using Newtonsoft.Json;
using Newtonsoft.Json.Linq;
using System.Reflection;
using System.Threading.Tasks;

namespace DigitalSystem.WebPortales
{
    class SpellClase
    {
        private static SpellClase _instance = null;
        private static readonly object lockObj = new object();
        public static SpellClase instance
        {
            get {
                if (_instance == null)
                {
                    lock (lockObj)
                    {
                        if (_instance == null)
                            _instance = new SpellClase();
                    }
                }
                return _instance;
            }
        }
        private SpellClase() { 
        
        }
        public async Task<string> Correcciones1(string palabra)
        {
            var httpC = new HttpClient();
            var _post = await httpC.GetAsync($"https://api.languagetool.org/v2/check?language=es&text={palabra}");
            var jsonResponse = await _post.Content.ReadAsStringAsync();
            var resultado = JObject.Parse(jsonResponse);
            var matches = resultado["matches"] as JArray;
            var resultados = new List<string>();
            
            foreach (var match in matches)
            {
                var replacements = match["replacements"] as JArray;
                if (replacements != null && replacements.Count > 0)
                {
                    foreach (var r in replacements)
                    {
                        if (r["value"].ToString().StartsWith(palabra.Substring(0, palabra.IndexOf((char)65533)))) {
                            resultados.Add(r["value"].ToString());
                        }
                    }
                }
            }

            return resultados.Count > 0 ? resultados[0]:palabra;
        }
    }
}