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// Copyright 2025 Shota FUJI
//
// 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.
//
// SPDX-License-Identifier: Apache-2.0

namespace Roon {
	namespace Transport {
		namespace ChangeVolume {
			public class Request : Object {
				public string output_id { get; set construct; }
				public ChangeVolumeMode how { get; set; default = RELATIVE; }
				public double value { get; set; default = 0.0; }

				public Request(string output_id) {
					Object(output_id: output_id);
				}

				public string to_json() {
					var builder = new Json.Builder();

					builder.begin_object();

					builder.set_member_name("output_id");
					builder.add_string_value(output_id);

					builder.set_member_name("how");
					how.json_add(builder);

					builder.set_member_name("value");
					builder.add_double_value(value);

					builder.end_object();

					var generator = new Json.Generator();
					var root = builder.get_root();
					generator.set_root(root);

					return generator.to_data(null);
				}
			}
		}
	}
}