require("ui")

peripheral.find("modem", rednet.open)

local mon = peripheral.wrap("back") or error("No monitor found")
term.redirect(mon)

local w,h = mon.getSize()

function processData()
    local senderId, message, protocol = rednet.receive("cakehud")
    local data = textutils.unserialize(message)

    mon.setTextScale(0.5)
    mon.setBackgroundColor(colors.purple)
    mon.setCursorPos(4,4)
    mon.clear()

    -- Boxes
    Box(2, 1, w - 2, h - 2, colors.gray, nil)
    Box(2, 14, w - 2, 1, colors.purple, nil)

    -- Texts
    Text(2, 2, "TPS: " .. math.floor(data.tps), "medium", colors.gray, colors.white)
    Text(2, 6, "Power: " .. data.power.power .. "/" .. data.power.maxPower, "medium", colors.gray, colors.white)
    Text(2, 10, "Reactor status: " .. (data.reactorStatus and "charging" or "discharging"), "medium", colors.gray, colors.white)

    -- Todo list
    Text(0, 13, "Todo list", "medium", colors.purple, colors.white)
    for i = 1, #data.todo do
        Text(2, 14 + i * 3, string.format("#%s %s %s", i, string.char(16), data.todo[i]), "medium", colors.gray, colors.white)
    end
end

while true do
    processData()
end