using System;
using System.ComponentModel.DataAnnotations;

namespace Dfs.WayneChina.PosModelMini
{
    public class SiteDevice
    {
        /// <summary>
        /// Unique id of the site device.
        /// </summary>
        public Guid Id { get; set; }

        /// <summary>
        /// Site device type.
        /// </summary>
        public SiteDeviceType DeviceType { get; set; }

        /// <summary>
        /// Description of the site device.
        /// </summary>
        public string Description { get; set; }

        /// <summary>
        /// Brand of the site device, such as Sunmi.
        /// </summary>
        [MaxLength(100)]
        public string Brand { get; set; }

        /// <summary>
        /// like Summi T1 or Summi V1.
        /// </summary>
        [MaxLength(100)]
        public string Model { get; set; }

        /// <summary>
        /// An id string which correlated with Device hardware， should be global unique, and could not be changed.
        /// server may use this to authenticate a device.
        /// </summary>
        public string HardwareIdentity { get; set; }

        /// <summary>
        /// Use this field as the argument of only POS device, 
        /// and will be passed in to talk with FDC server,
        /// so this value must be unique in one site(one fusion per site).
        /// </summary>
        public string PosDeviceFdcClientId { get; set; }

        /// <summary>
        /// Associate this site device to a business unit id.
        /// </summary>
        public virtual Guid AsSubjectOfBusinessUnitId { get; set; }

        /// <summary>
        /// A device acts as a subject of a business unit, all other user priviledge control are all
        /// based on the device it operates.
        /// think about a case, a pos machine belong to a site(businessUnit with type site), and then we can set an 
        /// user with restricted in this site, then the user restriction is actually checked with the user's log in
        /// operation in this pos machine.
        /// </summary>
        public virtual BusinessUnit AsSubjectOfBusinessUnit { get; set; }
    }
}