reactor-room

-- Consts
local NAME = 'Primary Reactor'
local BTN_PADDING = 5
local REDSTONE_SIDE = 'right'


-- Data
local loadTestRunning = false


-- Peripherals
local monitor = peripheral.find('monitor')

if monitor == nil then
    print('Error: You need to connect a monitor!')
    return
end


-- Cached properties
local monitorWidth, monitorHeight = monitor.getSize()
local halfWidth = monitorWidth / 2


-- Generic methods
function resetMonitor()
    monitor.clear()
    monitor.setCursorPos(0, 0)
end

function drawButton(label, y, color, parent)
    local parentWidth = parent.getSize()

    local button = window.create(parent, BTN_PADDING, y, parentWidth - BTN_PADDING * 2, 3)
    button.setBackgroundColor(color)
    button.clear()

    local btnWidth = parentWidth - 10;
    button.setCursorPos(1, 2)

    local remainingWidth = btnWidth - label:len()
    button.write(string.rep(' ', remainingWidth / 2) .. label .. string.rep(' ', remainingWidth / 2))

    button.redraw();
end


-- Main logic

function drawLoop()
    resetMonitor()


    --
    -- First half  -> Reactor information
    --
    local leftHalf = window.create(monitor, 1, 1, halfWidth, monitorHeight)
    leftHalf.setBackgroundColor(colors.pink)
    leftHalf.clear()

    -- Draw the reactor name
    leftHalf.setTextColor(colors.black)
    leftHalf.setCursorPos(
        halfWidth / 2 - NAME:len() / 2,
        2
    )
    leftHalf.write(NAME)

    if loadTestRunning then
        -- Draw a button to stop the load test
        drawButton('Stop load test', 5, colors.red, leftHalf)
    else
        -- Draw a button to start the load test
        drawButton('Start load test', 5, colors.green, leftHalf)
    end


    leftHalf.redraw()


    --
    -- Second half -> Generic base energy information (todo)
    --
    local rightHalf = window.create(monitor, halfWidth + 2, 1, halfWidth, monitorHeight)
    rightHalf.setBackgroundColor(colors.blue)
    rightHalf.clear()
    rightHalf.redraw()
end

function checkClick(x, y)
    -- Check if the click is the start / stop load test button
    if x >= BTN_PADDING and x < BTN_PADDING + halfWidth - BTN_PADDING * 2
    and y >= 5 and y < 8
     then
        if loadTestRunning then
            redstone.setOutput(REDSTONE_SIDE, false)
            loadTestRunning = false
        else
            redstone.setOutput(REDSTONE_SIDE, true)
            loadTestRunning = true
        end
    end
end

redstone.setOutput(REDSTONE_SIDE, false)

while true do
    drawLoop()

    local _, _, x, y = os.pullEvent('monitor_touch')
    checkClick(x, y)
end