import 'package:flutter/material.dart';

import '../theme/app_status_colors.dart';
import '../theme/app_surfaces.dart';

/// Cyber/IT status pill — a compact, uppercase, mono-friendly badge whose color
/// carries meaning via [AppStatusColors].
///
/// Two constructors:
/// * [StatusPill.kind] (preferred) — pass a semantic [StatusKind] and it pulls
///   the correct tonal container/foreground from the theme, consistent in both
///   light and dark.
/// * The default constructor keeps the older `isEmphasized` behaviour for
///   back-compat (primaryContainer vs. tertiaryContainer).
class StatusPill extends StatelessWidget {
  const StatusPill({super.key, required this.label, this.isEmphasized = false})
    : kind = null;

  /// Semantic variant — the recommended way to build a status pill.
  const StatusPill.kind(
    this.kind, {
    super.key,
    required this.label,
  }) : isEmphasized = false;

  final String label;
  final bool isEmphasized;
  final StatusKind? kind;

  @override
  Widget build(BuildContext context) {
    final scheme = Theme.of(context).colorScheme;
    final radius = AppSurfaces.of(context).chipRadius;

    late final Color background;
    late final Color foreground;
    if (kind != null) {
      final swatch = AppStatusColors.of(context).byKind(kind!);
      background = swatch.container;
      foreground = swatch.onContainer;
    } else {
      // Legacy path: emphasis maps to primary vs. tertiary containers.
      background = isEmphasized
          ? scheme.primaryContainer
          : scheme.tertiaryContainer;
      foreground = isEmphasized
          ? scheme.onPrimaryContainer
          : scheme.onTertiaryContainer;
    }

    return AnimatedContainer(
      duration: const Duration(milliseconds: 400),
      curve: Curves.easeOutCubic,
      padding: const EdgeInsets.symmetric(horizontal: 12, vertical: 6),
      decoration: BoxDecoration(
        color: background,
        borderRadius: BorderRadius.circular(radius),
      ),
      child: Text(
        label.toUpperCase(),
        style: Theme.of(context).textTheme.labelSmall?.copyWith(
          color: foreground,
          fontWeight: FontWeight.w700,
          letterSpacing: 0.5,
        ),
      ),
    );
  }
}