import 'dart:io';
import 'package:flutter/material.dart';
import 'package:intl/intl.dart';
import 'package:qhd_prevention/customWidget/ItemWidgetFactory.dart';
import 'package:qhd_prevention/customWidget/custom_button.dart';
import 'package:qhd_prevention/customWidget/department_person_picker.dart';
import 'package:qhd_prevention/customWidget/department_picker.dart';
import 'package:qhd_prevention/customWidget/department_picker_hidden.dart';
import 'package:qhd_prevention/customWidget/department_picker_two.dart';
import 'package:qhd_prevention/customWidget/item_list_widget.dart';
import 'package:qhd_prevention/customWidget/photo_picker_row.dart';
import 'package:qhd_prevention/customWidget/picker/CupertinoDatePicker.dart';
import 'package:qhd_prevention/customWidget/toast_util.dart';
import 'package:qhd_prevention/http/ApiService.dart';
import 'package:qhd_prevention/services/SessionService.dart';
import 'package:qhd_prevention/tools/h_colors.dart';
import 'package:qhd_prevention/tools/tools.dart';




class DepartmentEntry {
  String department;
  String responsible;

  String index;
  String departmentId;
  String responsibleId;

  DepartmentEntry({
    required this.department,
    required this.responsible,

    required this.index,
    required this.departmentId,
    required this.responsibleId,


  });

  // 将对象转换为 Map
  Map<String, dynamic> toJson() {
    return {
      'deptId': departmentId,
      'userId': responsibleId,
      'deptName': department,
      'userName': responsible,
      'type': index,
    };
  }

  // 将对象转换为 Map
  Map<String, dynamic> toJsonTwo() {
    return {
      'departmentId': departmentId,
      'userId': responsibleId,
      'departmentName': department,
      'userName': responsible,
      'listManagerId': index,
    };
  }

}

/// 隐患整改
class DannerRepair extends StatefulWidget {
   DannerRepair(this.pd, {super.key});

  final Map<String, dynamic> pd;

  @override
  State<DannerRepair> createState() => DannerRepairState();
}

class DannerRepairState extends State<DannerRepair> {

  // 是否有整改方案
  bool acceptedPrepare = false;

  // 是否有整改计划
  bool acceptedPlan = false;

  final standardController = TextEditingController();
  final methodController = TextEditingController();
  final fundController = TextEditingController();
  final personController = TextEditingController();
  final workTimeController = TextEditingController();
  final timeController = TextEditingController();
  final workController = TextEditingController();
  final otherController = TextEditingController();
  final TextEditingController miaoShuController = TextEditingController();
  final TextEditingController linShiSZhengGaiController = TextEditingController();
  late var _selectData = DateTime.now();


  String investmentFunds="";
  String dataTime="";
  // 整改后图片
  List<String> gaiHouImages = [];
  //方案图片
  List<String> fangAnImages = [];
  //计划图片
  List<String> jiHuaImages = [];
  int yanShouAdd=1;

  // 是否是相关方
  bool _isStakeholder = false;



  final List<DepartmentEntry> departments = [
    DepartmentEntry(department: '请选择', responsible: '请选择',index:'300',departmentId: '',responsibleId:''),
  ];

  void _addDepartment() {
    setState(() {
      departments.add(DepartmentEntry(department: '请选择', responsible: '请选择',index:'300',departmentId: '',responsibleId:''));
    });
  }

  void _removeDepartment(int index) {
    if (index == 0) return; // 防止删除第一行
    setState(() {
      departments.removeAt(index);
    });
  }

  @override
  void initState() {
    // TODO: implement initState
    super.initState();
    // _yanShouFuZeItem.add(_departmentItem(0));

    setState(() {
      // _isStakeholder=true;
      _isStakeholder= widget.pd['isRelated']==1?true:false;
      if(_isStakeholder){
        //部门
        departments[0].departmentId=widget.pd['hiddenConfirmUserCO'][(widget.pd['hiddenConfirmUserCO'].length-1)]['deptId']??'';
        departments[0].department=widget.pd['hiddenConfirmUserCO'][(widget.pd['hiddenConfirmUserCO'].length-1)]['deptName']??'';
        //人员
        departments[0].responsibleId=widget.pd['hiddenConfirmUserCO'][(widget.pd['hiddenConfirmUserCO'].length-1)]['userId']??'';
        departments[0].responsible=widget.pd['hiddenConfirmUserCO'][(widget.pd['hiddenConfirmUserCO'].length-1)]['userName']??'';
      }
    });


