gopeed/ui/flutter/lib/shared/widgets/app_toast.dart

import 'package:flutter/widgets.dart';
import 'package:shadcn_flutter/shadcn_flutter.dart' as shad;

import '../theme/app_palette.dart';

enum AppToastType { info, success, error }

/// Shows the application's shared toast presentation.
///
/// Toast width is controlled by the loose global [shad.ToastTheme] constraint:
/// short messages stay compact while long messages wrap before becoming wider
/// than the configured maximum. Errors and normal notices use the same layout.
void showAppToast(BuildContext context, String message, {AppToastType type = AppToastType.info}) {
  shad.showToast(
    context: context,
    location: shad.ToastLocation.topCenter,
    builder: (context, overlay) => Align(
      alignment: Alignment.topCenter,
      widthFactor: 1,
      heightFactor: 1,
      child: AppToastContent(message: message, type: type),
    ),
  );
}

/// Shared toast surface for edge notifications and centered exit prompts.
class AppToastContent extends StatelessWidget {
  const AppToastContent({super.key, required this.message, this.type = AppToastType.info});

  final String message;
  final AppToastType type;

  @override
  Widget build(BuildContext context) {
    final palette = AppPalette.of(context);
    final borderColor = switch (type) {
      AppToastType.error => palette.error.withValues(alpha: 0.55),
      AppToastType.success || AppToastType.info => palette.border,
    };
    return Container(
      key: const ValueKey('app-toast-content'),
      padding: const EdgeInsets.symmetric(horizontal: 14, vertical: 12),
      decoration: BoxDecoration(
        color: palette.cardBg,
        borderRadius: BorderRadius.circular(8),
        border: Border.all(color: borderColor),
      ),
      child: Text(message, style: TextStyle(color: palette.textPrimary, fontSize: 13, height: 1.2)),
    );
  }
}