/* 
 *                                dbMango
 *
 * Copyright 2025 Deutsche Bank AG
 * SPDX-License-Identifier: Apache-2.0
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *     http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */
namespace Rms.Risk.Mango.Language.Ast;

public class AstFunctionArgument : AstExpression
{
    public AstFunctionArgument()
    {
    }

    public AstFunctionArgument(string? name, AstExpression value)
    {
        Name = name!;
        Add(value);
    }

    public string Name { get; internal set{ field = PreprocessFieldName(value); } } = "";
    public AstExpression Value => Children.OfType<AstExpression>().First();

    public override void Append(StringBuilder sb, int indent)
    {
        if (!string.IsNullOrEmpty(Name))
            sb.Append($"{Name}: ");
        Value.Append(sb, indent);
    }

    public override JsonNode? AsJson()
        => string.IsNullOrWhiteSpace(Name)
            ? Value.AsJson()
            : new JsonObject([new KeyValuePair<string, JsonNode?>(Name, Value.AsJson())]);
}
