import 'package:flutter/material.dart';
import 'package:kmobile/features/auth/screens/tnc_required_screen.dart';

class TncDialog extends StatefulWidget {
  // Add a callback function for when the user proceeds
  final Future<void> Function() onProceed;

  const TncDialog({Key? key, required this.onProceed}) : super(key: key);

  @override
  _TncDialogState createState() => _TncDialogState();
}

class _TncDialogState extends State<TncDialog> {
  bool _isAgreed = false;
  bool _isLoading = false;

  void _handleProceed() async {
    if (_isLoading) return;

    setState(() {
      _isLoading = true;
    });

    // Call the provided onProceed function, which will trigger the cubit
    await widget.onProceed();

    // The dialog will be dismissed by the navigation that happens in the BlocListener
    // so we don't need to pop here. If for some reason it's still visible,
    // we can add a mounted check and pop.
    if (mounted) {
       setState(() {
        _isLoading = false;
      });
    }
  }

  @override
  Widget build(BuildContext context) {
    return AlertDialog(
      title: const Text('Terms and Conditions'),
      content: SingleChildScrollView(
        child: _isLoading
            ? const Center(
                child: Padding(
                  padding: EdgeInsets.all(16.0),
                  child: CircularProgressIndicator(),
                ),
              )
            : Column(
                mainAxisSize: MainAxisSize.min,
                crossAxisAlignment: CrossAxisAlignment.start,
                children: [
                  const Text(
                      'Please read and accept our terms and conditions to continue. '
                      'This is a placeholder for the actual terms and conditions text.'),
                  const SizedBox(height: 16),
                  Row(
                    children: [
                      Checkbox(
                        value: _isAgreed,
                        onChanged: (bool? value) {
                          setState(() {
                            _isAgreed = value ?? false;
                          });
                        },
                      ),
                      const Flexible(
                          child: Text('I agree to the Terms and Conditions')),
                    ],
                  ),
                ],
              ),
      ),
      actions: [
        TextButton(
          // Disable button while loading
          onPressed: _isLoading
              ? null
              : () {
                  ScaffoldMessenger.of(context).showSnackBar(
                    const SnackBar(
                      content: Text(
                          'You must agree to the terms and conditions to proceed.'),
                      behavior: SnackBarBehavior.floating,
                    ),
                  );
                },
          child: const Text('Disagree'),
        ),
        ElevatedButton(
          // Disable button if not agreed or while loading
          onPressed: _isAgreed && !_isLoading ? _handleProceed : null,
          child: const Text('Proceed'),
        ),
      ],
    );
  }
}