app/lib/paegs/mine_page/wallet_page/withdraw_page/withdraw_page.dart

import 'dart:convert';

import 'package:bbyyy/beans/pay_way_bean_entity.dart';
import 'package:bbyyy/beans/user_bean_entity.dart';
import 'package:bbyyy/beans/withdraw_pricing_bean_entity.dart';
import 'package:bbyyy/https/MyDio.dart';
import 'package:bbyyy/my_tools/dims.dart';
import 'package:bbyyy/my_tools/easy_loading/easy_loading.dart';
import 'package:bbyyy/my_tools/event_bus.dart';
import 'package:bbyyy/my_tools/my_colors.dart';
import 'package:bbyyy/my_tools/my_cookie.dart';
import 'package:bbyyy/my_tools/my_tools.dart';
import 'package:bbyyy/my_tools/my_views.dart';
import 'package:bbyyy/paegs/mine_page/bind_alipay_page/bind_alipay_page.dart';
import 'package:bbyyy/pay/pay_tools.dart';
import 'package:flustars/flustars.dart';
import 'package:flutter/cupertino.dart';
import 'package:flutter/gestures.dart';
import 'package:flutter/material.dart';
import 'package:flutter/services.dart';

class WithdrawPage extends StatefulWidget {
  @override
  _WithdrawPageState createState() => _WithdrawPageState();
}

class _WithdrawPageState extends State<WithdrawPage> {
  TextEditingController _controller = TextEditingController();
  int withdrawalStatus = 1; //0--未提现  1--提现中 2--提现完成
  double percentFee = 0.0;
  double extraFee = 0.0;
  double threshold = 0.0;
  double maxPerHand = 0.0;
  double minPerHand = 0.0;
  int withdrawalPath = -1; // 1---支付宝 2---微信
  List<PayWayBeanData> payWays;
  bool showAlipay = false;
  bool showWeChat = false;
  bool showHandlingFee = false;
  double handlingFee = 0.0;

  @override
  void initState() {
    // TODO: implement initState
    super.initState();

    queryPersonalInformation();
    queryWithdrawalInstructions();
    Future.delayed(Duration.zero, () {
      checkPaymentMethod((response, hasError) {
        if (!hasError) {
          PayWayBeanEntity entity =
              PayWayBeanEntity().fromJson(json.decode(response.toString()));
          payWays = entity.data;
          showWeChat = payWays[payWays.indexWhere((element) => element.way==2)].withdraw;
          showAlipay = payWays[payWays.indexWhere((element) => element.way==1)].withdraw;
          if (MyCookie().userBean.wxOpenid.isNotEmpty&&payWays[payWays.indexWhere((element) => element.way==2)].withdraw) {
            withdrawalPath = 2;
          } else if (MyCookie().userBean.aliPayAccount.isNotEmpty&&payWays[payWays.indexWhere((element) => element.way==1)].withdraw) {
            withdrawalPath = 1;
          }
          setState(() {

