package FocusFire

import ChannelAbilityPreset
import Assets
import RegisterEvents
import ClosureForGroups
import GameplayConstants
import TowerConstants
import TimedEffect
import Movement
import Regions
import Tooltip

@compiletime function generateFocusFire()
	new ChannelAbilityPreset(ID_FOCUS_FIRE, 1, true)
		..setName("Focus fire")
		..setHotkeyNormal("Q")
		..setTooltipNormal(1, tooltipCustomBasic("Q", "Focus fire", ""))
		..setTooltipNormalExtended(1, tooltipTextFlavor("Orders all your towers to attack a certain unit.", "\"Why do it yourself when someone else can.. Twice as well even.\" - Unknown Peon"))
		..setIconNormal(Icons.bTNAdvancedCreatureAttack)
		..presetTargetTypes(Targettype.UNIT)
		..setTargetsAllowed(1, "enemy")
		..setCastRange(1, 1000)
		..setManaCost(1, 0)
		..setHeroAbility(false)
		..setButtonPositionNormalX(3)
		..setButtonPositionNormalY(0)

class AttackTarget implements ForGroupCallback
	unit target
	unit caster

	construct(unit caster, unit target)
		this.caster = caster
		this.target = target

	function callback(unit u)
		if u.getOwner() != PLAYER_BROWN and u != this.caster
			u.issueTargetOrder("attack", this.target)

function focusFire()
	let target = GetSpellTargetUnit()
	let caster = GetTriggerUnit()
	let p = target.getPlayerN()
	let r = rectFromIndex(playerArea.get(p))
	AttackTarget at = new AttackTarget(caster, target)
	forUnitsInRect(r, at)
	attatchTimedEffect(target, 3., Abilities.talkToMe, "overhead")

init
	registerSpellEffectEvent(ID_FOCUS_FIRE, function focusFire)