local gc,sys=love.graphics,love.system
local kb=love.keyboard

local int,sin=math.floor,math.sin
local ins,rem=table.insert,table.remove
local sub=string.sub

local scene={}

local input--Input buffer
local cur--Cursor position
local sure

function scene.sceneInit()
	input=""
	cur=#MISSION
	sure=0
end

local missionEnum=missionEnum
local legalInput={Z=true,S=true,J=true,L=true,T=true,O=true,I=true,A=true,_=true,P=true}
function scene.keyDown(key)
	if key=="left"then
		local p=cur
		if p==0 then
			cur=#MISSION
		else
			repeat
				p=p-1
			until MISSION[p]~=MISSION[cur]
			cur=p
		end
	elseif key=="right"then
		local p=cur
		if p==#MISSION then
			cur=0
		else
			repeat
				p=p+1
			until MISSION[p+1]~=MISSION[cur+1]
			cur=p
		end
	elseif key=="ten"then
		for _=1,10 do
			local p=cur
			if p==#MISSION then break end
			repeat
				p=p+1
			until MISSION[p+1]~=MISSION[cur+1]
			cur=p
		end
	elseif key=="backspace"then
		if #input>0 then
			input=""
		elseif cur>0 then
			rem(MISSION,cur)
			cur=cur-1
			if cur>0 and MISSION[cur]==MISSION[cur+1]then
				scene.keyDown("right")
			end
		end
	elseif key=="delete"then
		if sure>20 then
			for _=1,#MISSION do
				rem(MISSION)
			end
			cur=0
			sure=0
			SFX.play("finesseError",.7)
		else
			sure=50
		end
	elseif key=="c"and kb.isDown("lctrl","rctrl")or key=="cC"then
		if #MISSION>0 then
			sys.setClipboardText("Techmino Target:"..copyMission())
			LOG.print(text.exportSuccess,COLOR.green)
		end
	elseif key=="v"and kb.isDown("lctrl","rctrl")or key=="cV"then
		local str=sys.getClipboardText()
		local p=string.find(str,":")--ptr*
		if p then str=sub(str,p+1)end
		if pasteMission(str)then
			LOG.print(text.importSuccess,COLOR.green)
			cur=#MISSION
		else
			LOG.print(text.dataCorrupted,COLOR.red)
		end
	elseif key=="escape"then
		SCN.back()
	elseif type(key)=="number"then
		local p=cur+1
		while MISSION[p]==key do p=p+1 end
		ins(MISSION,p,key)
		cur=p
	else
		if key=="space"then
			key="_"
		else
			key=string.upper(key)
		end

		input=input..key
		if missionEnum[input]then
			cur=cur+1
			ins(MISSION,cur,missionEnum[input])
			SFX.play("lock")
			input=""
		elseif #input>1 or not legalInput[input]then
			input=""
		end
	end
end

function scene.update()
	if sure>0 then sure=sure-1 end
end

function scene.draw()
	--Draw frame
	gc.setLineWidth(4)
	gc.setColor(1,1,1)
	gc.rectangle("line",60,110,1160,170)

	--Draw inputing target
	setFont(30)
	gc.setColor(.9,.9,.9)
	gc.print(input,1200,275)

	--Draw targets
	local libColor=minoColor
	local set=SETTING.skin
	local L=MISSION
	local x,y=100,136--Next block pos
	local cx,cy=100,136--Cursor-center pos
	local i,j=1,#L
	local count=1
	repeat
		if L[i]==L[i-1]then
			count=count+1
		else
			if count>1 then
				setFont(25)
				gc.setColor(1,1,1)
				gc.print("×",x-10,y-14)
				gc.print(count,x+5,y-13)
				x=x+(count<10 and 33 or 45)
				count=1
				if i==cur+1 then
					cx,cy=x,y
				end
			end
			if x>1140 then
				x,y=100,y+36
			end
			if i<=j then
				setFont(35)
				local N=int(L[i]*.1)
				if N>0 then
					gc.setColor(libColor[set[N]])
				elseif L[i]>4 then
					gc.setColor(COLOR.rainbow(i+TIME()*6.26))
				else
					gc.setColor(COLOR.grey)
				end
				gc.print(missionEnum[L[i]],x,y-25)
				x=x+56
			end
		end
		if i==cur then
			cx,cy=x,y
		end
		i=i+1
	until i>j+1

	--Draw cursor
	gc.setColor(1,1,.4,.6+.4*sin(TIME()*6.26))
	gc.line(cx-5,cy-20,cx-5,cy+20)

	--Confirm reset
	if sure>0 then
		gc.setColor(1,1,1,sure*.02)
		gc.draw(drawableText.question,980,570)
	end
end

scene.widgetList={
	WIDGET.newText{name="title",	x=520,y=5,font=70,align="R"},
	WIDGET.newText{name="subTitle",	x=530,y=50,font=35,align="L",color="grey"},

