local gc=love.graphics
local rnd=math.random

local scene={}

local state
local ct
local s1,s2
local up,winner=true

local function reset()
	state=0
	ct=20
	s1,s2=0,0
end

function scene.sceneInit()
	reset()
	BG.set('none')
	love.keyboard.setKeyRepeat(false)
end
function scene.sceneBack()
	love.keyboard.setKeyRepeat(true)
end

function scene.keyDown(key)
	if state==0 then
		if key=="space"then
			reset()
			state=1
			ct=60
		end
	elseif state==2 and #key==1 then
		key=("qapl"):find(key)
		if key then
			--BEAUTIFUL LOGIC BELOW:

			--early = error, [UP-key]==[target is up] = correct sfx, else = wrong sfx
			SFX.play(ct>6 and'finesseError'or key%2==1==up and'reach'or'fail')

			--(early && P2-key || not early && [P1-key]==[target is up]) = P1 win, else P2 win
			if ct>6 and key>2 or ct<=6 and key%4<2==up then
				winner=1;s1=s1+1
			else
				winner=2;s2=s2+1
			end
			state=3
			ct=60
		end
	end
end
function scene.touchDown(x,y)
	scene.keyDown(
		state==0 and "space"or
		x<640 and
			(y<360 and"q"or"a")or
			(y<360 and"p"or"l")
	)
end
function scene.update()
	if state==0 then--Menu
		if ct>0 then
			ct=ct-1
		elseif rnd()<.00626 then
			ct=30
		end
	elseif state==1 then--Waiting
		ct=ct-1
		if ct==0 then
			ct=rnd(26,162)
			up=rnd()<.5
			state=2
		end
	elseif state==2 then--Winking
		ct=ct-1
		if ct==0 then ct=6 end
	elseif state==3 then
		ct=ct-1
		if ct==0 then
			if s1==6 or s2==6 then
				state=0
			else
				state=1
			end
			ct=60
		end
	end
end
function scene.draw()
	--Dividing line
	gc.setLineWidth(10)
	gc.setColor(1,1,1,.9)
	gc.line(640,0,640,720)
	gc.setColor(1,1,1,.3)
	gc.line(500,360,780,360)

	--Help
	setFont(100)
	mStr("Q",80,100)
	mStr("A",80,480)
	mStr("P",1200,100)
	mStr("L",1200,480)

	--Score
	setFont(80)
	gc.printf(s1,50,300,200)
	gc.printf(s2,1030,300,200,'right')

	if state==0 then
		setFont(40)
		mStr(MOBILE and"Touch to Start"or"Press space to Start",640,400)
		mStr("Press key on the same side when block appear!",640,500)
		if ct>0 then
			setFont(100)
			gc.setColor(1,1,1,ct/30)
			mStr("REFLECT",640,140)
		end
	elseif state==1 then
		gc.setColor(.2,.7,.4,math.min((60-ct)/10,ct/10)*.8)
		gc.arc('fill',640,360,260,-1.5708,-1.5708+(ct/60)*6.2832)
	elseif state==2 and ct<5 then
		gc.setColor(1,ct>2 and 1 or 0,0)
		gc.rectangle('fill',640-100,(up and 180 or 540)-100,200,200,10)
	elseif state==3 then
		local x=(60-ct)*62
		gc.setColor(.4,1,.4,ct/100)
		if winner==1 then
			gc.rectangle('fill',0,0,x,720)
		else
			gc.rectangle('fill',1280,0,-x,720)
		end
	end
end

scene.widgetList={
	WIDGET.newKey{name="back",x=640,y=675,w=150,h=50,font=35,code=backScene},
}

return scene