import 'package:flutter/material.dart';
import 'package:intl/intl.dart';
import 'package:qhd_prevention/pages/my_appbar.dart';

import '../../http/ApiService.dart';
import '../../tools/tools.dart';
import 'mine_duty_application.dart';
import 'mine_duty_detail.dart';

class LeaveRecord {
  final String applicant;
  final String department;
  final String position;
  final DateTime startDate;
  final DateTime endDate;
  final String status;
  final Color statusColor;

  LeaveRecord({
    required this.applicant,
    required this.department,
    required this.position,
    required this.startDate,
    required this.endDate,
    required this.status,
    required this.statusColor,
  });
}

///离岗管理列表
class MineDutyManagementPage extends StatefulWidget {
  const MineDutyManagementPage({super.key});

  @override
  State<MineDutyManagementPage> createState() => _MineDutyManagementPageState();
}

class _MineDutyManagementPageState extends State<MineDutyManagementPage> {

  int showCount=-1;
  int currentPage=1;
  late List<dynamic> _list = [];


  Future<void> _onRefresh() async {
    // 模拟网络请求
    await Future.delayed(const Duration(seconds: 2));
    // 刷新数据逻辑，如 fetchData()
    setState(() {
      // TODO: 更新数据源
      refreshData();
    });
  }

  @override
  void initState() {
    _getListData();

  }

  void refreshData(){
    currentPage=1;
    _list.clear();
    _getListData();
  }


  @override
  Widget build(BuildContext context) {

    // 模拟数据
    // final leaveRecords = [
    //   LeaveRecord(
    //     applicant: "王轩",
    //     department: "测试部",
    //     position: "测试员",
    //     startDate: DateTime(2025, 7, 18),
    //     endDate: DateTime(2025, 7, 18),
    //     status: "无需审批",
    //     statusColor: const Color(0xFF4CAF50),
    //   ),
    //   LeaveRecord(
    //     applicant: "王轩",
    //     department: "测试部",
    //     position: "测试员",
    //     startDate: DateTime(2025, 7, 16),
    //     endDate: DateTime(2025, 7, 16),
    //     status: "无需审批",
    //     statusColor: const Color(0xFF4CAF50),
    //   ),
    //   LeaveRecord(
    //     applicant: "李思",
    //     department: "开发部",
    //     position: "高级工程师",
    //     startDate: DateTime(2025, 7, 20),
    //     endDate: DateTime(2025, 7, 22),
    //     status: "待审批",
    //     statusColor: const Color(0xFFF57C00),
    //   ),
    //   LeaveRecord(
    //     applicant: "张伟",
    //     department: "产品部",
    //     position: "产品经理",
    //     startDate: DateTime(2025, 7, 15),
    //     endDate: DateTime(2025, 7, 17),
    //     status: "已拒绝",
    //     statusColor: const Color(0xFFF44336),
    //   ),
    // ];

    return Scaffold(
      backgroundColor: const Color(0xFFF5F7FA),
      appBar: MyAppbar(title: "离岗管理",actions: [
        TextButton(
            onPressed: () {

              Navigator.push(
                context,
                MaterialPageRoute(
                  builder: (context) => MineDutyApplicationPage(
                    onClose: (result) {
                      // print('详情页面已关闭，返回结果: $result');
                      refreshData();
                    },
                  ),
                ),
              );
              // pushPage(MineDutyApplicationPage(), context);
        },
            child: Text("申请",style: TextStyle(color: Colors.white,fontSize: 16,fontWeight:FontWeight.bold),))
      ],),
      body:
    RefreshIndicator(
    onRefresh: _onRefresh,
     child:
     // Column(
     //    children: [
          // 顶部信息栏
          // Container(
          //   padding: const EdgeInsets.symmetric(horizontal: 16, vertical: 12),
          //   color: const Color(0xFFE3F2FD),
          //   child: const Row(
          //     children: [
          //     Icon(Icons.info_outline, color: Color(0xFF1976D2)),
          //     SizedBox(width: 8),
          //     Text(
          //       "离岗记录显示最近30天内的申请记录",
          //       style: TextStyle(color: Color(0xFF1976D2), fontSize: 14),
          //     ),
          //     ],
          //   ),
          // ),

          // 记录列表
          Expanded(
            child:
              _list.isEmpty
              ? Center(child: Text('暂无数据'))
              : ListView.builder(
              padding: const EdgeInsets.symmetric(vertical: 16),
              itemCount: _list.length,
              itemBuilder: (context, index) {
                final record = _list[index];
                return _buildRecordCard(record,context);
              },
            ),
        //   ),
        // ],
      ),
    ),
    );
  }

