')));

    var response = await request.send();
    if (response.statusCode != 200) {
      throw Exception('Failed to upload image.');
    }

    return response.statusCode == 200;
  }
}