using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Threading.Tasks;

namespace gehGassiApp.Core.Interfaces
{
    /// <summary>
    /// Schnittstellenbeschreibung für einen Service der Daten vom AppHub des Servers empfangen kann
    /// </summary>
    public interface IAppHubService
    {
        /// <summary>
        /// Setzen der Basis-Adresse des Servers
        /// </summary>
        /// <param name="baseAddress">Basis-Adresse</param>
        Task SetBaseAddressAsync(string baseAddress);

        /// <summary>
        /// Verbindung herstellen
        /// </summary>
        /// <returns>Task</returns>
        Task ConnectAsync(string accessToken);

        /// <summary>
        /// Verbindung trennen
        /// </summary>
        /// <returns>Task</returns>
        Task DisconnectAsync();

        /// <summary>
        /// Gibt zurück ob eine SignalR Verbindung besteht
        /// </summary>
        /// <returns>true wenn ja oder reconnecting, false sonst</returns>
        bool IsConnected();

        /// <summary>
        /// Buchen der Events eines App-Users
        /// </summary>
        /// <param name="appUserId">Id des AppUsers</param>
        /// <returns>Task</returns>
        Task JoinAppUserAsync(string appUserId);

        /// <summary>
        /// Abbestellen der Events eines App-Users
        /// </summary>
        /// <param name="appUserId">Id des AppUsers</param>
        /// <returns>Task</returns>
        Task LeaveAppUserAsync(string appUserId);

        /// <summary>
        /// Buchen der Events einer Konversation
        /// </summary>
        /// <param name="conversationId">Id der Konversation</param>
        /// <param name="appUserId">Id des AppUsers</param>
        /// <returns>Task</returns>
        Task JoinConversationAsync(string conversationId, string appUserId);

        /// <summary>
        /// Abbestellen der Events einer Konversation
        /// </summary>
        /// <param name="conversationId">Id der Konversation</param>
        /// <param name="appUserId">Id des AppUsers</param>
        /// <returns>Task</returns>
        Task LeaveConversationAsync(string conversationId, string appUserId);
    }
}