import 'dart:async';
import 'dart:math';

import 'package:agile_pay/flutter_pay.dart';
import 'package:flutter/cupertino.dart';
import 'package:flutter/material.dart';
import 'package:flutter_screenutil/flutter_screenutil.dart';
import 'package:get/get.dart';
import 'package:injectable/injectable.dart';
import 'package:location/base/base_controller.dart';
import 'package:location/data/bean/goods_bean.dart';
import 'package:location/data/bean/pay_item_bean.dart';
import 'package:location/data/repositories/account_repository.dart';
import 'package:location/data/repositories/member_repository.dart';
import 'package:location/dialog/alipay_qr_code_dialog.dart';
import 'package:location/handler/error_handler.dart';
import 'package:location/module/login/login_page.dart';
import 'package:location/resource/assets.gen.dart';
import 'package:location/utils/async_util.dart';
import 'package:location/utils/common_expand.dart';
import 'package:location/utils/toast_util.dart';
import '../../data/api/response/request_pay_response.dart';
import '../../data/bean/member_status_info.dart';
import '../../data/bean/wechat_payment_sign_bean.dart';
import '../../data/consts/error_code.dart';
import '../../data/consts/payment_type.dart';
import '../../data/consts/web_url.dart';
import '../../dialog/common_confirm_dialog_impl.dart';
import '../../dialog/loading_dialog.dart';
import '../../dialog/member_retain_dialog.dart';
import '../../dialog/wechat_qr_code_dialog.dart';
import '../../handler/event_handler.dart';
import '../../resource/string.gen.dart';
import '../../utils/http_handler.dart';
import '../../utils/payment_status_manager.dart';
import '../../widget/animated_switcher_widget.dart';
import '../browser/browser_view.dart';
import 'member_evaluate_bean.dart';
import 'member_fun_bean.dart';

@injectable
class MemberController extends BaseController implements PaymentStatusCallback {
  final AccountRepository accountRepository;
  final MemberRepository memberRepository;
  final PaymentStatusManager paymentStatusManager;

  final switcherController = SwitcherController();

  final ScrollController scrollController = ScrollController();

  StreamController? _changeStreamController;
  final random = Random();

  final RxDouble _toolBarOpacity = 0.0.obs;

  double get toolBarOpacity => _toolBarOpacity.value;

  final List<String> _storeTypes = ['终身会员', '年度会员', '月度会员'];

  String? get phone => accountRepository.loginPhoneNum.value;

  bool get isLogin => accountRepository.isLogin.value;

  MemberStatusInfo? get memberStatusInfo =>
      accountRepository.memberStatusInfo.value;

  final RxList<GoodsBean> goodsList = <GoodsBean>[].obs;

  final Rxn<GoodsBean> _selectedGoods = Rxn<GoodsBean>();

  GoodsBean? get selectedGoods => _selectedGoods.value;

  final Rxn<PayItemBean> _selectedPayWay = Rxn<PayItemBean>();

  PayItemBean? get selectedPayWay => _selectedPayWay.value;

  final RxList<PayItemBean> payItemList = <PayItemBean>[].obs;

  CancelableFuture? _memberDataFuture;

  final List<MemberFunBean> funList = [
    MemberFunBean(1, Assets.images.iconMemberFun1.path,
        StringName.memberFunName1, StringName.memberFunName1Desc),
    MemberFunBean(2, Assets.images.iconMemberFun2.path,
        StringName.memberFunName2, StringName.memberFunName2Desc),
    MemberFunBean(3, Assets.images.iconMemberFun3.path,
        StringName.memberFunName3, StringName.memberFunName3Desc),
    MemberFunBean(4, Assets.images.iconMemberFun4.path,
        StringName.memberFunName4, StringName.memberFunName4Desc), //该功能还未开发
    MemberFunBean(5, Assets.images.iconMemberFun5.path,
        StringName.memberFunName5, StringName.memberFunName5Desc),
    MemberFunBean(6, Assets.images.iconMemberFun6.path,
        StringName.memberFunName6, StringName.memberFunName6Desc),
  ];

