// Copyright (C) 2023 WYATT GROUP
// Please see the AUTHORS file for details.
//
// This program is free software: you can redistribute it and/or modify
// it under the terms of the GNU General Public License as published by
// the Free Software Foundation, either version 3 of the License, or
// any later version.
//
// This program is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
// GNU General Public License for more details.
//
// You should have received a copy of the GNU General Public License
// along with this program. If not, see <https://www.gnu.org/licenses/>.

import 'package:brick_generator/logger.dart';
import 'package:brick_generator/models/variable_type.dart';
import 'package:brick_generator/string_extension.dart';
import 'package:yaml/yaml.dart';

const _typeKey = 'type';
const _nameKey = 'name';
const _descriptionKey = 'description';
const _defaultKey = 'default';
const _promptKey = 'prompt';

class BrickVariable {
  VariableType? type;
  String? name;
  String? description;
  String? defaultValue;
  String? prompt;
  Map<String, String>? syntax;

  BrickVariable({
    required this.type,
    required this.name,
    required this.description,
    required this.defaultValue,
    required this.prompt,
    required this.syntax,
  });

  BrickVariable._();

  factory BrickVariable.parser() => BrickVariable._();

  static BrickVariable? from(YamlMap? data) => data != null
      ? BrickVariable(
          type: VariableType.fromString(data[_typeKey] as String?),
          name: data[_nameKey] as String?,
          description: data[_descriptionKey] as String?,
          defaultValue: data[_defaultKey] as String?,
          prompt: data[_promptKey] as String?,
          syntax: (data[_nameKey] as String? ?? '').syntaxes,
        )
      : null;

  void checkFormat() {
    if (name == null || description == null || type == null) {
      final err = 'Yaml file is not conform';
      Logger.throwError(ArgumentError(err), err);
    }
  }
}