Hotel Controller

os.loadAPI("button")
os.loadAPI("radar")

local mon = peripheral.find("monitor")

local xMax, yMax = mon.getSize()
--#region
-- data that needs to be asynced
local roomAmount = 4
local occupied = 0
--#endregion


local checkInBtn = "Check In"
local checkOutBtn = "Check Out"

local currentRoom = 0

-- room number, player, isOccupied

local rooms = {["1"] = "", ["2"] = "",
              ["3"] = "", ["4"] = ""}

function printm(str, x, y)
    mon.setCursorPos(x, y)
    mon.clearLine()
    mon.write(str)
end

function fillButtons()
    -- xmin xmax, ymin, ymax
    button.setTable(checkInBtn, checkIn, 11, 20, 4, 12)
    button.setTable(checkOutBtn, checkOut, 22, 31, 4, 12)
    button.screen()
end

function drawText()
    printm("Rooms Available: ".. roomAmount - occupied, 2, 14)
    printm("Rooms Occupied: ".. occupied, 2, 15)
end

function getClosest()
    return radar.findClosest()
end

function getRoomAssignment()
    for key, obj in pairs(rooms) do
        print(key.. " "..tostring(obj))
        if obj == "" then
            rooms[key] = getClosest()
            currentRoom = key
            print(key)
            print("Room was assigned..".. key)
            return
        end
    end
end

function getClick()
    drawText()
    event, side, x, y = os.pullEvent("monitor_touch")
    button.checkxy(x, y)
end

-- check in function
function checkIn()
    if occupied < roomAmount then
        button.flash(checkInBtn)
        print("Rooms are empty")
        occupied = occupied + 1
        getRoomAssignment()
        printm(getClosest() .." is assigned Room ".. currentRoom, 1, yMax)
        sleep(3)
        mon.clearLine()
    end
end

function checkOut()
    occupied = occupied - 1
    button.flash(checkOutBtn)
    print("Checking Out!")
    button.screen()
end


mon.setBackgroundColor(colors.black)
mon.clear()
mon.setCursorPos(1, 1)

button.heading("Hello World!")
fillButtons()
while true do
    getClick()
end