local Button = {}
 
function Button.new(
    width,
    height,
    label,
    bgClrNorm,
    bgClrPressed,
    txtClrNorm,
    txtClrPressed,
    hasBorder,
    borderClrNorm,
    borderClrPressed,
    startCol,
    startRow,
    isPressed,
    dfltBGClr,
    dfltTxtClr
)
 
    local button = {}
    button.height = height or 1
    button.width = width or 1
    button.label = label or "Button"
    button.bgClrNorm = bgClrNorm or colors.lightGray
    button.bgClrPressed = bgClrPressed or colors.gray
    button.txtClrNorm = txtClrNorm or colors.black
    button.txtClrPressed = txtClrPressed or colors.white
    button.hasBorder = hasBorder or true
    button.borderClrNorm = borderClrNorm or colors.black
    button.borderClrPressed = borderClrPressed or colors.white
    button.dfltBGClr = dfltBGClr or colors.lightGray
    button.dfltTxtClr = dfltTxtClr or colors.black
    button.startCol = startCol or 1
    button.startRow = startRow or 1
    button.isPressed = isPressed or false
 
    function button.press()
        button.isPressed = not button.isPressed
    end
 
    function button.draw(display, isPressed, startCol, startRow)
        button.startCol = startCol or button.startCol
        button.startRow = startRow or button.startRow
        display = display or term
 
        if isPressed == false or isPressed then
            button.isPressed = isPressed
        else
            isPressed = button.isPressed
        end
 
        local width = button.width
        local height = button.height
        startCol = button.startCol
        startRow = button.startRow
 
        local label = button.label
        local labelPad = 2
 
        --creating and drawing border
        if button.hasBorder == true then
            if width < 3 then
                width = 3
            end
            if height < 3 then
                height = 3
            end
 
            if not isPressed then
                if not display.isColor() then
                    display.setBackgroundColor(colors.white)
                else
                    display.setBackgroundColor(button.borderClrNorm)
                end
            else
                if not display.isColor() then
                    display.setBackgroundColor(colors.white)
                else
                    display.setBackgroundColor(button.borderClrPressed)
                end
            end
 
            display.setCursorPos(startCol, startRow)
            display.write(string.rep(" ", width))
 
            for row = 2, height-1 do
                display.setCursorPos(startCol, button.startRow + row -1)
                display.write(" ")
                display.setCursorPos(startCol + width - 1, startRow + row - 1)
                display.write(" ")
            end
            display.setCursorPos(startCol, startRow + height - 1)
            display.write(string.rep(" ", width))
 
            --resetting values to inset button and label
            startCol = startCol + 1
            startRow = startRow + 1
            width = width - 2
            height = height - 2
        end
 
        --set button colors
        if not isPressed then
            if not display.isColor() then
                display.setBackgroundColor(colors.black)
                display.setTextColor(colors.white)
            else
                display.setBackgroundColor(button.bgClrNorm)
                display.setTextColor(button.txtClrNorm)
            end
        else 
            if not display.isColor() then
                display.setBackgroundColor(colors.white)
                display.setTextColor(colors.black)
            else
                display.setBackgroundColor(button.bgClrPressed)
                display.setTextColor(button.txtClrPressed)
            end
        end
        --draw button background
        for row = 1, height do
            display.setCursorPos(startCol, startRow + row - 1)
            display.write(string.rep(" ", width))
        end
 
        if width < 3 then 
            labelPad = 0
        end
        if #label > width - labelPad then
            label = label:sub(1, width - labelPad)
        end
 
        display.setCursorPos(startCol + math.floor((width - #label) / 2), startRow + math.floor((height - 1) / 2))
        display.write(label)
        display.setBackgroundColor(button.dfltBGClr)
        display.setTextColor(button.dfltTxtClr)
    end
 
    button.toggle = function ()
        button.isPressed = not button.isPressed
        return button.isPressed
    end
 
    return button
end
 
return Button