import 'dart:ui';

import 'package:flutter/cupertino.dart';
import 'package:please_pay_me/theme/tokens.dart';
import 'package:please_pay_me/ui/atoms/app_text.dart';

/// iOS has no SnackBar — the platform idiom is a floating blurred capsule
/// (AirPods / Silent-mode style). Kept dismiss-free and auto-hiding.
class AppToast extends StatelessWidget {
  const AppToast({
    super.key,
    required this.message,
    this.icon = CupertinoIcons.check_mark_circled_solid,
    this.tint = AppColors.accent,
  });

  final String message;
  final IconData? icon;
  final Color tint;

  @override
  Widget build(BuildContext context) {
    return ClipRRect(
      borderRadius: BorderRadius.circular(AppRadii.capsule),
      child: BackdropFilter(
        filter: ImageFilter.blur(sigmaX: 20, sigmaY: 20),
        child: Container(
          padding: const EdgeInsets.symmetric(
            horizontal: AppSpacing.s4,
            vertical: AppSpacing.s3,
          ),
          decoration: BoxDecoration(
            color: AppColors.of(context, AppColors.groupedSurface).withValues(alpha: 0.82),
            borderRadius: BorderRadius.circular(AppRadii.capsule),
            boxShadow: const [
              BoxShadow(color: Color(0x1F000000), blurRadius: 24, offset: Offset(0, 8)),
            ],
          ),
          child: Row(
            mainAxisSize: MainAxisSize.min,
            children: [
              if (icon != null) ...[
                Icon(icon, size: 20, color: AppColors.of(context, tint)),
                const SizedBox(width: AppSpacing.s2),
              ],
              Flexible(child: AppText.subhead(message, color: AppColors.label)),
            ],
          ),
        ),
      ),
    );
  }
}

Future<void> showAppToast(
  BuildContext context, {
  required String message,
  IconData? icon = CupertinoIcons.check_mark_circled_solid,
  Duration duration = const Duration(seconds: 2),
}) async {
  final overlay = Overlay.of(context, rootOverlay: true);
  final entry = OverlayEntry(
    builder: (ctx) => Positioned(
      left: AppSpacing.s5,
      right: AppSpacing.s5,
      bottom: MediaQuery.of(ctx).padding.bottom + AppSpacing.s7,
      child: SafeArea(
        top: false,
        child: Center(child: AppToast(message: message, icon: icon)),
      ),
    ),
  );

  overlay.insert(entry);
  await Future<void>.delayed(duration);
  entry.remove();
}