// ***********************************************************************
// Assembly         : FCS.Virk
// Author           : FH
// Created          : 02-21-2022
//
// Last Modified By : FH
// Last Modified On : 02-24-2022
// ***********************************************************************
// <copyright file="VrResponseParser.cs" company="FCS">
//    Copyright (C) 2022 FCS Frede's Computer Services.
//    This program is free software: you can redistribute it and/or modify
//    it under the terms of the GNU Affero General Public License as
//    published by the Free Software Foundation, either version 3 of the
//    License, or (at your option) any later version.
//
//    This program is distributed in the hope that it will be useful,
//    but WITHOUT ANY WARRANTY; without even the implied warranty of
//    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
//    GNU Affero General Public License for more details.
//
//    You should have received a copy of the GNU Affero General Public License
//    along with this program.  If not, see [https://www.gnu.org/licenses]
// </copyright>
// <summary></summary>
// ***********************************************************************

using FCS.Lib.Virk.VrModels;
using Newtonsoft.Json;
using Newtonsoft.Json.Linq;

namespace FCS.Lib.Virk
{
    /// <summary>
    /// Class VrResponseParser.
    /// </summary>
    public class VrResponseParser
    {
        /// <summary>
        /// Parses the vr response.
        /// </summary>
        /// <param name="jsonData">The json data.</param>
        /// <returns>List&lt;System.Nullable&lt;VrVirksomhed&gt;&gt;.</returns>
        public List<VrVirksomhed?> ParseVrResponse(string jsonData)
        {
            var result = new List<VrVirksomhed?>();
            
            var cvrObject = JObject.Parse(jsonData);
            
            var numHits = (int) cvrObject.SelectToken("hits")?.SelectToken("total")!;
            
            if (numHits == 0)
                return result;
            
            var cvrHits = cvrObject.SelectToken("hits")?.SelectToken("hits");
            
            for (var i = 0; i < numHits; i++)
            {
                var cObject = cvrHits?[i]?["_source"] != null ? (JObject?)cvrHits[i]?["_source"]?["Vrvirksomhed"] : null;
                
                var jsonString = JsonConvert.SerializeObject(cObject);
                
                var o = JsonConvert.DeserializeObject<VrVirksomhed>(jsonString);

                result.Add(o);
            }

            return result;
        }
    }
}