/*
 * ====================================================
 * package   : 
 * author    : Created by nansi.
 * time      : 2019-07-19  14:17 
 * remark    : 
 * ====================================================
 */

import 'package:common_utils/common_utils.dart';
import 'package:flutter/material.dart';
import 'package:flutter_svg/flutter_svg.dart';
import 'package:flutter_union_pay/flutter_union_pay.dart';
import 'package:recook/base/base_store_state.dart';
import 'package:recook/manager/http_manager.dart';
import 'package:recook/manager/user_manager.dart';
import 'package:recook/models/PayInfoModel.dart';
import 'package:recook/models/alipay_order_model.dart';
import 'package:recook/models/base_model.dart';
import 'package:recook/models/order_prepay_model.dart';
import 'package:recook/models/pay_result_model.dart';
import 'package:recook/models/recook_fund_model.dart';
import 'package:recook/pages/home/classify/mvp/order_mvp/order_presenter_impl.dart';
import 'package:recook/pages/user/order/order_center_page.dart';
import 'package:recook/pages/user/order/order_detail_page.dart';
import 'package:recook/third_party/alipay/alipay_utils.dart';
import 'package:recook/third_party/wechat/wechat_utils.dart';
import 'package:recook/widgets/alert.dart';
import 'package:recook/widgets/custom_app_bar.dart';
import 'package:recook/constants/header.dart';
import 'package:recook/widgets/custom_image_button.dart';
import 'package:recook/widgets/keyboard/bottom_keyboard_widget.dart';
import 'package:recook/widgets/toast.dart';

class OrderPrepayPage extends StatefulWidget {
  final Map arguments;

  const OrderPrepayPage({Key key, this.arguments}) : super(key: key);

  static setArguments(OrderPrepayModel model, {bool goToOrder = false}) {
    return {"model": model, "goToOrder": goToOrder};
  }

  @override
  State<StatefulWidget> createState() {
    return _OrderPrepayPageState();
  }
}

class _OrderPrepayPageState extends BaseStoreState<OrderPrepayPage>
    with WidgetsBindingObserver {
  final GlobalKey<ScaffoldState> _scaffoldKey = GlobalKey<ScaffoldState>();

  OrderPresenterImpl _presenter;
  OrderPrepayModel _model;
  int _defaultPayIndex = 1;
  RecookFundModel _recookFundModel;

  /// 取消支付后是否跳转到订单界面，从预览订单进来的会调到订单，订单列表继续支付进来的只会pop
  bool _goToOrder;

  /// 用于辅助判断 app 从后台进入前台时，是否需要向后台验证订单状态
  bool _clickPay = false;
  BottomKeyBoardController _bottomKeyBoardController =
      BottomKeyBoardController();
//  @override
//  bool needStore() {
//    return true;
//  }

  @override
  void initState() {
    super.initState();
    FlutterUnionPay.listen((result) {
      switch (result.status) {
        case PaymentStatus.CANCEL:
          Toast.showError('银联取消支付');
          break;
        case PaymentStatus.SUCCESS:
          Toast.showSuccess('支付成功');
          break;
        case PaymentStatus.FAIL:
          Toast.showError('银联支付失败');
          break;
      }
    });
    UserManager.instance.setPassword.addListener(_setPassword);
    WidgetsBinding.instance.addObserver(this);
    _presenter = OrderPresenterImpl();
    _model = widget.arguments["model"];
    _goToOrder = widget.arguments["goToOrder"];
    _presenter
        .queryRecookPayFund(UserManager.instance.user.info.id)
        .then((HttpResultModel<RecookFundModel> model) {
      if (!model.result) {
        showError(model.msg);
        return;
      }
      setState(() {
        if (model.data.data.amount > _model.data.actualTotalAmount) {
          _defaultPayIndex = 0;
        }
        _recookFundModel = model.data;
      });
    });
  }

  _setPassword() {
    if (_recookFundModel != null) {
      _recookFundModel.data.havePassword = true;
    }
  }

  @override
  void dispose() {
    WidgetsBinding.instance.removeObserver(this);
    UserManager.instance.setPassword.removeListener(_setPassword);
    super.dispose();
  }

