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

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

  @override
  State<StockInBuy> createState() => _StockInBuyState();
}

class _StockInBuyState extends State<StockInBuy> {
  List<StockInDataXuGong> stockInDataXuGong = [];

  @override
  void initState() {
    super.initState();
    _fetchOrderData();
  }

  void _fetchOrderData() {
    Future.delayed(Duration(seconds: 1), () {
      String orderNo = "order123";
      _fetchGoodsData(orderNo);
    });
  }

  void _fetchGoodsData(String orderNo) {
    Future.delayed(Duration(seconds: 1), () {
      setState(() {
        stockInDataXuGong = [
          StockInDataXuGong(
              goodsId: "001",
              goodsNum: 5,
              orderNo: orderNo,
              orderType: "订购",
              customerName: "Customer A",
              goodsDesc: "Material 1 Description",
              weight: 20.0,
              size: "Small",
              spare1: "Spare1A",
              spare2: "Spare2A",
              containerNo: "Container123"),
          StockInDataXuGong(
              goodsId: "002",
              goodsNum: 10,
              orderNo: orderNo,
              orderType: "订购",
              customerName: "Customer B",
              goodsDesc: "Material 2 Description",
              weight: 15.5,
              size: "Medium",
              spare1: "Spare1B",
              spare2: "Spare2B",
              containerNo: "Container456"),
        ];
      });
    });
  }

  @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(
          "采购有货入库",
          style: TextStyle(color: Colors.white),
        ),
      ),
      body: Center(
        child: Padding(
          padding: const EdgeInsets.only(top: 5, left: 10, right: 10),
          child: Column(
            children: [
              Expanded(
                child: ListView.builder(
                  itemCount: stockInDataXuGong.length,
                  itemBuilder: (context, index) {
                    final item = stockInDataXuGong[index];
                    return Card(
                      margin: const EdgeInsets.symmetric(vertical: 5),
                      child: ListTile(
                        onTap: () => _editGood(item),
                        title: Row(
                          children: [
                            Expanded(child: Text("物料号: ${item.goodsId}")),
                            Expanded(child: Text("数量: ${item.goodsNum}")),
                            Expanded(child: Text("描述: ${item.goodsDesc}")),
                            Expanded(child: Text("重量: ${item.weight} KG")),
                            Expanded(child: Text("尺寸: ${item.size}")),
                            IconButton(
                              icon: const Icon(Icons.add),
                              onPressed: () {
                                _addMaterial(item);
                              },
                            ),
                            IconButton(
                              icon: const Icon(Icons.edit),
                              onPressed: () {
                                _editGood(item);
                              },
                            ),
                          ],
                        ),
                      ),
                    );
                  },
                ),
              ),
              Padding(
                padding: const EdgeInsets.all(10),
                child: ElevatedButton(
                  onPressed: _completeStockIn,
                  child: const Text("码盘完成"),
                ),
              ),
            ],
          ),
        ),
      ),
    );
  }

  void _editGood(StockInDataXuGong item) {
    Navigator.push(
      context,
      MaterialPageRoute(
        builder: (context) => EditGoodPage(item: item, onSave: _updateGood),
      ),
    );
  }

  void _updateGood(StockInDataXuGong updatedItem) {
    setState(() {
      final index =
          stockInDataXuGong.indexWhere((e) => e.goodsId == updatedItem.goodsId);
      if (index != -1) {
        stockInDataXuGong[index] = updatedItem;
      }
    });
  }

  void _addMaterial(StockInDataXuGong item) {
    DialogUtils.showSuccessMessage(context, "添加物料成功", "", btnLabel: "我知道了");
  }

