import "CoreLibs/keyboard"
import "CoreLibs/math"

local gfx <const> = playdate.graphics
local prevtext = ""
gfx.setLineWidth(5)

local position = {x=0,y=0}

local bool2int = {[true]=1,[false]=0}

local imgSwitch = gfx.imagetable.new("gfx/switch")
local imgFloppy = gfx.image.new("gfx/floppy")
assert(imgSwitch)
assert(imgFloppy)
local sprSwitch = gfx.sprite.new(imgSwitch:getImage(1))
local sprFloppy = gfx.sprite.new(imgFloppy)

sprSwitch:moveTo(381,47)
sprFloppy:moveTo(381,17)

function newProject()
    mode = "newproj"
    playdate.keyboard.show("NEW LEVEL")
end

function updateNewproj()
    gfx.clear()
    gfx.drawText("LEVEL NAME:", 0, 105)
    gfx.drawTextInRect(playdate.keyboard.text:upper(),0,125, 210, 80)
end

function playdate.keyboard.keyboardWillHideCallback(ok)
    if ok == false then
        page = 0
        playdate.wait(0.3)
        editLoad()
    else
        mode = "editor"
        sprSwitch:add()
        sprFloppy:add()

        playdate.wait(0.1)
    end
end

function playdate.keyboard.textChangedCallback()
    print(#playdate.keyboard.text)

    if #playdate.keyboard.text > 24 then
        playdate.keyboard.text = prevtext
    end

    prevtext = playdate.keyboard.text
end

local tileIndex = 0.0

local curY = math.floor( tileIndex ) * 30 + 2
local curYlerp = -32

function editUpdate()

    local change, aChange = playdate.getCrankChange()

    tileIndex += change * 0.01

    curY = math.floor( tileIndex ) * 30 + 2

    curYlerp = playdate.math.lerp(curYlerp, curY, 0.3)

    if playdate.buttonJustPressed(playdate.kButtonA) then
        if math.floor( tileIndex ) == 1 then
            playdate.display.setInverted(not playdate.display.getInverted())
            sprSwitch:setImage(imgSwitch:getImage(bool2int[playdate.display.getInverted()] + 1))
        end
    end

    if playdate.buttonJustPressed(playdate.kButtonLeft) then
        position.x -= 1
    elseif playdate.buttonJustPressed(playdate.kButtonRight) then
        position.x += 1
    end

    -- draw map
    gfx.setDrawOffset(position.x*16,position.y*16)

    -- draw ui
    gfx.setDrawOffset(0,0)
    gfx.sprite.update()

    gfx.setColor(gfx.kColorWhite)
    gfx.drawLine(360,0,360,240)

    gfx.setColor(playdate.graphics.kColorXOR)
    gfx.fillRect(365,curYlerp,33,30)
end

function editClose()
    sprSwitch:remove()
    sprFloppy:remove()
end