          });
        }
      }, (e) {});
    });
  }

  @override
  Widget build(BuildContext context) {
    return GestureDetector(
      onTap: () {
        MyTools().hideKeyboard(context);
      },
      behavior: HitTestBehavior.translucent,
      child: Scaffold(
        backgroundColor: MyColors.cF7F7F7,
        body: Column(
          children: [
            MyViews().myAppBar('申请提现', context, [
              GestureDetector(
                onTap: () {
                  MyTools().toPage(context, BindAlipayPage(), (then) {
                    setState(() {});
                  });
                },
                behavior: HitTestBehavior.translucent,
                child: Container(
                  padding: EdgeInsets.symmetric(vertical: 8, horizontal: 16),
                  child: Text(
                    '修改绑定',
                    style: TextStyle(color: MyColors.c333333, fontSize: 16),
                  ),
                ),
              ),
            ]),
            Expanded(
              child: SingleChildScrollView(
                child: Column(
                  children: [
                    if(showAlipay)GestureDetector(
                      onTap: () {
                        if(!payWays[payWays.indexWhere((element) => element.way==1)].withdraw){
                          showToast('支付宝提现暂时维护中');
                          return;
                        }
                        if (MyCookie().userBean.aliPayAccount.isEmpty) {
                          showToast('未绑定支付宝');
                        } else {
                          setState(() {
                            withdrawalPath = 1;
                          });
                        }
                      },
                      behavior: HitTestBehavior.translucent,
                      child: Container(
                        margin: EdgeInsets.fromLTRB(17, 24, 17, 0),
                        child: Row(
                          children: [
                            Container(
                              decoration: BoxDecoration(
                                  color: withdrawalPath == 1
                                      ? MyColors.cFF4233
                                      : MyColors.cD0D0D0,
                                  borderRadius: BorderRadius.circular(9)),
                              height: 18,
                              width: 18,
                              child: Icon(
                                Icons.check,
                                color: Colors.white,
                                size: 14,
                              ),
                              alignment: Alignment.center,
                              margin: EdgeInsets.only(right: 10),
                            ),
                            MyViews().myText(
                                '提现到支付宝：${MyCookie().userBean.aliPayAccount.isEmpty ? '未绑定支付宝' : MyCookie().userBean.aliPayAccount}',
                                MyColors.c666666,
                                15),
                          ],
                        ),
                      ),
                    ),
                    if(showWeChat)GestureDetector(
                      onTap: () {
                        if(!payWays[payWays.indexWhere((element) => element.way==2)].withdraw){
                          showToast('微信提现暂时维护中');
                          return;
                        }
                        if (MyCookie().userBean.wxOpenid.isEmpty) {
                          showToast('未绑定微信');
                        } else {
                          setState(() {
                            withdrawalPath = 2;
                          });
                        }
                      },
                      behavior: HitTestBehavior.translucent,
                      child: Container(
                        margin: EdgeInsets.fromLTRB(17, 24, 17, 0),
                        child: Row(
                          children: [
                            Container(
                              decoration: BoxDecoration(
                                  color: withdrawalPath == 2
                                      ? MyColors.cFF4233
                                      : MyColors.cD0D0D0,
                                  borderRadius: BorderRadius.circular(9)),
                              height: 18,
                              width: 18,
                              child: Icon(
                                Icons.check,
                                color: Colors.white,
                                size: 14,
                              ),
                              alignment: Alignment.center,
                              margin: EdgeInsets.only(right: 10),
                            ),
                            MyViews().myText('提现到微信：', MyColors.c666666, 15),
                            MyCookie().userBean.wxOpenid.isEmpty
                                ? MyViews()
                                    .myText('未绑定微信', MyColors.c666666, 15)
                                : Row(
                                    children: [
                                      Container(
                                        margin: EdgeInsets.only(right: 10),
                                        child: ClipRRect(
                                          borderRadius:
                                              BorderRadius.circular(12),
                                          child: MyViews().netImg(
                                              MyCookie().userBean.wxPicture,
                                              24,
                                              24),
                                        ),
                                      ),
                                      MyViews().myText(
                                          MyCookie().userBean.wxName,
                                          MyColors.c666666,
                                          15)
                                    ],
                                  )
                          ],
                        ),
                      ),
                    ),
                    Container(
                      decoration: BoxDecoration(
                        color: Colors.white,
                        borderRadius: BorderRadius.circular(4),
                      ),
                      margin:
                          EdgeInsets.symmetric(horizontal: 17, vertical: 14),
                      padding:
                          EdgeInsets.symmetric(horizontal: 20, vertical: 15),
                      child: Column(
                        children: [
                          MyViews().myText('提现金额', MyColors.c333333, 16),
                          Container(
                            margin: EdgeInsets.only(top: 15),
                            child: Row(
                              children: [
                                Text(
                                  '¥',
                                  style: TextStyle(
                                      color: MyColors.c333333, fontSize: 30),
                                ),
                                Expanded(
                                  child: TextField(
                                    inputFormatters: [
                                      FilteringTextInputFormatter.allow(
                                          RegExp("[0-9.]")),
                                      MoneyTextInputFormatter()
                                    ],
                                    controller: _controller,
                                    cursorColor: MyColors.cFF4233,
                                    cursorWidth: 1.0,
                                    decoration: InputDecoration(
                                        border: InputBorder.none,
                                        disabledBorder: InputBorder.none,
                                        enabledBorder: InputBorder.none,
                                        focusedBorder: InputBorder.none,
                                        hintText: '请输入金额',
                                        hintStyle: TextStyle(
                                            color: MyColors.c999999,
                                            fontSize: 16),
                                        isDense: true,
                                        contentPadding:
                                            const EdgeInsets.fromLTRB(
                                                14, 4.5, 8, 4.5)),
                                    maxLines: 1,
                                    style: TextStyle(
                                        color: MyColors.c333333,
                                        fontSize: 30,
                                        fontWeight: FontWeight.bold,
                                        height: 1.3,
                                        letterSpacing: 0.2),
                                    keyboardType: TextInputType.number,
                                    onChanged: (t) {
                                      try {
                                        showH();
                                        double amount = double.parse(t);
                                        if (amount > 0) {
                                          withdrawalStatus = 0;
                                          setState(() {});
                                        }
                                      } catch (e) {
                                        withdrawalStatus = 1;
                                      }
                                      setState(() {});
                                    },
                                  ),
                                )
                              ],
                            ),
                          ),
                          Container(
