#nullable enable

using System;

namespace ShrinkNetwork
{
    [AttributeUsage(AttributeTargets.Class, Inherited = false, AllowMultiple = false)]
    public sealed class ShrinkNetworkMessageAttribute : Attribute
    {
        public int Opcode { get; }
        public string? Route { get; }

        public ShrinkNetworkMessageAttribute(int opcode, string? route = null)
        {
            Opcode = opcode;
            Route = string.IsNullOrWhiteSpace(route) ? null : route.Trim();
        }
    }

    [AttributeUsage(AttributeTargets.Class, Inherited = false, AllowMultiple = false)]
    public sealed class ShrinkNetworkSubscriberAttribute : Attribute
    {
    }

    public enum ShrinkNetworkStateSyncRole
    {
        JoinRequest = 0,
        JoinResponse = 1,
        Command = 2,
        StateDelta = 3,
        LeaveNotice = 4,
        Heartbeat = 5
    }

    [AttributeUsage(AttributeTargets.Class, Inherited = false, AllowMultiple = true)]
    public sealed class ShrinkNetworkStateSyncAttribute : Attribute
    {
        public string Group { get; }
        public ShrinkNetworkStateSyncRole Role { get; }

        public ShrinkNetworkStateSyncAttribute(string group, ShrinkNetworkStateSyncRole role)
        {
            Group = string.IsNullOrWhiteSpace(group) ? string.Empty : group.Trim();
            Role = role;
        }
    }

    [AttributeUsage(AttributeTargets.Method, Inherited = false, AllowMultiple = true)]
    public sealed class ShrinkNetworkSubscribeAttribute : Attribute
    {
        public ShrinkNetworkAuthority Authority { get; set; } = ShrinkNetworkAuthority.Any;
        public string? Permission { get; set; }
    }
}