  final List<MemberEvaluateBean> evaluateList = [
    MemberEvaluateBean(1, Assets.images.iconEvaluate1.path, '用户189****7913',
        "上班没时间，远程遛娃，非常方便很好用。"),
    MemberEvaluateBean(2, Assets.images.iconEvaluate2.path, '用户177****2345',
        "这个功能太棒了！尤其是夜间出行时，一键报警让我感觉特别安心。"),
    MemberEvaluateBean(3, Assets.images.iconEvaluate3.path, '用户138****6789',
        "强烈推荐！我和家人经常用这个功能来共享位置，尤其是旅游时，走散了也不怕。"),
    MemberEvaluateBean(4, Assets.images.iconEvaluate4.path, '用户159****3456',
        "实时定位非常精准，用来监控孩子的行踪特别方便，再也不用担心他们乱跑了。"),
    MemberEvaluateBean(5, Assets.images.iconEvaluate5.path, '用户182****9012',
        "用来遛狗也很方便，再也不用担心狗狗跑丢了，真是个好工具！"),
  ];

  MemberController(
      this.accountRepository, this.memberRepository, this.paymentStatusManager);

  @override
  void onReady() async {
    super.onReady();
    _startAnimationSwitcher();
    scrollController.addListener(() {
      double offset = scrollController.offset;
      double opacity = offset / 100;
      if (opacity > 1) {
        opacity = 1;
      } else if (opacity < 0) {
        opacity = 0;
      }
      _toolBarOpacity.value = opacity;
    });
    refreshMemberData();
  }

  void _startAnimationSwitcher() {
    _changeStreamController = AsyncUtil.interval(
        (time) => changeSwitcherContent(), Duration(seconds: 3), -1);
  }

  Future<void> changeSwitcherContent() async {
    int userId = random.nextInt(10000);
    String userIdStr = userId.toString();
    int padLength = 4 - userIdStr.length;
    for (int i = 0; i < padLength; i++) {
      userIdStr = random.nextInt(10).toString() + userIdStr;
    }
    bool isHour = random.nextBool();
    String secondsOrHour;
    if (isHour) {
      secondsOrHour = "${1 + random.nextInt(8)}小时";
    } else {
      secondsOrHour = "${1 + random.nextInt(59)}分钟";
    }

    int index = random.nextInt(_storeTypes.length);
    switcherController.updateWidget(Row(
      mainAxisAlignment: MainAxisAlignment.center,
      children: [
        RichText(
            text: TextSpan(
                style: TextStyle(fontSize: 12.sp, color: Colors.white),
                children: [
              TextSpan(text: userIdStr),
              TextSpan(text: '用户 '),
              TextSpan(text: secondsOrHour),
              TextSpan(text: '前购买了'),
              TextSpan(
                  text: _storeTypes[index],
                  style: TextStyle(color: '#FFC95D'.color)),
            ]))
      ],
    ));
  }

  String getUserName(String phone) {
    if (phone.length > 4) {
      phone = phone.substring(phone.length - 4);
    }
    return '${StringName.mineAccountLoggedDesc}$phone';
  }

  void back() {
    Get.back();
  }

  void onLoginClick() {
    if (accountRepository.isLogin.value) {
      return;
    }
    LoginPage.start();
  }

  void refreshMemberData() {
    _memberDataFuture?.cancel();
    _memberDataFuture =
        AsyncUtil.retryWithExponentialBackoff(() => _requestMemberData(), 4);
    _memberDataFuture?.catchError((error) {
      ErrorHandler.toastError(error);
    });
  }