                            margin: EdgeInsets.only(top: 4, bottom: 15),
                            color: MyColors.cE7E7E7,
                            height: 0.5,
                          ),
                          RichText(
                            text: TextSpan(
                                text: '当前零钱余额',
                                style: TextStyle(
                                    color: MyColors.c999999, fontSize: 15),
                                children: [
                                  TextSpan(
                                    text: '${MyCookie().userBean.balance}',
                                    style: TextStyle(
                                        color: MyColors.cFF4233, fontSize: 15),
                                  ),
                                  TextSpan(
                                    text: '元，',
                                    style: TextStyle(
                                        color: MyColors.c999999, fontSize: 15),
                                  ),
                                  TextSpan(
                                      text: '全部提现',
                                      style: TextStyle(
                                          color: MyColors.cFF4233,
                                          fontSize: 15),
                                      recognizer: TapGestureRecognizer()
                                        ..onTap = () {
                                          _controller.text = MyCookie()
                                              .userBean
                                              .balance
                                              .toString();
                                          showH();
                                          setState(() {
                                            withdrawalStatus = 0;
                                          });
                                        }),
                                ]),
                          ),
                          if(showHandlingFee)
                          RichText(
                            text: TextSpan(
                                text: '手续费',
                                style: TextStyle(
                                    color: MyColors.c999999, fontSize: 15),
                                children: [
                                  TextSpan(
                                    text: '$handlingFee',
                                    style: TextStyle(
                                        color: MyColors.cFF4233, fontSize: 15),
                                  ),
                                ]),
                          ),
                          if(showHandlingFee)
                          RichText(
                            text: TextSpan(
                                text: '实际到账',
                                style: TextStyle(
                                    color: MyColors.c999999, fontSize: 15),
                                children: [
                                  TextSpan(
                                    text: '${double.parse(_controller.text.toString())-handlingFee}',
                                    style: TextStyle(
                                        color: MyColors.cFF4233, fontSize: 15),
                                  ),
                                ]),
                          ),
                          GestureDetector(
                            onTap: () {
                              if(withdrawalPath==-1){
                                showToast('请选择提现方式');
                                return;
                              }
                              if (withdrawalStatus == 0) {
                                withdrawalStatus = 1;
                                withdraw();
                              } else {}
                            },
                            behavior: HitTestBehavior.translucent,
                            child: Container(
                              decoration: BoxDecoration(
                                  color: withdrawalStatus == 0
                                      ? MyColors.cFF4233
                                      : MyColors.cEFEFEF,
                                  borderRadius: BorderRadius.circular(20)),
                              child: MyViews().myText('提现', Colors.white, 14),
                              alignment: Alignment.center,
                              height: 40,
                              margin: EdgeInsets.only(top: 20, bottom: 15),
                            ),
                          ),
                          Container(
                            margin: EdgeInsets.only(bottom: 8),
                            child: RichText(
                              text: TextSpan(
                                  text: '您的提现手续费为：',
                                  style: TextStyle(
                                      color: MyColors.c999999, fontSize: 14),
                                  children: [
                                    TextSpan(
                                      text:
                                          '${NumUtil.multiply(percentFee, 100)}%${extraFee == 0 ? '' : '+$extraFee'}',
                                      style: TextStyle(
                                          color: MyColors.cE2A62D,
                                          fontSize: 14),
                                    ),
                                    // TextSpan(
                                    //   text: '元',
                                    //   style: TextStyle(
                                    //       color: MyColors.c999999,
                                    //       fontSize: 14),
                                    // ),
                                  ]),
                            ),
                          ),
                          Visibility(
                            visible: maxPerHand != 0,
                            child: Container(
                              margin: EdgeInsets.only(bottom: 8),
                              child: RichText(
                                text: TextSpan(
                                    text: '单笔最高限额：',
                                    style: TextStyle(
                                        color: MyColors.c999999, fontSize: 14),
                                    children: [
                                      TextSpan(
                                        text: '$maxPerHand',
                                        style: TextStyle(
                                            color: MyColors.cE2A62D,
                                            fontSize: 14),
                                      ),
                                      TextSpan(
                                        text: '元',
                                        style: TextStyle(
                                            color: MyColors.c999999,
                                            fontSize: 14),
                                      ),
                                    ]),
                              ),
                            ),
                          ),
                          Visibility(
                            visible: minPerHand != 0,
                            child: Container(
                              margin: EdgeInsets.only(bottom: 8),
                              child: RichText(
                                text: TextSpan(
                                    text: '单笔最低限额：',
                                    style: TextStyle(
                                        color: MyColors.c999999, fontSize: 14),
                                    children: [
                                      TextSpan(
                                        text: '$minPerHand',
                                        style: TextStyle(
                                            color: MyColors.cE2A62D,
                                            fontSize: 14),
                                      ),
                                      TextSpan(
                                        text: '元',
                                        style: TextStyle(
                                            color: MyColors.c999999,
                                            fontSize: 14),
                                      ),
                                    ]),
                              ),
                            ),
                          ),
                          Visibility(
                            visible: threshold != 0,
                            child: RichText(
                              text: TextSpan(
                                  text: '当日免手续费提现额度：',
                                  style: TextStyle(
                                      color: MyColors.c999999, fontSize: 14),
                                  children: [
                                    TextSpan(
                                      text: '$threshold',
                                      style: TextStyle(
                                          color: MyColors.cE2A62D,
                                          fontSize: 14),
                                    ),
                                    TextSpan(
                                      text: '元',
                                      style: TextStyle(
                                          color: MyColors.c999999,
                                          fontSize: 14),
                                    ),
                                  ]),
                            ),
                          ),
                        ],
                        crossAxisAlignment: CrossAxisAlignment.start,
                      ),
                    )
                  ],
                ),
              ),
            ),
          ],
        ),
      ),
    );
  }

