import 'package:flutter/material.dart';
import 'package:flutter_screenutil/flutter_screenutil.dart';
import 'package:flutter_picker/flutter_picker.dart';
import '../../util/api.dart';
import '../../util/models.dart';
import '../../util/util.dart';
import '../../showAlert.dart';
import '../../showLineModal.dart';
import '../../util/session.dart';
import '../../util/bluetooth_utils.dart';

class OrderDetailPage extends StatefulWidget {
  final String orderNo;
  final String status;

  OrderDetailPage({
    Key key,
    @required this.orderNo,
    @required this.status
  }): super(key: key);

  _OrderDetailPageState createState() => _OrderDetailPageState();
}

class _OrderDetailPageState extends State < OrderDetailPage > {
  OrderDetailData orderDetailObj;

  @override
  void initState() {
    super.initState();
    getOrderDetail(widget.orderNo).then((resp) {
      if (isNotError(context, resp) && this.mounted) {
        OrderDetailObj tempObj = OrderDetailObj.fromJson(resp.data);
        setState(() {
          orderDetailObj = tempObj.data;
        });
      }
    });
  }

  @override
  Widget build(BuildContext context) {
    return Scaffold(
      appBar: AppBar(
        title: Text(
          "订单详情",
          style: TextStyle(fontSize: ScreenUtil.getInstance().setSp(36)),
        ),
        centerTitle: true,
        backgroundColor: Color.fromRGBO(64, 98, 254, 1),
      ),
      body: Container(
        padding: EdgeInsets.fromLTRB(
          0,
          ScreenUtil.getInstance().setHeight(20),
          0,
          ScreenUtil.getInstance().setHeight(20)),
        color: Color.fromRGBO(246, 246, 254, 1),
        child: orderDetailObj == null ?
        Center(
          child: _getMoreWidget(),
        ) :
        ListView(
          children: < Widget > [
            _sendInfo(),
            _getInfo(),
            ItemInfoWidget(obj: orderDetailObj, status: widget.status),
          ],
        )),

      //resizeToAvoidBottomPadding: false //键盘弹出，页面不跟随向上滑动,防止出现溢出错误
    );
  }

  Widget _sendInfo() {
    return Container(
      color: Colors.white,
      margin: EdgeInsets.only(bottom: ScreenUtil.getInstance().setHeight(20)),
      child: Column(
        children: < Widget > [
          titleWidget('lib/images/icon_send.png', '发件信息'),
          underLine(),
          contentWiget(
            '电话',
            orderDetailObj.senderPhone != null ?
            orderDetailObj.senderPhone :
            orderDetailObj.sendCompanyPhone),
          contentWiget('企业编码', orderDetailObj.sendCompanyCode),
          contentWiget('企业名称', orderDetailObj.sendCompanyName),
          contentWiget(
            '城市/区域',
            '${orderDetailObj.sendCompanyProvinceName}' +
            ' ' +
            '${orderDetailObj.sendCompanyCityName}' +
            ' ' +
            '${orderDetailObj.sendCompanyAreaName}'),
          lastContentWiget('详细地址', orderDetailObj.sendCompanyAddress)
        ],
      ));
  }

  Widget _getInfo() {
    return Container(
      color: Colors.white,
      margin: EdgeInsets.only(bottom: ScreenUtil.getInstance().setHeight(20)),
      child: Column(
        children: < Widget > [
          titleWidget('lib/images/icon_shoujian.png', '收件信息'),
          underLine(),
          contentWiget('企业名称', orderDetailObj.receiptCompanyName),
          contentWiget('电话', orderDetailObj.receiptCompanyPhone),
          contentWiget(
            '城市/区域',
            '${orderDetailObj.receiptCompanyProvinceName}' +
            ' ' +
            '${orderDetailObj.receiptCompanyCityName}' +
            ' ' +
            '${orderDetailObj.receiptCompanyAreaName}'),
          lastContentWiget('详细地址', orderDetailObj.sendCompanyAddress)
        ],
      ));
  }
}

class ItemInfoWidget extends StatefulWidget {
  final OrderDetailData obj;
  final String status;
  ItemInfoWidget({
    Key key,
    @required this.obj,
    @required this.status
  }): super(key: key);

