Lock [Security]

local POS_DIST = ({...})[1] -- Data persistence

if POS_DIST then
    settings.set("DISTANCE_THRESHOLD", POS_DIST)
    settings.save(".settings")
end

---

do -- Installing sheepelibs due to dependancies
    if fs.exists("sheepelibs") then
        for _, api in pairs(fs.list("sheepelibs")) do
            local name = api:match("(%w+)%.lua")
            if name then
                os.unloadAPI("sheepelibs/"..api)
            end
        end

        fs.delete("sheepelibs")
        fs.delete("sheepelibs.lua")
        os.reboot()
    end

    local con = http.get("https://pastebin.com/raw/X43Ldruq")

    if con then
        local source = con.readAll()
        con.close()

        local func, err = load(source, "X43Ldruq", "t", _ENV)

        if not func then
            printError(err)
            return
        end

        local success, msg = pcall(func, "true")

        if not success then
            printError(msg)
            return
        end
    end
end

---

local DISTANCE_THRESHOLD = settings.get("DISTANCE_THRESHOLD") or 4

local SERVER_KEY = "c071136ae9fc8b0ecbdb3534434192e9232675b3053f06d37aa8adb014916e63"

local POCKET_TO = 10172
local POCKET_FROM = 19741

local SERVER_TO = 41718
local SERVER_FROM = 15133

local modem = peripheral.find("modem")
local monitor = peripheral.find("monitor")

modem.open(POCKET_FROM)
modem.open(POCKET_TO)

modem.open(SERVER_FROM)

while true do
    local event, arg0, arg1, arg2, arg3, arg4 = os.pullEvent()

    if event == "modem_message" then
        if arg1 == POCKET_FROM and arg2 == POCKET_TO and arg4 <= DISTANCE_THRESHOLD and type(arg3) == "string" then
            modem.transmit(SERVER_TO, SERVER_FROM, Encryption.Encrypt(arg3, SERVER_KEY)) -- Pass the message on to the server
        elseif arg1 == SERVER_FROM and arg2 == SERVER_TO and type(arg3) == "string" and SERVER_KEY == Encryption.Decrypt(arg3, SERVER_KEY) then -- REDO LATER, NOT SECURE
            local oldDisplay = term.redirect(monitor)
            local x, y = term.getSize()
            paintutils.drawFilledBox(1, 1, x, y, colors.lime)
            term.redirect(oldDisplay)
        elseif arg4 > DISTANCE_THRESHOLD then
            local oldDisplay = term.redirect(monitor)
            local x, y = term.getSize()
            paintutils.drawFilledBox(1, 1, x, y, colors.red)
            term.redirect(oldDisplay)
        end
    end
end