import 'package:flutter/material.dart';
import 'package:flutter_screenutil/flutter_screenutil.dart';
import 'package:flutter_slidable/flutter_slidable.dart';
import 'package:get/get.dart';
import 'package:star_lock/mine/message/messageList/messageList_state.dart';
import 'package:star_lock/tools/eventBusEventManage.dart';
import 'package:star_lock/tools/noData.dart';

import '../../../appRouters.dart';
import '../../../app_settings/app_colors.dart';
import '../../../tools/EasyRefreshTool.dart';
import '../../../tools/dateTool.dart';
import '../../../tools/showTipView.dart';
import '../../../tools/storage.dart';
import '../../../tools/titleAppBar.dart';
import 'messageList_entity.dart';
import 'messageList_logic.dart';

class MessageListPage extends StatefulWidget {
  MessageListPage({Key? key, this.showAppBar = true}) : super(key: key);
  bool showAppBar;

  @override
  State<MessageListPage> createState() => _MessageListPageState();
}

class _MessageListPageState extends State<MessageListPage>
    with TickerProviderStateMixin {
  final MessageListLogic logic = Get.put(MessageListLogic());
  final MessageListState state = Get.find<MessageListLogic>().state;

  // 修改 _showCheckboxes 状态变量为可观察状态
  final RxBool _showCheckboxes = false.obs;

  // 添加选中状态
  final RxList<bool> _selectedItems = <bool>[].obs;

  // 添加控制通知横幅显示的状态
  bool showNotificationBanner = true;

  // 添加设置状态变量
  final RxBool _pushNotificationEnabled = false.obs;

  // 删除方法
  void deleteSelectedMessages() {
    final List<MessageItemEntity> selectedMessages = [];
    for (int i = 0; i < state.itemDataList.value.length; i++) {
      if (_selectedItems[i]) {
        selectedMessages.add(state.itemDataList.value[i]);
      }
    }

    // 调用删除接口
    //logic.deletMessageDataRequest(selectedMessages);

    // 清空选中状态
    _selectedItems.clear();
    _selectedItems.addAll(
        List.generate(state.itemDataList.value.length, (index) => false));
    _showCheckboxes.value = false;
    setState(() {});
  }

  void getHttpData() {
    logic.messageListDataRequest().then((MessageListEntity value) {
      setState(() {});
    });
  }

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

    // 获取当前消息推送设置状态
    _loadPushNotificationStatus();

    getHttpData();
  }

  // 加载消息推送状态
  void _loadPushNotificationStatus() async {
    final bool? enabled = await Storage.getBool('push_notification_enabled');
    _pushNotificationEnabled.value = enabled ?? false;
  }

  //添加以时间分组的方法
  Map<String, List<MessageItemEntity>> _groupMessagesByDate() {
    Map<String, List<MessageItemEntity>> grouped = {};
    state.itemDataList.forEach((item) {
      String date = DateTool().dateToYMDString(item.createdAt!.toString());
      if (!grouped.containsKey(date)) {
        grouped[date] = [];
      }
      grouped[date]!.add(item);
    });
    return grouped;
  }

