package BossSpellTarget
import SetupObject
import Escaper
import HomingProjectile
import Assets
import ClosureTimers
import HashMap

public constant int SPELLTARGET_ID = 'u00F'
public constant int AOE_ID = 'A06V'
public constant int MISSILE_ID = 'A06W'

public enum SpellType
	NONE
	AOE
	LINE
	MISSILE

public HashMap<int,LinkedList<SpellTarget>> targets = new HashMap<int,LinkedList<SpellTarget>>()

public class SpellTarget extends SetupObject
	SpellType stype = SpellType.NONE

	construct(vec2 pos, player owner)
		super(createUnit(owner, SPELLTARGET_ID, pos, angle(0))..addAbility(LOCUST_ID), createUnit(owner, SPELLTARGET_ID, pos, angle(0)), 32)
		stype = SpellType.NONE
		EventListener.add(setup, EVENT_PLAYER_UNIT_SPELL_CAST, () -> onCast())
		if not targets.has(owner.getId())
			targets.put(owner.getId(), new LinkedList<SpellTarget>())
		targets.get(owner.getId()).add(this)

	function onCast()
		let id = GetSpellAbilityId()
		switch id
			case AOE_ID
				stype = SpellType.AOE
				actor..setVertexColor(255,255,0,255)
				..removeAbility(AOE_ID)
				..addAbility(MISSILE_ID)
			case MISSILE_ID
				stype = SpellType.MISSILE
				actor..setVertexColor(0,255,255,255)
				..removeAbility(MISSILE_ID)
				..addAbility(AOE_ID)

	function castAoe()
		addEffect("war3mapImported\\DarknessMeteor.mdx", pos).destr()
		let tpos = getPos().toVec2()
		doAfter(1.) ->
			forUnitsInRange(tpos, 200) u ->
				if u.getEntity() instanceof Escaper
					actor.damageTarget(u, 100)
					let escaper = u.getEntity() castTo Escaper
					escaper.addVel((escaper.pos-tpos)*0.5)

	ondestroy
		targets.get(owner.getId()).remove(this)

//	function castAOE(Boss root)
//		DestroyEffect(AddSpecialEffect(aoe_spell[root.aoe_id].sfx,pos.x,pos.y))
//		GroupEnumUnitsInRange(ENUM_GROUP,pos.x, pos.y, aoe_spell[root.aoe_id].aoe, null)
//		for u in ENUM_GROUP
//			var e = u.getEntity()
//			if e instanceof Escaper
//				var es = e castTo Escaper
//				if not es.flying
//					actor.damageTarget(u,aoe_spell[root.aoe_id].damage)
//		GroupClear(ENUM_GROUP)
//

constant MISSILE_RADIUS = 64.
constant MISSILE_SPEED = 12.

public class BossMissile extends HomingProjectile
	unit caster = null

	construct(unit caster, Entity target)
		super(caster.getPos3with(92), MISSILE_RADIUS, owner, pos.angleTo2d(target.getPos()), Abilities.greenDragonMissile)
		this.caster = caster
		setTarget(target,HOMING.attract,MISSILE_SPEED)
		setSpeed(14.)
		setTimed(10)


	override function update()
		super.update()
		sleeps = false
		// If outside boss region, terminate the missile
		if this.getCurrentRegion() != getRegionData(caster.getPos())
			terminate()
		for e in escapers
			if pos.distanceToSq(e.pos) < radius*radius
				caster.damageTarget(e.actor, 100)
				terminate()
				return