import 'package:flutter/material.dart';
import 'package:simplecloudnotifier/models/keytoken.dart';

class EditKeyTokenPermissionsDialog extends StatefulWidget {
  final KeyTokenPreview keytoken;

  final void Function(String) onUpdatePermissions;

  const EditKeyTokenPermissionsDialog({
    required this.keytoken,
    required this.onUpdatePermissions,
    Key? key,
  }) : super(key: key);

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

class _EditKeyTokenPermissionsDialogState extends State<EditKeyTokenPermissionsDialog> {
  Set<String> selectedPermissions = new Set<String>();

  @override
  void initState() {
    super.initState();

    for (var p in widget.keytoken.permissions.split(';')) {
      if (p.isNotEmpty) selectedPermissions.add(p);
    }
  }

  @override
  Widget build(BuildContext context) {
    return AlertDialog(
      title: const Text('Permissions'),
      content: Container(
        width: 0,
        height: 400,
        child: ListView.builder(
          shrinkWrap: true,
          itemBuilder: (builder, index) {
            final txt = (['Admin', 'Read messages', 'Send messages', 'Read userdata'])[index];
            final prm = (['A', 'CR', 'CS', 'UR'])[index];

            return ListTile(
              contentPadding: EdgeInsets.fromLTRB(8, 0, 8, 0),
              visualDensity: VisualDensity(horizontal: 0, vertical: -4),
              title: Text(txt),
              leading: Icon(
                selectedPermissions.contains(prm) ? Icons.check_box : Icons.check_box_outline_blank,
                color: Theme.of(context).primaryColor,
              ),
              onTap: () {
                setState(() {
                  if (selectedPermissions.contains(prm)) {
                    selectedPermissions.remove(prm);
                  } else {
                    selectedPermissions.add(prm);
                  }
                });
              },
            );
          },
          itemCount: 4,
        ),
      ),
      actions: <Widget>[
        TextButton(
          onPressed: () => Navigator.of(context).pop(),
          child: Text('Cancel'),
        ),
        TextButton(
          style: TextButton.styleFrom(textStyle: Theme.of(context).textTheme.labelLarge),
          child: const Text('Update'),
          onPressed: () {
            widget.onUpdatePermissions(selectedPermissions.join(';'));
            Navigator.of(context).pop();
          },
        ),
      ],
    );
  }
}