import 'package:dio/dio.dart';
import 'package:flutter/cupertino.dart';
import 'package:flutter/material.dart';
import 'package:flutter/services.dart';
import 'package:flutter_baidu_mapapi_base/flutter_baidu_mapapi_base.dart';
import 'package:flutter_baidu_mapapi_utils/flutter_baidu_mapapi_utils.dart';
import 'package:fluwx/fluwx.dart';
import 'package:huixiang/generated/l10n.dart';
import 'package:huixiang/retrofit/data/address.dart';
import 'package:huixiang/retrofit/data/base_data.dart';
import 'package:huixiang/retrofit/data/down_order.dart';
import 'package:huixiang/retrofit/data/placeOrderFirst.dart';
import 'package:huixiang/retrofit/data/settleOrderInfo.dart';
import 'package:huixiang/retrofit/data/settlement_bean.dart';
import 'package:huixiang/retrofit/data/shoppingCart.dart';
import 'package:huixiang/retrofit/data/store_info.dart';
import 'package:huixiang/retrofit/data/wx_pay.dart';
import 'package:huixiang/retrofit/min_api.dart';
import 'package:huixiang/settlement/settlement_view/activity_coupon_remarks.dart';
import 'package:huixiang/settlement/settlement_view/distribution.dart';
import 'package:huixiang/settlement/settlement_view/edit_phone.dart';
import 'package:huixiang/settlement/settlement_view/pay_method.dart';
import 'package:huixiang/settlement/settlement_view/settlement_activity.dart';
import 'package:huixiang/settlement/settlement_view/settlement_coupon.dart';
import 'package:huixiang/settlement/settlement_view/settlement_order_commodity.dart';
import 'package:huixiang/utils/font_weight.dart';
import 'package:huixiang/utils/min.dart';
import 'package:huixiang/view_widget/my_appbar.dart';
import 'package:huixiang/view_widget/round_button.dart';
import 'package:shared_preferences/shared_preferences.dart';
import 'package:flutter_screenutil/flutter_screenutil.dart';

class Settlement extends StatefulWidget {
  final arguments;

  Settlement({this.arguments});

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

class _Settlement extends State<Settlement> {
  MinApiService minService;
  Function(int type) callback;
  StoreInfo storeInfo;
  ShoppingCart shopCarGoods;
  SettleOrderInfo settleOrderInfo;
  int selectedBtn = 0;
  String remakers = "";
  int payChannel = 4;
  String tableId = "0";

  Address address;
  CouponListBean couponListBean;
  PromotionInfoListBean promotion;
  String mobile;

  @override
  void initState() {
    super.initState();
    storeInfo = widget.arguments["storeInfo"];
    shopCarGoods = widget.arguments["shoppingCart"];

    SharedPreferences.getInstance().then((value) {
      String minToken = value.getString("minToken");
      String tenant = value.getString("tenant");
      String storeId = value.getString("storeId");
      minService = MinApiService(
        Dio(),
        context: context,
        token: minToken,
        tenant: tenant,
        storeId: storeId,
      );
      queryOrderInfo(null, selectedBtn, null, 0, null);
    });
  }

  ///订单结算信息
  queryOrderInfo(
      addressId, isTake, memberCouponId, orderId, promotionId) async {
    BaseData<SettleOrderInfo> baseData = await minService.getOrderInfo({
      "addressId": addressId,
      "isTake": isTake,
      "memberCouponId": memberCouponId,
      "orderId": orderId,
      "promotionId": promotionId
    }).catchError((error){});
    if (baseData != null && baseData.isSuccess) {
      setState(() {
        settleOrderInfo = baseData.data;
      });
    }
  }

  queryAddress(int selectedBtn) async {
    this.selectedBtn = selectedBtn;
    if (address != null) {
      queryOrderInfo(address.id, selectedBtn, null, 0, null);
      return;
    }
    BaseData<List<Address>> baseDate =
        await minService.queryAddress().catchError((error) {});

    BMFCoordinate bmfCoordinate = BMFCoordinate(
      double.tryParse(storeInfo.latitude),
      double.tryParse(storeInfo.longitude),
    );
    if (baseDate != null && baseDate.isSuccess) {
      address = baseDate.data[0];
      for (int i = 1; i < baseDate.data.length; i++) {
        Address address1 = baseDate.data[i];

