import 'package:flutter/material.dart';
import 'package:go_router/go_router.dart';
import 'package:qpay/screens/onboarding/widgets/onboarding_layout.dart';

class CompleteScreen extends StatefulWidget {
  const CompleteScreen({super.key});

  @override
  State<CompleteScreen> createState() => _CompleteScreenState();
}

class _CompleteScreenState extends State<CompleteScreen> {
  @override
  Widget build(BuildContext context) {
    final colorScheme = Theme.of(context).colorScheme;
    return OnboardingLayout(
      // No back button - the user shouldn't be able to go back to the
      // verification step after their account is fully set up.
      showBackButton: false,
      child: OnboardingCard(
        child: Column(
          crossAxisAlignment: CrossAxisAlignment.stretch,
          children: [
            // Success badge - green to differentiate from the brand primary.
            Container(
              padding: const EdgeInsets.all(20),
              decoration: BoxDecoration(
                color: Colors.green.withValues(alpha: 0.12),
                shape: BoxShape.circle,
              ),
              child: const Icon(
                Icons.check_circle_rounded,
                color: Colors.green,
                size: 56,
              ),
            ),
            const SizedBox(height: 20),
            Text(
              "You're all set!",
              textAlign: TextAlign.center,
              style: Theme.of(context).textTheme.headlineSmall?.copyWith(
                fontWeight: FontWeight.w800,
                color: colorScheme.onSurface,
                letterSpacing: -0.5,
              ),
            ),
            const SizedBox(height: 8),
            Text(
              'Welcome to Velocity. Your account is ready — sign in to start sending and receiving payments.',
              textAlign: TextAlign.center,
              style: Theme.of(context).textTheme.bodyMedium?.copyWith(
                color: colorScheme.onSurface.withValues(alpha: 0.65),
                height: 1.45,
              ),
            ),
            const SizedBox(height: 28),
            Container(
              decoration: BoxDecoration(
                borderRadius: BorderRadius.circular(16),
                boxShadow: [
                  BoxShadow(
                    color: colorScheme.primary.withValues(alpha: 0.2),
                    blurRadius: 24,
                    offset: const Offset(0, 12),
                  ),
                ],
              ),
              child: ClipRRect(
                borderRadius: BorderRadius.circular(16),
                child: Image.asset(
                  'assets/complete.png',
                  width: 180,
                  fit: BoxFit.contain,
                ),
              ),
            ),
            const SizedBox(height: 32),
            OnboardingPrimaryButton(
              label: 'Continue to sign in',
              icon: Icons.arrow_forward_rounded,
              onPressed: () {
                context.go('/onboarding/login');
              },
            ),
          ],
        ),
      ),
    );
  }
}