  _ItemInfoWidgetState createState() => _ItemInfoWidgetState();
}

class _ItemInfoWidgetState extends State < ItemInfoWidget > {
  double afterTransportFee = 0.0; //运费
  int afterGoodsNumber = 0; //数量
  double afterCollectingFee = 0.0; //代收
  bool submitStatus = true;
  String lineId = '-1';
  List < CompanyOfLineList > lineList = [];
  String showTextPaymentMehod = '现付';
  int goodsPaymentMethod = 1;
  BluetoothUtils bluetooth = BluetoothUtils();
  @override
  void initState() {
    super.initState();
    setState(() {
      afterTransportFee = widget.obj.goodsFreight / 100;
      afterGoodsNumber = widget.obj.goodsQuantity;
      afterCollectingFee = widget.obj.goodsAgencyFund / 100;
      lineId = widget.obj.lineId.toString();
    });
    if (widget.obj.receiptCompanyId != null) {
      getLineOfCompanyId(widget.obj.receiptCompanyId.toString()).then((resp) {
        if (isNotError(context, resp) && this.mounted) {
          CompanyOfLine obj = CompanyOfLine.fromJson(resp.data);
          setState(() {
            lineList = obj.data;
          });
        }
      });
    }
    showTextPaymentMehod = widget.obj.goodsPaymentMethod == 1 ? '现付' : '到付';
    goodsPaymentMethod = widget.obj.goodsPaymentMethod;
  }

  @override
  Widget build(BuildContext context) {
    return Container(
      child: Container(
        color: Colors.white,
        child: Column(
          crossAxisAlignment: CrossAxisAlignment.start,
          children: < Widget > [
            titleWidget('lib/images/icon_huowu.png', "货物信息"),
            underLine(),
            contentWiget("货物名称", widget.obj.goods),
            _inputWidget("数量", widget.obj.goodsQuantity),
            _inputWidget("运费", widget.obj.goodsFreight / 100),
            _inputWidget("代收", widget.obj.goodsAgencyFund / 100),
            _packageType('付款方式'),
            contentWiget(
              "保价", (widget.obj.goodsPriceProtection / 100).toString()),
            contentWiget("重量", widget.obj.goodsWeight.toStringAsFixed(1)),
            contentWiget("包装类型", (widget.obj.goodsPackingName)),
            contentWiget("货物类型", (widget.obj.goodsCategoryName)),
            _descWidget(widget.obj.memo),
            submitBtn(widget.obj.orderNo)
          ],
        ),
      ));
  }

  Widget _inputWidget(String key, num value) {
    return Padding(
      padding: EdgeInsets.only(left: ScreenUtil.getInstance().setWidth(30)),
      child: Column(
        children: < Widget > [
          SizedBox(
            height: ScreenUtil.getInstance().setHeight(89),
            child: Center(
              child: Row(
                mainAxisAlignment: MainAxisAlignment.spaceBetween,
                children: < Widget > [
                  Text(
                    key,
                    style: TextStyle(
                      fontSize: ScreenUtil.getInstance().setSp(30),
                      color: Color.fromRGBO(74, 74, 74, 1)),
                  ),
                  Container(
                    width: ScreenUtil.getInstance().setWidth(300),
                    child: Row(
                      mainAxisAlignment: MainAxisAlignment.end,
                      children: < Widget > [
                        Expanded(
                          //padding: EdgeInsets.only(right: ScreenUtil.getInstance().setWidth(20)),
                          //child: Text(value,style: TextStyle(fontSize: ScreenUtil.getInstance().setSp(30), color: Color.fromRGBO(136, 136, 136, 1)), ),
                          child: Center(
                            child:Padding(
                              padding: EdgeInsets.only(right: ScreenUtil.getInstance().setWidth(30)),
                              child: TextField(
                                keyboardType: TextInputType.number,
                                textAlign: TextAlign.end,
                                style: TextStyle(
                                  fontSize:
                                  ScreenUtil.getInstance().setSp(30),
                                  color: Colors.black),
                                decoration: InputDecoration(
                                  border: InputBorder.none,
                                  hintText: value.toString(),
                                  hintStyle: TextStyle(
                                    fontSize:
                                    ScreenUtil.getInstance().setSp(30),
                                    color: Colors.black),
                                  contentPadding: EdgeInsets.fromLTRB(
                                    ScreenUtil.getInstance().setWidth(20),
                                    0,
                                    0,
                                    0),
                                ),
                                onChanged: (value) {
                                  if (key == '数量') {
                                    afterGoodsNumber = int.parse(value);
                                  } else if (key == '运费') {
                                    afterTransportFee = double.parse(value);
                                    String temp =
                                      afterTransportFee.toStringAsFixed(1);
                                    afterTransportFee = double.parse(temp);
                                  } else if (key == '代收') {
                                    afterCollectingFee = double.parse(value);
                                    String temp =
                                      afterCollectingFee.toStringAsFixed(1);
                                    afterCollectingFee = double.parse(temp);
                                  }
                                },
                              ),
                            ) 
                          )),
                        // Icon(
                        //   Icons.keyboard_arrow_right,
                        //   color: Color.fromRGBO(199, 199, 204, 1),
                        // )
                      ],
                    ))
                ],
              ),
            )),
          Expanded(flex: 0, child: underLine())
        ],
      ));
  }

