// Author: fruit.com.cn

import 'package:flutter/material.dart';

import '../../../core/data/models/drama.dart';
import '../../../core/formatting/count_format.dart';
import '../../../core/theme/app_colors.dart';
import '../../../core/theme/app_dimens.dart';
import '../../../core/widgets/drama_genre_ribbon.dart';
import '../../../core/widgets/remote_image.dart';
import '../../../l10n/app_localizations.dart';
import 'home_drama_classification.dart';

final RegExp _tagSplitter = RegExp(r'[,/、·]');

enum HomeDramaBadge { hot, newRelease, anime }

class HomeFeedCard extends StatelessWidget {
  const HomeFeedCard({
    super.key,
    required this.drama,
    required this.onTap,
    this.now,
  });

  final Drama drama;
  final VoidCallback onTap;
  final DateTime? now;

  @override
  Widget build(BuildContext context) {
    final l10n = AppLocalizations.of(context)!;
    return Material(
      key: Key('home-feed-card-${drama.id}'),
      color: AppColors.transparent,
      child: InkWell(
        borderRadius: BorderRadius.circular(AppDimens.cardCoverRadius),
        onTap: onTap,
        child: Column(
          crossAxisAlignment: CrossAxisAlignment.start,
          mainAxisAlignment: MainAxisAlignment.start,
          children: [
            _cover(l10n),
            Expanded(
              child: Padding(
                padding: const EdgeInsets.only(
                  top: AppDimens.cardCoverTitleGap,
                ),
                child: Column(
                  crossAxisAlignment: CrossAxisAlignment.start,
                  mainAxisAlignment: MainAxisAlignment.start,
                  children: [
                    Text(
                      drama.title,
                      key: Key('home-feed-title-${drama.id}'),
                      maxLines: 2,
                      overflow: TextOverflow.ellipsis,
                      textAlign: TextAlign.left,
                      style: const TextStyle(
                        color: AppColors.navSelected,
                        fontSize: AppDimens.cardTitleFont,
                        fontWeight: FontWeight.w500,
                        height: AppDimens.cardTitleLineHeight,
                      ),
                    ),
                  ],
                ),
              ),
            ),
          ],
        ),
      ),
    );
  }

  Widget _cover(AppLocalizations l10n) {
    final badge = _badge();
    return ClipRRect(
      key: Key('home-feed-cover-clip-${drama.id}'),
      borderRadius: BorderRadius.circular(AppDimens.cardCoverRadius),
      child: AspectRatio(
        aspectRatio: AppDimens.cardCoverAspectRatio,
        child: Stack(
          fit: StackFit.expand,
          children: [
            RemoteImage(
              drama.posterUrl,
              key: Key('home-feed-cover-${drama.id}'),
              fit: BoxFit.cover,
              showFallbackIcon: true,
              fallbackColor: AppColors.contentSurface,
            ),
            if (badge != null)
              Positioned(
                top: AppDimens.spaceXs,
                left: AppDimens.spaceXs,
                child: _badgeChip(l10n, badge),
              ),
            Positioned(
              top: 0,
              right: 0,
              child: DramaGenreRibbon(tags: _cardTags(), keyPrefix: drama.id),
            ),
            Positioned(
              left: AppDimens.spaceXs,
              bottom: AppDimens.spaceXs,
              child: _views(),
            ),
          ],
        ),
      ),
    );
  }

  HomeDramaBadge? _badge() {
    if (drama.dramaType.toUpperCase() == 'ANIME') {
      return HomeDramaBadge.anime;
    }
    if (isNewDrama(drama, now: now)) return HomeDramaBadge.newRelease;
    if (isHotDrama(drama)) {
      return HomeDramaBadge.hot;
    }
    return null;
  }

  Widget _badgeChip(AppLocalizations l10n, HomeDramaBadge badge) {
    final (label, color) = switch (badge) {
      HomeDramaBadge.hot => (l10n.homeBadgeHot, AppColors.badgeHot),
      HomeDramaBadge.newRelease => (l10n.homeBadgeNew, AppColors.badgeNew),
      HomeDramaBadge.anime => (l10n.homeBadgeAnime, AppColors.badgeAnime),
    };
    return Container(
      key: Key('home-feed-badge-${badge.name}-${drama.id}'),
      padding: const EdgeInsets.symmetric(
        horizontal: AppDimens.cardBadgeHorizontalPadding,
        vertical: AppDimens.cardBadgeVerticalPadding,
      ),
      decoration: BoxDecoration(
        color: color,
        borderRadius: BorderRadius.circular(AppDimens.cardBadgeRadius),
      ),
      child: Text(
        label,
        style: const TextStyle(
          color: AppColors.navSelected,
          fontSize: AppDimens.cardBadgeFont,
          fontWeight: FontWeight.w700,
          letterSpacing: 0,
        ),
      ),
    );
  }

  Widget _views() {
    return Container(
      key: Key('home-feed-views-${drama.id}'),
      padding: const EdgeInsets.symmetric(horizontal: 5, vertical: 2),
      decoration: BoxDecoration(
        color: AppColors.playerOverlayPill,
        borderRadius: BorderRadius.circular(AppDimens.pillRadius),
      ),
      child: Row(
        mainAxisSize: MainAxisSize.min,
        children: [
          const Icon(
            Icons.auto_awesome_rounded,
            size: AppDimens.cardViewsIcon,
            color: AppColors.navSelected,
          ),
          const SizedBox(width: 1),
          Text(
            formatPlayCount(drama.viewCount),
            style: const TextStyle(
              color: AppColors.navSelected,
              fontSize: AppDimens.cardViewsFont,
              fontWeight: FontWeight.w600,
              letterSpacing: 0,
            ),
          ),
        ],
      ),
    );
  }

  List<String> _cardTags() {
    final seen = <String>{};
    return [drama.genre, drama.category]
        .expand((value) => value.split(_tagSplitter))
        .map((value) => value.trim())
        .where((value) => value.isNotEmpty && seen.add(value))
        .take(3)
        .toList(growable: false);
  }
}