local gpu = require("component").gpu
local event = require("event")

local objects = {}

local function button(x,y,w,h,label,color,textColor,callback)
  table.insert(objects, {type="button",x=x,y=y,w=w,h=h,label=label,callback=callback,color = color,textColor = textColor, visible = true})
  return #objects
end

local function frame(x,y,w,h,color,textColor,text)
  table.insert(objects, {type="frame",x=x,y=y,w=w,h=h,color = color, textColor = textColor, text = text, visible = true})
  return #objects
end

local function draw()
  gpu.setBackground(0x333333)
  gpu.setForeground(0xFFFFFF)
  gpu.fill(1,1,resx,resy," ")
  for i,v in ipairs(objects) do
    local object = v

    if object.type == "button" and object.visible == true then
      gpu.setBackground(object.color)
      gpu.setForeground(object.textColor)
      gpu.fill(object.x,object.y,object.w,object.h," ")
      gpu.set(object.x+math.floor(object.w/2)-math.floor(#object.label/2),object.y+math.floor(object.h/2),object.label)
    elseif object.type == "frame" and object.visible == true then
      gpu.setBackground(object.color)
      gpu.setForeground(object.textColor)
      gpu.fill(object.x,object.y,object.w,object.h," ")
      gpu.set(object.x+math.floor(object.w/2)-math.floor(#object.text/2),object.y+math.floor(object.h/2),object.text)
    end
  end
end

event.listen("touch",function(_,_,x,y)
  for i,v in ipairs(objects) do
    if v.type == "button" then
      if x>=v.x and x<=v.x+v.w-1 and y>=v.y and y<=v.y+v.h-1 then
        v.callback()
      end
    end
  end
end)



while true do
  os.sleep(0.1)
  local text = ""
  for i=1,#enteredPassword do
    text = text .. "*"
  end

  objects[frameID].text = text
  draw()
end