  @override
  Widget build(BuildContext context) {
    return Scaffold(
      backgroundColor: AppColors.mainBackgroundColor,
      appBar: widget.showAppBar
          ? TitleAppBar(
          barTitle: '消息'.tr,
          haveBack: true,
          actionsList: <Widget>[
            TextButton(
              child: Text(
                '清空'.tr,
                style: TextStyle(color: Colors.white, fontSize: 24.sp),
              ),
              onPressed: () async {
                final bool? isDemoMode =
                await Storage.getBool(ifIsDemoModeOrNot);
                if (isDemoMode == false) {
                  ShowTipView().showIosTipWithContentDialog('是否清空?'.tr,
                          () async {
                        logic.deletAllMessageDataRequest();
                      });
                } else {
                  logic.showToast('演示模式'.tr);
                }
              },
            ),
          ],
          backgroundColor: AppColors.mainColor)
          : null,
      body: EasyRefreshTool(onRefresh: () {
        logic.pageNo = 1;
        getHttpData();
      }, onLoad: () {
        getHttpData();
      }, child: Obx(() {
        return state.itemDataList.value.isEmpty
            ? NoData()
            : Stack(
          children: [
            Positioned(
                top: 0,
                left: 0,
                right: 0,
                child: Container(
                    height: showNotificationBanner ? 100 : 70,
                    child: Column(children: [
                      showNotificationBanner
                          ? Container(
                          padding:
                          EdgeInsets.only(left: 10, right: 10),
                          color: AppColors.messageTipsColor,
                          height: 30,
                          child: Row(
                              mainAxisAlignment:
                              MainAxisAlignment.spaceBetween,
                              children: [
                                Text('开启消息通知开关，及时获取通知',
                                    style: TextStyle(
                                        color: Colors.black,
                                        fontSize: 20.sp)),
                                Row(children: [
                                  !_pushNotificationEnabled.value
                                      ? GestureDetector(child: Text('去开启',
                                      style: TextStyle(
                                          color: Colors.blue,
                                          fontSize: 20.sp)),
                                      onTap: (){
                                        Get.toNamed(Routers.mineSetPage);
                                      }) : SizedBox.shrink(),
                                  SizedBox(width: 10),
                                  InkWell(
                                      child: Image.asset(
                                          'images/mine/icon_message_close.png',
                                          width: 24.w,
                                          height: 24.w),
                                      onTap: () {
                                        // 可以通过控制一个状态变量来隐藏整个通知栏
                                        setState(() {
                                          showNotificationBanner =
                                          false;
                                        });
                                      }),
                                ])
                              ]))
                          : SizedBox.shrink(),
                      Container(
                        padding:
                        EdgeInsets.only(left: 15.w, right: 24.w, top: 20.h),
                        child: Row(
                            mainAxisAlignment:
                            MainAxisAlignment.spaceBetween,
                            children: [
                              Text('告警',
                                  style: TextStyle(
                                      fontWeight: FontWeight.w600,
                                      fontSize: 30.sp)),
                            ]),
                      )
                    ]))),
            Container(
                padding: EdgeInsets.only(
                    top: showNotificationBanner ? 80 : 50),
                child: ListView.builder(
                  itemCount: _buildGroupedListItems().length,
                  itemBuilder: (BuildContext context, int index) {
                    var item = _buildGroupedListItems()[index];

                    if (item is String) {
                      // 日期标题
                      return Container(
                        padding: EdgeInsets.symmetric(
                            horizontal: 16.w, vertical: 10.h),
                        color: AppColors.mainBackgroundColor,
                        child: RichText(
                          text: TextSpan(
                            children: [
                              TextSpan(
                                text: item.substring(8, 10),
                                style: TextStyle(
                                  color: Colors.black,
                                  fontSize: 36.sp,
                                  fontWeight: FontWeight.w600,
                                ),
                              ),
                              TextSpan(
                                text: ' ',
                              ),
                              TextSpan(
                                text: item.substring(5, 7),
                                style: TextStyle(
                                    color: Colors.grey, fontSize: 20.sp, fontWeight: FontWeight.w400),
                              ),
                            ],
                          ),
                        ),
                      );
                    } else if (item is MessageItemEntity) {
                      // 消息项
                      return _messageListItem(item, () {
                        Get.toNamed(Routers.messageDetailPage,
                            arguments: <String, MessageItemEntity>{
                              'messageItemEntity': item
                            });
                      });
                    }
                    return Container();
                  },
                ),
              ),
          ],
        );
      })),
    );
  }

  // 构建分组列表
  List<dynamic> _buildGroupedListItems() {
    List<dynamic> items = [];
    Map<String, List<MessageItemEntity>> grouped = _groupMessagesByDate();

    grouped.forEach((date, messages) {
      items.add(date); // 添加日期标题
      items.addAll(messages.map((message) => message)); // 添加该日期下的所有消息
    });

    // 初始化选中状态
    if (_selectedItems.length != state.itemDataList.value.length) {
      _selectedItems.clear();
      _selectedItems.addAll(
          List.generate(state.itemDataList.value.length, (index) => false));
    }

    return items;
  }

  Widget _messageListItem(
      MessageItemEntity messageItemEntity, Function() action) {
    final int index = state.itemDataList.value.indexOf(messageItemEntity);

    // 查找当前消息在其所属日期分组中的位置
    Map<String, List<MessageItemEntity>> grouped = _groupMessagesByDate();
    bool isLastInGroupSimple = false;