  @override
  void didChangeAppLifecycleState(AppLifecycleState state) {
    DPrint.printf(state);
    if (state == AppLifecycleState.resumed) {
      DPrint.printf("app 进入前台了");
      _verifyPayStatus();
      _clickPay = false;
    }
  }

  @override
  Widget buildContext(BuildContext context, {store}) {
    return WillPopScope(
      child: Scaffold(
        key: _scaffoldKey,
        appBar: CustomAppBar(
          themeData: AppThemes.themeDataGrey.appBarTheme,
          title: "订单支付",
        ),
        backgroundColor: AppColor.frenchColor,
        body: _buildBody(context),
      ),
      onWillPop: () {
        Alert.show(
            context,
            NormalTextDialog(
              type: NormalTextDialogType.delete,
              title: "确认要离开收银台?",
              content: "您的订单在生成后20分钟内未支付将被取消，请尽快完成支付。",
              items: ["继续支付"],
              listener: (index) {
                Alert.dismiss(context);
              },
              deleteItem: "确认离开",
              deleteListener: () {
                _updateUserBrief();
                Alert.dismiss(context);
                if (_goToOrder) {
                  AppRouter.pushAndReplaced(
                      globalContext, RouteName.ORDER_DETAIL,
                      arguments: OrderDetailPage.setArguments(_model.data.id));
                  return;
                }
                Navigator.pop(context);
              },
            ));
        return Future.value(false);
      },
    );
  }

  ListView _buildBody(BuildContext context) {
    return ListView(
      children: <Widget>[
        _priceView(),
        Text(
          "创建时间: ${_model.data.createdAt}",
          textAlign: TextAlign.center,
          style: AppTextStyle.generate(ScreenAdapterUtils.setSp(15),
              color: Colors.grey),
        ),
        Container(
          height: rSize(50),
        ),
        _payTile(
            "",
            SvgPicture.asset(
              AppSvg.svg_balance_pay,
              width: rSize(30),
              height: rSize(30),
            ),
            0,
            widgetTitle: RichText(
              text: TextSpan(
                  text: "余额支付 ",
                  style: AppTextStyle.generate(ScreenAdapterUtils.setSp(17)),
                  children: [
                    TextSpan(
                        style: AppTextStyle.generate(
                            ScreenAdapterUtils.setSp(14),
                            color: Colors.grey),
                        text:
                            "(可用余额: ￥${_recookFundModel == null ? "--" : _recookFundModel.data.amount})")
                  ]),
            ),
            enable: _recookFundModel != null &&
                (_recookFundModel.data.amount >=
                    _model.data.actualTotalAmount)),
        _payTile(
            "微信支付",
            Icon(
              AppIcons.icon_pay_wechat,
              color: Color.fromARGB(255, 67, 170, 97),
            ),
            1),
        _payTile(
            "支付宝支付",
            Icon(
              AppIcons.icon_pay_alipay,
              color: Color.fromARGB(255, 17, 142, 228),
            ),
            2),
        _payTile(
            "云闪付支付",
            Image.asset(
              R.ASSETS_UNION_PAY_PNG,
              height: rSize(30),
            ),
            3),
        Container(
          margin:
              EdgeInsets.symmetric(horizontal: rSize(40), vertical: rSize(150)),
          child: CustomImageButton(
            title: "确认支付",
            fontSize: ScreenAdapterUtils.setSp(16),
            padding: EdgeInsets.symmetric(vertical: rSize(8)),
            borderRadius: BorderRadius.all(Radius.circular(10)),
            backgroundColor: AppColor.themeColor,
            color: Colors.white,
            onPressed: () {
              _submit();
            },
          ),
        )
      ],
    );
  }

  Container _priceView() {
    return Container(
      margin: EdgeInsets.symmetric(vertical: 20),
      child: RichText(
          textAlign: TextAlign.center,
          text: TextSpan(
              style: AppTextStyle.generate(ScreenAdapterUtils.setSp(22),
                  fontWeight: FontWeight.w500),
              text: "￥",
              children: [
                TextSpan(
                    style: AppTextStyle.generate(ScreenAdapterUtils.setSp(33),
                        fontWeight: FontWeight.w500),
                    text: _model.data.actualTotalAmount.toString())
              ])),
    );
  }

