package Texter
import BaseObject
import Escaper
import StringUtils
import Decoration

constant INFO_TEXTER_ID = compiletime(ABIL_ID_GEN.next())
constant EVENT_RADIUS 	= 32.

let stdcolors = ["white", "red", "blue", "teal", "purple", "yellow", "orange", "green", "pink", "gray", "lightblue", "darkgreen", "brown"]

public class Texter extends StaticBaseObject
	FText text
	var hidden = true
	var col = color(255,255,255)

	construct(vec2 pos, player owner)
		super(pos, createUnit(owner, TEXTER_ID, pos, angle(0)), EVENT_RADIUS, function Texter.onStep, null)
		setEnabled(false)
		text = createCenterFText(actor.getPos3Zero(), "", 12)
		text.tt..setColor(col.red,col.green,col.blue, 0)..setVisibility(false)

	function show()
		text.tt.setVisibility(true)
		hidden = false
		createFText(pos, vec2(0,0.05), "Shown", 10, 2., colorA(255,255,255,0), owner)

	function hide()
		text.tt.setVisibility(false)
		hidden = true
		createFText(pos, vec2(0,0.05), "Hidden", 10, 2., colorA(255,255,255,0), owner)

	static function onStep()
		let u = GetTriggerUnit()
		let e = u.getEntity()
		let obj = GetTriggeringTrigger().getSource().getEntity() castTo Texter
		if e instanceof Escaper
			obj.show()

	function onShow()
		forUnitsOfPlayer(owner) u ->
			if IsUnitSelected(u, owner)
				let ent = u.getEntity()
				if ent instanceof Texter
					let obj = u.getEntity() castTo thistype
					obj.show()

	function onHide()
		forUnitsOfPlayer(owner) u ->
			if IsUnitSelected(u, owner)
				let ent = u.getEntity()
				if ent instanceof Texter
					let obj = u.getEntity() castTo thistype
					obj.hide()

	function setText(string txt)
		clearQuestionmark()
		text.tt.center(getPos(), txt, 10)
		if hidden
			createFText(pos, vec2(0,0.05), txt, 10, 2., COLOR_WHITE, owner)

	static function setColor(Entity ent, string color)
		let textcolor = getColorFromString(color + " ")
		if ent instanceof Texter
			let obj = ent castTo Texter
			if obj.col != textcolor
				obj.col = textcolor
				obj.text.tt.setColor(obj.col.red,obj.col.green,obj.col.blue, 0)
				createFText(obj.pos, vec2(0,0.05), "Color Set", 10, 2., obj.col.withAlpha(0), obj.owner)
		else if ent instanceof Decoration
			let obj = ent castTo Decoration
			obj.actor.setVertexColor(textcolor)
			obj.setup.setVertexColor(textcolor)
		else if ent instanceof SetupObject
			let obj = ent castTo SetupObject
			obj.actor.setVertexColor(textcolor)
			obj.setup.setVertexColor(textcolor)

	ondestroy
		destroy text

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

	override function activate()
		show()

	override function deactivate()
		super.deactivate()
		hide()

function getColorFromString(string s) returns color
	boolean isstdcolor = false
	color stringcolor = color(255,255,255)
	for int i = 1 to 12
		if stdcolors[i]+ " " == s
			stringcolor = players[i-1].getColor().toColor()
			isstdcolor = true
	if not isstdcolor
		int component = 0
		string tempstring = ""
		for int ii = 0 to StringLength(s) - 1
			if SubString(s, ii, ii + 1) != " "
				tempstring += SubString(s, ii, ii + 1)
			else
				switch component
					case 0
						stringcolor.red = S2I(tempstring)
					case 1
						stringcolor.green = S2I(tempstring)
					case 2
						stringcolor.blue = S2I(tempstring)
				component++
				tempstring = ""
	return stringcolor

interface TexterClsr
	function run(Texter texter)

function forSelectedTexters(TexterClsr cb)
	let p = GetTriggerPlayer()
	forUnitsOfPlayer(p) u ->
		if IsUnitSelected(u, GetTriggerPlayer()) and u.getTypeId() == TEXTER_ID
			cb.run(u.getEntity() castTo Texter)

init
	EventListener.add(EVENT_PLAYER_CHAT_FILTER) ->
		let text = GetEventPlayerChatString()

		if text.contains(" ")
			let tokens = text.split(" ")
			switch tokens.dequeue()
				case "-st"
					forSelectedTexters(t -> t.setText(tokens.joinBy(" ")))
				case "-sc"
					forUnitsOfPlayer(GetTriggerPlayer()) u ->
						if IsUnitSelected(u, GetTriggerPlayer())
							Texter.setColor(u.getEntity(), tokens.joinBy(" "))
		else
			switch text
				case "-sht"
					forSelectedTexters(t -> t.show())
				case "-ht"
					forSelectedTexters(t -> t.hide())


@objectgen function genTexter()
	new ChannelAbilityPreset(INFO_TEXTER_ID, 1, TRUE)
	..setName("Information: Texter")
	..presetTooltipNormal(lvl -> "Information: Texter")
	..presetTooltipNormalExtended(lvl -> "Use these commands while having the texter selected." +
	"\nAll Commands:" +
	"\n-sht (shows the currently set text)" +
	"\n-ht (hides the currently set text)" +
	"\n-sc (set the color of the text)" +
	"\nExamples:" +
	"\n-st Some Text" +
	"\n-sc red/green/orange" +
	"\n-sc 125 125 255" +
	"\nThe text gets automatically displayed if an Escaper walks over the texter.")
	..presetIcon("ReplaceableTextures\\CommandButtons\\PASInfo.blp")
	..presetButtonPosNormal(0, 0)
	..presetTargetTypes(Targettype.PASSIVE)
	..setHeroAbility(FALSE)

	new BuildingDefinition(TEXTER_ID, 'ncop')
	..setName("|cff08DEFFTexter ")
	..setHotkey("F")
	..setTooltipBasic("|cffFFCC00Build |cff08DEFFTexter [F]")
	..setTooltipExtended("Creates floating textes that are shown by command or when an Escaper walks over it." +
	"\nFloating texts can be colored.")
	..setIconGameInterface("ReplaceableTextures\\CommandButtons\\BTNTexter.blp")
	..setNormalAbilities(commaList(INFO_TEXTER_ID, REMOVE_OBJECT_ID, MAKE_UNIT_INVISIBLE_ID, GHOST_VIS_ID, INVULNERABILITY_ID))
	..setButtonPositionX(3)
	..setButtonPositionY(1)
	..setTintingColorRed(0)
	..setSightRadiusDay(0)
	..setSightRadiusNight(0)
	..setBuildTime(1)
	..setCollisionSize(0)
	..setScalingValue(0.8)
	..setSelectionScale(2.2)
	..setUnitClassification("ancient,standon")
	..setHideMinimapDisplay(true)