using System.Collections.Generic;
using System.ComponentModel.DataAnnotations.Schema;
using System.Diagnostics;

namespace NadekoBot.Core.Services.Database.Models
{
    [DebuggerDisplay("{global::NadekoBot.Modules.Permissions.PermissionExtensions.GetCommand(this)}", Target = typeof(Permission))]
    public class Permission : DbEntity
    {
        public Permission Previous { get; set; } = null;
        public Permission Next { get; set; } = null;

        public PrimaryPermissionType PrimaryTarget { get; set; }
        public ulong PrimaryTargetId { get; set; }

        public SecondaryPermissionType SecondaryTarget { get; set; }
        public string SecondaryTargetName { get; set; }

        public bool State { get; set; }

        public Permissionv2 Tov2() =>
            new Permissionv2()
            {
                PrimaryTarget = PrimaryTarget,
                PrimaryTargetId = PrimaryTargetId,
                SecondaryTarget = SecondaryTarget,
                SecondaryTargetName = SecondaryTargetName,
                State = State,
            };
    }

    public interface IIndexed
    {
        int Index { get; set; }
    }

    [DebuggerDisplay("{PrimaryTarget}{SecondaryTarget} {SecondaryTargetName} {State} {PrimaryTargetId}")]
    public class Permissionv2 : DbEntity, IIndexed
    {
        public int? GuildConfigId { get; set; }
        public int Index { get; set; }

        public PrimaryPermissionType PrimaryTarget { get; set; }
        public ulong PrimaryTargetId { get; set; }

        public SecondaryPermissionType SecondaryTarget { get; set; }
        public string SecondaryTargetName { get; set; }

        public bool IsCustomCommand { get; set; }

        public bool State { get; set; }

        [NotMapped]
        public static Permissionv2 AllowAllPerm => new Permissionv2()
        {
            PrimaryTarget = PrimaryPermissionType.Server,
            PrimaryTargetId = 0,
            SecondaryTarget = SecondaryPermissionType.AllModules,
            SecondaryTargetName = "*",
            State = true,
            Index = 0,
        };

        public static List<Permissionv2> GetDefaultPermlist =>
            new List<Permissionv2>
            {
                AllowAllPerm
            };
    }

    public enum PrimaryPermissionType
    {
        User,
        Channel,
        Role,
        Server
    }

    public enum SecondaryPermissionType
    {
        Module,
        Command,
        AllModules
    }
}