import 'dart:convert';
import 'dart:math';
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';
import 'package:logger/logger.dart';
import 'package:uuid/uuid.dart';

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

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

class _StockInBuyState extends State<StockInBuy> {
  List<StockInDataXuGong> stockInDataXuGong = [];
  static var logger = Logger(
    printer: PrettyPrinter(),
  );
  static var uuidGen = Uuid();

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

  void _fetchOrderData() {
    _fetchGoodsData();
    logger.e("yuqili1 ${stockInDataXuGong}");
  }

  Future<void> _fetchGoodsData() async {
    final response = await StockInApi.getAppOrderGoodsList();

    if (response["code"] != 200) {
      var thisContext = context;
      if (thisContext.mounted) {
        DialogUtils.showWarningMessage(thisContext, "警告", "服务器请求失败", btnLabel: "我知道了");
      }
      return;
    }

    final data = jsonDecode(response["data"]);
    logger.e("yuqili2 $data");

    final List<dynamic> res = data["rows"];
    stockInDataXuGong = res.map((item) => StockInDataXuGong.fromJson(item)).toList();
  }

  @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: FutureBuilder<void>(
        future: _fetchGoodsData(),
        builder: (context, snapshot) {
          if (snapshot.connectionState == ConnectionState.waiting) {
            return const Center(child: CircularProgressIndicator());
          } else if (snapshot.hasError) {
            return Center(child: Text("请求发生错误: ${snapshot.error}"));
          } else {
            return 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) async {
    final updatedItem = await Navigator.of(context).push(
      MaterialPageRoute(
        builder: (context) => EditStockInPage(item: item),
      ),
    );

    if (updatedItem != null) {
      setState(() {
        final index = stockInDataXuGong.indexWhere((e) => e.goodsId == item.goodsId);
        if (index != -1) {
          stockInDataXuGong[index] = updatedItem; // 更新列表
        }
      });
    }
  }



  void _addMaterial(StockInDataXuGong item) {
    StockInApi.addStockIn(item).then((response) {
      logger.e("yuqili $response");
      if (response["code"] != 200) {
        var thisContext = context;
        if (thisContext.mounted) {
          DialogUtils.showWarningMessage(thisContext, "警告", "服务器请求失败",
              btnLabel: "我知道了");
        }
        return;
      }
      final data = Map<String, dynamic>.from(jsonDecode(response["data"]));
      if (data["code"] == 200) {
        DialogUtils.showSuccessMessage(context, "成功", "添加入库",
            btnLabel: "我知道了");
        return;
      }
    }).catchError((err) {
      var thisContext = context;
      if (thisContext.mounted) {
        DialogUtils.showErrorMessage(
            thisContext, "请求发生错误", "请求服务器发生错误：${err.toString()}",
            btnLabel: "我知道了");
      }
      return;
    });
  }

  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.addCompleted(uuidGen.v4()).then((response) {
            logger.e("yuqili $response");
            if (response["code"] != 200) {
              DialogUtils.showWarningMessage(context, "警告", "服务器请求失败", btnLabel: "我知道了");
              return;
            }
            final data = Map<String, dynamic>.from(jsonDecode(response["data"]));
            if (data["code"] == 200) {
              setState(() {
                stockInDataXuGong.clear();
              });
              DialogUtils.showSuccessMessage(context, "码盘成功", "", btnLabel: "我知道了");
            } else {
              DialogUtils.showWarningMessage(
                  context, "警告", "服务器返回失败：${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 EditStockInPage extends StatefulWidget {
  final StockInDataXuGong item;
  const EditStockInPage({super.key, required this.item});

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

class _EditStockInPageState extends State<EditStockInPage> {
  late TextEditingController goodsIdController;
  late TextEditingController goodsNumController;
  late TextEditingController goodsDescController;
  late TextEditingController weightController;
  late TextEditingController sizeController;