  _payTile(String title, Widget icon, int index,
      {Widget widgetTitle, bool enable = true}) {
    return CustomImageButton(
      padding: EdgeInsets.zero,
      child: Padding(
        padding: EdgeInsets.only(left: rSize(15)),
        child: Row(
          children: <Widget>[
            icon,
            Expanded(
              child: Container(
                padding: EdgeInsets.only(
                    top: rSize(17), bottom: rSize(17), right: rSize(15)),
                decoration: BoxDecoration(
                    border: Border(
                        bottom:
                            BorderSide(color: Colors.grey[400], width: 0.5))),
                margin: EdgeInsets.only(left: rSize(15)),
                child: Row(
                  children: <Widget>[
                    widgetTitle ??
                        Text(
                          title,
                          style: AppTextStyle.generate(
                              ScreenAdapterUtils.setSp(17)),
                        ),
                    Spacer(),
                    Icon(
                      _defaultPayIndex == index
                          ? AppIcons.icon_check_circle
                          : AppIcons.icon_circle,
                      color: _defaultPayIndex == index
                          ? AppColor.themeColor
                          : Colors.grey[300],
                      size: rSize(20),
                    )
                  ],
                ),
              ),
            ),
          ],
        ),
      ),
      onPressed: !enable
          ? null
          : () {
              setState(() {
                _defaultPayIndex = index;
              });
            },
    );
  }

  _submit() {
    showLoading("");
    if (_model.data.actualTotalAmount == 0) {
      // _zeroPay();
      // _recookPay();
      _submitPassword();
      return;
    }

    _clickPay = true;
    switch (_defaultPayIndex) {
      case 0:
        // _recookPay();
        _submitPassword();
        break;
      case 1:
        _weChatPay(context);
        break;
      case 2:
        _aliPay(context);
        break;
      case 3:
        _unionPay(context);
        break;
    }
  }

  _zeroPay() async {
    HttpResultModel<BaseModel> resultModel = await _presenter
        .createZeroPayOrder(UserManager.instance.user.info.id, _model.data.id);
    if (!resultModel.result) {
      showError(resultModel.msg);
      return;
    }
    _updateUserBrief();
    showSuccess("订单支付成功").then((value) {
      AppRouter.pushAndReplaced(globalContext, RouteName.ORDER_LIST_PAGE,
          arguments: OrderCenterPage.setArguments(2));
    });
  }

  _aliPay(BuildContext context) async {
    HttpResultModel<AlipayOrderModel> resultModel = await _presenter
        .createAliPayOrder(UserManager.instance.user.info.id, _model.data.id);
    dismissLoading();
    if (!resultModel.result) {
      GSDialog.of(context).showError(context, resultModel.msg);
      return;
    }
    AliPayUtils.callAliPay(resultModel.data.data.orderString);
  }

  _weChatPay(BuildContext context) async {
    HttpResultModel<PayInfoModel> resultModel = await _presenter
        .createWeChatOrder(UserManager.instance.user.info.id, _model.data.id);
    GSDialog.of(context).dismiss(context);
    if (!resultModel.result) {
      GSDialog.of(context).showError(context, resultModel.msg);
      return;
    }
    PayInfoModel wxPayModel = resultModel.data;
    WeChatUtils.pay(
        appId: wxPayModel.payInfo.appid,
        partnerId: wxPayModel.payInfo.partnerid,
        prepayId: wxPayModel.payInfo.prepayid,
        packageValue: wxPayModel.payInfo.package,
        nonceStr: wxPayModel.payInfo.noncestr,
        timeStamp: int.parse(wxPayModel.payInfo.timestamp),
        sign: wxPayModel.payInfo.sign,
        listener: (WXPayResult result) {});
  }

  _unionPay(BuildContext context) async {
    ResultData resultData =
        await HttpManager.post("/v1/pay/unionpay/order/create", {
      "orderId": _model.data.id,
      "userId": UserManager.instance.user.info.id,
    });
    dismissLoading();
    if (!TextUtil.isEmpty(resultData?.data['data']['tn'] ?? null)) {
      FlutterUnionPay.pay(
        tn: resultData?.data['data']['tn'],
        mode: AppConfig.debug ? PaymentEnv.DEVELOPMENT : PaymentEnv.PRODUCT,
        scheme: "RecookUnionPay",
      );
    }
  }