  Widget _descWidget(String str) {
    return Container(
      padding: EdgeInsets.all(ScreenUtil.getInstance().setWidth(30)),
      child: Text(
        str,
        maxLines: 100,
        style: TextStyle(
          fontSize: ScreenUtil.getInstance().setSp(30),
          color: Color.fromRGBO(74, 74, 74, 1)),
      ),
    );
  }

  Widget submitBtn(String orderNo) {
    return GestureDetector(
      child: Container(
        margin: EdgeInsets.fromLTRB(
          ScreenUtil.getInstance().setWidth(30),
          ScreenUtil.getInstance().setWidth(50),
          ScreenUtil.getInstance().setWidth(30),
          ScreenUtil.getInstance().setWidth(40)),
        height: ScreenUtil.getInstance().setHeight(88),
        decoration: BoxDecoration(
          borderRadius: BorderRadius.all(Radius.circular(4)),
          color: Color.fromRGBO(37, 102, 242, 1),
        ),
        child: Center(
          child: Row(
            mainAxisAlignment: MainAxisAlignment.center,
            children: < Widget > [
              Offstage(
                offstage: submitStatus,
                child: SizedBox(
                  width: ScreenUtil.getInstance().setWidth(45),
                  height: ScreenUtil.getInstance().setHeight(45),
                  child: Image.asset('lib/images/loading.gif'),
                ),
              ),
              Text('提交',
                style: TextStyle(
                  fontSize: ScreenUtil.getInstance().setSp(36),
                  color: Colors.white)),
            ],
          )),
      ),
      onTap: () {
        if (!submitStatus) return;
        if (afterCollectingFee > 0) {
          if (widget.obj.sendCompanyBankCard == null ||
            widget.obj.sendCompanyBankCard == '') {
            showDialog < Null > (
              context: context,
              barrierDismissible: false,
              builder: (BuildContext context) {
                return MyAlertDialog(text: '银行信息不全', childCallback: (val) {});
              });
            return;
          }
        }
        if (lineList.length > 1 && widget.status == '寄件') {
          showLineModal(lineList, orderNo);
          return;
        }
        submitOrder(orderNo);
      },
    );
  }

  Widget _packageType(String key) {
    return Padding(
      padding: EdgeInsets.only(left: ScreenUtil.getInstance().setWidth(30)),
      child: Column(
        children: < Widget > [
          InkWell(
            child: SizedBox(
              height: ScreenUtil.getInstance().setHeight(89),
              child: Center(
                child: Row(
                  mainAxisAlignment: MainAxisAlignment.spaceBetween,
                  children: < Widget > [
                    Expanded(
                      flex: 0,
                      child: Text(
                        key,
                        style: TextStyle(
                          fontSize: ScreenUtil.getInstance().setSp(30),
                          color: Color.fromRGBO(74, 74, 74, 1)),
                      ),
                    ),
                    Expanded(
                      child: Row(
                        mainAxisAlignment: MainAxisAlignment.end,
                        children: < Widget > [
                          //Text('${value}', style: TextStyle(fontSize: ScreenUtil.getInstance().setSp(30), color: Color.fromRGBO(136, 136, 136, 1)), ),
                          SizedBox(
                            width: ScreenUtil.getInstance().setWidth(500),
                            child: Text(
                              showTextPaymentMehod,
                              textAlign: TextAlign.end,
                            )),
                          Icon(
                            Icons.keyboard_arrow_right,
                            color: Color.fromRGBO(199, 199, 204, 1),
                          )
                        ],
                      ))
                  ],
                ),
              )),
            onTap: () {
              showPickerModal(context);
            },
          ),
          Expanded(flex: 0, child: underLine())
        ],
      ));
  }

