using System.Text.Json;
using SzCore.DataObjects;

namespace SzCore;

public class SzParser
{

    private readonly JsonSerializerOptions _jsonOptions = new() { WriteIndented = true };

    public string SerializeDatasetToJson(SzDataset dataset)
    {
        try
        {
            var jsonString = JsonSerializer.Serialize(dataset, _jsonOptions);
            return jsonString;
        }
        catch (JsonException e)
        {
            throw new Exception("Dataset Serialization Error: " + e.Message);
        }
    }

    public SzDataset? DeserializeDataset(string jsonString)
    {
        try
        {
            var result = JsonSerializer.Deserialize<SzDataset>(jsonString, _jsonOptions);
            return result;
        }
        catch (Exception e)
        {
            SZ.Logger.LogError("Could not deserialize JSON to type SzDataset: " + e.Message);
            return null;
        }
    }

    public string SerializeTemplateToJson(ISzTemplate template)
    {
        try 
        {
            var templateType = template.GetType();
            var jsonString = JsonSerializer.Serialize(template, templateType, _jsonOptions);
            return jsonString;
        }
        catch (Exception e)
        {
            throw new Exception("Template Serialization Error: " + e.Message);
        }
    }

    public T? DeserializeTemplate<T>(string jsonString)
    {
        try 
        {
            var result = JsonSerializer.Deserialize<T>(jsonString, _jsonOptions);
            return result;
        }
        catch (Exception e)
        {
            SZ.Logger.LogError($"Could not deserialize JSON to type {typeof(T)}: " + e.Message);
            return default;
        }
    }
}