import 'dart:convert';
import 'dart:ffi';

import 'package:bruno/bruno.dart';
import 'package:flutter/material.dart';
import 'package:uuid/uuid.dart';
import 'package:wms_app/api_client/stock_in.dart';
import 'package:wms_app/component/card/stock_in_card_xugong.dart';
import 'package:wms_app/model/bo/stock_in_data_xugong.dart';
import '../../common/colorCom.dart';
import '../../utils/dialogUtils.dart';

class StockInNormal extends StatefulWidget {
  const StockInNormal({super.key});

  @override
  State<StockInNormal> createState() => _StockInNormalState();
}

/// 通用普通码盘界面
class _StockInNormalState extends State<StockInNormal> {
  Uuid uuidGen = Uuid();

  final _vehicleTextController = TextEditingController(); // 载具号输入框
  final _goodsCodeController = TextEditingController(); // 条码输入框
  final _goodsNumController = BrnStepsController();
  final _listIdController = TextEditingController();
  final _orderTypeController = TextEditingController();
  final _customerNameController = TextEditingController();
  final _goodsDescController = TextEditingController();
  final _goodsUnitController = TextEditingController();
  final _weightController = TextEditingController();
  final _sizeController = TextEditingController();
  final _spare1Controller = TextEditingController();
  final _spare2Controller = TextEditingController();

  int goodsNum = 1; // 物料数量

  List<StockInDataXuGong> stockInDataXuGong = [];

  @override
  Widget build(BuildContext context) {
    return Scaffold(
      appBar: AppBar(
        iconTheme: const IconThemeData(color: Colors.white),
        leading: IconButton(
            onPressed: () {
              Navigator.of(context).pop();
            },
            icon: const Icon(Icons.arrow_back)),
        centerTitle: true,
        backgroundColor: ColorCommon.colorScheme,
        title: const Text(
          "其他物料入库",
          style: TextStyle(color: Colors.white),
        ),
        actions: [
          TextButton(
            onPressed: () {},
            style: const ButtonStyle(
                foregroundColor: WidgetStatePropertyAll(Colors.white)),
            child: const Text("清空"),
          )
        ],
      ),
      body: Center(
        child: Padding(
            padding: const EdgeInsets.only(top: 5, left: 10, right: 10),
            child: ListView(
              children: [
                BrnTextInputFormItem(
                  controller: _goodsCodeController,
                  title: "物料号：",
                  hint: "请输入或扫描物料号",
                  isRequire: true,
                ),
                BrnStepInputFormItem(
                    title: "物料数量：",
                    minLimit: 1,
                    value: goodsNum,
                    maxLimit: 9999,
                    isRequire: true,
                    canManualInput: true,
                    onChanged: (newValue, _) {
                      setState(() {
                        goodsNum = newValue;
                      });
                    }),
                BrnTextInputFormItem(
                  controller: _listIdController,
                  title: "单据号：",
                  hint: "请输入或扫描单据号",
                  isRequire: true,
                ),
                BrnTextInputFormItem(
                  controller: _orderTypeController,
                  title: "单据类型：",
                  hint: "请输入或扫描单据类型",
                  isRequire: true,
                ),
                BrnTextInputFormItem(
                  controller: _customerNameController,
                  title: "客户名称：",
                  hint: "请输入或扫描客户名称",
                  isRequire: true,
                ),
                BrnTextInputFormItem(
                  controller: _goodsDescController,
                  title: "物料描述：",
                  hint: "请输入或扫描物料描述",
                  isRequire: true,
                ),
                BrnTextInputFormItem(
                  controller: _goodsUnitController,
                  title: "物料单位：",
                  hint: "请输入物料单位",
                  isRequire: true,
                ),
                BrnTextInputFormItem(
                  controller: _weightController,
                  title: "重量：",
                  hint: "仅支持数字(保留小数点四位)",
                  isRequire: true,
                  unit: "KG",
                ),
                BrnTextInputFormItem(
                  controller: _sizeController,
                  title: "尺寸：",
                  hint: "请输入或扫描尺寸",
                  isRequire: true,
                ),
                BrnTextInputFormItem(
                  controller: _spare1Controller,
                  title: "备用1：",
                  hint: "请输入",
                  isRequire: true,
                ),
                BrnTextInputFormItem(
                  controller: _spare2Controller,
                  title: "备用2：",
                  hint: "请输入",
                  isRequire: true,
                ),
                ElevatedButton(
                    onPressed: resolveCode,
                    style: ButtonStyle(
                      backgroundColor:
                      WidgetStateProperty.all(ColorCommon.colorScheme),
                    ),
                    child: const Text("添加物料",
                        style: TextStyle(color: Colors.white))),
                BrnTextInputFormItem(
                  controller: _vehicleTextController,
                  title: "容器号：",
                  hint: "",
                  isRequire: true,
                ),
                Padding(
                    padding: const EdgeInsets.only(top: 0),
                    child: ElevatedButton(
                        onPressed: wheelComplete,
                        style: ButtonStyle(
                          backgroundColor:
                          WidgetStateProperty.all(ColorCommon.colorScheme),
                        ),
                        child: const Text("码盘完成",
                            style: TextStyle(color: Colors.white)))),
                const Padding(
                  padding: EdgeInsets.only(top: 10, bottom: 10),
                  child: Text("添加在载具的物料："),
                ),
                StockInCardXuGong(stockInDataXuGong: stockInDataXuGong)
              ],
            )),
      ),
    );
  }

