using System;

using System.Collections.Generic;

using System.Linq;

using System.Threading.Tasks;

public class Program

{

    public static void Main()

    {

        var permissionTypes = new List<UserPermissionType>()

        {

            new UserPermissionType()

            {

                PermissionTypeId = 1,

                PermissionName = "Administrator",

                PermissionTypes = PermissionTypes.General,

                AllowedPermissionLevels = new List<PermissionLevels>()

                {

                    PermissionLevels.None,

                    PermissionLevels.View,

                    PermissionLevels.Edit,

                    PermissionLevels.Control,

                }

            },

            new UserPermissionType()

            {

                PermissionTypeId = 2,

                PermissionName = "Site Admin",

                PermissionTypes = PermissionTypes.Site,

                AllowedPermissionLevels = new List<PermissionLevels>()

                {

                    PermissionLevels.None,

                    PermissionLevels.View,

                }

            }

        };

        var siteProUserId = 1234;

        var permissions = new List<Permission>()

        {

            new Permission()

            {

                UserPermissionTypeId = 1,

                SiteProUserId = siteProUserId,

            },

        };

    }

    public class UserPermissionType

    {

        public int PermissionTypeId { get; set; }

        public string PermissionName { get; set; }

        public PermissionTypes PermissionTypes { get; set; }

        public List<PermissionLevels> AllowedPermissionLevels { get; set; }

    }

    public class Permission

    {

        public int PermissionId { get; set; }

        public int UserPermissionTypeId { get; set; }

        public int SiteProUserId { get; set; }

        public int? SiteId { get; set; }

        public int? EquipmentTypeId { get; set; }

        public int? EquipmentId { get; set; }

        public PermissionLevels PermissionLevel { get; set; }

        public virtual UserPermissionType UserPermissionType { get; set; }

    }

    [Flags]

    public enum PermissionLevels

    {

        None    = 0b0000,

        View    = 0b0001,

        Edit    = 0b0010,

        Control = 0b0100

    }

    [Flags]

    public enum PermissionTypes

    {

        General   = 0b0000,

        Site      = 0b0001,

        Equipment = 0b0010,

        Mobile    = 0b0100,

        Iq        = 0b1000

    }

}