  }

  @override
  void dispose() {
    // 释放资源
    standardController.dispose();
    methodController.dispose();
    fundController.dispose();
    personController.dispose();
    workTimeController.dispose();
    timeController.dispose();
    workController.dispose();
    otherController.dispose();
    miaoShuController.dispose();
    linShiSZhengGaiController.dispose();

    super.dispose();
  }

  @override
  Widget build(BuildContext context) {
    return Container(
      padding: EdgeInsets.only(bottom: 10),
      decoration: BoxDecoration(
        color: Colors.white,
        borderRadius: BorderRadius.circular(5),
      ),
      child: Column(
        children: [
          // ListItemFactory.createBuildSimpleSection("隐患整改"),
          // Divider(height: 1),
          Container(

            padding: EdgeInsets.all(15),
            child: Column(
              children: [
                ListItemFactory.createBuildMultilineInput(
                  isRequired:true,
                  "整改描述",
                  "请对整改进行详细描述（必填项）",
                  miaoShuController,
                ),
              ],
            ),
          ),
          Divider(height: 1),
          GestureDetector(
            onTap: () async {
              DateTime? picked = await BottomDateTimePicker.showDate(
                mode: BottomPickerMode.dateTimeWithSeconds,
                context,
                allowPast:false,
              );
              if (picked != null) {
                setState(() {
                   _selectData = picked;
                   dataTime= DateFormat('yyyy-MM-dd HH:mm:ss').format(picked);
                });
              }

            },
            child: Padding(
              padding: EdgeInsets.symmetric(horizontal: 15),
              child: ListItemFactory.createRowSpaceBetweenItem(
                isRequired:true,
                leftText: "整改日期",
                rightText: dataTime.isEmpty?"请选择":dataTime,
                isRight: true,
              ),
            ),
          ),


          Container(
            padding: EdgeInsets.all(15),
            child: Column(
              children: [
                ListItemFactory.createBuildMultilineInput(
                  isRequired:true,
                  "临时整改措施",
                  "请填写临时整改措施",
                  linShiSZhengGaiController,
                ),
              ],
            ),
          ),

          ItemListWidget.singleLineTitleText(
            label: '投入资金（元）',
            isEditable: true,
            text: '',
            onChanged: (value) {
              investmentFunds=value;
            },
          ),
          Divider(),
          ItemListWidget.itemContainer(
            RepairedPhotoSection(
              isRequired:true,
              title: "整改后照片",
              maxCount: 4,
              mediaType: MediaType.image,
              onChanged: (files) {
                // 上传 files 到服务器
                gaiHouImages.clear();
                for(int i=0;i<files.length;i++){
                  gaiHouImages.add(files[i].path);
                }
              },
              onAiIdentify: () {

              },
            ),
          ),




          Divider(),
          if(!_isStakeholder)...[
            Padding(
              padding: EdgeInsets.only(left: 20,right: 10),
              child: Row(
                mainAxisAlignment: MainAxisAlignment.spaceBetween,
                children: [
                  Text(
                    '验收人',
                    style: TextStyle(
                      fontSize: 14,
                      fontWeight: FontWeight.bold,
                      color: Colors.black,
                    ),
                  ),
                  CustomButton(
                    onPressed: () {
                      _addDepartment();
                    },
                    text: "添加",
                    backgroundColor: Colors.blue,
                    borderRadius: 17,
                    height: 34,
                    padding: EdgeInsets.symmetric(horizontal: 20),
                  ),
                ],
              ),
            ),

            Column(
              children: List.generate(
                departments.length,
                    (index) => _departmentItem(
                  departments[index],
                  index,
                  showLabel: index == 0,
                ),
              ),
            ),
          ],

          if(_isStakeholder)...[
            Column(
              children: [
                GestureDetector(
                  onTap: () {},
                  child: _buildSectionContainer(
                    child: ListItemFactory.createRowSpaceBetweenItem(
                      isRequired:true,
                      leftText: "验收部门",
                      rightText: departments[0].department.isNotEmpty ? departments[0].department : "",
                      isRight: false,
                    ),
                  ),
                ),

                Divider(),

                GestureDetector(
                  onTap: () {},
                  child:Container(
                    padding: EdgeInsets.symmetric(horizontal: 15),
                    decoration: BoxDecoration(
                      color: Colors.white,
                      borderRadius: BorderRadius.circular(5),
                    ),
                    child: ListItemFactory.createRowSpaceBetweenItem(
                      isRequired:true,
                      leftText: "验收人",
                      rightText: departments[0].responsible.isNotEmpty?departments[0].responsible:"",
                      isRight: false,
                    ),
                  ),
                ),
              ],
            ),
          ],

          // for(int m=0;m<_yanShouFuZeItem.length;m++)
          //   _yanShouFuZeItem[m],
          // _departmentItem(m),
          // _departmentItem(2),
          Divider(),
          ListItemFactory.createYesNoSection(
            title: "是否有整改方案",
            yesLabel: "是",
            noLabel: "否",
            groupValue: acceptedPrepare,
            onChanged: (val) {
              setState(() {
                acceptedPrepare = val;
              });
            },
          ),
          acceptedPrepare ? _acceptPrepare() : SizedBox(height: 1),


