import 'dart:io';

import 'package:flutter/cupertino.dart';
import 'package:flutter/material.dart';
import 'package:flutter_riverpod/flutter_riverpod.dart';
import 'package:flutter_screenutil/flutter_screenutil.dart';
import 'package:news_app/constant/color_res.dart';
import 'package:news_app/model/topic_item_model.dart';
import 'package:news_app/ui/topic/main_topic_page.dart';
import 'package:news_app/ui/topic/topic_item_widget.dart';

import '../../constant/config.dart';
import '../../constant/size_res.dart';
import '../../provider/topic_detail_provider.dart';
import '../../util/device_util.dart';
import '../../util/share_util.dart';
import '../../widget/load_image.dart';
import '../../widget/my_txt.dart';
import '../../widget/right_action_widget.dart';
import '../video/comment_page.dart';

/// @author: bo.zeng
/// @email: cnhbwds@gmail.com
/// @date: 2025 2025/4/18 9:06
/// @description:

class TopicDetailPage extends ConsumerStatefulWidget {
  final String contentId;

  const TopicDetailPage({super.key, required this.contentId});

  @override
  ConsumerState<ConsumerStatefulWidget> createState() =>
      _TopicDetailPageState();
}

final topicDetailProvider =
    NotifierProvider<TopicDetailProvider, TopicRecordModel>(() {
      return TopicDetailProvider();
    });

class _TopicDetailPageState extends ConsumerState<TopicDetailPage> {
  BuildContext? currentContext;

  bool _isWeChatInstalled = false;

  Future<void> _checkWeChatInstallation() async {
    if (Platform.isAndroid) {
      final installed = await isWeChatInstalledOnlyAndroid();
      setState(() => _isWeChatInstalled = installed);
    } else if (Platform.isIOS) {
      final installed = await fluwx.isWeChatInstalled;
      setState(() => _isWeChatInstalled = installed);
    }
  }

  @override
  void initState() {
    super.initState();
    ref.read(topicDetailProvider.notifier).fetchTopicDetail(widget.contentId);
    _checkWeChatInstallation();
  }

  Future<void> shareAction(TopicRecordModel data) async {
    showModalBottomSheet(
      context: context,
      builder:
          (context) => SafeArea(
            child: Column(
              mainAxisSize: MainAxisSize.min,
              mainAxisAlignment: MainAxisAlignment.spaceBetween,
              children: [
                SizedBox(height: 10.h),
                Container(
                  width: double.infinity,
                  height: 80.h,
                  decoration: BoxDecoration(
                    borderRadius: BorderRadius.only(
                      topLeft: Radius.circular(10.r),
                      topRight: Radius.circular(10.r),
                    ),
                    color: Colors.white,
                  ),
                  child: Row(
                    crossAxisAlignment: CrossAxisAlignment.center,
                    mainAxisAlignment: MainAxisAlignment.spaceBetween,
                    children: [
                      if (_isWeChatInstalled)
                        GestureDetector(
                          onTap: () {
                            Navigator.pop(context);
                            shareWeiXinUrl(
                              title: data.shareDesc ?? "",
                              url: data.shareUrl ?? "",
                            );
                          },
                          child: Container(
                            width: 100.w,
                            height: 80.h,
                            child: Column(
                              crossAxisAlignment: CrossAxisAlignment.center,
                              mainAxisAlignment: MainAxisAlignment.center,
                              children: [
                                LoadAssetImage(
                                  'share_wxhy',
                                  width: 40.w,
                                  height: 40.h,
                                ),
                                SizedBox(height: 10.h),
                                myTxt(
                                  text: "微信好友",
                                  color: Colors.black,
                                  fontSize: 12.sp,
                                  fontWeight: FontWeight.bold,
                                ),
                              ],
                            ),
                          ),
                        ),
                      if (_isWeChatInstalled)
                        GestureDetector(
                          onTap: () {
                            Navigator.pop(context);
                            shareWeiXinPYUrl(
                              title: data.shareDesc ?? "",
                              url: data.shareUrl ?? "",
                            );
                          },
                          child: Container(
                            width: 100.w,
                            height: 80.h,
                            child: Column(
                              mainAxisAlignment: MainAxisAlignment.center,
                              children: [
                                LoadAssetImage(
                                  'share_pyq',
                                  width: 40.w,
                                  height: 40.h,
                                ),
                                SizedBox(height: 10.h),
                                myTxt(
                                  text: "朋友圈",
                                  color: Colors.black,
                                  fontSize: 12.sp,
                                  fontWeight: FontWeight.bold,
                                ),
                              ],
                            ),
                          ),
                        ),
                      GestureDetector(
                        onTap: () {
                          Navigator.pop(context);
                          shareUrl(
                            title: data.shareDesc ?? "",
                            url: data.shareUrl ?? "",
                          );
                        },
                        child: Container(
                          width: 100.w,
                          height: 80.h,
                          child: Column(
                            mainAxisAlignment: MainAxisAlignment.center,
                            children: [
                              LoadAssetImage(
                                'share_xtfx',
                                width: 40.w,
                                height: 40.h,
                              ),
                              SizedBox(height: 10.h),
                              myTxt(
                                text: "系统分享",
                                color: Colors.black,
                                fontSize: 12.sp,
                                fontWeight: FontWeight.bold,
                              ),
                            ],
                          ),
                        ),
                      ),
                    ],
                  ),
                ),
              ],
            ),
          ),
    );
  }

