using System.IO;
using System.Threading.Tasks;
using ErsatzTV.Core;
using ErsatzTV.Core.Interfaces.Jellyfin;
using ErsatzTV.Core.Jellyfin;
using LanguageExt;
using Newtonsoft.Json;
using static LanguageExt.Prelude;

namespace ErsatzTV.Infrastructure.Jellyfin
{
    public class JellyfinSecretStore : IJellyfinSecretStore
    {
        public Task<Unit> DeleteAll() => SaveSecrets(new JellyfinSecrets());

        public Task<JellyfinSecrets> ReadSecrets() =>
            File.ReadAllTextAsync(FileSystemLayout.JellyfinSecretsPath)
                .Map(JsonConvert.DeserializeObject<JellyfinSecrets>)
                .Map(s => Optional(s).IfNone(new JellyfinSecrets()));

        public Task<Unit> SaveSecrets(JellyfinSecrets jellyfinSecrets) =>
            Some(JsonConvert.SerializeObject(jellyfinSecrets)).Match(
                s => File.WriteAllTextAsync(FileSystemLayout.JellyfinSecretsPath, s).ToUnit(),
                Task.FromResult(Unit.Default));
    }
}