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

import 'package:device_info/device_info.dart';
import 'package:dio/adapter.dart';
import 'package:dio/dio.dart';
import 'package:flutter/cupertino.dart';
import 'package:flutter/material.dart';
import '../../utils/des/des.dart';
import '../../utils/share_preference.dart';

import '../model/common/http_model.dart';
import '../ui/widget/dialog.dart';
import '../utils/app_util.dart';
import '../utils/encrypt_util.dart';
import '../utils/global.dart';
import '../utils/ui_utils.dart';

typedef OnHttpRequestFinish = void Function(HttpRequestResult result);

typedef OnHttpRequestStart = void Function();

showLoading(BuildContext context) {
  //先丢失焦点
  FocusScope.of(context).unfocus();
  //开启加载框
  DialogUtil.showDialog(context, LoadingDialog(""));
}

dismissDialog(BuildContext context) {
  Navigator.pop(context);
}

class HttpUtil {
  static AndroidDeviceInfo? _androidInfo;
  static IosDeviceInfo? _iosInfo;

  static _getSign(Map<String, dynamic> params) {
    List list = [];
    //签名
    params.forEach((key, value) {
      list.add("$key=$value");
    });
    //排序
    list.sort();
    String signStr = "";
    list.forEach((element) {
      signStr += element + "&";
    });

    if (signStr.endsWith("&")) {
      signStr = signStr.substring(0, signStr.length - 1);
    }

    signStr += "8888B&*@-uWan88/',@@^";

    return EncryptUtil.MD5(signStr);
  }

  static String _decode(String content) {
    String key = utf8.decode(base64Decode("VW1nT3R2WVk="));
    String iv = utf8.decode(base64Decode("WXlIeEhsY0o="));

    List<int> result =
        DES().decryptWithCBC(base64Decode(content), key.codeUnits, iv: iv);

    return utf8.decode(result);
  }

  static Future<Map<String, dynamic>> getBaseParams(
      Map<String, dynamic>? params) async {
    params ??= {};

    if (Platform.isIOS) {
      String finalParams =
          await dataMethodChannel.invokeMethod("getBaseRequestParams", params);
      return jsonDecode(finalParams);
    }
    if (Platform.isAndroid) {
      if (_androidInfo == null) {
        DeviceInfoPlugin deviceInfo = DeviceInfoPlugin();
        _androidInfo = await deviceInfo.androidInfo;
      }
      print("androidInfo：${_androidInfo!.version}");
      params["Version"] = (await AppUtil.getVersionCode()).toString();
    } else if (Platform.isIOS) {
      if (_iosInfo == null) {
        DeviceInfoPlugin deviceInfo = DeviceInfoPlugin();
        _iosInfo = await deviceInfo.iosInfo;
      }
      params["Version"] = "105";
    }

    //添加附加参数
    params["Timestamp"] = DateTime.now().millisecondsSinceEpoch.toString();
    params["Platform"] = "Android"; // Platform.isAndroid ? "Android" : "IOS";
    params["Package"] = "com.hanju.video";
    params["System"] = "1";
    Global.utdId = "testtest";
    Global.channel = "QQ";
    if (Platform.isAndroid) {
      if (Global.utdId != null) {
        params["UtdId"] = Global.utdId;
        params["Device"] = Global.utdId;
      }
      params["osVersion"] = _androidInfo!.version.release;
    } else if (Platform.isIOS) {
      params["Device"] = "test123123"; //_iosInfo!.identifierForVendor;
    }

    if (Global.channel != null) {
      params["Channel"] = Global.channel;
    }

    //青少年模式
    params["YouthMode"] = false;

    params["Sign"] = _getSign(params);

    return params;
  }

  static Future<HttpRequestResult> baseRequest(BuildContext context, String api,
      Map<String, dynamic> params, OnHttpRequestStart? onStart,
      {bool notifyError = false}) async {
    // params ??= {};
    params = await getBaseParams(params);

    if (onStart != null) {
      onStart();
    }
    HttpRequestResult requestResult;

    try {
      var dio = Dio()
        ..options = BaseOptions(
            baseUrl: "http://api.hanju.goxcw.com:8089/BuWan",
            connectTimeout: 20000,
            receiveTimeout: 1000 * 60,
            contentType: "application/x-www-form-urlencoded");
      //设置代理
      (dio.httpClientAdapter as DefaultHttpClientAdapter).onHttpClientCreate =
          (HttpClient client) {
        client.findProxy = (uri) {
          return 'PROXY 192.168.3.122:8888';
        };
        client.badCertificateCallback =
            (X509Certificate cert, String host, int port) => true;
      };

      // FormData formData = FormData.fromMap(params);
      var response = await dio.post(
        api,
        data: params,
        onSendProgress: (int sent, int total) {
          print('$sent $total');
        },
      );
      if (response.statusCode == HttpStatus.ok) {
        String result = response.data.toString();
        result = _decode(result);
        print("网络请求结果:$result");
        requestResult = HttpRequestResult(true, jsonDecode(result));
      } else {
        requestResult = HttpRequestResult(false, null, msg: "网络请求失败");
      }
    } on DioError catch (_) {
      if (_.type == DioErrorType.connectTimeout ||
          _.type == DioErrorType.receiveTimeout ||
          _.type == DioErrorType.sendTimeout) {
        requestResult = HttpRequestResult(false, null, msg: "网络请求超时");
      } else {
        requestResult = HttpRequestResult(false, null, msg: "网络请求出错");
      }
    } catch (e) {
      requestResult = HttpRequestResult(false, null, msg: "网络请求出错");
    }
    if (notifyError && !requestResult.success) {
      ToastUtil.toast(requestResult.msg!, context);
    }
    return requestResult;
  }
}