using System;
using System.Collections.Generic;
using System.Linq;
using System.Threading.Tasks;
using OpenCvSharp;
using Squirrowse.Core.Models;
using Squirrowse.Core.Services;

namespace Squirrowse.Service.Hubs
{
    public class StreamManager : IStreamManager
    {
        private readonly List<User> _users = new List<User>(); //temporary
        public bool StreamOn { get; set; }
        public Task AddUser(string connectionId, string userName, ConnectionType type)
        {
            _users.Add(new User(connectionId, userName, type));
            return Task.CompletedTask;
        }

        public Task RemoveUserbyConnectionId(string connectionId)
        {
            _users.Remove(_users.First(user => user.ConnectionId == connectionId));
            return Task.CompletedTask;
        }

        public Task RemoveUserByUserName(string userName)
        {
            _users.RemoveAll(user => user.AgentName == userName);
            return Task.CompletedTask;
        }

        public IEnumerable<User> getServerSideUsers()
        {
            return _users.Where(user => user.UserType == ConnectionType.Server);
        }


        public IEnumerable<User> getClientSideUsers()
        {
            return _users.Where(user => user.UserType == ConnectionType.Client);
        }

        public bool CheckUser(string userName)
        {
            return _users.Any(user => user.AgentName == userName);
        }

        public IEnumerable<User> getAllUsers()
        {
           // var t = _users;
            return _users;
        }

        public async Task SaveData(IAsyncEnumerable<byte[]> stream)
        {
           VideoWriter output = new VideoWriter("m.avi",FourCC.DIVX,30,new Size(640,480));
       
           await foreach (var b in stream)
           {
               output.Write(b.ConvertByteToMat());
           }
        }
    }
}