using System;
using System.Collections.Generic;
using System.Data.Common;
using System.Text;

namespace StgSharp.Controlling.UsrActivity
{

    public struct KeyTrigger: ITrigger,IEquatable<KeyTrigger>
    {
        public KeyboardKey TargetKey;
        private KeyStatus _triggerStat;

        int ITrigger.TargetKeyOrButtonID => (int)TargetKey;

        KeyStatus ITrigger.TriggeredStatus => _triggerStat;

        public KeyTrigger(KeyboardKey targetKey) 
        {
            this.TargetKey = targetKey; 
        }

        public static bool operator ==(KeyTrigger left, KeyTrigger right)
        {
            return left._triggerStat == right._triggerStat && left.TargetKey == right.TargetKey;
        }

        public static bool operator !=(KeyTrigger left, KeyTrigger right)
        {
            return !(left == right);
        }

        public override bool Equals(object obj)
        {
            return base.Equals(obj);
        }

        public override int GetHashCode()
        {
            return (int)TargetKey + 17 * (int)_triggerStat;
        }

        public override string ToString()
        {
            return $"Key {TargetKey} triggered when {_triggerStat}";
        }

        bool IEquatable<KeyTrigger>.Equals(KeyTrigger other)
        {
            return other == this;
        }
    }
}