// Author: fruit.com.cn

import 'package:flutter/material.dart';

import '../../../core/theme/app_colors.dart';
import '../../../l10n/app_localizations.dart';

/// 清晰度档位面板：展示后端下发档位；HLS 多码率由播放器自动切换。
class QualitySheet extends StatelessWidget {
  const QualitySheet({
    super.key,
    required this.qualities,
    this.selected = autoQuality,
  });

  static const String autoQuality = 'AUTO';

  final List<String> qualities;
  final String selected;

  @override
  Widget build(BuildContext context) {
    final l10n = AppLocalizations.of(context)!;
    return SafeArea(
      child: Column(
        key: const Key('player-quality-sheet'),
        mainAxisSize: MainAxisSize.min,
        children: [
          _header(l10n),
          for (final quality in qualities) _qualityTile(l10n, quality),
          _hint(l10n),
        ],
      ),
    );
  }

  Widget _header(AppLocalizations l10n) {
    return Padding(
      padding: const EdgeInsets.fromLTRB(20, 2, 20, 8),
      child: Align(
        alignment: Alignment.centerLeft,
        child: Text(
          l10n.playbackQuality,
          style: const TextStyle(
            color: AppColors.onSurface,
            fontSize: 14,
            fontWeight: FontWeight.w700,
          ),
        ),
      ),
    );
  }

  Widget _qualityTile(AppLocalizations l10n, String quality) {
    final active = quality == selected;
    return ListTile(
      key: Key('player-quality-$quality'),
      dense: true,
      title: Text(
        _label(l10n, quality),
        style: TextStyle(
          color: active ? AppColors.blue : AppColors.cream,
          fontSize: 13,
          fontWeight: active ? FontWeight.w700 : FontWeight.w500,
        ),
      ),
      trailing: active
          ? const Icon(Icons.check_rounded, color: AppColors.blue, size: 18)
          : null,
    );
  }

  Widget _hint(AppLocalizations l10n) {
    return Padding(
      padding: const EdgeInsets.fromLTRB(20, 6, 20, 14),
      child: Text(
        l10n.qualityAutoHint,
        style: const TextStyle(color: AppColors.muted, fontSize: 11),
      ),
    );
  }

  String _label(AppLocalizations l10n, String quality) =>
      quality == autoQuality ? l10n.qualityAuto : quality;
}