using Newtonsoft.Json;

namespace AutoClient.Modes.FolderStore
{
    public class JsonFile<T> where T : new()
    {
        private readonly App app;
        private readonly string filePath;

        public JsonFile(App app, string filePath)
        {
            this.app = app;
            this.filePath = filePath;
        }

        public T Load()
        {
            try
            {
                if (!File.Exists(filePath))
                {
                    var state = new T();
                    Save(state);
                    return state;
                }
                var text = File.ReadAllText(filePath);
                return JsonConvert.DeserializeObject<T>(text)!;
            }
            catch (Exception exc)
            {
                app.Log.Error("Failed to load state: " + exc);
                throw;
            }
        }

        public void Save(T state)
        {
            try
            {
                var json = JsonConvert.SerializeObject(state, Formatting.Indented);
                File.WriteAllText(filePath, json);
            }
            catch (Exception exc)
            {
                app.Log.Error("Failed to save state: " + exc);
                throw;
            }
        }
    }
}