demo/xinhuaribao/lib/ui/video/video_play_item_widget.dart

import 'dart:async';
import 'dart:io';

import 'package:better_player_plus/better_player_plus.dart';
import 'package:flutter/material.dart';
import 'package:flutter_riverpod/flutter_riverpod.dart';
import 'package:flutter_screenutil/flutter_screenutil.dart';
import 'package:go_router/go_router.dart';
import 'package:news_app/ui/video/video_detail_page.dart';

import '../../constant/config.dart';
import '../../gen/assets.gen.dart';
import '../../model/video_new_model.dart';
import '../../util/device_util.dart';
import '../../util/log.util.dart';
import '../../util/share_util.dart';
import '../../widget/auth_gesture_detector.dart';
import '../../widget/load_image.dart';
import '../../widget/my_txt.dart';
import '../video/video_recommend_list_page.dart';

class VideoPlayItemWidget extends ConsumerStatefulWidget {
  final VideoNewModel item;
  final bool isActive;
  final int index;

  const VideoPlayItemWidget({
    super.key,
    required this.item,
    required this.isActive,
    required this.index,
  });

  @override
  ConsumerState<VideoPlayItemWidget> createState() => _VideoItemWidgetState();
}

class _VideoItemWidgetState extends ConsumerState<VideoPlayItemWidget>
    with AutomaticKeepAliveClientMixin, SingleTickerProviderStateMixin {
  bool _isPlaying = false;
  late Timer _playStateCheckTimer;

  bool _isWeChatInstalled = false;

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

  Future<void> shareAction(VideoNewModel data) async {
    if (!mounted) return;
    showModalBottomSheet(
      context: context,
      builder:
          (context) => SafeArea(
            child: Column(
              mainAxisSize: MainAxisSize.min,
              mainAxisAlignment: MainAxisAlignment.spaceBetween,
              children: [
                SizedBox(height: 10.h),
                SizedBox(
                  width: double.infinity,
                  height: 80.h,
                  child: Row(
                    crossAxisAlignment: CrossAxisAlignment.center,
                    mainAxisAlignment: MainAxisAlignment.spaceBetween,
                    children: [
                      if (_isWeChatInstalled)
                        GestureDetector(
                          onTap: () {
                            Navigator.pop(context);
                            shareWeiXinUrl(
                              title: data.shareDesc ?? "",
                              url: data.shareUrl ?? "",
                            );
                          },
                          child: SizedBox(
                            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: SizedBox(
                            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: SizedBox(
                          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,
                              ),
                            ],
                          ),
                        ),
                      ),
                    ],
                  ),
                ),
              ],
            ),
          ),
    );
  }

  @override
  void initState() {
    super.initState();
    consoleLog("VideoPlayItemWidget: initState for video ${widget.item.contentId}, url: ${widget.item.url}, isActive: ${widget.isActive}");
    _checkWeChatInstallation();
    _startPlayStateCheck();
  }

  void _startPlayStateCheck() {
    // 定期检查视频播放状态
    _playStateCheckTimer = Timer.periodic(const Duration(milliseconds: 500), (_) {
      if (!mounted) {
        _playStateCheckTimer.cancel();
        return;
      }
      final controller = globalVideoController;
      if (controller != null && widget.isActive) {
        final isPlaying = controller.isPlaying() ?? false;

        // 更新播放状态
        if (isPlaying != _isPlaying) {
          setState(() {
            _isPlaying = isPlaying;
          });
        }
      }
    });
  }

  @override
  void dispose() {
    _playStateCheckTimer.cancel();
    super.dispose();
  }

  void _togglePlay() {
    if (!mounted || !widget.isActive) return;
    final controller = globalVideoController;
    if (controller == null) return;

    // 检查控制器是否已初始化且未释放
    try {
      if (controller.isVideoInitialized() != true) {
        consoleLog("_togglePlay: controller not initialized");
        return;
      }
    } catch (e) {
      consoleLog("_togglePlay: controller check failed: $e");
      return;
    }

