[ServiceContract]
    public interface IPublic
    {

        #region GET

        /// <summary>
        /// test
        /// <para>appKey</para>
        /// </summary>
        /// <returns></returns>
        [OperationContract]
        [WebInvoke(Method = "GET", BodyStyle=WebMessageBodyStyle.Wrapped, UriTemplate = "GetOperators?appKey={apk}",
            RequestFormat = WebMessageFormat.Json, ResponseFormat = WebMessageFormat.Json)]
        ResultList GetOperators(string apk);



        /// <summary>
        /// Get a list of all the stop names for a specific operator
        /// </summary>
        /// <param name=appKey>api access key</param>
        /// <param name=op>operator name</param>
        /// <returns>ResultList object</returns>
        [OperationContract]
        [WebInvoke(Method = "GET", BodyStyle = WebMessageBodyStyle.Wrapped, UriTemplate = "GetStopNames?appKey={apk}&op={op}"
            ,RequestFormat = WebMessageFormat.Json, ResponseFormat = WebMessageFormat.Json)]
        ResultList GetStopNames(string apk,string op);





        /// <summary>
        /// Get the best route to take from one location to another,
        /// using a specific operator.
        /// </summary>
        /// <param name=appKey>api access key</param>
        /// <param name=op>operator name</param>
        /// <returns>ScheduleResult object</returns>
        [OperationContract]
        [WebInvoke(Method = "GET", BodyStyle = WebMessageBodyStyle.Wrapped, UriTemplate = "GetSchedule?appKey={apk}&op={op}&loc={loc}&dest={dest}&date={date}&time={time}",
              RequestFormat = WebMessageFormat.Json, ResponseFormat = WebMessageFormat.Json)]
        ScheduleResult GetSchedule(string apk, string op, string loc, string dest, string date, string time);


        #endregion

        #region POST


        [OperationContract]
        [WebInvoke(Method = "POST", UriTemplate = "OperatorFeedback",
        RequestFormat = WebMessageFormat.Json, ResponseFormat = WebMessageFormat.Json)]
        ResultList OperatorFeedback();


        #endregion
    }

    /// <summary>
    /// Most basic DataContract, contains an array of strings and a status message
    /// </summary>
    [DataContract]
    public class ResultList
    {

        [DataMember]
        public string Status = "No Data";

        [DataMember]
        public string Error = "";

        [DataMember]
        public string [] Results { get; set; }

        public ResultList(string [] result, string status, string error)
        {
            Results = result;
            Status = status;
            Error = error;
        }
    }

    /// <summary>
    /// Represent the result of a routing query
    /// </summary>
    [DataContract]
    public class ScheduleResult
    {
        /// <summary>
        /// Status of the result.
        /// Can be "SUCCESS", "ERROR" or "EMPTY"
        /// </summary>
        [DataMember]
        public string Status = "No Data";

        /// <summary>
        /// Any extra details regarding errors go here
        /// </summary>
        [DataMember]
        public string Error = "";

        /// <summary>
        /// Total cost to travel this route.
        /// </summary>
        [DataMember]
        public string Cost;

        /// <summary>
        /// Time from now until the first route starts.
        /// </summary>
        [DataMember]
        public string StartingTime;

        /// <summary>
        /// Array of SchedItems, containing the actual route information.
        /// </summary>
        [DataMember]
        public SchedItem[] Path;

    }

    /// <summary>
    /// A single segment of a route
    /// </summary>
    [DataContract]
    public class SchedItem
    {
        [DataMember]
        public SchedStop Stop;
        [DataMember]
        public string Time;
        [DataMember]
        public string Direction;
        [DataMember]
        public string Operator;
        [DataMember]
        public string Type;
        [DataMember]
        public string RouteName;
        [DataMember]
        public string RouteColor;
        [DataMember]
        public string Vehicle;

    }
    /// <summary>
    /// Information regarding a stop
    /// </summary>
    [DataContract]
    public class SchedStop
    {
        [DataMember]
        public string Name;
        [DataMember]
        public SchedLocation Location;
    }

    /// <summary>
    /// A location with latitude and longitude
    /// </summary>
    [DataContract]
    public class SchedLocation
    {
        [DataMember]
        public float latitude;
        [DataMember]
        public float longitude;
    }

    /// <summary>
    /// A list of stops with names and locations.
    /// </summary>
    [DataContract]
    public class SchedStopList
    {
        [DataMember]
        public string Status = "No Data";

        [DataMember]
        public string Error = "";

        [DataMember]
        public SchedStop[] Stops;

         public SchedStopList(int length, string status, string err)
        {
            Stops = new SchedStop[length];
            Status = status;
            Error = err;
        }
    }