using NetDocsForLLM.Models;
using Newtonsoft.Json;
using System;
using System.IO;

namespace NetDocsForLLM.Helpers
{
    public static class JsonHelper
    {
        public static string SerializeToJson(DocumentationModel documentation, bool indented = true)
        {
            try
            {
                var settings = new JsonSerializerSettings
                {
                    ReferenceLoopHandling = ReferenceLoopHandling.Ignore,
                    NullValueHandling = NullValueHandling.Ignore
                };

                return JsonConvert.SerializeObject(documentation, 
                    indented ? Formatting.Indented : Formatting.None, 
                    settings);
            }
            catch (Exception ex)
            {
                throw new InvalidOperationException($"Error al serializar a JSON: {ex.Message}", ex);
            }
        }

        public static void SaveToJsonFile(DocumentationModel documentation, string filePath)
        {
            try
            {
                var json = SerializeToJson(documentation);
                File.WriteAllText(filePath, json);
            }
            catch (Exception ex)
            {
                throw new InvalidOperationException($"Error al guardar archivo JSON: {ex.Message}", ex);
            }
        }

        public static DocumentationModel DeserializeFromJson(string json)
        {
            try
            {
                return JsonConvert.DeserializeObject<DocumentationModel>(json, 
                    new JsonSerializerSettings
                    {
                        ReferenceLoopHandling = ReferenceLoopHandling.Ignore
                    });
            }
            catch (Exception ex)
            {
                throw new InvalidOperationException($"Error al deserializar desde JSON: {ex.Message}", ex);
            }
        }
    }
}