using Newtonsoft.Json;
using OF_DL.Entities;
using OF_DL.Helpers.Interfaces;
using Serilog;

namespace OF_DL.Services
{
    public class AuthService(IAuthHelper authHelper) : IAuthService
    {
        public Auth? CurrentAuth { get; set; }

        public async Task<bool> LoadFromFileAsync(string filePath = "auth.json")
        {
            try
            {
                if (!File.Exists(filePath))
                {
                    Log.Debug("Auth file not found: {FilePath}", filePath);
                    return false;
                }

                var json = await File.ReadAllTextAsync(filePath);
                CurrentAuth = JsonConvert.DeserializeObject<Auth>(json);
                Log.Debug("Auth file loaded and deserialized successfully");
                return CurrentAuth != null;
            }
            catch (Exception ex)
            {
                Log.Error(ex, "Failed to load auth from file");
                return false;
            }
        }

        public async Task<bool> LoadFromBrowserAsync()
        {
            try
            {
                bool runningInDocker = Environment.GetEnvironmentVariable("OFDL_DOCKER") != null;

                await authHelper.SetupBrowser(runningInDocker);
                CurrentAuth = await authHelper.GetAuthFromBrowser();

                return CurrentAuth != null;
            }
            catch (Exception ex)
            {
                Log.Error(ex, "Failed to load auth from browser");
                return false;
            }
        }

        public async Task SaveToFileAsync(string filePath = "auth.json")
        {
            if (CurrentAuth == null)
            {
                Log.Warning("Attempted to save null auth to file");
                return;
            }

            try
            {
                var json = JsonConvert.SerializeObject(CurrentAuth, Formatting.Indented);
                await File.WriteAllTextAsync(filePath, json);
                Log.Debug($"Auth saved to file: {filePath}");
            }
            catch (Exception ex)
            {
                Log.Error(ex, "Failed to save auth to file");
            }
        }
    }
}