  Widget _buildRecordCard(final item , BuildContext context) {
    // final dateFormat = DateFormat('yyyy-MM-dd');
    // final isSameDay = record.startDate == record.endDate;
    // final dateRange = isSameDay
    //     ? dateFormat.format(record.startDate)
    //     : "${dateFormat.format(record.startDate)} 至 ${dateFormat.format(record.endDate)}";
    final dateRange ="${item['STARTTIME']} 至 ${item['ENDTIME']}";

    return
      GestureDetector(
      onTap: () {
        pushPage(MineDutyDetailPage(item), context);
      },
      child:
      Container(
        margin: const EdgeInsets.symmetric(horizontal: 16, vertical: 8),
        decoration: BoxDecoration(
          color: Colors.white,
          borderRadius: BorderRadius.circular(12),
          boxShadow: [
            BoxShadow(
              color: Colors.grey.withOpacity(0.1),
              spreadRadius: 1,
              blurRadius: 6,
              offset: const Offset(0, 2),
            )
          ],
        ),
        child: Padding(
          padding: const EdgeInsets.all(16),
          child: Column(
            crossAxisAlignment: CrossAxisAlignment.start,
            children: [
              // 申请人信息
              Row(
                children: [
                  // Container(
                  //   width: 40,
                  //   height: 40,
                  //   decoration: BoxDecoration(
                  //     color: const Color(0xFFE3F2FD),
                  //     shape: BoxShape.circle,
                  //   ),
                  //   child: const Icon(Icons.person, color: Color(0xFF1976D2)),
                  // ),
                  // const SizedBox(width: 12),
                  Column(
                    crossAxisAlignment: CrossAxisAlignment.start,
                    children: [
                      Text(
                        "申请人：${item['USER_NAME']}",
                        style: const TextStyle(
                          fontSize: 16,
                          fontWeight: FontWeight.w600,
                        ),
                      ),
                      const SizedBox(height: 4),
                      Text(
                        "部门：${item['DEPARTMENTNAME']} \n岗位：${item['POSTNAME']}",
                        style: TextStyle(
                          fontSize: 13,
                          color: Colors.grey[600],
                        ),
                      ),

                    ],
                  ),
                  // const Spacer(),

                ],
              ),

              const SizedBox(height: 8),

              // 离岗时间
              Row(
                children: [
                  const Icon(Icons.calendar_today, size: 18, color: Colors.grey),
                  const SizedBox(width: 8),
                  Expanded(
                      child:  Text(
                        "离岗时间: $dateRange",
                        style: const TextStyle(color: Colors.grey),
                      ),
                  ),

                ],
              ),

              const SizedBox(height: 4),
              // Container(
              //   padding: const EdgeInsets.symmetric( vertical: 6),
              //   // decoration: BoxDecoration(
              //   //   color: record.statusColor.withOpacity(0.1),
              //   //   borderRadius: BorderRadius.circular(20),
              //   // ),
              //   child:
                Text(
                  "审核状态：${_getTypeReturn(item)}",
                  // record.status,
                  style: TextStyle(
                    color: Colors.black,
                    fontWeight: FontWeight.w500,
                  ),
                ),
              // ),

              const SizedBox(height: 4),

              // 操作按钮
              if( item["REVIEW_STATUS"]=="0"&&DateTime.now().isBefore(item["ENDTIME"])&&
                  (item["REVIEW_USER_ID"]==SessionService.instance.loginUserId)&&
                  SessionService.instance.loginUser?["USERNAME"]=="1"&&item['REVIEW_STATUS']=="0")
              Row(
                mainAxisAlignment: MainAxisAlignment.end,
                children: [
                  ElevatedButton(
                    onPressed: () {
                      showDialog(
                        context: context,
                        builder: (context) =>  DutyDialog(
                            item,1,
                            onClose: (result) {
                                // print('详情页面已关闭，返回结果: $result');
                                refreshData();
                            },

                        ),
                      );
                    },
                    style: ElevatedButton.styleFrom(
                      backgroundColor: const Color(0xFF1976D2),
                      // padding: const EdgeInsets.symmetric(horizontal: 10),
                    ),
                    child: const Text("审 批", style: TextStyle(color: Colors.white,fontSize: 12)),
                  ),

                  const SizedBox(width: 16),

                    ElevatedButton(
                      onPressed: () {
                        showDialog(
                          context: context,
                          builder: (context) =>  DutyDialog(
                            item,2,
                            onClose: (result) {
                              // print('详情页面已关闭，返回结果: $result');
                              refreshData();
                            },

                          ),
                        );
                      },
                      style: ElevatedButton.styleFrom(
                        backgroundColor: Colors.red,
                        // padding: const EdgeInsets.symmetric(horizontal: 10),
                      ),
                      child: const Text("取 消", style: TextStyle(color: Colors.white,fontSize: 12)),
                    )

                ],
              ),
            ],
          ),
        ),
      ),
    );

  }

  Future<void> _getListData() async {
    try {

      final result = await ApiService.getDutyManagement(showCount,currentPage);
      if (result['result'] == 'success') {
        final List<dynamic> newList = result['varList'] ?? [];
        setState(() {
          _list.addAll(newList);
        });
      }
    } catch (e) {
      print('加载出错: $e');
    }
  }


