import 'package:flutter/material.dart';

import '../data/models.dart';
import '../theme/reclaim_tokens.dart';

/// Tier badge — surfaces the lowest evidence tier in a composed
/// value. Every figure in the app carries one of these next to it.
class TierBadge extends StatelessWidget {
  const TierBadge({super.key, required this.tier, this.compact = false});

  final EvidenceTier tier;
  final bool compact;

  @override
  Widget build(BuildContext context) {
    final t = Theme.of(context).textTheme;
    final color = switch (tier) {
      EvidenceTier.t1 => ReclaimColors.tierT1,
      EvidenceTier.t2 => ReclaimColors.tierT2,
      EvidenceTier.t3 => ReclaimColors.tierT3,
      EvidenceTier.t4 => ReclaimColors.tierT4,
    };
    return Tooltip(
      message: '${tier.short} — ${tier.description}',
      child: Container(
        padding: EdgeInsets.symmetric(
          horizontal: compact ? 6 : ReclaimSpace.sm,
          vertical: compact ? 2 : 4,
        ),
        decoration: BoxDecoration(
          color: color.withValues(alpha: 0.18),
          border: Border.all(color: color.withValues(alpha: 0.55)),
          borderRadius: const BorderRadius.all(ReclaimRadius.sm),
        ),
        child: Row(
          mainAxisSize: MainAxisSize.min,
          children: [
            Container(
              width: 6,
              height: 6,
              decoration: BoxDecoration(
                color: color,
                shape: BoxShape.circle,
              ),
            ),
            const SizedBox(width: 6),
            Text(
              tier.short,
              style: (compact ? t.labelSmall : t.labelLarge)?.copyWith(
                color: color,
                fontWeight: FontWeight.w600,
              ),
            ),
          ],
        ),
      ),
    );
  }
}