package com.example.essentialsplus.helpers.combat;

import com.example.essentialsplus.helpers.combat.variablespeed.state.TickCount;
import java.util.ArrayDeque;
import net.runelite.api.Skill;
import net.runelite.api.events.FakeXpDrop;
import net.runelite.api.events.StatChanged;

public class Damage
{
	private static final double MODIFIER = 1;
	private static final double GLOBAL_MODIFIER = 1;

	private final ArrayDeque<Integer> hpExpEarned = new ArrayDeque<>();
	private final ArrayDeque<Integer> hpExpEarnedTickCount = new ArrayDeque<>();

	public boolean onXpDrop(StatChanged event, TickCount tc)
	{
		if (event.getSkill() != Skill.HITPOINTS)
		{
			return false;
		}
		hpExpEarnedTickCount.addLast(tc.get());
		hpExpEarned.addLast(event.getXp());
		return true;
	}

	public boolean onXpDrop(FakeXpDrop event, TickCount tc)
	{
		if (event.getSkill() != Skill.HITPOINTS)
		{
			return false;
		}
		hpExpEarnedTickCount.addLast(tc.get());
		hpExpEarnedTickCount.addLast(tc.get());
		hpExpEarned.addLast(0);
		hpExpEarned.addLast(event.getXp());
		return true;
	}

	public int compute(TickCount tc)
	{
		if (hpExpEarnedTickCount.isEmpty())
		{
			return -1;
		}
		final int lastTc = hpExpEarnedTickCount.getLast();
		if (!tc.isWithinNTicks(lastTc, 1))
		{
			return 0;
		}
		final double xp = (double) CombatUtils.getLastDelta(hpExpEarned);
		return (int) Math.round(xp * (3.0d / 4.0d) * MODIFIER * GLOBAL_MODIFIER);
	}

	public void onTick()
	{
		while (hpExpEarnedTickCount.size() > 5)
		{
			hpExpEarnedTickCount.removeFirst();
		}
		while (hpExpEarned.size() > 5)
		{
			hpExpEarned.removeFirst();
		}
	}

	public void reset()
	{
		hpExpEarned.clear();
		hpExpEarnedTickCount.clear();
	}
}