  void longTapAction(String contentId) {
    showCupertinoDialog(
      context: context,
      builder:
          (context) => CupertinoAlertDialog(
            title: const Text("举报该评论"),
            content: const Text("您确定要执行此操作吗？"),
            actions: [
              CupertinoDialogAction(
                child: const Text("取消"),
                onPressed: () => Navigator.pop(context),
              ),
              CupertinoDialogAction(
                isDestructiveAction: true, // 红色警示按钮
                child: const Text("确定"),
                onPressed: () {
                  ref
                      .read(topicDetailProvider.notifier)
                      .reportComment("topicArticle", contentId);
                  Navigator.pop(context);
                  Future.delayed(const Duration(milliseconds: 500), () {
                    if (mounted && currentContext != null) {
                      eventBus.fire('topicCall');
                      Navigator.of(currentContext!).pop();
                    }
                  });

                  // 执行删除操作
                },
              ),
            ],
          ),
    );
  }

  @override
  Widget build(BuildContext context) {
    currentContext = context;
    final data = ref.watch(topicDetailProvider);
    return Scaffold(
      appBar: AppBar(
        title: myTxt(text: '话题', fontSize: 18.sp, fontWeight: FontWeight.bold),
        centerTitle: true,
        // 移除阴影
        scrolledUnderElevation: 0,
        actions: [
          Padding(
            padding: EdgeInsets.only(right: horizontalPadding),
            child: RightActionWidget(
              isLike: data.isLiked ?? false,
              isFavorite: data.isFavorite ?? false,
              tap: (value) {
                if (value == 0) {
                  ref
                      .read(topicListProvider.notifier)
                      .fetchTopicLike(
                        contentId: data.contentId,
                        current: data.isLiked ?? false,
                      );
                  ref.read(topicDetailProvider.notifier).updateLike();
                } else if (value == 1) {
                  ref
                      .read(topicListProvider.notifier)
                      .fetchTopicFavorite(
                        contentId: data.contentId,
                        current: data.isFavorite ?? false,
                      );
                  ref.read(topicDetailProvider.notifier).updateFavorite();
                } else if (value == 2) {
                  // shareUrl(title: data.content ?? "", url: data.shareUrl ?? "");
                  shareAction(data);
                  if (uuid.isNotEmpty) {
                    ref
                        .read(topicDetailProvider.notifier)
                        .fetchTopicShare(contentId: data.contentId);
                  }
                }
              },
            ),
          ),
        ],
        // 禁用滚动时的阴影变化
      ),
      body: NestedScrollView(
        headerSliverBuilder: (BuildContext context, bool innerBoxIsScrolled) {
          return [
            SliverToBoxAdapter(
              child: TopicItemWidget(longTapAction, isShow: true, item: data),
            ),
            SliverToBoxAdapter(
              child: Container(
                height: 8.h,
                width: screenWidth,
                color: colorF5F7FD,
              ),
            ),
          ];
        },
        body: Container(
          color: Colors.white,
          padding: EdgeInsets.symmetric(horizontal: 12.w, vertical: 12.h),
          child: Column(
            crossAxisAlignment: CrossAxisAlignment.start,
            children: [
              myTxt(
                text:
                    "评论${ref.watch(commentProvider(CommentType.topic)).total}",
                fontSize: 14.sp,
                color: color333333,
                fontWeight: FontWeight.bold,
              ),
              SizedBox(height: 12.h),
              Expanded(
                child: CommentPage(
                  type: CommentType.topic,
                  articleId: widget.contentId,
                ),
              ),
            ],
          ),
        ),
      ),
    );
  }
}