package Faceless
import EscaperSensor
import ChannelAbilityPreset

constant KILL_RADIUS = 64.
constant DIMENSION_SHIFTER_ID = 'dims'
constant UP_VIS_ID = compiletime(ABIL_ID_GEN.next())
constant DOWN_VIS_ID = compiletime(ABIL_ID_GEN.next())
constant UP_INVIS_ID = compiletime(ABIL_ID_GEN.next())
constant DOWN_INVIS_ID = compiletime(ABIL_ID_GEN.next())

enum WalkerMode
	VIS
	INVIS
	FADEIN
	FADEOUT

public class Faceless extends EscaperSensorSetup
	let visibleDur = new ConfigValue(2, 0.5, "Visible Duration")
	let invisDur = new ConfigValue(.5, 0.5, "Invisible Duration")

	private var color = COLOR_WHITE
	private var fadeDur = 1.
	private var mode = WalkerMode.VIS
	private var dur = visibleDur.get()

	construct(vec2 pos, player owner, angle facing)
		super(pos.toVec3(), owner, DIMENSION_SHIFTER_ID, facing, KILL_RADIUS, KILL_RADIUS)
		setup()

	construct(vec2 pos, player owner)
		super(pos.toVec3(), owner, DIMENSION_SHIFTER_ID, KILL_RADIUS, KILL_RADIUS)
		setup()

	construct(unit existing)
		super(existing, KILL_RADIUS, KILL_RADIUS)
		setup()

	function setup()
		setup..setVertexColor(colorA(55,55,55,55))..setScale(0.5)
		..addAbility(UP_VIS_ID)..addAbility(DOWN_VIS_ID)
		..addAbility(UP_INVIS_ID)..addAbility(DOWN_INVIS_ID)
		EventListener.add(setup, EVENT_PLAYER_UNIT_SPELL_CAST, () -> onCast())
		sleeps = false

	override function update()
		super.update()

		switch mode
			case WalkerMode.VIS
				dur -= ANIMATION_PERIOD
				if dur <= 0
					mode = WalkerMode.FADEOUT
					dur = fadeDur
			case WalkerMode.INVIS
				dur -= ANIMATION_PERIOD
				if dur <= 0
					mode = WalkerMode.FADEIN
					dur = fadeDur
			case WalkerMode.FADEOUT
				dur -= ANIMATION_PERIOD
				color = color.mix(COLOR_BLACK, (fadeDur-dur) / 3.)
				if dur <= 0
					color = COLOR_BLACK
					mode = WalkerMode.INVIS
					dur = invisDur.get()
			case WalkerMode.FADEIN
				dur -= ANIMATION_PERIOD
				color = color.mix(COLOR_WHITE, (fadeDur-dur) / 3.)
				if dur <= 0
					color = COLOR_WHITE
					mode = WalkerMode.VIS
					dur = visibleDur.get()
		actor.setVertexColor(color)

	function onCast()
		let id = GetSpellAbilityId()
		switch id
			case UP_VIS_ID
				visibleDur.increment(this, 10)
			case DOWN_VIS_ID
				visibleDur.decrement(this, 0)
			case UP_INVIS_ID
				invisDur.increment(this, 10)
			case DOWN_INVIS_ID
				invisDur.decrement(this, 0)

	ondestroy
		destroy visibleDur
		destroy invisDur

	override function serialize() returns Json
		let json = super.serialize()
		json
		..addProperty(new Property(KEY_TYPE, FACELESS_INDEX.toString()))
		return json

@objectgen function genSpells()
	let inc_spell = new ChannelAbilityPreset(UP_VIS_ID, 1, true)
	inc_spell..presetManaCost(lvl -> 0)
	..setHeroAbility(false)
	..presetCooldown(lvl -> 0)
	..setName("Increase Visible Duration")
	..presetIcon("ReplaceableTextures\\CommandButtons\\BTNReplay-Speedup.blp")
	..presetHotkey("D")
	..presetTooltipNormal(lvl -> "Increase Visible Duration [|cffFFCC00D|r]")
	..presetTooltipNormalExtended(lvl -> "")
	..presetButtonPosNormal(2, 1)

	let dec_spell = new ChannelAbilityPreset(DOWN_VIS_ID, 1, true)
	dec_spell..presetManaCost(lvl -> 0)
	..setHeroAbility(false)
	..presetCooldown(lvl -> 0)
	..setName("Decrease Visible Duration")
	..presetIcon("ReplaceableTextures\\CommandButtons\\BTNReplay-Speeddown.blp")
	..presetHotkey("C")
	..presetTooltipNormal(lvl -> "Decrease Visible Duration [|cffFFCC00C|r]")
	..presetTooltipNormalExtended(lvl -> "")
	..presetButtonPosNormal(2, 2)

	let inc_spell2 = new ChannelAbilityPreset(UP_INVIS_ID, 1, true)
	inc_spell2..presetManaCost(lvl -> 0)
	..setHeroAbility(false)
	..presetCooldown(lvl -> 0)
	..setName("Increase Invisible Duration")
	..presetIcon("ReplaceableTextures\\CommandButtons\\BTNReplay-Speedup.blp")
	..presetHotkey("R")
	..presetTooltipNormal(lvl -> "Increase Invisible Duration [|cffFFCC00R|r]")
	..presetTooltipNormalExtended(lvl -> "")
	..presetButtonPosNormal(3, 0)

	let dec_spell2 = new ChannelAbilityPreset(DOWN_INVIS_ID, 1, true)
	dec_spell2..presetManaCost(lvl -> 0)
	..setHeroAbility(false)
	..presetCooldown(lvl -> 0)
	..setName("Decrease Invisible Duration")
	..presetIcon("ReplaceableTextures\\CommandButtons\\BTNReplay-Speeddown.blp")
	..presetHotkey("F")
	..presetTooltipNormal(lvl -> "Decrease Invisible Duration [|cffFFCC00F|r]")
	..presetTooltipNormalExtended(lvl -> "")
	..presetButtonPosNormal(3, 1)


@objectgen function genShifter()
	new UnitDefinition(DIMENSION_SHIFTER_ID, 'ugho')
	..setAttacksEnabled(0)
	..setTargetedAs("air")
	..setAnimationCastBackswing(0)
	..setShadowImageUnit("")
	..setIconGameInterface("ReplaceableTextures\\CommandButtons\\BTNFacelessOne.blp")
	..setButtonPositionX(3)
	..setButtonPositionY(2)
	..setModelFile("Units\\Creeps\\FacelessOne\\FacelessOne.mdl")
	..setSelectionScale(0.7)
	..setUnitSoundSet("")
	..setCollisionSize(1)
	..setSpeedBase(180)
	..setMovementHeight(20)
	..setMovementHeightMinimum(20)
	..setMovementType(MovementType.Fly)
	..setNormalAbilities(commaList('A01H', 'A01E', REMOVE_OBJECT_ID, GHOST_VIS_ID, INVULNERABILITY_ID))
	..setHotkey("I")
	..setName("Dimension Shifter")
	..setTooltipBasic("Dimension Shifter [I]")
	..setTooltipExtended("Spawns a Dimension Shifter at|cffFFCC00 Rallypoint|n|n|cffD64219Kills Escapers")
	..setUpgradesUsed("")
	..setCanFlee(false)
	..setHitPointsMaximumBase(100000000)
	..setSightRadiusDay(0)
	..setSightRadiusNight(0)
	..setGoldCost(0)
	..setFoodCost(0)
	..setHideMinimapDisplay(true)