using HermesSocketServer.Models;
using HermesSocketServer.Store;
using ILogger = Serilog.ILogger;

namespace HermesSocketServer.Requests
{
    public class CreateTTSVoice : IRequest
    {
        public string Name => "create_tts_voice";
        public string[] RequiredKeys => ["voice"];
        private IStore<string, Voice> _voices;
        private ILogger _logger;
        private Random _random;

        public CreateTTSVoice(VoiceStore voices, ILogger logger)
        {
            _voices = voices;
            _logger = logger;
            _random = new Random();
        }

        public Task<RequestResult> Grant(Channel channel, IDictionary<string, object> data)
        {
            string voice = data["voice"].ToString()!;
            string id = RandomString(25);

            var result = _voices.Set(id, new Voice()
            {
                Id = id,
                Name = voice
            });

            if (result) {
                _logger.Information($"Added a new voice [voice: {voice}][voice id: {id}]");
                return Task.FromResult(RequestResult.Successful(id));
            }
            return Task.FromResult(RequestResult.Failed("Something went wrong when updating the cache."));
        }

        private string RandomString(int length)
        {
            const string chars = "abcdefghijklmnopqrstuvwxyz0123456789";
            return new string(Enumerable.Repeat(chars, length)
                .Select(s => s[_random.Next(s.Length)]).ToArray());
        }
    }
}