import 'package:flutter/material.dart';
import 'package:flutter_svg/flutter_svg.dart';
import 'package:lba/gen/assets.gen.dart';
import 'package:lba/res/colors.dart';
import 'package:firebase_auth/firebase_auth.dart';
import 'package:google_sign_in/google_sign_in.dart';
import 'package:lba/screens/auth/login_page.dart';

Future<void> showLogoutDialog(BuildContext context) async {
  showDialog(
    context: context,
    barrierDismissible: false,
    builder: (BuildContext context) {
      return const _AnimatedLogoutDialog();
    },
  );
}

class _AnimatedLogoutDialog extends StatefulWidget {
  const _AnimatedLogoutDialog({Key? key}) : super(key: key);

  @override
  State<_AnimatedLogoutDialog> createState() => _AnimatedLogoutDialogState();
}

class _AnimatedLogoutDialogState extends State<_AnimatedLogoutDialog>
    with SingleTickerProviderStateMixin {
  late AnimationController _controller;
  late Animation<double> _scaleAnimation;
  late Animation<double> _fadeAnimation;

  @override
  void initState() {
    super.initState();
    _controller = AnimationController(
      vsync: this,
      duration: const Duration(milliseconds: 450),
    );

    _scaleAnimation = CurvedAnimation(
      parent: _controller,
      curve: Curves.elasticOut,
    );

    _fadeAnimation = CurvedAnimation(parent: _controller, curve: Curves.easeIn);

    _controller.forward();
  }

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

  @override
  Widget build(BuildContext context) {
    return FadeTransition(
      opacity: _fadeAnimation,
      child: ScaleTransition(
        scale: _scaleAnimation,
        child: Dialog(
          shape: RoundedRectangleBorder(
            borderRadius: BorderRadius.circular(15),
          ),
          elevation: 10,
          backgroundColor: AppColors.surface,
          child: Stack(
            clipBehavior: Clip.none,
            alignment: Alignment.topCenter,
            children: [
              Padding(
                padding: EdgeInsets.only(
                  top: 50,
                  left: 20,
                  right: 20,
                  bottom: 20,
                ),
                child: Column(
                  mainAxisSize: MainAxisSize.min,
                  crossAxisAlignment: CrossAxisAlignment.start,
                  children: [
                    const Center(
                      child: Text(
                        "Log Out?",
                        style: TextStyle(
                          fontSize: 18,
                          fontWeight: FontWeight.bold,
                        ),
                        textAlign: TextAlign.center,
                      ),
                    ),
                    const SizedBox(height: 15),
                    Text(
                      "Are you sure you want to log out of your account?\nYou will need to sign in again to continue using the app.",
                      style: TextStyle(
                        color: AppColors.popupText,
                        fontSize: 15,
                        height: 1.4,
                        fontWeight: FontWeight.bold,
                      ),
                      textAlign: TextAlign.left,
                    ),
                    const SizedBox(height: 25),
                    Row(
                      children: [
                        Expanded(
                          flex: 2,
                          child: ElevatedButton(
                            style: ElevatedButton.styleFrom(
                              backgroundColor: AppColors.errorColor,
                              foregroundColor: AppColors.textPrimary,
                              shape: RoundedRectangleBorder(
                                borderRadius: BorderRadius.circular(8),
                                side: BorderSide(color: AppColors.offerTimer),
                              ),
                              padding: const EdgeInsets.symmetric(vertical: 12),
                            ),
                            onPressed: () async {
                              Navigator.of(context).pop();                              
                              try {
                                await GoogleSignIn().signOut();
                                await FirebaseAuth.instance.signOut();
                                print('✅ Logout successful');
                                
                                if (context.mounted) {
                                  Navigator.of(context).pushAndRemoveUntil(
                                    MaterialPageRoute(
                                      builder: (context) => const LoginPage(),
                                    ),
                                    (Route<dynamic> route) => false,
                                  );
                                }
                              } catch (e) {
                                print('❌ Logout error: $e');
                                if (context.mounted) {
                                  ScaffoldMessenger.of(context).showSnackBar(
                                    SnackBar(content: Text('خطا در خروج: $e')),
                                  );
                                }
                              }
                            },
                            child: Text(
                              "Log Out",
                              style: TextStyle(color: AppColors.textPrimary),
                            ),
                          ),
                        ),
                        const SizedBox(width: 10),
                        Expanded(
                          flex: 1,
                          child: OutlinedButton(
                            style: OutlinedButton.styleFrom(
                              foregroundColor: AppColors.textPrimary,
                              shape: RoundedRectangleBorder(
                                borderRadius: BorderRadius.circular(8),
                              ),
                              side: BorderSide(color: AppColors.greyBorder),
                              padding: const EdgeInsets.symmetric(vertical: 12),
                            ),
                            onPressed: () => Navigator.of(context).pop(),
                            child: const Text("Cancel"),
                          ),
                        ),
                      ],
                    ),
                  ],
                ),
              ),
              Positioned(
                top: -40,
                child: Container(
                  decoration: BoxDecoration(
                    shape: BoxShape.circle,
                    color: AppColors.surface,
                    boxShadow: [
                      BoxShadow(
                        color: AppColors.shadowColor,
                        blurRadius: 8,
                        offset: const Offset(0, 4),
                      ),
                    ],
                  ),
                  child: CircleAvatar(
                    backgroundColor: AppColors.surface,
                    radius: 40,
                    child: Padding(
                      padding: const EdgeInsets.all(12.0),
                      child: SvgPicture.asset(
                        Assets.icons.solarLogout3BoldDuotone.path,
                      ),
                    ),
                  ),
                ),
              ),
            ],
          ),
        ),
      ),
    );
  }
}