import 'dart:math' as math;
import 'package:flutter/material.dart';
import '../core/app_theme.dart';

class SplashScreen extends StatelessWidget {
  const SplashScreen({super.key});
  @override
  Widget build(BuildContext context) {
    return Scaffold(
      backgroundColor: AppTheme.navy,
      body: Stack(
        fit: StackFit.expand,
        children: [
          CustomPaint(painter: _FamilyCanvasPainter()),
          SafeArea(
            child: Center(
              child: Padding(
                padding: const EdgeInsets.all(32),
                child: Column(
                  mainAxisSize: MainAxisSize.min,
                  children: [
                    Container(
                      width: 88,
                      height: 88,
                      decoration: BoxDecoration(
                        color: Colors.white.withValues(alpha: .12),
                        borderRadius: BorderRadius.circular(28),
                      ),
                      child: const Icon(
                        Icons.cloud_upload_rounded,
                        color: Colors.white,
                        size: 46,
                      ),
                    ),
                    const SizedBox(height: 28),
                    const Text(
                      'Welcome to',
                      style: TextStyle(color: Colors.white70, fontSize: 18),
                    ),
                    const SizedBox(height: 8),
                    const Text(
                      'Metatroncube\nDigital Family',
                      textAlign: TextAlign.center,
                      style: TextStyle(
                        color: Colors.white,
                        fontWeight: FontWeight.w800,
                        fontSize: 32,
                        height: 1.1,
                      ),
                    ),
                    const SizedBox(height: 34),
                    const SizedBox(
                      width: 28,
                      height: 28,
                      child: CircularProgressIndicator(
                        strokeWidth: 2.5,
                        color: AppTheme.mint,
                      ),
                    ),
                  ],
                ),
              ),
            ),
          ),
        ],
      ),
    );
  }
}

class _FamilyCanvasPainter extends CustomPainter {
  @override
  void paint(Canvas canvas, Size size) {
    final paint = Paint()..style = PaintingStyle.fill;
    for (var i = 0; i < 18; i++) {
      final x = (math.sin(i * 2.7) + 1) * size.width / 2;
      final y = (math.cos(i * 1.9) + 1) * size.height / 2;
      paint.color = (i.isEven ? AppTheme.blue : AppTheme.mint).withValues(
        alpha: .12,
      );
      canvas.drawCircle(Offset(x, y), 12 + (i % 5) * 8, paint);
    }
  }

  @override
  bool shouldRepaint(covariant CustomPainter oldDelegate) => false;
}