  void withdraw() {
    try {
      double amount = double.parse(_controller.text.toString());
      if (amount <= MyCookie().userBean.balance && amount >= minPerHand) {
        var j = {
          'user_uid': MyCookie().getUID(),
          'way':withdrawalPath,
          'amount': amount
        };
        if(withdrawalPath==2){
          j['wx_openid'] = MyCookie().userBean.wxOpenid;
        }
        print(j.toString());
        MyDio().post('/pay/withdraw',j , (response, hasError) {
          if (!hasError) {
            showToast('提现成功');
            withdrawalStatus = 2;
            queryPersonalInformation();
          } else {
            setState(() {
              withdrawalStatus = 0;
            });
          }
        }, (error) {
          setState(() {
            withdrawalStatus = 0;
          });
        });
      } else if (amount > MyCookie().userBean.balance) {
        setState(() {
          withdrawalStatus = 0;
        });
        showSimpleDialog('您的余额不足。', context, () {
          Navigator.pop(context);
        });
      } else {
        setState(() {
          withdrawalStatus = 0;
        });
        showSimpleDialog('提现失败：提现金额不能低于$minPerHand元。', context, () {
          Navigator.pop(context);
        });
      }
    } catch (e) {
      setState(() {
        withdrawalStatus = 0;
        EasyLoading.dismiss();
      });
      showSimpleDialog('输入内容有误，请重新输入', context, () {
        Navigator.pop(context);
      });
    }
  }