  Future<void> _requestMemberData() {
    return memberRepository.getMemberList().then((response) {
      goodsList.clear();
      payItemList.clear();
      _selectedGoods.value = null;
      if (response.goodsList?.isNotEmpty == true) {
        goodsList.addAll(response.goodsList!);
        _selectedGoods.value = goodsList.first;
      }
      if (response.payInfoList?.isNotEmpty == true) {
        payItemList.addAll(response.payInfoList!);
        _selectedPayWay.value = payItemList.first;
      }
    });
  }

  void onGoodsItemClick(GoodsBean item) {
    _selectedGoods.value = item;
  }

  void onPrivacyPolicyClick() {
    BrowserPage.start(WebUrl.privacyPolicy);
  }

  void onTermOfServiceClick() {
    BrowserPage.start(WebUrl.userAgreement);
  }

  void onPayWayItemClick(PayItemBean item) {
    _selectedPayWay.value = item;
  }

  void onPopBack() {
    if (accountRepository.memberIsExpired()) {
      showRetainDialog();
    } else {
      back();
    }
  }

  void showRetainDialog() {
    MemberRetainDialog.show(payClick: () {
      onBuyClick();
    }, cancelClick: () {
      back();
    });
  }

  void onBuyClick() {
    if (selectedGoods == null) {
      ToastUtil.show(StringName.memberPleaseChoiceGoods);
      return;
    }
    if (selectedPayWay == null) {
      ToastUtil.show(StringName.memberPleaseChoicePayment);
      return;
    }
    final buyGoods = selectedGoods!;
    final buyPayWay = selectedPayWay!;

    int goodsId = buyGoods.id;
    int payPlatform = buyPayWay.payPlatform;
    int payMethod = buyPayWay.payMethod;
    int payWayType =
        getPayWayType(payMethod: payMethod, payPlatform: payPlatform);

    LoadingDialog.show(StringName.payLoading);
    memberRepository
        .submitAndRequestPay(
            goodsId: goodsId, payPlatform: payPlatform, payMethod: payMethod)
        .then((response) {
      if (payWayType == PayWayType.paymentWayWechat) {
        _onWeChatPay(response.outTradeNo, response.wechatPayPrepayJson!,
            payMethod, buyGoods, buyPayWay);
      } else if (payWayType == PayWayType.paymentWayWechatScan) {
        _onWechatScanPay(response.outTradeNo, response.wechatPayQrcodeUrl!,
            buyPayWay, buyGoods);
      } else if (payWayType == PayWayType.paymentWayAlipay) {
        _onAliPay(response.outTradeNo, response.alipayOrderString!, payMethod,
            buyGoods, buyPayWay);
      } else if (payWayType == PayWayType.paymentWayAlipayScan) {
        _onAliScanPay(response.outTradeNo, response.alipayQrcodeHtml!,
            buyPayWay, buyGoods);
      } else {
        ToastUtil.show(StringName.payNotSupport);
      }
    }).catchError((error) {
      if (error is ServerErrorException) {
        if (error.code == ErrorCode.payOrderError) {
          refreshMemberData();
          ToastUtil.show(error.message);
        } else if (error.code == ErrorCode.noLoginError) {
          ToastUtil.show(StringName.accountNoLogin);
          LoginPage.start();
        } else {
          ToastUtil.show(error.message);
        }
      } else {
        ToastUtil.show(StringName.memberPaymentFailed);
      }
    }).whenComplete(() {
      LoadingDialog.hide();
    });
  }

  void _onAliScanPay(String outTradeNo, String qrHtml, PayItemBean paymentWay,
      GoodsBean goodsBean) {
    AlipayQrCodeDialog.show(
        qrCodeHtml: qrHtml,
        loadSuccessCallback: () {
          checkPaymentStatus(outTradeNo, paymentWay, goodsBean);
        },
        onCloseCallback: () async {
          //关闭后再持续查询几秒
          CustomLoadingDialog.show();
          await Future.delayed(Duration(seconds: 4));
          paymentStatusManager.removePollingSubscription(outTradeNo);
          CustomLoadingDialog.hide();
        });
  }