  @override
  void initState() {
    super.initState();
    goodsIdController = TextEditingController(text: widget.item.goodsId);
    goodsNumController = TextEditingController(text: widget.item.goodsNum.toString());
    goodsDescController = TextEditingController(text: widget.item.goodsDesc);
    weightController = TextEditingController(text: widget.item.weight.toString());
    sizeController = TextEditingController(text: widget.item.size);
  }

  @override
  void dispose() {
    goodsIdController.dispose();
    goodsNumController.dispose();
    goodsDescController.dispose();
    weightController.dispose();
    sizeController.dispose();
    super.dispose();
  }

  void _saveEdits() {
    // Create the updated item
    StockInDataXuGong updatedItem = StockInDataXuGong(
      goodsId: goodsIdController.text,
      goodsNum: double.parse(goodsNumController.text),
      orderNo: widget.item.orderNo,  // Retain the original value
      orderType: widget.item.orderType,  // Retain the original value
      customerName: widget.item.customerName,  // Retain the original value
      goodsDesc: goodsDescController.text,
      weight: double.parse(weightController.text),
      size: sizeController.text,
      spare1: widget.item.spare1,  // Retain the original value
      spare2: widget.item.spare2,  // Retain the original value
      containerNo: widget.item.containerNo,  // Retain the original value
    );

    // Pass the updated item back to the previous page
    Navigator.of(context).pop(updatedItem);
  }


  @override
  Widget build(BuildContext context) {
    return Scaffold(
      appBar: AppBar(
        iconTheme: const IconThemeData(color: Colors.white),
        centerTitle: true,
        title: const Text('编辑物料'),
        backgroundColor: ColorCommon.colorScheme,
      ),
      body: Padding(
        padding: const EdgeInsets.all(16.0),
        child: ListView(
          children: [
            TextField(
              controller: goodsIdController,
              decoration: const InputDecoration(labelText: '物料号'),
            ),
            TextField(
              controller: goodsNumController,
              decoration: const InputDecoration(labelText: '数量'),
              keyboardType: TextInputType.number,
            ),
            TextField(
              controller: goodsDescController,
              decoration: const InputDecoration(labelText: '描述'),
            ),
            TextField(
              controller: weightController,
              decoration: const InputDecoration(labelText: '重量 (kg)'),
              keyboardType: TextInputType.number,
            ),
            TextField(
              controller: sizeController,
              decoration: const InputDecoration(labelText: '尺寸'),
            ),
            // Non-editable fields styled to look like editable ones but greyed out
            TextField(
              controller: TextEditingController(text: widget.item.orderNo),
              decoration: const InputDecoration(labelText: "单据号"),
              enabled: false,
              style: TextStyle(color: Colors.grey),
            ),
            TextField(
              controller: TextEditingController(text: widget.item.orderType),
              decoration: const InputDecoration(labelText: "单据类型"),
              enabled: false,
              style: TextStyle(color: Colors.grey),
            ),
            TextField(
              controller: TextEditingController(text: widget.item.customerName),
              decoration: const InputDecoration(labelText: "客户名称"),
              enabled: false,
              style: TextStyle(color: Colors.grey),
            ),
            TextField(
              controller: TextEditingController(text: widget.item.containerNo),
              decoration: const InputDecoration(labelText: "容器号"),
              enabled: false,
              style: TextStyle(color: Colors.grey),
            ),
            TextField(
              controller: TextEditingController(text: widget.item.spare1),
              decoration: const InputDecoration(labelText: "备用1"),
              enabled: false,
              style: TextStyle(color: Colors.grey),
            ),
            TextField(
              controller: TextEditingController(text: widget.item.spare2),
              decoration: const InputDecoration(labelText: "备用2"),
              enabled: false,
              style: TextStyle(color: Colors.grey),
            ),
            Padding(
              padding: const EdgeInsets.symmetric(vertical: 20.0),
              child: ElevatedButton(
                onPressed: _saveEdits,
                child: const Text('保存'),
              ),
            ),
          ],
        ),
      ),
    );
  }
}