          Divider(),
          // 图片上传
          // const SizedBox(height: 16),
          if(acceptedPrepare)
          RepairedPhotoSection(
            horizontalPadding: 15,
            isRequired:true,
            title: "方案图片",
            maxCount: 4,
            mediaType: MediaType.image,
            onChanged: (files) {
              // 上传 files 到服务器
              fangAnImages.clear();
              for(int i=0;i<files.length;i++){
                fangAnImages.add(files[i].path);
              }

            },
            onAiIdentify: () {

            },
          ),

          // Divider(),
          // ListItemFactory.createYesNoSection(
          //   title: "是否有整改计划",
          //   yesLabel: "是",
          //   noLabel: "否",
          //   groupValue: acceptedPlan,
          //   onChanged: (val) {
          //     setState(() {
          //       acceptedPlan = val;
          //     });
          //   },
          // ),
          // acceptedPlan ? _acceptPlan() : SizedBox(height: 1),
        ],
      ),
    );
  }
  /// 整改方案
  Widget _acceptPrepare() {
    final fields = [
      // _buildReadOnlyRow("排查日期", widget.pd["CREATTIME"]),
      // if(FormUtils.hasValue(widget.pd, "LIST_NAME"))
      // _buildReadOnlyRow("隐患清单", widget.pd["LIST_NAME"]),
      ListItemFactory.createBuildMultilineInput("治理标准", "请输入治理标准", standardController,isRequired:true),
      ListItemFactory.createBuildMultilineInput("治理方法", "请输入治理方法", methodController,isRequired:true),
      ListItemFactory.createBuildMultilineInput("经费落实", "请输入经费落实", fundController,isRequired:true),
      ListItemFactory.createBuildMultilineInput("负责人员", "请输入负责人员", personController,isRequired:true),
      ListItemFactory.createBuildMultilineInput("工时安排", "请输入工时安排", workTimeController,isRequired:true),
      ListItemFactory.createBuildMultilineInput("时限要求", "请输入时限要求", timeController,isRequired:true),
      ListItemFactory.createBuildMultilineInput("工作要求", "请输入工作要求", workController,isRequired:true),
      ListItemFactory.createBuildMultilineInput("其他事项", "请输入其他事项", otherController,isRequired:true),
    ];

    return ListView.separated(
      shrinkWrap: true,
      physics: const NeverScrollableScrollPhysics(),
      itemCount: fields.length,
      separatorBuilder:
          (_, __) => const Divider(height: 1, color: Colors.black12),
      itemBuilder:
          (_, index) => Padding(
        padding: const EdgeInsets.symmetric(horizontal: 20, vertical: 8),
        child: fields[index],
      ),
    );
  }

  Widget _buildSectionContainer({required Widget child}) {
    return Container(
      margin: const EdgeInsets.only(top: 1),
      color: Colors.white,
      padding: const EdgeInsets.symmetric(horizontal: 15, vertical: 0),
      child: child,
    );
  }

  Widget _buildReadOnlyRow(String left, String right) {
    return ListItemFactory.createRowSpaceBetweenItem(
      leftText: left,
      rightText: right,
    );
  }


  /// 验收部门和负责人选择的item
  Widget _departmentItem(
      DepartmentEntry entry,
      int index, {
        required bool showLabel,
      }) {
    return Padding(
      padding: const EdgeInsets.all(10),
      child: Stack(
        clipBehavior: Clip.none,
        children: [
          Container(
            decoration: BoxDecoration(
              border: Border.all(color: Colors.black12, width: 1),
            ),
            child: _noAccepet_repair(false,index),
          ),

          // 当 num > 1 时，左上角显示删除按钮
          if (index > 0)
            Positioned(
              top: -20,
              left: -20,
              child: IconButton(
                padding: EdgeInsets.zero,
                constraints: const BoxConstraints(),
                icon: const Icon(Icons.cancel, color: Colors.red, size: 25),
                onPressed: () {
                  _removeDepartment(index);
                  // 这里处理删除逻辑，比如：
                  // setState(() => _items.removeAt(num));
                },
              ),
            ),
        ],
      ),
    );
  }


  // 存储各单位的人员列表
  final Map<String, List<Map<String, dynamic>>> _personCache = {};
  // #region 不整改
  Widget _noAccepet_repair(bool _accept,int index, ) {

    return Column(
      children: [
        GestureDetector(
        onTap: () {
          showModalBottomSheet(
            context: context,
            isScrollControlled: true,
            barrierColor: Colors.black54,
            backgroundColor: Colors.transparent,
            builder: (ctx) => DepartmentPickerHidden(onSelected: (id, name) async {

              setState(() {
                // buMenId=id;
                // buMenName=name;
                //
                // // 清空已选人员
                // renYuanId="";
                // renYuanName="";
                departments[index].department=name;
                departments[index].departmentId=id;

                departments[index].responsible="";
                departments[index].responsibleId="";