  void checkPaymentStatus(
      String orderNo, PayItemBean paymentWay, GoodsBean goodsBean,
      {String? receiptData}) {
    paymentStatusManager.registerPaymentSuccessCallback(orderNo, this);
    paymentStatusManager.checkPaymentStatus(orderNo, paymentWay, goodsBean,
        receiptData: receiptData);
  }

  void _onWeChatPay(String outTradeNo, String payJson, int payMethod,
      GoodsBean buyGoods, PayItemBean buyPayWay) {
    final bean = WechatPaymentSignBean.stringToBean(payJson);
    final payInfo = WechatPayInfo(
        appId: bean.appId,
        partnerId: bean.partnerId,
        prepayId: bean.prepayId,
        package: bean.package,
        noncestr: bean.nonceStr,
        timestamp: bean.timeStamp,
        sign: bean.sign);
    requestSdkPay(payInfo, outTradeNo, payMethod, buyGoods, buyPayWay);
  }

  void _onAliPay(String outTradeNo, String payJson, int payMethod,
      GoodsBean buyGoods, PayItemBean buyPayWay) {
    final payInfo = AliPayInfo(payJson);
    requestSdkPay(payInfo, outTradeNo, payMethod, buyGoods, buyPayWay);
  }

  void _onWechatScanPay(String outTradeNo, String qrCodeUrl,
      PayItemBean paymentWay, GoodsBean goodsBean) {
    WechatQrCodeDialog.show(
        qrCodeUrl: qrCodeUrl,
        loadSuccessCallback: () {
          checkPaymentStatus(outTradeNo, paymentWay, goodsBean);
        },
        onCloseCallback: () async {
          //关闭后再持续查询几秒
          CustomLoadingDialog.show();
          await Future.delayed(Duration(seconds: 4));
          paymentStatusManager.removePollingSubscription(outTradeNo);
          CustomLoadingDialog.hide();
        });
  }

  void requestSdkPay(dynamic payInfo, String outTradeNo, int payMethod,
      GoodsBean buyGoods, PayItemBean buyPayWay) {
    AgilePay.startPay(payInfo, success: (String? result) {
      LoadingDialog.show(StringName.payQuerypayState);
      checkPaymentStatus(outTradeNo, buyPayWay, buyGoods, receiptData: result);
    }, payError: (int error, String? errorMessage) {
      debugPrint('zk---payError: $error, $errorMessage');
      errorPayToast(error);
      errorEventReport(payMethod);
    }, error: (int errno, String? error) {
      debugPrint('zk---error: $errno, $error');
      errorPayToast(errno);
      errorEventReport(payMethod);
    });
  }

  void errorEventReport(int payMethod) {
    if (payMethod == PayMethod.wechat) {
      // EventHandler.report();
    } else if (payMethod == PayMethod.alipay) {
      // EventHandler.report();
    } else if (payMethod == PayMethod.apple) {
      // EventHandler.report();
    }
  }

  void errorPayToast(int errno) {
    if (errno == AgilePayCode.payCodeNotSupport) {
      ToastUtil.show(StringName.payNotSupport);
    } else if (errno == AgilePayCode.payCodeCancelError) {
      ToastUtil.show(StringName.payUserCancel);
    } else if (errno == AgilePayCode.payCodeWxEnvError) {
      ToastUtil.show(StringName.payWxEvnError);
    } else if (errno == AgilePayCode.payCodeNotConnectStore) {
      ToastUtil.show(StringName.payNotConnectStore);
    } else {
      ToastUtil.show(StringName.payError);
    }
  }

  @override
  void onClose() {
    super.onClose();
    _changeStreamController?.close();
    _memberDataFuture?.cancel();
    scrollController.dispose();
    paymentStatusManager.unregisterPaymentSuccessCallback(this);
  }

  @override
  void onPaymentSuccess(
      String orderNo, PayItemBean paymentWay, GoodsBean storeItemBean) {
    LoadingDialog.hide();

    showPaymentSuccessDialog(onConfirm: back, onCancel: back);
  }
}