    // 分别处理每个操作，确保错误被捕获
    if (_isPlaying) {
      try {
        controller.pause();
        // 立即更新状态
        setState(() {
          _isPlaying = false;
        });
      } catch (e) {
        consoleLog("_togglePlay: pause error: $e");
        // 控制器可能已被释放，忽略错误
      }
    } else {
      try {
        controller.play();
        // 立即更新状态
        setState(() {
          _isPlaying = true;
        });
      } catch (e) {
        consoleLog("_togglePlay: play error: $e");
        // 控制器可能已被释放，忽略错误
      }
    }
  }

  @override
  Widget build(BuildContext context) {
    super.build(context);
    final controller = globalVideoController;

    return GestureDetector(
      onTap: _togglePlay,
      child: Stack(
        fit: StackFit.expand,
        children: [
          // 黑色背景
          const ColoredBox(color: Colors.black),

          // 视频播放器（只在当前页激活时显示）
          if (controller != null && widget.isActive)
            BetterPlayer(
              key: ValueKey('video_${widget.item.contentId}'),
              controller: controller,
            ),

          // 播放按钮（只在视频暂停时显示）
          if (!_isPlaying && widget.isActive)
            Center(
              child: Image.asset(
                Assets.images.playIcon.path,
                width: 60.w,
                height: 60.w,
              ),
            ),
          Positioned(
            right: 10.h,
            bottom: 100.h,
            child: Column(
              mainAxisAlignment: MainAxisAlignment.center,
              children: [
                AuthGestureDetector(
                  onTap: () {
                    if (!mounted) return;
                    ref
                        .read(recommendListProvider.notifier)
                        .fetchVideoLike(
                          videoId: widget.item.contentId,
                          current: widget.item.isLiked ?? false,
                        );
                  },
                  child: Icon(
                    Icons.favorite,
                    color:
                        widget.item.isLiked == true ? Colors.red : Colors.white,
                    size: 25.sp,
                  ),
                ),
                myTxt(
                  text:
                      widget.item.likeCount == null
                          ? ""
                          : widget.item.likeCount.toString(),
                  color: Colors.white,
                  fontSize: 12.sp,
                ),
                SizedBox(height: 15.h),
                AuthGestureDetector(
                  onTap: () {
                    if (!mounted) return;
                    context.push(
                      "/video/detail",
                      extra: VideoParam(
                        id: widget.item.contentId ?? "",
                        videoUrl: widget.item.url,
                      ),
                    );
                  },
                  child: Icon(Icons.message, color: Colors.white, size: 25.sp),
                ),
                myTxt(
                  text:
                      widget.item.commentCount == null
                          ? "0"
                          : widget.item.commentCount.toString(),
                  color: Colors.white,
                  fontSize: 12.sp,
                ),
                SizedBox(height: 15.h),
                AuthGestureDetector(
                  onTap: () {
                    if (!mounted) return;
                    ref
                        .read(recommendListProvider.notifier)
                        .fetchVideoFavorite(
                          videoId: widget.item.contentId,
                          current: widget.item.isFavorite ?? false,
                        );
                  },
                  child: Icon(
                    Icons.star,
                    color:
                        widget.item.isFavorite == true
                            ? Colors.red
                            : Colors.white,
                    size: 25.sp,
                  ),
                ),
                myTxt(
                  text:
                      widget.item.favoriteCount == null
                          ? "0"
                          : widget.item.favoriteCount.toString(),
                  color: Colors.white,
                  fontSize: 12.sp,
                ),
                SizedBox(height: 15.h),
                GestureDetector(
                  onTap: () {
                    if (!mounted) return;
                    shareAction(widget.item);
                    if (uuid.isNotEmpty) {
                      ref
                          .read(recommendListProvider.notifier)
                          .fetchVideoShare(contentId: widget.item.contentId);
                    }
                  },
                  child: Icon(
                    Icons.screen_share,
                    color: Colors.white,
                    size: 25.sp,
                  ),
                ),
                myTxt(
                  text:
                      widget.item.shareCount == null
                          ? "0"
                          : widget.item.shareCount.toString(),
                  color: Colors.white,
                  fontSize: 12.sp,
                ),
              ],
            ),
          ),
        ],
      ),
    );
  }

  @override
  bool get wantKeepAlive => true;
}