  void _completeStockIn() {
    if (stockInDataXuGong.isEmpty) {
      DialogUtils.showWarningMessage(context, "警告", "您的码盘数据为空", btnLabel: "确定");
      return;
    }
    DialogUtils.showConfirmMessage(context, "码盘完成", "是否完成入库？", confirmBtn: "完成",
        confirm: () {
      BrnLoadingDialog.show(context, content: "正在请求入库");
      StockInApi.stockInComplete({
        "vehicleNo":
            "",
        "inArea": "1",
        "storageArea": "",
        "goods": stockInDataXuGong,
      }).then((response) {
        if (response["code"] != 200) {
          DialogUtils.showWarningMessage(context, "警告", "服务器请求失败",
              btnLabel: "我知道了");
          return;
        }
        final data = Map<String, dynamic>.from(jsonDecode(response["data"]));
        if (data["code"] == 200) {
          setState(() {
            stockInDataXuGong.clear();
          });
          DialogUtils.showSuccessMessage(context, "码盘成功", "", btnLabel: "我知道了");
        } else {
          DialogUtils.showWarningMessage(
              context, "警告", "服务器返回失败：${data["message"]}",
              btnLabel: "我知道了");
        }
      }).catchError((err) {
        DialogUtils.showErrorMessage(
            context, "请求发生错误", "请求服务器发生错误：${err.toString()}",
            btnLabel: "我知道了");
      }).whenComplete(() {
        BrnLoadingDialog.dismiss(context);
      });
    });
  }
}

class EditGoodPage extends StatefulWidget {
  final StockInDataXuGong item;
  final Function(StockInDataXuGong) onSave;

  const EditGoodPage({super.key, required this.item, required this.onSave});

  @override
  _EditGoodPageState createState() => _EditGoodPageState();
}

class _EditGoodPageState extends State<EditGoodPage> {
  late StockInDataXuGong _editedItem;

  @override
  void initState() {
    super.initState();
    _editedItem = widget.item;
  }

  @override
  Widget build(BuildContext context) {
    return Scaffold(
      appBar: AppBar(
        title: const Text("编辑物料"),
        backgroundColor: ColorCommon.colorScheme,
      ),
      body: SingleChildScrollView(
        padding: const EdgeInsets.all(10),
        child: Column(
          children: [
            _buildEditableField("物料号", _editedItem.goodsId,
                (value) => _editedItem.goodsId = value),
            _buildEditableField("数量", _editedItem.goodsNum.toString(),
                (value) => _editedItem.goodsNum = double.tryParse(value) ?? 0),
            _buildEditableField("单据号", _editedItem.orderNo,
                (value) => _editedItem.orderNo = value),
            _buildEditableField("单据类型", _editedItem.orderType,
                (value) => _editedItem.orderType = value),
            _buildEditableField("客户名称", _editedItem.customerName,
                (value) => _editedItem.customerName = value),
            _buildEditableField("描述", _editedItem.goodsDesc,
                (value) => _editedItem.goodsDesc = value),
            _buildEditableField("重量", _editedItem.weight.toString(),
                (value) => _editedItem.weight = double.tryParse(value) ?? 0.0),
            _buildEditableField(
                "尺寸", _editedItem.size, (value) => _editedItem.size = value),
            _buildEditableField("备用1", _editedItem.spare1,
                (value) => _editedItem.spare1 = value),
            _buildEditableField("备用2", _editedItem.spare2,
                (value) => _editedItem.spare2 = value),
            _buildEditableField("容器号", _editedItem.containerNo,
                (value) => _editedItem.containerNo = value),
            ElevatedButton(
              onPressed: () {
                widget.onSave(_editedItem);
                Navigator.pop(context);
              },
              child: const Text("保存修改"),
            ),
          ],
        ),
      ),
    );
  }

  Widget _buildEditableField(
      String title, String initialValue, Function(String) onChanged) {
    TextEditingController controller =
        TextEditingController(text: initialValue);
    return Padding(
      padding: const EdgeInsets.symmetric(vertical: 8.0),
      child: TextField(
        controller: controller,
        decoration: InputDecoration(labelText: title),
        onChanged: onChanged,
        keyboardType: TextInputType.text,
      ),
    );
  }
}