  showPickerModal(BuildContext context) {
    List < dynamic > data = ['现付', '到付'];
    new Picker(
      adapter: PickerDataAdapter < String > (pickerdata: data),
      height: ScreenUtil.getInstance().setHeight(450),
      confirmText: '确定',
      confirmTextStyle: TextStyle(
        fontSize: ScreenUtil.getInstance().setSp(30),
        color: Color.fromRGBO(64, 98, 254, 1)),
      cancelText: '取消',
      cancelTextStyle: TextStyle(
        fontSize: ScreenUtil.getInstance().setSp(30),
        color: Color.fromRGBO(153, 153, 153, 1)),
      headercolor: Color.fromRGBO(245, 245, 245, 1),
      itemExtent: ScreenUtil.getInstance().setHeight(80),
      textStyle: TextStyle(
        fontSize: ScreenUtil.getInstance().setSp(30),
        color: Color.fromRGBO(42, 42, 42, 1)),
      changeToFirst: true,
      hideHeader: false,
      onConfirm: (Picker picker, List value) {
        setState(() {
          showTextPaymentMehod = data[value[0]];
        });
        if (showTextPaymentMehod == '现付') {
          goodsPaymentMethod = 1;
        } else {
          goodsPaymentMethod = 2;
        }
      }).showModal(this.context);
  }

  showLineModal(List < CompanyOfLineList > list, String orderNo) {
    showDialog < Null > (
      context: context, //BuildContext对象
      barrierDismissible: false,
      builder: (BuildContext context) {
        return ShowLineModal(
          lineList: list,
          childCallback: (val) {
            lineId = val;
            submitOrder(orderNo);
          },
        );
      });
  }

  submitOrder(String orderNo) {
    setState(() {
      submitStatus = false;
    });
    updataOrder(lineId, orderNo, afterTransportFee, afterCollectingFee,
        afterGoodsNumber, goodsPaymentMethod)
      .then((resp) {
        if (isNotError(context, resp) && this.mounted) {
          showDialog < Null > (
            context: context, //BuildContext对象
            barrierDismissible: false,
            builder: (BuildContext context) {
              //打印
               OrderDetailObj parentObj = OrderDetailObj.fromJson(resp.data);
                OrderDetailData data = parentObj.data;
                getKey('printType').then((printType) {
                  getKey('stationName').then((stationName) {
                    getKey('nickName').then((nickName) {
                      getKey('companyName').then((companyName) {
                        getKey('companyCustomerPhone')
                          .then((companyCustomerPhone) {
                            double goodsYs = data.goodsPaymentMethod == 2 ?
                              (data.goodsFreight / 100) +
                              (data.goodsAgencyFund / 100) :
                              data.goodsAgencyFund / 100;
                            String nowDate = fromatDate(
                              DateTime.now().millisecondsSinceEpoch); //打印时间
                            String createTime = fromatDate(data.createTime);
                            double goodsAgencyFunds = data.goodsAgencyFund / 100;
                            double goodsDFreight = data.goodsPaymentMethod == 2 ?
                              data.goodsFreight / 100 :
                              0;
                            double goodsXFreight = data.goodsPaymentMethod == 1 ?
                              data.goodsFreight / 100 :
                              0;
                            String receiptAddress =
                              data.receiptCompanyAddress.length > 10 ?
                              data.receiptCompanyAddress.substring(0, 10) :
                              data.receiptCompanyAddress;

                            Map < String, String > pum = {
                              "[logisticsNo]": "${data.orderNo ?? ''}",
                              "[createTime]": "$createTime",
                              "[sendStationName]": "$stationName",
                              "[dealerCode]": "${data.sendCompanyCode ?? ''}",
                              "[dealerName]": "${data.sendCompanyName}",
                              "[dealerTel]": "${data.sendCompanyPhone ?? ''}",
                              "[repairName]": "${data.receiptCompanyName ?? ''}",
                              "[repairTel]": "${data.receiptCompanyPhone ?? ''}",
                              "[endStationName]": "${data.receiptStationName}",
                              "[goodsLineCode]": "${data.lineCode ?? ''}",
                              "[goodsLine]": "${data.lineName ?? ''}",
                              "[repairAddress]": "${receiptAddress ?? ''}",
                              "[goodsQuantity]": "${data.goodsQuantity ?? ''}",
                              "[goodsInsurance]": "${data.goodsInsurance ?? ''}",
                              "[goodsFlatCost]": "${data.goodsFlatCost ?? ''}",
                              // 到付 现付 金额
                              "[goodsDFreight]": "$goodsDFreight",
                              "[goodsXFreight]": "$goodsXFreight",
                              "[goodsAgencyFund]": "$goodsAgencyFunds",
                              "[goodsYs]": "$goodsYs",
                              "[dealerBankAccount]": "${data.sendCompanyBankCard ?? ''}",
                              "[goodsRemark]": "${data.memo ?? ''}",
                              "[realName]": "${nickName ?? ''}",
                              "[currentTime]": "$nowDate",
                              "[currentGoodNumber]": "1/1",
                              "[companyCustomerPhone]": "$companyCustomerPhone",
                              "[companyName]": "$companyName"
                            };
                            bluetooth
                              .printOrder(pum, int.parse(printType))
                              .then((value) {
                                if (value == null) {
                                  showDialog < Null > (
                                    context: context,
                                    barrierDismissible: false,
                                    builder: (BuildContext context) {
                                      return MyAlertDialog(
                                        text: '未连接打印机',
                                        childCallback: (val) {});
                                    });
                                }
                              });
                          });
                      });
                    });
                  });
                });
                return MyAlertDialog(
                  //调用对话框
                  text: '订单修改成功！',
                  childCallback: (val) {
                      Navigator.pop(context, true);
                  },
                );
            });
        } else {
          setState(() {
            submitStatus = true;
          });
          OrderDetailObj parentObj = OrderDetailObj.fromJson(resp.data);
          showDialog < Null > (
            context: context, //BuildContext对象
            barrierDismissible: false,
            builder: (BuildContext context) {
              return MyAlertDialog( //调用对话框
                text: parentObj.msg, childCallback: (val) {
                  Navigator.pop(context, true);
                },
              );
            });
        }
      });
  }
}