  void queryPersonalInformation() {
    MyDio().query({
      "key": "user",
      "filters": {
        "conditions": ["uid == ${MyCookie().getUID()}"]
      },
      "dims": userDims,
      "paging": [1, 20]
    }, (response, hasError) {
      if (!hasError) {
        UserBeanEntity entity =
            UserBeanEntity().fromJson(json.decode(response.data.toString()));
        MyCookie().userBean = entity.data.data[0];
        EventBus().emit('userChange');
        setState(() {});
        if (withdrawalStatus == 2) {
          Navigator.pop(context);
        }
      }
    }, (error) {});
  }

  void queryWithdrawalInstructions() {
    MyDio().query({
      "key": "withdraw_pricing",
      "filters": {},
      "dims": withdrawPricingDims,
      "paging": [1, 20]
    }, (response, hasError) {
      if (!hasError) {
        WithdrawPricingBeanEntity entity = WithdrawPricingBeanEntity()
            .fromJson(json.decode(response.data.toString()));
        if (entity.data.data.isNotEmpty) {
          percentFee = entity.data.data[0].percentFee;
          extraFee = entity.data.data[0].extraFee;
          threshold = entity.data.data[0].threshold;
          maxPerHand = entity.data.data[0].maxPerHand;
          minPerHand = entity.data.data[0].minPerHand;
        }
      }
      setState(() {});
    }, (error) {});
  }

  showH(){
    try{
      double amount = double.parse(_controller.text.toString());
      if(amount>=minPerHand){
        handlingFee = double.parse((double.parse(_controller.text.toString())*percentFee*100).toStringAsFixed(0))/100+extraFee;
        setState(() {
          showHandlingFee = true;
        });
      }else{
        setState(() {
          showHandlingFee = false;
        });
      }
    }catch(e){
      setState(() {
        showHandlingFee = false;
      });
    }
  }
}


class MoneyTextInputFormatter extends TextInputFormatter{

  @override
  TextEditingValue formatEditUpdate(TextEditingValue oldValue, TextEditingValue newValue) {
    // TODO: implement formatEditUpdate

    String newvalueText=newValue.text;

    if(newvalueText=="."){
      //第一个数为.
      newvalueText="0.";

    } else if(newvalueText.contains(".")){
      if(newvalueText.lastIndexOf(".")!=newvalueText.indexOf(".")){
        //输入了2个小数点
        newvalueText=  newvalueText.substring(0,newvalueText.lastIndexOf('.'));
      }else if(newvalueText.length-1-newvalueText.indexOf(".")>2){
        //输入了1个小数点 小数点后两位
        newvalueText=newvalueText.substring(0,newvalueText.indexOf(".")+3);
      }
    }

    return TextEditingValue(
      text: newvalueText,
      selection: new TextSelection.collapsed(offset: newvalueText.length),
    );
  }

}