// Author: fruit.com.cn

import 'package:flutter/material.dart';

import '../../../core/data/models/drama.dart';
import '../../../core/formatting/error_text.dart';
import '../../../core/widgets/empty_state.dart';
import '../../../l10n/app_localizations.dart';
import 'drama_grid.dart';

/// 剧场搜索结果：加载、失败与空结果都留在同一页内。
class DiscoverSearchResults extends StatelessWidget {
  const DiscoverSearchResults({
    super.key,
    required this.loading,
    required this.error,
    required this.results,
    required this.onRetry,
    required this.onOpen,
  });

  final bool loading;
  final String? error;
  final List<Drama> results;
  final VoidCallback onRetry;
  final ValueChanged<Drama> onOpen;

  @override
  Widget build(BuildContext context) {
    final l10n = AppLocalizations.of(context)!;
    return Padding(
      padding: const EdgeInsets.only(top: 12),
      child: _content(l10n),
    );
  }

  Widget _content(AppLocalizations l10n) {
    if (loading) {
      return const Padding(
        padding: EdgeInsets.symmetric(vertical: 80),
        child: Center(child: CircularProgressIndicator(strokeWidth: 2)),
      );
    }
    final message = error;
    if (message != null) {
      return EmptyState(
        key: const Key('discover-search-error'),
        icon: Icons.cloud_off_rounded,
        title: errorText(l10n, message, l10n.searchFailed),
        actionLabel: l10n.retry,
        actionKey: const Key('discover-search-retry'),
        onAction: onRetry,
      );
    }
    if (results.isEmpty) {
      return EmptyState(
        key: const Key('discover-search-empty'),
        icon: Icons.search_off_rounded,
        title: l10n.noSearchResults,
        subtitle: l10n.emptyHint,
      );
    }
    return DramaGrid(l10n: l10n, dramas: results, onOpen: onOpen);
  }
}