    // 确定当前消息属于哪个日期分组
    for (var entry in grouped.entries) {
      int messageIndex = entry.value.indexWhere((msg) => msg.id == messageItemEntity.id);
      if (messageIndex != -1) {
        // 如果是该分组的最后一条消息
        isLastInGroupSimple = messageIndex == entry.value.length - 1;
        break;
      }
    }

    return GestureDetector(
        onTap: () {
          // 如果是多选模式，切换选中状态
          if (_showCheckboxes.value) {
            _selectedItems[index] = !_selectedItems[index];
            setState(() {});
          } else {
            // 否则跳转到详情页
            action();
          }
        },
        child: Row(crossAxisAlignment: CrossAxisAlignment.start, children: [
          Container(
              padding: EdgeInsets.only(left: 10),
              transform: Matrix4.translationValues(0, 20, 0),
              child: Column(
                children: [
                  Image.asset(
                      messageItemEntity.readAt! == 0
                          ? 'images/mine/icon_message_unread.png'
                          : 'images/mine/icon_message_readed.png',
                      width: 18.w,
                      height: 18.h),
                  // 添加竖线，根据是否是分组最后一条消息来决定是否显示
                  if (!isLastInGroupSimple)
                    Container(
                      width: 0.5,
                      height: 120.h,
                      color: Color.fromRGBO(0, 0, 0, 0.2),
                    )
                ],
              )),
          Expanded(
              child: Slidable(
                  key: Key(messageItemEntity.id.toString()), // 为每个item添加唯一key
                  endActionPane: ActionPane(
                    motion: const ScrollMotion(),
                    children: [
                      SlidableAction(
                        onPressed: (context) {
                          // 删除单条消息
                          logic.deletMessageDataRequest(
                              messageItemEntity.id!, () {
                            logic.pageNo = 1;
                            getHttpData();
                          });
                        },
                        backgroundColor: Colors.red,
                        foregroundColor: Colors.white,
                        icon: Icons.delete,
                        label: '删除',
                      ),
                    ],
                  ), child: Container(
                  width: 1.sw,
                  margin: EdgeInsets.all(10.h),
                  decoration: BoxDecoration(
                    color: Colors.white,
                    borderRadius: BorderRadius.circular(10.w),
                  ),
                  child: Container(
                      width: 1.sw,
                      margin: EdgeInsets.only(left: 20.w, right: 20.w, top: 20.h, bottom: 20.h),
                      child: Column(
                          mainAxisAlignment: MainAxisAlignment.center,
                          children: <Widget>[
                            Wrap(
                              children: <Widget>[
                                // 时间
                                Container(
                                  margin: EdgeInsets.only(top: 4.h),
                                  child: Text(
                                    DateTool().dateToHnString(messageItemEntity.createdAt!.toString()),
                                    style: TextStyle(
                                      fontSize: 20.sp,
                                      color: messageItemEntity.readAt! == 0
                                          ? AppColors.blackColor
                                          : AppColors.placeholderTextColor,
                                    ),
                                  ),
                                ),
                                // 竖线
                                Container(
                                  width: 1,
                                  height: 10,
                                  margin: EdgeInsets.only(left: 5.w, right: 5.w, top: 10.h),
                                  color: messageItemEntity.readAt! == 0
                                      ? AppColors.blackColor
                                      : AppColors.placeholderTextColor,
                                ),
                                // 标题
                                Container(
                                    margin: EdgeInsets.only(top: 2.h),
                                    child: Text('${messageItemEntity.data!}',
                                      maxLines: 2,
                                      overflow: TextOverflow.ellipsis,
                                      style: TextStyle(
                                        fontSize: 20.sp,
                                        color: messageItemEntity.readAt! == 0
                                            ? AppColors.blackColor
                                            : AppColors.placeholderTextColor,
                                      ),
                                    )),
                                Container(margin: EdgeInsets.only(top: 10.h), child: GestureDetector(
                                  child: Text('点击查看', style: TextStyle(fontWeight: FontWeight.w500, fontSize: 20.sp, color: AppColors.mainColor),),
                                ),alignment: Alignment.centerRight,)
                              ],
                            ),
                          ]))))),
          // 显示选中状态的复选框
          if (_showCheckboxes.value)
            Checkbox(
              value: _selectedItems[index],
              activeColor: Colors.blue,
              onChanged: (val) {
                _selectedItems[index] = val!;
                setState(() {});
              },
            )
        ]));
  }
}