  // 密码支付
  _submitPassword() {
    dismissLoading();
    if (!_recookFundModel.data.havePassword) {
      // if (true) {
      //未设置密码 先设置密码
      // 创建密码
      Alert.show(
          context,
          NormalTextDialog(
            type: NormalTextDialogType.delete,
            // title: "支付密码",
            content: "您当前未设置支付密码,请先设置 支付密码,或更换支付方式。",
            items: ["更换支付方式"],
            listener: (index) {
              Alert.dismiss(context);
            },
            deleteItem: "设置密码",
            deleteListener: () {
              Alert.dismiss(context);
              AppRouter.push(context, RouteName.USER_SET_PASSWORD_VARCODE);
            },
          ));

      // AppRouter.push(context, RouteName.USER_SET_PASSWORD);
    } else {
      //输入密码
      _showPasswordBottomSheet();
    }
  }

  _showPasswordBottomSheet() {
    bool forgetPassword = false;
    showModalBottomSheet(
      isScrollControlled: true,
      context: context,
      builder: (BuildContext context) {
        return SizedBox(
          height: 220.0 + 190.0,
          child: BottomKeyBoardWidget(
            controller: _bottomKeyBoardController,
            close: () {
              Navigator.pop(context);
            },
            passwordReturn: (password) {
              _recookPay(password);
            },
            forgetPassword: () {
              Navigator.pop(context);
              forgetPassword = true;
            },
          ),
        );
        // return BottomKeyBoardWidget(
        //   close: (){
        //     Navigator.pop(context);
        //   },
        //   passwordReturn: (password){
        //     // Navigator.pop(context);
        //     // DPrint.printf(password);
        //     // showError(password);
        //     _recookPay(password);
        //   },
        //   forgetPassword: (){
        //     Navigator.pop(context);
        //     forgetPassword = true;
        //   },
        // );
      },
    ).then((val) {
      if (mounted) {
        if (forgetPassword) {
          AppRouter.push(context, RouteName.USER_SET_PASSWORD_VARCODE);
          // AppRouter.push(context, RouteName.USER_SET_PASSWORD);
        }
      }
    });
  }

  _recookPay(password) async {
    showLoading("");
    HttpResultModel<BaseModel> resultModel =
        await _presenter.createRecookPayOrder(
            UserManager.instance.user.info.id, _model.data.id, password);
    dismissLoading();
    if (!resultModel.result) {
      _bottomKeyBoardController.clearPassWord();
      showError(resultModel.msg, duration: Duration(milliseconds: 2000));
      return;
    }
    UserManager.instance.refreshShoppingCart.value = true;
    Navigator.pop(context);
    _updateUserBrief();
    showSuccess("订单支付成功").then((value) {
      AppRouter.pushAndReplaced(globalContext, RouteName.ORDER_LIST_PAGE,
          arguments: OrderCenterPage.setArguments(2));
    });
  }

  _verifyPayStatus() async {
    GSDialog.of(_scaffoldKey.currentContext)
        .showLoadingDialog(_scaffoldKey.currentContext, "正在验证订单...");

    await Future.delayed(Duration(seconds: 1));

    HttpResultModel<PayResult> resultModel =
        await _presenter.verifyOrderPayStatus(_model.data.id);

    GSDialog.of(_scaffoldKey.currentContext)
        .dismiss(_scaffoldKey.currentContext);

    if (!resultModel.result) {
      GSDialog.of(_scaffoldKey.currentContext)
          .showError(_scaffoldKey.currentContext, resultModel.msg);
      return;
    }

    if (resultModel.data.status == 0) {
//      Navigator.popUntil(context, ModalRoute.withName(RouteName.ORDER_LIST_PAGE));
      if (_goToOrder) {
        AppRouter.pushAndReplaced(globalContext, RouteName.ORDER_DETAIL,
            arguments: OrderDetailPage.setArguments(_model.data.id));
      } else {
        Navigator.pop(context);
      }
      return;
    }
    UserManager.instance.refreshShoppingCart.value = true;
    _updateUserBrief();
    AppRouter.pushAndReplaced(globalContext, RouteName.ORDER_LIST_PAGE,
        arguments: OrderCenterPage.setArguments(2));
  }

  _updateUserBrief() {
    UserManager.instance.updateUserBriefInfo(getStore());
  }
}