              });

              // // 拉取该单位的人员列表并缓存
              // final result = await HiddenDangerApi.getListTreePersonList(id);
              // _personCache=List<Map<String, dynamic>>.from(
              //   result['userList'] as List,
              // );
              // 拉该单位人员并缓存
              await _getPersonListForUnitId(id);

            }),
          );
        },
        child: Container(
          padding: EdgeInsets.symmetric(horizontal: 10),
          decoration: BoxDecoration(
            color: Colors.white,
            borderRadius: BorderRadius.circular(5),
          ),
          child: ListItemFactory.createRowSpaceBetweenItem(
            isRequired:true,
            leftText: "验收部门",
            rightText: departments[index].department.isNotEmpty?departments[index].department:"请选择",
            isRight: true,
          ),
        ),
        ),

        Divider(
          height: 10,
          color: _accept ? h_backGroundColor() : Colors.transparent,
        ),

        GestureDetector(
          onTap: () {
            if ( departments[index].departmentId.isEmpty) {
              ToastUtil.showNormal(context, '请先选择部门');
              return;
            }
            final unitId = (departments[index].departmentId ?? '').toString();
            choosePersonHandle(unitId,index);
            // DepartmentPersonPicker.show(
            //   context,
            //   personsData: _personCache,
            //   onSelected: (userId, name) {
            //     setState(() {
            //       // renYuanId = userId;
            //       // renYuanName = name;
            //
            //       departments[index].responsible=name;
            //       departments[index].responsibleId=userId;
            //       departments[index].index=(index-1).toString();
            //     });
            //
            //   },
            // );
          },
        child:Container(
          padding: EdgeInsets.symmetric(horizontal: 10),
          decoration: BoxDecoration(
            color: Colors.white,
            borderRadius: BorderRadius.circular(5),
          ),
          child: ListItemFactory.createRowSpaceBetweenItem(
            isRequired:true,
            leftText: "验收人",
            rightText: departments[index].responsible.isNotEmpty?departments[index].responsible:"请选择",
            isRight: true,
          ),
        ),
        ),
      ],
    );
  }

  /// 整改计划
  Widget _acceptPlan() {
    return Padding(
      padding: EdgeInsets.symmetric(horizontal: 15),
      child: MediaPickerRow(
        maxCount: 4,
        onChanged: (List<File> files) {
          // images 列表更新
          // 上传 files 到服务器
          jiHuaImages.clear();
          for(int i=0;i<files.length;i++){
            jiHuaImages.add(files[i].path);
          }
        },
      ),
    );
  }


  /// 拉取某单位人员并缓存（兼容返回结构）
  Future<void> _getPersonListForUnitId(String id) async {
    if (id.isEmpty) return;
    LoadingDialogHelper.show();
    try {
      final result = await BasicInfoApi.getDeptUsers(id);
      LoadingDialogHelper.hide();
      // 兼容 result['data'] / result['userList'] 等常见字段
      dynamic raw = result['data'];
      List<Map<String, dynamic>> list = [];
      if (raw is List) {
        list = raw.map<Map<String, dynamic>>((e) {
          if (e is Map<String, dynamic>) return e;
          if (e is Map) return Map<String, dynamic>.from(e);
          return <String, dynamic>{};
        }).toList();
      } else {
        list = [];
      }
      setState(() {
        _personCache[id] = list;
      });
    } catch (e) {
      LoadingDialogHelper.hide();
      ToastUtil.showError(context, '获取人员失败：$e');
      setState(() {
        _personCache[id] = [];
      });
    }
  }

  /// 弹出人员选择
  void choosePersonHandle(final unitId, int index) async {

    List<Map<String, dynamic>> personList = _personCache[unitId] ?? [];
    if (personList.isEmpty) {
      // 先拉取一次
      await _getPersonListForUnitId(unitId);
      personList = _personCache[unitId] ?? [];
      if (personList.isEmpty) {
        ToastUtil.showNormal(context, '暂无可选人员，请选择其他单位');
        return;
      }
    }

    // 显示人员选择器（假设 DepartmentPersonPicker.show 接口存在）
    DepartmentPersonPicker.show(
      context,
      personsData: personList,
      onSelected: (userId, name) {
        if(SessionService.instance.accountId==userId){
          ToastUtil.showNormal(context, '整改人和验收人不能是一个人');
          return;
        }
        setState(() {
          departments[index].responsible=name;
          departments[index].responsibleId=userId;
          departments[index].index=(index-1).toString();
        });
      },
    ).then((_) {
      //FocusHelper.clearFocus(context);
    });
  }



}