Widget titleWidget(String iconUrl, String str) {
  return Container(
    height: ScreenUtil.getInstance().setHeight(90),
    padding: EdgeInsets.only(left: ScreenUtil.getInstance().setWidth(30)),
    child: Center(
      child: Row(
        mainAxisAlignment: MainAxisAlignment.start,
        children: < Widget > [
          Padding(
            padding: EdgeInsets.only(
              right: ScreenUtil.getInstance().setHeight(20)),
            child: Image.asset(
              iconUrl,
              width: ScreenUtil.getInstance().setWidth(40),
              height: ScreenUtil.getInstance().setHeight(40),
            )),
          Text(
            str,
            style: TextStyle(fontSize: ScreenUtil.getInstance().setSp(32)),
          )
        ],
      ),
    ),
  );
}

Widget underLine() {
  return Container(
    color: Color.fromRGBO(223, 223, 223, 1),
    height: ScreenUtil.getInstance().setHeight(1),
  );
}

Widget contentWiget(String key, String value) {
  return Padding(
    padding: EdgeInsets.only(left: ScreenUtil.getInstance().setWidth(30)),
    child: Column(
      children: < Widget > [
        Padding(
          padding:
          EdgeInsets.only(right: ScreenUtil.getInstance().setWidth(30)),
          child: SizedBox(
            height: ScreenUtil.getInstance().setHeight(89),
            child: Center(
              child: Row(
                mainAxisAlignment: MainAxisAlignment.spaceBetween,
                children: < Widget > [
                  Text(
                    key,
                    style: TextStyle(
                      fontSize: ScreenUtil.getInstance().setSp(30),
                      color: Color.fromRGBO(74, 74, 74, 1)),
                  ),
                  Text(
                    value,
                    style: TextStyle(
                      fontSize: ScreenUtil.getInstance().setSp(30),
                      color: Color.fromRGBO(136, 136, 136, 1)),
                  ),
                ],
              ),
            ))),
        Expanded(flex: 0, child: underLine())
      ],
    ));
}

Widget lastContentWiget(String key, String value) {
  return Padding(
    padding: EdgeInsets.only(left: ScreenUtil.getInstance().setWidth(30)),
    child: Padding(
      padding: EdgeInsets.only(right: ScreenUtil.getInstance().setWidth(30)),
      child: SizedBox(
        height: ScreenUtil.getInstance().setHeight(89),
        child: Center(
          child: Row(
            mainAxisAlignment: MainAxisAlignment.spaceBetween,
            children: < Widget > [
              Text(
                key,
                style: TextStyle(
                  fontSize: ScreenUtil.getInstance().setSp(30),
                  color: Color.fromRGBO(74, 74, 74, 1)),
              ),
              Text(
                value,
                style: TextStyle(
                  fontSize: ScreenUtil.getInstance().setSp(30),
                  color: Color.fromRGBO(136, 136, 136, 1)),
              ),
            ],
          ),
        ))),
  );
}

Widget _getMoreWidget() {
  return Center(
    child: Padding(
      padding: EdgeInsets.all(10.0),
      child: Row(
        mainAxisAlignment: MainAxisAlignment.center,
        crossAxisAlignment: CrossAxisAlignment.center,
        children: < Widget > [
          Text(
            '加载中...',
            style: TextStyle(fontSize: 16.0),
          ),
          Container(
            width: ScreenUtil.getInstance().setWidth(50),
            height: ScreenUtil.getInstance().setHeight(50),
            child: CircularProgressIndicator())
        ],
      ),
    ),
  );
}