import 'package:bloc/bloc.dart';
import 'package:fluwx/fluwx.dart';
import 'package:tobias/tobias.dart';
import 'package:wow_english/generated/json/base/json_convert_content.dart';
import 'package:wow_english/models/product_entity.dart';

import '../../common/request/dao/shop_dao.dart';
import '../../common/request/exception.dart';
import '../../utils/loading.dart';
import '../../utils/log_util.dart';
import '../../utils/toast_util.dart';
import 'event.dart';
import 'state.dart';

class ShoppingBloc extends Bloc<ShoppingEvent, ShoppingState> {

  ProductEntity? _productData;

  ProductEntity? get productData => _productData;

  PaymentChannel _curPaymentChannel = PaymentChannel.wechatPay;

  PaymentChannel get curPaymentChannel => _curPaymentChannel;


  ShoppingBloc(this._productData) : super(ShoppingState().init()) {
    //页面初始化时刻
    on<InitEvent>(_init);
    on<ChangePaymentChannelEvent>(_changePaymentChannel);
    on<DoPayEvent>(_startPay);
  }

  void _init(InitEvent event, Emitter<ShoppingState> emit) async {
    //处理一些初始化操作,然后刷新界面
    emit(state.clone());
  }

  /// 更换支付渠道
  void _changePaymentChannel(ChangePaymentChannelEvent event,
      Emitter<ShoppingState> emitter) async {
    Log.d("_curPaymentChannel=$_curPaymentChannel, event.paymentChannel=${event.paymentChannel}");
    if (_curPaymentChannel != event.paymentChannel) {
      _curPaymentChannel = event.paymentChannel;
      emitter(PaymentChannelChangeState());
    }
  }

  void _startPay(DoPayEvent event,
      Emitter<ShoppingState> emitter) async {
    Log.d("开始支付 ${event.productEntity} ${event.paymentChannel}");
    //如果event.productEntity为空，中断流程并toast提示
    if (event.productEntity == null) {
      showToast("商品信息为空");
      return;
    }
    final productEntitySafely = event.productEntity!;
    try {
      await loading(() async {
        final Map<String, dynamic> orderInfo = await ShopDao.createOrder(productEntitySafely);
        Log.d("orderInfo $orderInfo");
        final String? orderNo = orderInfo.getOrNull("orderNo");
        if (orderNo == null) {
          showToast("订单创建失败");
          return;
        }
        Log.d("orderNo $orderNo");

        if (event.paymentChannel == PaymentChannel.wechatPay) {
          Fluwx fluwx = Fluwx();
          fluwx.registerApi(appId: "wxd930ea5d5a228f5f",
              universalLink: "https://app-api.wowenglish.com.cn/.well-known/apple-app-site-association");
          // fluwx.pay(
              // which: Payment(
              //   appId: _orderInfo['appid'].toString(),
              //   partnerId: _orderInfo['partnerid'].toString(),
              //   prepayId: _orderInfo['prepayid'].toString(),
              //   packageValue: _orderInfo['package'].toString(),
              //   nonceStr: _orderInfo['noncestr'].toString(),
              //   timestamp: _orderInfo['timestamp'],
              //   sign: _orderInfo['sign'].toString(),
              // ));
        } else {
          final Map<String, dynamic> aliPayOrderInfo = await ShopDao.getAliPayToken(orderNo);
          Log.d("aliPayOrderInfo=$aliPayOrderInfo type=${aliPayOrderInfo.runtimeType}");
          final String? aliPayInfo = aliPayOrderInfo.getOrNull("token");
          if (aliPayInfo == null) {
            showToast("支付宝订单创建失败");
            return;
          }
          Log.d("aliPayInfo=$aliPayInfo");
          ///打印aliPayOrderInfo的type
          Tobias tobias = Tobias();
          final Map aliPayResult = await tobias.pay(aliPayInfo);
          Log.d("aliPayResult=$aliPayResult");
          // 判断resultStatus 为9000则代表支付成功
          if (aliPayResult.getOrNull("resultStatus") == "9000") {
            showToast("支付成功");
            emit(PaySuccessState());
          } else {
            showToast("支付失败");
          }
        }
      });
    } catch (e) {
      if (e is ApiException) {
        showToast(e.message ?? '请求失败,请检查网络连接');
      }
    }
  }
}

enum PaymentChannel {

  wechatPay(1, "微信支付"),

  aliPay(2, "支付宝支付");

  const PaymentChannel(this.payChannelType, this.payChannelName);

  final int payChannelType;

  final String payChannelName;
}