import 'package:flutter/material.dart';
import 'package:hgdj/assets_tool/app_colors.dart';
import 'package:hgdj/hj_model/media_content.dart';
import 'package:hgdj/hj_model/video_model.dart';

/// 短剧作品信息（接口 DramaInfo：一部剧 + 一堆分集）
/// 单集播放数据用 [toVideoModel] 转成 VideoModel 交给短视频播放器
class DramaMediaInfo {
  // —— 基础信息 ——
  String? id; //短剧id
  String? title; //剧名
  String? author; //作者/出品方
  String? summary; //简介
  int? kind; //种类
  int? style; //样式
  int? status; //0 下架 1 上架
  int? number; //序号
  VidStatus? mediaStatus; //媒体状态(已购/已收藏/已点赞)
  String? lsjId; // 老司机媒体资源ID

  // —— 封面 ——
  String? horizontalCover; //横版封面
  String? verticalCover; //竖版封面

  // —— 集数 / 更新 ——
  int? totalEpisode; //总集数
  int? currentEpisode; //已更新到第几集
  int? freeEpisode; //默认免费集数，仅后台初始化用；能不能播一律看分集的 canPlay
  int? updateStatus; //1 连载中 2 已完结
  String? updateTime; //更新时间
  String? createdAt; //创建时间

  // —— 价格 / 权限 ——
  int? price; //整部价格
  int? contentsPrice; //所有分集的价格
  int? permission; // 0:会员/短剧卡 1:金币购买 2:免费
  bool? permissionIconHide; //售卖类型标识隐藏

  // —— 专题 / 模块 ——
  String? mId; //模块ID
  String? moduleName; //模块名称
  String? sId; //专题id
  String? sectionName; //专题名称
  int? sectionSort; //专题排序
  int? sortCode; //排序

  // —— 统计 ——
  int? countBrowse; //浏览数
  int? countCollect; //收藏数
  int? countDisLike; //不喜欢数
  int? countComment; //评论数
  int? countLike; //喜欢数
  int? countPurchases; //购买数
  int? countView; //展现数
  bool? hasFollow; //是否关注

  // —— 标签 ——
  List<TagsBean>? tagDetails; //标签对象

  // —— 其他后端字段 ——
  int? direction; //方向(横/竖)
  int? freeTime; //免费试看时长

  // —— 本地 / UI 字段(非后端返回) ——
  List<MediaContent>? episodeList; //分集列表，走 /media_content/list 单独拉，外部赋值
  int? episodeCurPage; //当前页码
  //每页集数：必须与选集面板的分段大小(DramaEpisodeSheet._segmentSize)一致，
  //这样第 i 页正好是第 i 段，点哪段补哪页，不会出现「点进去先 10 个再变 30 个」
  int episodePageSize = 30;
  int isUpSort = 0; //0-正序 1-倒序
  bool haxNextEpisode = true; //是否还有下一页
  bool isSelected = false; //是否选中

  String? get coverH =>
      horizontalCover?.isNotEmpty == true ? horizontalCover : verticalCover;

  String? get coverV =>
      verticalCover?.isNotEmpty == true ? verticalCover : horizontalCover;

  String get unit => '集';

  //更新状态
  String get updateDesc => updateStatus == 1 ? '连载中' : '已完结';

  String get tagIds => tagDetails?.map((e) => e.id).toList().join(',') ?? '';

  String get tagNames =>
      tagDetails?.map((e) => e.name).toList().join(',') ?? '';

  Color get updateDescColor =>
      updateStatus == 1 ? AppColors.actionRed : const Color(0xff989898);

  //集数状态描述
  String get episodeNumberStatus {
    if (updateStatus == 1 && (currentEpisode ?? 0) > 0) {
      return '更新$currentEpisode$unit';
    }
    //没有集数就别出这行——直接插值会渲染成「共null集」
    return (totalEpisode ?? 0) > 0 ? '共$totalEpisode$unit' : '';
  }

  //点赞/评论/分享统一传这个类型
  String get commentType => 'drama';

