using System;
using System.Threading.Tasks;
using TINK.Model.Bike;
using TINK.Model.Services.CopriApi;
using TINK.Repository;

namespace TINK.Model.Connector
{
    /// <summary> Provides query functionality for a logged in user. </summary>
    public class QueryLoggedIn : BaseLoggedIn, IQuery
    {
        /// <summary> Cached copri server. </summary>
        private readonly ICopriServer server;

        /// <summary>Constructs a copri query object.</summary>
        /// <param name="p_oCopriServer">Server which implements communication.</param>
        public QueryLoggedIn(ICopriServerBase p_oCopriServer,
            string p_strSessionCookie,
            string p_strMail,
            Func<DateTime> p_oDateTimeProvider) : base(p_oCopriServer, p_strSessionCookie, p_strMail, p_oDateTimeProvider)
        {
            server = p_oCopriServer as ICopriServer;
            if (server == null)
            {
                throw new ArgumentException($"Copri server is not of expected typ. Type detected is {p_oCopriServer.GetType()}.");
            }

            server = p_oCopriServer as ICopriServer;
        }

        /// <summary> Gets all stations including postions.</summary>
        public async Task<Result<StationsAndBikesContainer>> GetBikesAndStationsAsync()
        {
            var stationResponse = await server.GetStationsAsync();
            var bikesAvailableResponse = await server.GetBikesAvailableAsync();
            var bikesOccupiedResponse = await server.GetBikesOccupiedAsync();

            return new Result<StationsAndBikesContainer>(
                typeof(CopriCallsMonkeyStore),
                new StationsAndBikesContainer(
                    stationResponse.GetStationsAllMutable(),
                    UpdaterJSON.GetBikesAll(bikesAvailableResponse, bikesOccupiedResponse, Mail, DateTimeProvider)));
        }

        /// <summary> Gets bikes occupied. </summary>
        /// <returns>Collection of bikes.</returns>
        public async Task<Result<BikeCollection>> GetBikesOccupiedAsync()
        {
            return new Result<BikeCollection>(
            typeof(CopriCallsMonkeyStore),
            (await server.GetBikesOccupiedAsync()).GetBikesOccupied(Mail, DateTimeProvider));
        }
        /// <summary> Gets bikes available and bikes occupied. </summary>
        /// <returns>Collection of bikes.</returns>
        public async Task<Result<BikeCollection>> GetBikesAsync()
        {
            var l_oBikesAvailableResponse = await server.GetBikesAvailableAsync();
            var l_oBikesOccupiedResponse = await server.GetBikesOccupiedAsync();
            
            return new Result<BikeCollection>(
                typeof(CopriCallsMonkeyStore), 
                UpdaterJSON.GetBikesAll(l_oBikesAvailableResponse, l_oBikesOccupiedResponse, Mail, DateTimeProvider));
        }
    }
}