/*
  * Copyright (c) 2025 LG Electronics Inc.
   * SPDX-License-Identifier: LicenseRef-LGE-Proprietary
   */
using Aurora.Api;
using Hermes;
using Newtonsoft.Json;
using Newtonsoft.Json.Linq;
using System;
using System.IO;

namespace VisionCommon {
    public class JsonManager {
        private static Logger _Logger = new Logger("JsonManager");

        public static JToken ParseFromFile(string path) {
            try {
                if (File.Exists(path))
                    return JToken.Parse(File.ReadAllText(path));
            }
            catch (Exception e) {
                _Logger.FuncE(e.Message);
            }

            return null;
        }

        public static T GetValue<T>(JToken jsonData, string key) {
            JToken token = null;

            try {
                token = jsonData.SelectToken(key);
            }
            catch (Exception e) {
                _Logger.FuncE(e.Message);
            }

            if (token == null) {
                return default(T);
            }

            return token.ToObject<T>();
        }

        public static T GetValue<T>(string path, string key) {
            if (!File.Exists(path)) {
                _Logger.FuncE("Path exists not.");
                return default(T);
            }

            JToken jsonData = null;
            JToken token = null;

            try {
                jsonData = ParseFromFile(path);
                token = jsonData?.SelectToken(key);
            }
            catch (Exception e) {
                _Logger.FuncE(e.Message);
            }

            if (token == null) {
                return default(T);
            }

            return token.ToObject<T>();
        }

        public static int SaveToFile(JToken token, string filePath) {
            try {
                using (var fs = File.Create(filePath))
                using (var sw = new StreamWriter(fs))
                using (var jtw = new JsonTextWriter(sw) {
                    Formatting = Formatting.Indented,
                    Indentation = 2,
                }) {
                    (new JsonSerializer()).Serialize(jtw, token);
                }
            }
            catch (Exception ex) {
                _Logger.E("Exception SaveToFile FileIO : {0}", ex.Message);
                return E1.GENERIC;
            }
            return E1.OK;
        }
    }
}