using System;
using System.Collections.Generic;
using System.Threading.Tasks;
using Microsoft.AspNetCore.SignalR.Client;
using Microsoft.Extensions.Logging;
using Squirrowse.Core.Models;
using Squirrowse.Core.Services;

namespace Squirrowse.Client.Service
{
    public class ActionDispatcher : IActionDispatcher
    {
        private readonly ICameraService camera;
        private readonly IConnectionManager connectionManager;
        private readonly ILogger<ActionDispatcher> logger;
        private readonly HubConnection session;

        public ActionDispatcher(ILogger<ActionDispatcher> logger, IConnectionManager connectionManager,
            ICameraService camera)
        {
            this.connectionManager = connectionManager;
            this.logger = logger;
            this.camera = camera;
            session = connectionManager.GetConnection().Result;
            session.On("Start", StartStream);
            session.On("Stop", StopStream);
        }

        public Task StopStream()
        {
            throw new NotImplementedException();
        }

        public async Task SayHello()
        {
            await session.SendAsync("AddToGroup", Groups.debug);
        }

        public async Task SendStreamAsync(IAsyncEnumerable<byte[]> asb)
        {
            logger.LogInformation($"{nameof(SendStreamAsync)} Start stream");
            await session.SendAsync("UploadByteStream", asb);

            logger.LogInformation($"{nameof(SendStreamAsync)} End stream");
        }

        public async Task StartStream()
        {
            while (true)
            {
                await SendStreamAsync(camera.GetFramesAsyncEnumerator());

            }
            
        }
    }
}