import 'package:flutter/material.dart';
import 'package:marco/helpers/utils/mixins/ui_mixin.dart';
import 'package:marco/images.dart';

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

  @override
  State<OfflineScreen> createState() => _OfflineScreenState();
}

class _OfflineScreenState extends State<OfflineScreen>
    with SingleTickerProviderStateMixin, UIMixin {
  late AnimationController _controller;
  late Animation<double> _logoAnimation;

  @override
  void initState() {
    super.initState();
    _controller = AnimationController(
      vsync: this,
      duration: const Duration(milliseconds: 800),
    );
    _logoAnimation = CurvedAnimation(
      parent: _controller,
      curve: Curves.easeOutBack,
    );
    _controller.forward();
  }

  @override
  void dispose() {
    _controller.dispose();
    super.dispose();
  }

  @override
  Widget build(BuildContext context) {
    return Scaffold(
      body: Stack(
        children: [
          _RedWaveBackground(brandRed: contentTheme.brandRed),
          SafeArea(
            child: Center(
              child: Padding(
                padding: const EdgeInsets.symmetric(
                    horizontal: 12.0),
                child: Column(
                  mainAxisAlignment: MainAxisAlignment.center,
                  children: [
                    ScaleTransition(
                      scale: _logoAnimation,
                      child: Container(
                        width: 100,
                        height: 100,
                        decoration: BoxDecoration(
                          color: Colors.white,
                          shape: BoxShape.circle,
                          boxShadow: const [
                            BoxShadow(
                              color: Colors.black12,
                              blurRadius: 10,
                              offset: Offset(0, 10),
                            ),
                          ],
                        ),
                        padding: const EdgeInsets.all(20),
                        child: Image.asset(Images.logoDark),
                      ),
                    ),
                    // Increased spacing here
                    const SizedBox(height: 120), 
                    const Icon(Icons.wifi_off,
                        size: 100, color: Colors.redAccent),
                    const SizedBox(height: 20),
                    const Text(
                      "No Internet Connection", 
                      style: TextStyle(
                        fontSize: 26, 
                        fontWeight: FontWeight.bold,
                        color: Colors.black87,
                      ),
                      textAlign: TextAlign.center,
                    ),
                    const SizedBox(height: 15),
                    const Text(
                      "It seems you're currently offline. Please check your network settings or Wi-Fi connection.",
                      textAlign: TextAlign.center,
                      style: TextStyle(fontSize: 16, color: Colors.grey),
                    ),
          
                  ],
                ),
              ),
            ),
          ),
        ],
      ),
    );
  }
}

class _RedWaveBackground extends StatelessWidget {
  final Color brandRed;
  const _RedWaveBackground({required this.brandRed});

  @override
  Widget build(BuildContext context) {
    return CustomPaint(
      painter: _WavePainter(brandRed),
      size: Size.infinite,
    );
  }
}

class _WavePainter extends CustomPainter {
  final Color brandRed;

  _WavePainter(this.brandRed);

  @override
  void paint(Canvas canvas, Size size) {
    final paint1 = Paint()
      ..shader = LinearGradient(
        colors: [brandRed, const Color.fromARGB(255, 97, 22, 22)],
        begin: Alignment.topLeft,
        end: Alignment.bottomRight,
      ).createShader(Rect.fromLTWH(0, 0, size.width, size.height));

    final path1 = Path()
      ..moveTo(0, size.height * 0.2)
      ..quadraticBezierTo(size.width * 0.25, size.height * 0.05,
          size.width * 0.5, size.height * 0.15)
      ..quadraticBezierTo(
          size.width * 0.75, size.height * 0.25, size.width, size.height * 0.1)
      ..lineTo(size.width, 0)
      ..lineTo(0, 0)
      ..close();

    canvas.drawPath(path1, paint1);

    final paint2 = Paint()..color = Colors.redAccent.withOpacity(0.15);
    final path2 = Path()
      ..moveTo(0, size.height * 0.25)
      ..quadraticBezierTo(
          size.width * 0.4, size.height * 0.1, size.width, size.height * 0.2)
      ..lineTo(size.width, 0)
      ..lineTo(0, 0)
      ..close();

    canvas.drawPath(path2, paint2);
  }

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