  /// 解析条码
  void resolveCode() {
    setState(() {
      stockInDataXuGong.add(StockInDataXuGong(
          customerName: _customerNameController.text,
          weight: double.parse(_weightController.text),
          size: int.parse(_sizeController.text),
          unit: _goodsUnitController.text,
          listId: _listIdController.text,
          orderType: int.parse(_orderTypeController.text),
          goodsNum: goodsNum,
          goodsId: _goodsCodeController.text,
          goodsDesc: _goodsDescController.text,
          spare1: _spare1Controller.text,
          spare2: _spare2Controller.text));
    });
    return;
  }

  void wheelComplete() {
    if (stockInDataXuGong.isEmpty) {
      DialogUtils.showWarningMessage(
          context, "警告", "您的码盘数据为空", btnLabel: "确定");
      return;
    }

    String vehicleNo = _vehicleTextController.text;
    int dataCount = stockInDataXuGong.length;

    DialogUtils.showConfirmMessage(
        context,
        "码盘完成",
        "载具：$vehicleNo 码盘 $dataCount 条数据，是否继续？",
        confirmBtn: "继续",
        confirm: () {
          int taskType = 1; // 1 表示进库，2 表示进站台
          BrnLoadingDialog.show(context, content: "正在请求入库");
          _stockInComplete(vehicleNo).then((isTaskSuccess) {
            _dismissLoading();
            if (isTaskSuccess) {
              _showSuccessDialog("入库成功");
              _clearData();
            } else {
              _showWarningDialog("创建任务失败");
            }
          }).catchError((err) {
            _dismissLoading();
            _handleError(err);
          });
        });
  }

// 完成入库请求
  Future<bool> _stockInComplete(String vehicleNo) async {
    try {
      var response = await StockInApi.stockInComplete(
          stockInDataXuGong, vehicleNo);
      if (response["code"] != 200) {
        _showWarningDialog("服务器请求失败");
        return false;
      }
      return true;
    } catch (err) {
      _handleError(err);
      return false;
    }
  }

// 显示错误提示
  void _handleError(dynamic err) {
    var thisContext = context;
    if (thisContext.mounted) {
      DialogUtils.showErrorMessage(
          thisContext,
          "请求发生错误",
          "请求服务器发生错误：${err.toString()}",
          btnLabel: "我知道了"
      );
    }
  }

// 显示成功提示
  void _showSuccessDialog(String message) {
    var thisContext = context;
    if (thisContext.mounted) {
      DialogUtils.showSuccessMessage(
          thisContext,
          message,
          "",
          btnLabel: "我知道了"
      );
    }
  }

// 显示警告提示
  void _showWarningDialog(String message) {
    var thisContext = context;
    if (thisContext.mounted) {
      DialogUtils.showWarningMessage(
          thisContext,
          "警告",
          message,
          btnLabel: "我知道了"
      );
    }
  }

// 清除数据
  void _clearData() {
    setState(() {
      _vehicleTextController.clear();
      stockInDataXuGong = [];
    });
  }

// 隐藏加载对话框
  void _dismissLoading() {
    var thisContext = context;
    if (thisContext.mounted) {
      BrnLoadingDialog.dismiss(thisContext);
    }
  }
}