import 'dart:convert';
import 'dart:io';

import 'package:crypto/crypto.dart';
import 'package:dio/adapter.dart';
import 'package:dio/dio.dart';
import 'package:e2ee_chat/common/global.dart';

class Api {
  Api();

  static Dio dio = Dio(BaseOptions(
    baseUrl: 'http://10.122.237.112:80/',
  ));

  static init() async {
    if (!Global.isRelease) {
      (dio.httpClientAdapter as DefaultHttpClientAdapter).onHttpClientCreate =
          (client) {
        client.findProxy = (uri) {
          return "PROXY 10.122.237.112:8080";
        };
        //代理工具会提供一个抓包的自签名证书，会通不过证书校验，所以我们禁用证书校验
        client.badCertificateCallback =
            (X509Certificate cert, String host, int port) => true;
      };
    }

    // debug(await Dio().get('http://10.122.237.112:80/'));
  }

  Future<String?> login({required String username, String? password, String? token}) async {
    debug('Api login begin');
    String _password = "";
    String? _token;
    if (password != null) {
      var bytes = utf8.encode(password);
      var digest = sha1.convert(bytes);
      _password = digest.toString();
    }
    var data = {"username": username, "token": token ?? Global.emptyToken, "password": password};
    debug('Api login data: $data');
    try {
      var r = await dio.post("/account/login/", data: FormData.fromMap(data),
        // options: _options,
      );
      debug('Api login response: $r');
      var json = jsonDecode(r.data);
      _token = json["token"].toString();
      debug('Api login new token: $_token');
    } on DioError catch(e) {
      var data = e.response?.data;
      var status = e.response?.statusCode;
      debug('Api login error, statusCode: $status, data: $data');
      throw e;
    }
    debug('Api login end');
    return _token;
  }

  Future<bool> logout() async {
    try {
      await dio.post("/account/logout/");
      return true;
    } on DioError catch(e) {
      return false;
    }
  }

  Future<bool> register({required String username, required String password}) async {
    try {
      var data = {"username": username, "password": password, "password2": password};
      await dio.post('/account/register/', data: FormData.fromMap(data));
    } on DioError catch(e) {
      return false;
    }
    return true;
  }
}