  String _getTypeReturn(final item) {
      String type=item['REVIEW_STATUS'];
     if("0"==type){
       return "待审批";
     }else if("1"==type){
       return "审批通过";
     }else if("2"==type){
        return "无需审批";
     }else if("-1"==type){
       String type2=item['ISDELETE'];
       if("1"==type2){
          if(item['CREATOR']==item['OPERATOR']){
            return "申请人取消";
          }else{
            return "审批人取消";
          }
       }else{
         return "审批打回";
       }
     }else{
       return "审批错误";
     }
  }


}



enum FeedbackType {
  tongGuo,
  Dahui,
}

class DutyDialog extends StatefulWidget {
  const DutyDialog(this.item,this.type, {super.key,required this.onClose});

  final Function(String) onClose; // 回调函数
  final item;
  final int type;


  @override
  State<DutyDialog> createState() => _DutyDialogState();
}

class _DutyDialogState extends State<DutyDialog> {

  final TextEditingController _reasonController = TextEditingController();
  // 反馈类型
  FeedbackType? _selectedType = FeedbackType.tongGuo;

  // 获取反馈类型名称
  String _getTypeName(FeedbackType type) {
    switch (type) {
      case FeedbackType.tongGuo:
        return '通过';
      case FeedbackType.Dahui:
        return '打回';
    }
  }


  Future<void> _dutyApproval() async {
    try {

      String typeString;
      if(FeedbackType.tongGuo==_selectedType){
        typeString="1";
      }else{
        typeString="-1";
      }

      final result = await ApiService.dutyApproval(typeString,_reasonController.text,widget.item["OFFDUTY_ID"]);
      if (result['result'] == 'success') {
        widget.onClose('关闭提交'); // 触发回调
      }
    } catch (e) {
      print('加载出错: $e');
    }
  }

  Future<void> _dutyReturned() async {
    try {

      final result = await ApiService.dutyReturned("-1",_reasonController.text,widget.item["OFFDUTY_ID"]);
      if (result['result'] == 'success') {
        widget.onClose('关闭提交'); // 触发回调
      }
    } catch (e) {
      print('加载出错: $e');
    }
  }

  @override
  Widget build(BuildContext context) {
    return Dialog(
      shape: RoundedRectangleBorder(borderRadius: BorderRadius.circular(12)),
      child: Container(
        padding: const EdgeInsets.all(20),
        child: Column(
          mainAxisSize: MainAxisSize.min,
          crossAxisAlignment: CrossAxisAlignment.start,
          children: [
            // 标题
            const Center(
              child: Text(
                '离岗审批',
                style: TextStyle(fontSize: 20, fontWeight: FontWeight.bold),
              ),
            ),

            const SizedBox(height: 20),

            // 操作按钮行
            // Row(
            //   mainAxisAlignment: MainAxisAlignment.spaceEvenly,
            //   children: [
            //     _buildActionButton('通过', Colors.green),
            //     _buildActionButton('打印', Colors.blue),
            //   ],
            // ),
            if(1==widget.type)
            Center(
              child:  Wrap(
                spacing: 16,
                children:
                FeedbackType.values.map((type) {
                  return ChoiceChip(
                    label: Text(_getTypeName(type)),
                    selected: _selectedType == type,
                    onSelected: (selected) {
                      setState(() {
                        if (selected) {
                          _selectedType = type;
                        }
                      });
                    },
                  );
                }).toList(),
              ),
            ),


            const SizedBox(height: 20),

            // 输入框
             TextField(
              controller: _reasonController,
              decoration: InputDecoration(
                border: OutlineInputBorder(),
                hintText: widget.type==1?'请输入审批意见':'请输入原因',
                contentPadding: EdgeInsets.symmetric(horizontal: 12, vertical: 16),
              ),
              maxLines: 4,
            ),

            const SizedBox(height: 20),

            // 底部按钮
            Row(
              mainAxisAlignment: MainAxisAlignment.spaceEvenly,
              children: [
                Expanded(
                  child: ElevatedButton(
                    onPressed: (){
                          if(_reasonController.text.isEmpty){
                            ScaffoldMessenger.of(context).showSnackBar(
                                 SnackBar(content: Text(widget.type==1?'请输入审批意见':'请输入原因'))
                            );
                            return;
                          }

                          if(1==widget.type){
                            _dutyApproval();//审批
                          }else{
                            _dutyReturned();//打回
                          }
                          Navigator.pop(context);
                        } ,
                    style: ElevatedButton.styleFrom(
                      backgroundColor: Colors.blue,
                      padding: const EdgeInsets.symmetric(vertical: 14),
                    ),
                    child: const Text('提交',style: TextStyle(color: Colors.white),),
                  ),
                ),
                const SizedBox(width: 15),
                Expanded(
                  child: ElevatedButton(
                    onPressed: (){
                      Navigator.pop(context);
                    } ,
                    style: ElevatedButton.styleFrom(
                      backgroundColor: Colors.grey,
                      padding: const EdgeInsets.symmetric(vertical: 14),
                    ),
                    child: const Text('关闭',style: TextStyle(color: Colors.white),),
                  ),
                ),
              ],
            ),
          ],
        ),
      ),
    );
  }


}