import 'package:flutter/material.dart';
import 'package:flutter_riverpod/flutter_riverpod.dart';

import 'core/theme/app_theme.dart';
import 'features/dashboard/dashboard_screen.dart';
import 'features/onboarding/onboarding_flow.dart';
import 'providers/database_provider.dart';

class BonpointApp extends ConsumerStatefulWidget {
  const BonpointApp({super.key});

  @override
  ConsumerState<BonpointApp> createState() => _BonpointAppState();
}

class _BonpointAppState extends ConsumerState<BonpointApp> {
  @override
  void initState() {
    super.initState();
    Future.microtask(() => ref.read(databaseProvider).initialize());
  }

  @override
  Widget build(BuildContext context) {
    final onboardingAsync = ref.watch(onboardingCompleteProvider);

    return MaterialApp(
      title: 'Bons Points',
      debugShowCheckedModeBanner: false,
      theme: AppTheme.light(),
      home: onboardingAsync.when(
        loading: () => const _SplashScreen(),
        error: (_, _) => const OnboardingFlow(),
        data: (complete) =>
            complete ? const DashboardScreen() : const OnboardingFlow(),
      ),
    );
  }
}

class _SplashScreen extends StatelessWidget {
  const _SplashScreen();

  @override
  Widget build(BuildContext context) {
    return DecoratedBox(
      decoration: const BoxDecoration(gradient: AppTheme.primaryGradient),
      child: Scaffold(
        backgroundColor: Colors.transparent,
        body: Center(
          child: Column(
            mainAxisAlignment: MainAxisAlignment.center,
            children: [
              const Text('⭐', style: TextStyle(fontSize: 64)),
              const SizedBox(height: 16),
              Text(
                'Bons Points',
                style: Theme.of(context).textTheme.headlineMedium?.copyWith(
                      color: Colors.white,
                      fontWeight: FontWeight.bold,
                    ),
              ),
              const SizedBox(height: 32),
              const CircularProgressIndicator(color: Colors.white),
            ],
          ),
        ),
      ),
    );
  }
}