buttonApi

local buttons = {}

local function clear()
 term.clear()
 term.setCursorPos(1,1)
end

function reset()
 buttons = {}
end

function add(text, startX, startY, endX, endY, tStartX, tStartY, bColor, bcColor, btColor, func)
 --local buttons[#buttons+1] = {}
 local sTemp = {}

 sTemp["text"] = text
 sTemp["startX"] = startX
 sTemp["startY"] = startY
 sTemp["endX"] = endX
 sTemp["endY"] = endY
 sTemp["tStartX"] = tStartX
 sTemp["tStartY"] = tStartY
 sTemp["bColor"] = bColor
 sTemp["bcColor"] = bcColor
 sTemp["btColor"] = btColor
 sTemp["func"] = func
 sTemp["isActive"] = false

 buttons[#buttons+1] = sTemp
end

function addFromTable(tbl)
 if type(tbl) == "table" then
  for i,v in ipairs(tbl) do
   add(unpack(v))
  end
 end
end

function draw()
 term.setBackgroundColor(colors.white)
 clear()
 for i=1, #buttons do
  v = buttons[i]
  if v["isActive"] == true then
   term.setBackgroundColor(v["bcColor"])
  else
   term.setBackgroundColor(v["bColor"])
  end
  term.setTextColor(v["btColor"])
  for yPos = v["startY"], v["endY"] do
   for xPos = v["startX"], v["endX"] do
    term.setCursorPos(xPos, yPos)
    write(" ")
   end
  end
  term.setCursorPos(v["tStartX"], v["tStartY"])
  write(v["text"])
 end
end

local function pulse(btn)
 term.setBackgroundColor(btn["bcColor"])
 for yPos = btn["startY"], btn["endY"] do
  for xPos = btn["startX"], btn["endX"] do
   term.setCursorPos(xPos,yPos)
   write(" ")
  end
 end
 term.setTextColor(btn["btColor"])
 term.setCursorPos(btn["tStartX"], btn["tStartY"])
 write(btn["text"])

 sleep(.1)
 term.setBackgroundColor(btn["bColor"])
 for yPos = btn["startY"], btn["endY"] do
  for xPos = btn["startX"], btn["endX"] do
   term.setCursorPos(xPos,yPos)
   write(" ")
  end
 end
 term.setTextColor(btn["btColor"])
 term.setCursorPos(btn["tStartX"], btn["tStartY"])
 write(btn["text"])
 sleep(.1)
end

function check(x,y)
 for i,v in ipairs(buttons) do
  if x >= v["startX"] and x <= v["endX"] and y >= v["startY"] and y <=v["endY"] then
   pulse(v)
   term.setBackgroundColor(colors.black)
   term.setTextColor(colors.white)
   clear()
   v["func"]()
  end
 end
end