#region  --------------- Copyright Dresser Wayne Pignone -------------
/*
 * $Log: /Wrk/Support/ForecourtControl/Wrk/ForecourtControl/Com/IForecourtControl.cs $
 * 
 * 6     07-11-14 20:20 roger.månsson
 * Added SetupLogging method.
 * 
 * 5     07-03-09 15:32 roger.månsson
 * Added price poles.
 * 
 * 4     07-02-16 9:59 roger.månsson
 * FxCop changes
 * 
 * 3     07-01-05 15:14 roger.månsson
 * Added TankGroups property
 * 
 * 2     07-01-05 9:01 roger.månsson
 * Documentation changes
 */
#endregion

//using Wayne.Lib;
using System.Runtime.InteropServices;

namespace Wayne.ForecourtControl.Com
{
    /// <summary>
    /// The ForecourtControl object is the main root object to the Forecourtcontrol object hiearchy. It owns a list of pumps, and provides
    /// functionality to control the site.
    /// </summary>
    [ComVisible(true)]
    //[InterfaceType( ComInterfaceType.InterfaceIsDual)]
    public interface IForecourtControl
    {
        #region Properties

        /// <summary>
        /// ClientId in the communicationClientName in the communication to the Forecourt Controller.
        /// </summary>
        int ClientId { get;}

        /// <summary>
        /// ClientName in the communication to the Forecourt Controller.
        /// </summary>
        string ClientName { get;}

        /// <summary>
        /// Tells whether the site is open or closed.
        /// </summary>
        bool SiteOpened { get;}

        /// <summary>
        /// This property tells the operation mode of the site according to the pre-configured pump operation. Typically the configuration has been pre-defined with
        /// day, Night and rush hour operation modes, but this interface does not restrict which site mode that is used as day, night and rush-hour.
        /// </summary>
        int SiteMode { get;}

        /// <summary>
        /// The collection of pump objects.
        /// </summary>
        [System.Diagnostics.CodeAnalysis.SuppressMessage("Microsoft.Performance", "CA1819:PropertiesShouldNotReturnArrays")]
        IPump[] Pumps { get;}

        /// <summary>
        /// A list of the current fuel prices. The fuel prices can be modified when they are reserved through 
        /// a call to ReserveFuelPricesAsync. The changes are committed through calling the ActivateFuelPricesAsync.
        /// </summary>
        [System.Diagnostics.CodeAnalysis.SuppressMessage("Microsoft.Performance", "CA1819:PropertiesShouldNotReturnArrays")]
        IFuelPrice[] FuelPrices { get;}

        /// <summary>
        /// A list of the tank groups configured on the station.
        /// </summary>
        [System.Diagnostics.CodeAnalysis.SuppressMessage("Microsoft.Performance", "CA1819:PropertiesShouldNotReturnArrays")]
        ITankGroup[] TankGroups { get;}

        /// <summary>
        /// A list of the price poles configured at the station.
        /// </summary>
        [System.Diagnostics.CodeAnalysis.SuppressMessage("Microsoft.Performance", "CA1819:PropertiesShouldNotReturnArrays")]
        IPricePole[] PricePoles { get;}
        #endregion

        #region Methods

        #region SetSiteOpened
        /// <summary>
        /// Opens or closes the station. 
        /// </summary>
        /// <param name="opened">True if the station should be opened, and false if it should be closed.</param>
        /// <param name="userToken">A user supplied object that will be returned in the requestCompleted callback</param>
        void SetSiteOpenedAsync(bool opened, object userToken);

        #endregion

        #region SetSiteMode

        /// <summary>
        /// Sets the site mode. The pumps can be set in different modes for different site modes. This
        /// enables the option to have different day/night/rush modes of the station.
        /// </summary>
        /// <param name="siteMode">The new site mode.</param>
        /// <param name="userToken">A user supplied object that will be returned in the requestCompleted callback</param>
        void SetSiteModeAsync(int siteMode, object userToken);

        #endregion

        #region ReserveFuelPrices

        /// <summary>
        /// Reserves the fuel prices so they can be changed by this client.
        /// </summary>
        /// <param name="userToken">A user supplied object that will be returned in the requestCompleted callback</param>
        void ReserveFuelPricesAsync(object userToken);

        #endregion

        #region UnreserveFuelPrices

        /// <summary>
        /// Releases the fuel price reservation. If the fuel prices were no reserved, the function will still return success=true.
        /// Changes made to the fuel prices will be undone. 
        /// </summary>
        /// <param name="userToken">A user supplied object that will be returned in the requestCompleted callback</param>
        void UnreserveFuelPricesAsync(object userToken);

        #endregion

        #region ActivateFuelPrices

        /// <summary>
        /// Activates the fuel prices, and triggers a new Fuel period when the prices has been activated. 
        /// Note that it can take several minutes before all price signs and pumps have been updated. 
        /// The FuelPrice reservation is released, so UnreserveFuelPricesAsync must not be called afterwards.         
        /// </summary>
        /// <param name="userToken">A user supplied object that will be returned in the requestCompleted callback</param>
        void ActivateFuelPricesAsync(object userToken);

        #endregion

        #region SetupLoggin

        /// <summary>
        /// Sets up the logging for ALL Wayne libraries loaded in the process.
        /// </summary>
        /// <param name="logConfigFileName">File name and path for the log configuration file.</param>
        void SetupLogging(string logConfigFileName);

        #endregion 

        #endregion

        #region IConnectable - substitute

        /// <summary>
        /// Current connection state of the forecourt control.
        /// </summary>
        DeviceConnectionState ConnectionState { get; }

        /// <summary>
        /// Tries to connect the forecourt control using the specified connection string.
        /// </summary>
        /// <param name="connectionString"></param>
        void Connect(string connectionString);

        /// <summary>
        /// Disconnects the forecourt control.
        /// </summary>
        void Disconnect();
        #endregion
    }
}