using System;
using System.Collections.Generic;

namespace AsbCloudWebApi
{
    public static class CommonMasks
    {
        public const int Get = 1;
        public const int Edit = 1 << 1;
        public const int Delete = 1 << 15;
        public const int Any = -1;
        public const int Bit_00 = 1;
        public const int Bit_01 = 1 << 1;
        public const int Bit_02 = 1 << 2;
        public const int Bit_03 = 1 << 3;
        public const int Bit_04 = 1 << 4;
        public const int Bit_05 = 1 << 5;
        public const int Bit_06 = 1 << 6;
        public const int Bit_07 = 1 << 7;
        public const int Bit_08 = 1 << 8;
        public const int Bit_09 = 1 << 9;
        public const int Bit_10 = 1 << 10;
        public const int Bit_11 = 1 << 11;
        public const int Bit_12 = 1 << 12;
        public const int Bit_13 = 1 << 13;
        public const int Bit_14 = 1 << 14;
        public const int Bit_15 = 1 << 15;
        public const int Bit_16 = 1 << 16;
        public const int Bit_17 = 1 << 17;
        public const int Bit_18 = 1 << 18;
        public const int Bit_19 = 1 << 19;
        public const int Bit_20 = 1 << 20;
        public const int Bit_21 = 1 << 21;
        public const int Bit_22 = 1 << 22;
        public const int Bit_23 = 1 << 23;
        public const int Bit_24 = 1 << 24;
        public const int Bit_25 = 1 << 25;
        public const int Bit_26 = 1 << 26;
        public const int Bit_27 = 1 << 27;
        public const int Bit_28 = 1 << 28;
        public const int Bit_29 = 1 << 29;
        public const int Bit_30 = 1 << 30;
        public const int Bit_31 = 1 << 31;
    }

    [AttributeUsage(AttributeTargets.Class | AttributeTargets.Method, AllowMultiple = false, Inherited = true)]
    public class PermissionAttribute : Attribute
    {
        public static SortedSet<string> Registered { get; } = new SortedSet<string>();

        public string Name { get; set; }
        public int Mask { get; set; }

        /// <summary>
        /// Проверка наличия у пользователя разрешения.
        /// </summary>
        /// <param name="name">Имя разрешения (default = controllerName)</param>
        /// <param name="mask">Маска проверки по "И" (default = Any(-1))</param>
        public PermissionAttribute(string name = default, int mask = -1)
        {
            Name = name;
            Mask = mask;
            Registered.Add(name);
        }
    }
}