        BMFCoordinate coordinate = await BMFCalculateUtils.coordConvert(
            coordinate: BMFCoordinate(
              double.tryParse(address.longitude),
              double.tryParse(address.latitude),
            ),
            fromType: BMF_COORD_TYPE.COMMON,
            toType: BMF_COORD_TYPE.BD09LL);
        BMFCoordinate coordinate1 = await BMFCalculateUtils.coordConvert(
            coordinate: BMFCoordinate(
              double.tryParse(address1.longitude),
              double.tryParse(address1.latitude),
            ),
            fromType: BMF_COORD_TYPE.COMMON,
            toType: BMF_COORD_TYPE.BD09LL);

        double mi = await BMFCalculateUtils.getLocationDistance(
            bmfCoordinate, coordinate);
        double mi1 = await BMFCalculateUtils.getLocationDistance(
            bmfCoordinate, coordinate1);
        if (mi1 < mi) {
          address = address1;
        }
      }

      queryOrderInfo(address.id, selectedBtn, null, 0, null);
    }
  }

  ///小程序下单
  queryPlaceOrderFirst() async {

    for(int i = 0; i < shopCarGoods.shoppingCartSkuItemList.length; i ++) {
      settleOrderInfo.orderProductList.forEach((element1) {
        if (shopCarGoods.shoppingCartSkuItemList[i].productId == element1.productId) {
          shopCarGoods.shoppingCartSkuItemList[i].skuId = element1.skuId;
        }
      });
    }

    PlaceOrderFirst placeOrderFirst = PlaceOrderFirst();
    placeOrderFirst.cartNum = settleOrderInfo.orderNum;
    placeOrderFirst.cartSum = settleOrderInfo.price;
    placeOrderFirst.addressId = address == null ? null : address.id;
    placeOrderFirst.isSubscribe = false;
    placeOrderFirst.isTakeOut = selectedBtn;
    placeOrderFirst.notes = remakers;
    placeOrderFirst.numberOfPeople = "0";
    placeOrderFirst.orderSource = 2;
    placeOrderFirst.orderType = "0";
    placeOrderFirst.orderTypeId = 0;
    placeOrderFirst.parentCode = ""; // 火锅加菜
    placeOrderFirst.parentId = "0";   // 火锅加菜
    placeOrderFirst.payChannel = payChannel;
    placeOrderFirst.promotionInfoDTO = PromotionInfoDTOBean();
    placeOrderFirst.promotionInfoDTO.promotionId = promotion != null ? promotion.id : "";
    placeOrderFirst.promotionInfoDTO.couponId =  couponListBean != null ? couponListBean.id : "";
    placeOrderFirst.recMobile = (mobile == null || mobile == "") ? mobile : storeInfo.headMobile;
    placeOrderFirst.shoppingCartSkuItemList = shopCarGoods.shoppingCartSkuItemList;
    placeOrderFirst.skuItemDTOList = [];
    placeOrderFirst.source = 1;
    placeOrderFirst.storeId = storeInfo.id;
    placeOrderFirst.subcribeTime = null;
    placeOrderFirst.tableId = tableId;
    BaseData<DownOrder> baseData = await minService.placeOrderFirst(placeOrderFirst.toJson())
        .catchError((error) {});
    if (baseData != null && baseData.isSuccess) {
      querySettlement(placeOrderFirst, baseData.data);
    }
  }

  ///结算
  querySettlement(PlaceOrderFirst placeOrderFirst, DownOrder downOrder) async {
    placeOrderFirst.id = downOrder.id;
    placeOrderFirst.orderProductVOList = downOrder.orderProductVOList;
    if (placeOrderFirst.payChannel == 1) {
      if (!(await Min.isInitialize())) {
        // 小程序的微信支付和app的充值支付使用同一个WXPayEntryActivity回调，
        // 然而充值时小程序未初始化会导致回调内部代码调用getPackage空指针，
        // 故而在此初始化一下
        await Min.initialize();
      }
      BaseData<WxPay> baseData = await minService.settlementWx(placeOrderFirst.toJson()).catchError((error) {});
      if (baseData != null && baseData.isSuccess) {
        WxPay wxPay = baseData.data;
        await registerWxApi(
            appId: wxPay.appId,
            doOnAndroid: true,
            universalLink: "https://hx.lotus-wallet.com/app/");
        payWithWeChat(
            appId: wxPay.appId,
            partnerId: wxPay.partnerId,
            prepayId: wxPay.prepayId,
            packageValue: wxPay.packageValue,
            nonceStr: wxPay.nonceStr,
            timeStamp: int.tryParse(wxPay.timeStamp),
            sign: wxPay.sign);
        weChatResponseEventHandler.listen((event) async {
          print("payCallback: ${event.errCode}");
          toOrderDetails(placeOrderFirst.id);
        });
      }
    } else {
      BaseData baseData = await minService.settlementApi(placeOrderFirst.toJson()).catchError((error) {});
      if (baseData != null && baseData.isSuccess) {
        toOrderDetails(placeOrderFirst.id);
      }
    }
  }

  toOrderDetails(String orderId) {
    //1451130052983914496
    //202110211815390002
    Navigator.of(context).popAndPushNamed('/router/order_details', arguments: {
      "id": orderId,
    });

