using System;

using XRL.World.Effects;

namespace XRL.World.Parts
{
	[Serializable]
	public class CyberneticsHearingAid : IPart
	{
		public int Radius
		{
			get { return GetAvailableComputePowerEvent.GetFor(ParentObject.Implantee) + 20; }
		}
		public int Level
		{
			get { return GetAvailableComputePowerEvent.GetFor(ParentObject.Implantee) + 1; }
		}

		public static int GetRadius(int Level) => Level < 10 ? 3 + Level * 2 : 40;

        public int GetRadius() => CyberneticsHearingAid.GetRadius(this.Level);

		public override bool WantEvent(int ID, int cascade) => base.WantEvent(ID, cascade) || ID == EndTurnEvent.ID || ID == GetShortDescriptionEvent.ID;

		public override bool HandleEvent(EndTurnEvent E)
		{
			GameObject implantee = ParentObject.Implantee;
			if (implantee?.IsPlayer() == true && !IsBroken() && !IsRusted() && !IsEMPed())
			{
				Cell currentCell = implantee.CurrentCell;
				if (currentCell?.OnWorldMap() == false)
				{
					foreach (var thing in currentCell.ParentZone.FastSquareSearch(currentCell.X, currentCell.Y, Radius, "Combat"))
					{
						if (implantee.DistanceTo(thing) <= Radius && !thing.HasEffect("CyberneticHeightenedHearingEffect"))
						{
							thing.ApplyEffect(new CyberneticHeightenedHearingEffect(Level, implantee, ParentObject));
						}
					}
				}
			}
			return base.HandleEvent(E);
		}

		public override bool HandleEvent(GetShortDescriptionEvent E)
		{
			E.Postfix.AppendRules("Compute power on the local lattice increases this item's range.");
			return base.HandleEvent(E);
		}
		public override bool AllowStaticRegistration() => false;
	}
}