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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

using GLib;
using Roon.JsonHelper;

namespace Roon {
	namespace Transport {
		public class NowPlaying : Object {
			public bool has_seek_position { get; set construct; }
			public uint64 seek_position { get; set construct; }
			public uint64 length { get; construct; }
			public string? image_key { get; construct; }
			public string one_line_1 { get; construct; }
			public string two_line_1 { get; construct; }
			public string? two_line_2 { get; construct; }
			public string three_line_1 { get; construct; }
			public string? three_line_2 { get; construct; }
			public string? three_line_3 { get; construct; }

			internal NowPlaying.from_json_node(Json.Node node, FieldPath? obj_path = null) throws Error {
				var obj = get_object(node, obj_path);

				bool has_seek_position = false;
				uint64 seek_position = 0;
				uint64 length = 0;
				string? image_key = null;
				string one_line_1;
				string two_line_1;
				string? two_line_2 = null;
				string three_line_1;
				string? three_line_2 = null;
				string? three_line_3 = null;

				var seek_position_path = new FieldPath("seek_position", obj_path);
				var seek_position_node = get_optional_member(obj, seek_position_path);
				if (seek_position_node != null) {
					seek_position = get_int(seek_position_node, seek_position_path);
					has_seek_position = true;
				}

				var length_path = new FieldPath("length", obj_path);
				var length_node = get_optional_member(obj, length_path);
				if (length_node != null) {
					length = get_int(length_node, length_path);
				}

				var image_key_path = new FieldPath("image_key", obj_path);
				var image_key_node = get_optional_member(obj, image_key_path);
				if (image_key_node != null) {
					image_key = get_string(image_key_node, image_key_path);
				}

				var one_line_path = new FieldPath("one_line", obj_path);
				var one_line = get_object(get_member(obj, one_line_path), one_line_path);

				var one_line_1_path = new FieldPath("line1", one_line_path);
				one_line_1 = get_string(get_member(one_line, one_line_1_path), one_line_1_path);

				var two_line_path = new FieldPath("two_line", obj_path);
				var two_line = get_object(get_member(obj, two_line_path), two_line_path);

				var two_line_1_path = new FieldPath("line1", two_line_path);
				two_line_1 = get_string(get_member(two_line, two_line_1_path), two_line_1_path);

				var two_line_2_path = new FieldPath("line2", two_line_path);
				var two_line_2_node = get_member(two_line, two_line_2_path);
				if (two_line_2_node != null) {
					two_line_2 = get_string(two_line_2_node, two_line_2_path);
				}

				var three_line_path = new FieldPath("three_line", obj_path);
				var three_line = get_object(get_member(obj, three_line_path), three_line_path);

				var three_line_1_path = new FieldPath("line1", three_line_path);
				three_line_1 = get_string(get_member(three_line, three_line_1_path), three_line_1_path);

				var three_line_2_path = new FieldPath("line2", three_line_path);
				var three_line_2_node = get_member(three_line, three_line_2_path);
				if (three_line_2_node != null) {
					three_line_2 = get_string(three_line_2_node, three_line_2_path);
				}

				var three_line_3_path = new FieldPath("line3", three_line_path);
				var three_line_3_node = get_member(three_line, three_line_3_path);
				if (three_line_3_node != null) {
					three_line_3 = get_string(three_line_3_node, three_line_3_path);
				}

				Object(
					has_seek_position: has_seek_position,
					seek_position: seek_position,
					length: length,
					image_key: image_key,
					one_line_1: one_line_1,
					two_line_1: two_line_1,
					two_line_2: two_line_2,
					three_line_1: three_line_1,
					three_line_2: three_line_2,
					three_line_3: three_line_3
				);
			}

			construct {
				this.notify["seek-position"].connect(() => {
					has_seek_position = true;
				});
			}
		}
	}
}