  /// 转成播放器用的 [VideoModel]，[episode] 为当前集；列表卡片场景传 null
  VideoModel toVideoModel(MediaContent? episode) {
    return VideoModel()
      ..id = id
      ..dramaInfo = this
      ..dramaEpisode = episode
      ..subid = episode?.id
      ..episodeNo = episode?.episodeNumber
      ..totalEpisode = totalEpisode
      ..updateStatus = updateStatus
      ..title = title
      ..tags = tagDetails
      ..name = episode?.name
      ..cover = episode?.cover?.isNotEmpty == true ? episode?.cover : coverV
      ..sourceURL = episode?.videoUrl
      ..h265Url = episode?.h265Url
      ..playTime = episode?.playTime
      ..likeCount = countLike // 短剧点赞走 thumbsUp，操作台右侧显示的就是这个数
      ..freeTime = freeTime ?? 0
      ..collectCount = countCollect
      ..commentCount = countComment
      ..playCount = countBrowse
      ..freeArea = episode?.isFree == true
      ..coins = price
      ..originCoins = price
      ..vidStatus = (VidStatus()
        ..hasPaid = mediaStatus?.hasPaid == true
        ..hasCollected = mediaStatus?.hasCollected
        ..hasLiked = mediaStatus?.hasLiked
        ..hasDisliked = mediaStatus?.hasDisliked);
  }

  DramaMediaInfo();

  DramaMediaInfo.fromJson(dynamic json) {
    json ??= {};
    id = json['id'];
    title = json['title'] ?? json['name'];
    author = json['author'];
    summary = json['summary'];
    kind = json['kind'];
    style = json['style'];
    status = json['status'];
    number = json['number'];
    lsjId = json['lsjId'];
    horizontalCover = json['horizontalCover'];
    verticalCover = json['verticalCover'];
    totalEpisode = json['totalEpisode'];
    currentEpisode = json['currentEpisode'];
    freeEpisode = json['freeEpisode'];
    updateStatus = json['updateStatus'];
    updateTime = json['updateTime'];
    createdAt = json['createdAt'];
    price = json['price'];
    contentsPrice = json['contentsPrice'];
    permission = json['permission'];
    permissionIconHide = json['permissionIconHide'];
    mId = json['mId'];
    moduleName = json['moduleName'];
    sId = json['sId'];
    sectionName = json['sectionName'];
    sectionSort = json['sectionSort'];
    sortCode = json['sortCode'];
    countBrowse = json['countBrowse'];
    countCollect = json['countCollect'];
    countDisLike = json['countDisLike'];
    countComment = json['countComment'];
    countLike = json['countLike'];
    countPurchases = json['countPurchases'];
    countView = json['countView'];
    hasFollow = json['hasFollow'];
    direction = json['direction'];
    freeTime = json['freeTime'];
    mediaStatus = VidStatus.fromMap(json['mediaStatus']);
    tagDetails =
        (json['tagDetails'] as List?)?.map((e) => TagsBean.fromMap(e)).toList();
  }

  /// 落本地观看记录用（见 [DramaResume.drama]）。只序列化后端字段，
  /// episodeList / 分页游标那些是运行期状态，进二级页会重新拉，存了也没意义
  Map<String, dynamic> toJson() => {
        'id': id,
        'title': title,
        'author': author,
        'summary': summary,
        'kind': kind,
        'style': style,
        'status': status,
        'number': number,
        'lsjId': lsjId,
        'horizontalCover': horizontalCover,
        'verticalCover': verticalCover,
        'totalEpisode': totalEpisode,
        'currentEpisode': currentEpisode,
        'freeEpisode': freeEpisode,
        'updateStatus': updateStatus,
        'updateTime': updateTime,
        'createdAt': createdAt,
        'price': price,
        'contentsPrice': contentsPrice,
        'permission': permission,
        'permissionIconHide': permissionIconHide,
        'mId': mId,
        'moduleName': moduleName,
        'sId': sId,
        'sectionName': sectionName,
        'sectionSort': sectionSort,
        'sortCode': sortCode,
        'countBrowse': countBrowse,
        'countCollect': countCollect,
        'countDisLike': countDisLike,
        'countComment': countComment,
        'countLike': countLike,
        'countPurchases': countPurchases,
        'countView': countView,
        'hasFollow': hasFollow,
        'direction': direction,
        'freeTime': freeTime,
        'mediaStatus': mediaStatus?.toJson(),
        'tagDetails': tagDetails?.map((e) => e.toJson()).toList(),
      };
}