import 'package:flutter/material.dart';
import 'package:flutter_lucide/flutter_lucide.dart';
import 'package:get/get.dart';
import 'package:marco/controller/auth/forgot_password_controller.dart';
import 'package:marco/helpers/services/api_endpoints.dart';
import 'package:marco/helpers/services/storage/local_storage.dart';
import 'package:marco/helpers/utils/mixins/ui_mixin.dart';
import 'package:marco/helpers/widgets/my_button.dart';
import 'package:marco/helpers/widgets/my_text.dart';
import 'package:marco/images.dart';

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

  @override
  State<ForgotPasswordScreen> createState() => _ForgotPasswordScreenState();
}

class _ForgotPasswordScreenState extends State<ForgotPasswordScreen>
    with UIMixin, SingleTickerProviderStateMixin {
  final ForgotPasswordController controller =
      Get.put(ForgotPasswordController());

  late final AnimationController _controller;
  late final Animation<double> _logoAnimation;

  final bool _isBetaEnvironment = ApiEndpoints.baseUrl.contains("stage");
  bool _isLoading = false;

  @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();
    Get.delete<ForgotPasswordController>();
    super.dispose();
  }

  Future<void> _handleForgotPassword() async {
    setState(() => _isLoading = true);
    await controller.onForgotPassword();
    setState(() => _isLoading = false);
  }

  @override
  Widget build(BuildContext context) {
    return Scaffold(
      body: Stack(
        children: [
          _RedWaveBackground(brandRed: contentTheme.brandRed),
          SafeArea(
            child: Center(
              child: Column(
                children: [
                  const SizedBox(height: 24),
                  _buildAnimatedLogo(),
                  const SizedBox(height: 8),
                  Expanded(
                    child: SingleChildScrollView(
                      padding: const EdgeInsets.symmetric(horizontal: 24),
                      child: ConstrainedBox(
                        constraints: const BoxConstraints(maxWidth: 420),
                        child: Column(
                          children: [
                            const SizedBox(height: 12),
                            _buildWelcomeText(),
                            if (_isBetaEnvironment) ...[
                              const SizedBox(height: 12),
                              _buildBetaBadge(),
                            ],
                            const SizedBox(height: 36),
                            _buildForgotCard(),
                          ],
                        ),
                      ),
                    ),
                  ),
                ],
              ),
            ),
          ),
        ],
      ),
    );
  }

  Widget _buildAnimatedLogo() {
    return ScaleTransition(
      scale: _logoAnimation,
      child: Container(
        width: 100,
        height: 100,
        padding: const EdgeInsets.all(20),
        decoration: const BoxDecoration(
          color: Colors.white,
          shape: BoxShape.circle,
          boxShadow: [
            BoxShadow(
              color: Colors.black12,
              blurRadius: 10,
              offset: Offset(0, 4),
            ),
          ],
        ),
        child: Image.asset(Images.logoDark),
      ),
    );
  }

  Widget _buildWelcomeText() {
    return Column(
      children: [
        MyText(
          "Welcome to Marco",
          fontSize: 24,
          fontWeight: 600,
          color: Colors.black87,
          textAlign: TextAlign.center,
        ),
        const SizedBox(height: 10),
        MyText(
          "Streamline Project Management\nBoost Productivity with Automation.",
          fontSize: 14,
          color: Colors.black54,
          textAlign: TextAlign.center,
        ),
      ],
    );
  }

  Widget _buildBetaBadge() {
    return Container(
      padding: const EdgeInsets.symmetric(horizontal: 10, vertical: 4),
      decoration: BoxDecoration(
        color: Colors.orangeAccent,
        borderRadius: BorderRadius.circular(6),
      ),
      child: MyText(
        'BETA',
        color: Colors.white,
        fontWeight: 600,
        fontSize: 12,
      ),
    );
  }

  Widget _buildForgotCard() {
    return Container(
      padding: const EdgeInsets.all(24),
      decoration: BoxDecoration(
        color: Colors.white,
        borderRadius: BorderRadius.circular(20),
        boxShadow: const [
          BoxShadow(
            color: Colors.black12,
            blurRadius: 10,
            offset: Offset(0, 4),
          ),
        ],
      ),
      child: Form(
        key: controller.basicValidator.formKey,
        child: Column(
          crossAxisAlignment: CrossAxisAlignment.center,
          children: [
            MyText(
              'Forgot Password',
              fontSize: 20,
              fontWeight: 600,
              color: Colors.black87,
              textAlign: TextAlign.center,
            ),
            const SizedBox(height: 10),
            MyText(
              "Enter your email and we'll send you instructions to reset your password.",
              fontSize: 14,
              color: Colors.black54,
              textAlign: TextAlign.center,
            ),
            const SizedBox(height: 30),
            _buildEmailInput(),
            const SizedBox(height: 32),
            _buildResetButton(),
            const SizedBox(height: 20),
            _buildBackButton(),
          ],
        ),
      ),
    );
  }

  Widget _buildEmailInput() {
    return TextFormField(
      validator: controller.basicValidator.getValidation('email'),
      controller: controller.basicValidator.getController('email'),
      keyboardType: TextInputType.emailAddress,
      style: const TextStyle(fontSize: 14),
      decoration: InputDecoration(
        labelText: "Email Address",
        labelStyle: const TextStyle(color: Colors.black54),
        filled: true,
        fillColor: Colors.grey.shade100,
        prefixIcon: const Icon(LucideIcons.mail, size: 20),
        border: OutlineInputBorder(
          borderRadius: BorderRadius.circular(12),
          borderSide: BorderSide.none,
        ),
        contentPadding:
            const EdgeInsets.symmetric(horizontal: 16, vertical: 16),
      ),
    );
  }

  Widget _buildResetButton() {
    return MyButton.rounded(
      onPressed: _isLoading ? null : _handleForgotPassword,
      elevation: 2,
      padding: const EdgeInsets.symmetric(horizontal: 40, vertical: 16),
      borderRadiusAll: 10,
      backgroundColor: _isLoading
          ? contentTheme.brandRed.withOpacity(0.6)
          : contentTheme.brandRed,
      child: _isLoading
          ? const SizedBox(
              height: 20,
              width: 20,
              child: CircularProgressIndicator(
                color: Colors.white,
                strokeWidth: 2,
              ),
            )
          : MyText.bodyMedium(
              'Send Reset Link',
              color: Colors.white,
              fontWeight: 600,
              fontSize: 16,
            ),
    );
  }

  Widget _buildBackButton() {
    return TextButton.icon(
      onPressed: () async => await LocalStorage.logout(),
      icon: const Icon(Icons.arrow_back, size: 18, color: Colors.redAccent),
      label: MyText.bodyMedium(
        'Back to Login',
        color: contentTheme.brandRed,
        fontWeight: 600,
        fontSize: 14,
      ),
    );
  }
}

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;
}