/* 
 *                                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 AstExpressionProjection : AstExpression
{
    public AstExpressionProjection() {}
    public AstExpressionProjection(string fieldName, JsonNode json )
    {
        Name = fieldName;
        Projection = json;
    }

    public string Name { get; internal set{ field = PreprocessFieldName(value); }} = "";
    public JsonNode Projection { get; internal set;} = JsonValue.Create("<not initialized>");

    public override void Append(StringBuilder sb, int indent)
    {
        sb.Append($"{Name} IS {Projection.ToJsonString()}");
    }

    public override JsonNode? AsJson() => new JsonObject([new(Name, Projection)]);
}