  }

  @override
  Widget build(BuildContext context) {
    return Stack(
      children: [
        Positioned(
          top: 0,
          left: 0,
          right: 0,
          child: Container(
            height: 175.h,
            color: Color(0xFF3A405A),
            width: MediaQuery.of(context).size.width,
          ),
        ),
        Positioned(
          child: Scaffold(
            backgroundColor: Colors.transparent,
            appBar: MyAppBar(
              background: Color(0xFF3A405A),
              leadingColor: Colors.white,
              title: S.of(context).dingdanjiesuan,
              titleColor: Colors.white,
              brightness: Brightness.dark,
              titleSize: 18.sp,
            ),
            body: Container(
              child: Column(
                children: [
                  Expanded(
                    child: Container(
                      child: SingleChildScrollView(
                        physics: BouncingScrollPhysics(),
                        child: Container(
                          child: Column(
                            children: [
                              DistributionMode(
                                queryOrderInfo,
                                queryAddress,
                                storeInfo,
                                address,
                              ),

                              SizedBox(
                                height: 16,
                              ),

                              /// 预留的手机号， 可修改
                              EditPhoneWidget(
                                storeInfo,
                                mobileChange,
                              ),

                              ///订单商品
                              SettlementOrderCommodity(
                                selectedBtn,
                                settleOrderInfo,
                              ),

                              ///优惠券/备注
                              ActivityCouponRemarks(
                                couponCart,
                                activityCart,
                                couponListBean,
                                promotion,
                                couponCount(),
                              ),

                              ///支付方式
                              PayMethod(payChannelCheck),
                            ],
                          ),
                        ),
                      ),
                    ),
                    flex: 1,
                  ),
                  Container(
                    height: 54.h,
                    color: Colors.white,
                    child: Row(
                      crossAxisAlignment: CrossAxisAlignment.center,
                      children: [
                        Spacer(),
                        Text(
                          S.of(context).heji,
                          style: TextStyle(
                            fontSize: 12.sp,
                            fontWeight: MyFontWeight.regular,
                            color: Colors.black,
                          ),
                        ),
                        Text(
                          "￥${settleOrderInfo == null ? "" : settleOrderInfo.price}",
                          style: TextStyle(
                            fontSize: 20.sp,
                            fontWeight: MyFontWeight.semi_bold,
                            color: Color(0xFF32A060),
                          ),
                        ),
                        SizedBox(
                          width: 28,
                        ),
                        RoundButton(
                          width: 103.w,
                          height: 54.h,
                          text: S.current.jiesuan,
                          textColor: Colors.white,
                          fontWeight: MyFontWeight.regular,
                          backgroup: Color(0xFF32A060),
                          fontSize: 16.sp,
                          padding: EdgeInsets.symmetric(
                            vertical: 5.h,
                          ),
                          callback: () {
                            queryPlaceOrderFirst();
                          },
                        ),
                      ],
                    ),
                  ),
                ],
              ),
            ),
          ),
          left: 0,
          right: 0,
          top: 0,
          bottom: 0,
        ),
      ],
    );
  }

  payChannelCheck(int payChannel) {
    this.payChannel = payChannel;
  }

  mobileChange(String mobile) {
    this.mobile = mobile;
  }

  int couponCount() {
    if (settleOrderInfo == null ||
        settleOrderInfo.couponList == null ||
        settleOrderInfo.couponList.length == 0) return 0;
    int count = 0;
    settleOrderInfo.couponList.forEach((element) {
      if (element.tenantCode == "") {
        count++;
      }
    });
    return count;
  }

  ///优惠券弹窗
  couponCart() async {
    CouponListBean couponBean = await showModalBottomSheet(
      context: context,
      backgroundColor: Colors.transparent,
      builder: (context) {
        return SettlementCoupon(settleOrderInfo, storeInfo,
            couponBean: couponListBean);
      },
    );
    if (couponBean != null) {
      this.couponListBean = couponBean;
      this.promotion = null;
      queryOrderInfo(
          address != null ? address.id : null,
          selectedBtn,
          couponListBean != null ? couponListBean.id : null,
          0,
          promotion != null ? promotion.id : null);
    }
  }

  ///活动弹窗
  activityCart() async {
    // if (couponListBean != null) return;
    PromotionInfoListBean pro = await showModalBottomSheet(
      context: context,
      backgroundColor: Colors.transparent,
      builder: (context) {
        return SettlementActivity(settleOrderInfo, storeInfo);
      },
    );
    if (pro != null) {
      this.promotion = pro;
      this.couponListBean = null;
      queryOrderInfo(
          address != null ? address.id : null,
          selectedBtn,
          couponListBean != null ? couponListBean.id : null,
          0,
          promotion != null ? promotion.id : null);
    }
  }
}