// lib/ui/screens/settings_screen.dart
import 'package:flutter/material.dart';
import 'package:flutter_riverpod/flutter_riverpod.dart';

import '../../game/models/season.dart';
import '../../l10n/gen/app_localizations.dart';
import '../../state/providers.dart';
import '../widgets/season_background.dart';

class SettingsScreen extends ConsumerWidget {
  const SettingsScreen({super.key});

  @override
  Widget build(BuildContext context, WidgetRef ref) {
    final l10n = AppLocalizations.of(context)!;
    final adsRemoved = ref.watch(adsRemovedProvider);
    final soundOn = ref.watch(soundEnabledProvider);
    final iap = ref.read(iapServiceProvider);

    ref.listen<bool>(adsRemovedProvider, (prev, next) {
      if (next && !(prev ?? false)) {
        ScaffoldMessenger.of(context).showSnackBar(
          SnackBar(content: Text(l10n.adsRemovedThanks)),
        );
      }
    });

    return Stack(
      fit: StackFit.expand,
      children: [
        const SeasonBackground(theme: SeasonTheme.fallback),
        Scaffold(
          backgroundColor: Colors.transparent,
          appBar: AppBar(
            backgroundColor: Colors.transparent,
            title: Text(l10n.settings),
          ),
          body: ListView(
            padding: const EdgeInsets.all(16),
            children: [
              SwitchListTile(
                title: Text(l10n.soundAndVibration),
                value: soundOn,
                onChanged: (v) =>
                    ref.read(soundEnabledProvider.notifier).set(v),
              ),
              const Divider(),
              ListTile(
                title: Text(l10n.removeAds),
                subtitle: Text(l10n.removeAdsDescription),
                trailing: adsRemoved
                    ? const Icon(Icons.check_circle, color: Colors.green)
                    : Text(iap.product?.price ?? ''),
                onTap: adsRemoved
                    ? null
                    : () async {
                        if (!iap.available || iap.product == null) {
                          ScaffoldMessenger.of(context).showSnackBar(
                            SnackBar(content: Text(l10n.purchaseUnavailable)),
                          );
                          return;
                        }
                        await iap.buyRemoveAds();
                      },
              ),
              const Divider(),
              ListTile(
                leading: const Icon(Icons.restore),
                title: Text(l10n.restorePurchases),
                onTap: () => iap.restorePurchases(),
              ),
            ],
          ),
        ),
      ],
    );
  }
}