arena

local monitor = peripheral.wrap("right")
local locCable = "back"

local selected = 0
local white = 0
local red = 0
local green = 0
local blue = 0
local yellow = 0

function setRedstone()
    redstone.setBundledOutput(locCable, colors.white * white + colors.red * red + colors.green * green + colors.blue * blue + colors.yellow * yellow)
end

function setMenuColor(selected)
    if selected then
        monitor.setBackgroundColor(colors.orange )
    else
        monitor.setBackgroundColor(colors.black )
    end
end

function resetScreen()
    monitor.setTextScale(2)
    monitor.setBackgroundColor(colors.black )
    monitor.clear()
    monitor.setTextColor(colors.white)
    monitor.setCursorPos(1, 1)
    monitor.write("Welcome to the")
    monitor.setTextColor(colors.red)
    monitor.setCursorPos(1, 2)
    monitor.write("    ARENA")
    monitor.setCursorPos(1, 4)
    monitor.setTextColor(colors.white)
    monitor.write("Fields:")
    monitor.setCursorPos(4, 5)
    setMenuColor(white == 1)
    monitor.write("[ Main   ]")
    monitor.setCursorPos(4, 6)
    setMenuColor(red == 1)
    monitor.write("[ Red    ]")
    monitor.setCursorPos(4, 7)
    setMenuColor(green == 1)
    monitor.write("[ Green  ]")
    monitor.setCursorPos(4, 8)
    setMenuColor(blue == 1)
    monitor.write("[ Blue   ]")
    monitor.setCursorPos(4, 9)
    setMenuColor(yellow == 1)
    monitor.write("[ Yellow ]")
end

function handleMessage(msg)
    print("Msg ", msg)
end

function toggle(value)
    if value > 0 then
        return 0
    else
        return 1
    end
end

function click(row)
    if row == 5 then
        white = toggle(white)
        if white == 0 then
            red = 0
            green = 0
            blue = 0
            yellow = 0
        end
    elseif row == 6 and white == 1 then
        red = toggle(red)
    elseif row == 7 and white == 1 then
        green = toggle(green)
    elseif row == 8 and white == 1 then
        blue = toggle(blue)
    elseif row == 9 and white == 1 then
        yellow = toggle(yellow)
    end
    setRedstone()
end

function handleTouch(p1, p2, p3, p4, p5)
    print("x:",p2,", y:", p3)
    if p3 >= 5 and p3 <= 9 and p2 >= 4 and p2 <= 14 then
        click(p3)
        resetScreen()
    end
end

resetScreen()

while true do
    local event, p1, p2, p3, p4, p5 = os.pullEvent()
    print(event, ": ", p1)
    if event == "rednet_message" then
        handleMessage(p2)
    elseif event == "monitor_touch" then
        handleTouch(p1, p2, p3, p4, p5)
    end

end