import 'package:flutter/material.dart';

/// Shown while `SessionState.restore()` runs, before the real app (signup /
/// onboarding / conversation list) is ready to pick. Purely presentational —
/// no navigation logic lives here, `main.dart` swaps it out once restore()
/// resolves.
class SplashScreen extends StatelessWidget {
  const SplashScreen({super.key});

  @override
  Widget build(BuildContext context) {
    final theme = Theme.of(context);
    final scheme = theme.colorScheme;
    return Scaffold(
      backgroundColor: Colors.transparent,
      body: Center(
        child: Column(
          mainAxisSize: MainAxisSize.min,
          children: [
            Container(
              width: 88,
              height: 88,
              decoration: BoxDecoration(
                color: scheme.primary.withOpacity(0.15),
                shape: BoxShape.circle,
              ),
              child: Center(
                child: Container(
                  width: 64,
                  height: 64,
                  decoration: BoxDecoration(
                    gradient: LinearGradient(
                      begin: Alignment.topLeft,
                      end: Alignment.bottomRight,
                      colors: [scheme.primary, scheme.tertiary],
                    ),
                    borderRadius: BorderRadius.circular(20),
                  ),
                  child: const Icon(Icons.auto_awesome, color: Colors.white, size: 30),
                ),
              ),
            ),
            const SizedBox(height: 24),
            Text(
              '와카뷰',
              style: theme.textTheme.headlineSmall?.copyWith(fontWeight: FontWeight.w800),
            ),
            const SizedBox(height: 8),
            Text(
              '나를 대신해 답하는, 나만의 와카뷰',
              style: theme.textTheme.bodyMedium?.copyWith(color: scheme.onSurfaceVariant),
            ),
            const SizedBox(height: 32),
            SizedBox(
              width: 28,
              height: 28,
              child: CircularProgressIndicator(strokeWidth: 2.5, color: scheme.primary),
            ),
          ],
        ),
      ),
    );
  }
}