import 'package:async_tools/async_tools.dart';
import 'package:awesome_extensions/awesome_extensions_flutter.dart';
import 'package:flutter/material.dart';

import '../views.dart';

const _kStyledCheckboxChanged = 'kStyledCheckboxChanged';

class StyledCheckbox extends StatelessWidget {
  const StyledCheckbox(
      {required bool value,
      required String label,
      String? decoratorLabel,
      Future<void> Function(bool)? onChanged,
      super.key})
      : _value = value,
        _onChanged = onChanged,
        _label = label,
        _decoratorLabel = decoratorLabel;

  @override
  Widget build(BuildContext context) {
    final theme = Theme.of(context);
    final textTheme = theme.textTheme;

    var textStyle = textTheme.labelLarge!;
    if (_onChanged == null) {
      textStyle = textStyle.copyWith(color: textStyle.color!.withAlpha(127));
    }

    Widget ctrl = Row(children: [
      Transform.scale(
          scale: 1.scaled(context),
          child: Checkbox(
              value: _value,
              onChanged: _onChanged == null
                  ? null
                  : (value) {
                      if (value == null) {
                        return;
                      }
                      singleFuture((this, _kStyledCheckboxChanged), () async {
                        await _onChanged(value);
                      });
                    })),
      Text(_label, style: textStyle).paddingAll(4.scaled(context)),
    ]);

    if (_decoratorLabel != null) {
      ctrl = ctrl
          .paddingLTRB(4.scaled(context), 4.scaled(context), 4.scaled(context),
              4.scaled(context))
          .decoratorLabel(context, _decoratorLabel);
    }

    return ctrl;
  }

  final String _label;
  final String? _decoratorLabel;
  final Future<void> Function(bool)? _onChanged;
  final bool _value;
}