using System;

// ReSharper disable once CheckNamespace
namespace DTS.DASLib.Service
{
    /// <summary>
    /// this attribute controls whether a gain is disabled or not
    /// this was done for
    /// http://fogbugz/fogbugz/default.asp?10080
    /// to prevent the higher range gains which were considered just not useful
    /// this attribute is optional, it is assume the gain is not disabled
    /// unless it's explicitly  marked as disabled
    /// </summary>
    public class GainDisabledAttribute : Attribute
    {
        /// <summary>
        /// returns whether the gain is disabled or not
        /// http://fogbugz/fogbugz/default.asp?10080
        /// </summary>
        /// <param name="o"></param>
        /// <returns></returns>
        public static bool IsGainDisabled(object o)
        {
            if (o == null) return false;
            var mi = o.GetType().GetMember(o.ToString());
            if (mi.Length <= 0) return false;
            return GetCustomAttribute(mi[0], typeof(GainDisabledAttribute)) is GainDisabledAttribute attr && attr._bDisabled;
        }

        private readonly bool _bDisabled;
        public GainDisabledAttribute(bool disabled)
        {
            _bDisabled = disabled;
        }
    }
}