	WIDGET.newKey{name="_1",	x=800,	y=540,	w=90,	font=50,code=pressKey(01)},
	WIDGET.newKey{name="_2",	x=900,	y=540,	w=90,	font=50,code=pressKey(02)},
	WIDGET.newKey{name="_3",	x=800,	y=640,	w=90,	font=50,code=pressKey(03)},
	WIDGET.newKey{name="_4",	x=900,	y=640,	w=90,	font=50,code=pressKey(04)},
	WIDGET.newKey{name="any1",	x=100,	y=640,	w=90,			code=pressKey(05)},
	WIDGET.newKey{name="any2",	x=200,	y=640,	w=90,			code=pressKey(06)},
	WIDGET.newKey{name="any3",	x=300,	y=640,	w=90,			code=pressKey(07)},
	WIDGET.newKey{name="any4",	x=400,	y=640,	w=90,			code=pressKey(08)},
	WIDGET.newKey{name="PC",	x=500,	y=640,	w=90,	font=50,code=pressKey(09)},

	WIDGET.newKey{name="Z1",	x=100,	y=340,	w=90,	font=50,code=pressKey(11)},
	WIDGET.newKey{name="S1",	x=200,	y=340,	w=90,	font=50,code=pressKey(21)},
	WIDGET.newKey{name="J1",	x=300,	y=340,	w=90,	font=50,code=pressKey(31)},
	WIDGET.newKey{name="L1",	x=400,	y=340,	w=90,	font=50,code=pressKey(41)},
	WIDGET.newKey{name="T1",	x=500,	y=340,	w=90,	font=50,code=pressKey(51)},
	WIDGET.newKey{name="O1",	x=600,	y=340,	w=90,	font=50,code=pressKey(61)},
	WIDGET.newKey{name="I1",	x=700,	y=340,	w=90,	font=50,code=pressKey(71)},

	WIDGET.newKey{name="Z2",	x=100,	y=440,	w=90,	font=50,code=pressKey(12)},
	WIDGET.newKey{name="S2",	x=200,	y=440,	w=90,	font=50,code=pressKey(22)},
	WIDGET.newKey{name="J2",	x=300,	y=440,	w=90,	font=50,code=pressKey(32)},
	WIDGET.newKey{name="L2",	x=400,	y=440,	w=90,	font=50,code=pressKey(42)},
	WIDGET.newKey{name="T2",	x=500,	y=440,	w=90,	font=50,code=pressKey(52)},
	WIDGET.newKey{name="O2",	x=600,	y=440,	w=90,	font=50,code=pressKey(62)},
	WIDGET.newKey{name="I2",	x=700,	y=440,	w=90,	font=50,code=pressKey(72)},

	WIDGET.newKey{name="Z3",	x=100,	y=540,	w=90,	font=50,code=pressKey(13)},
	WIDGET.newKey{name="S3",	x=200,	y=540,	w=90,	font=50,code=pressKey(23)},
	WIDGET.newKey{name="J3",	x=300,	y=540,	w=90,	font=50,code=pressKey(33)},
	WIDGET.newKey{name="L3",	x=400,	y=540,	w=90,	font=50,code=pressKey(43)},
	WIDGET.newKey{name="T3",	x=500,	y=540,	w=90,	font=50,code=pressKey(53)},
	WIDGET.newKey{name="O3",	x=600,	y=540,	w=90,	font=50,code=pressKey(63)},
	WIDGET.newKey{name="I3",	x=700,	y=540,	w=90,	font=50,code=pressKey(73)},

	WIDGET.newKey{name="O4",	x=600,	y=640,	w=90,	font=50,code=pressKey(64)},
	WIDGET.newKey{name="I4",	x=700,	y=640,	w=90,	font=50,code=pressKey(74)},

	WIDGET.newKey{name="left",		x=800,	y=440,	w=90,		color="lGreen",	font=55,code=pressKey"left"},
	WIDGET.newKey{name="right",		x=900,	y=440,	w=90,		color="lGreen",	font=55,code=pressKey"right"},
	WIDGET.newKey{name="ten",		x=1000,	y=440,	w=90,		color="lGreen",	font=40,code=pressKey"ten"},
	WIDGET.newKey{name="backsp",	x=1000,	y=540,	w=90,		color="lYellow",font=50,code=pressKey"backspace"},
	WIDGET.newKey{name="reset",		x=1000,	y=640,	w=90,		color="lYellow",font=50,code=pressKey"delete"},
	WIDGET.newButton{name="copy",	x=1140,	y=440,	w=170,h=80,	color="lRed",	font=40,code=pressKey"cC",hide=function()return #MISSION==0 end},
	WIDGET.newButton{name="paste",	x=1140,	y=540,	w=170,h=80,	color="lBlue",	font=40,code=pressKey"cV"},
	WIDGET.newSwitch{name="mission",x=1150, y=350,	disp=lnk_CUSval("missionKill"),code=lnk_CUSrev("missionKill")},

	WIDGET.newButton{name="back",	x=1140,	y=640,	w=170,h=80,	font=40,code=backScene},
}

return scene