Miner soft network

DATA_FILE = "miners.dat" -- Файл для сохранения данных
TEMP_FILE = "miners.temp" -- Временное хранилище
REFRESH_RATE = 5        -- Seconds

BACKGROUND_COLOR = 1    -- White
TEXT_COLOR = 32768      -- Black

nTotal = 0
mLayerOffset = 30

nLowEnergy = 0
nMining = 0
nQuarry = 0
nStopped = 0
maxLayer = 0
minLayer = 256

scrX, scrY = term.getSize()

peripherals = peripheral.getNames()
for i = 1, #peripherals do
  if peripheral.getType(peripherals[i]) == "modem" then
    modem = peripheral.wrap(peripherals[i])
  end
end
miner = {}

--------------------------------------------------

    -- Массив данных о майнерах:
    -- 1 - 'state'
    -- 2 - 'energy'
    -- 3 - 'currentLayer'
    -- 4 - 'mined'
    -- 5 - 'total'

minersStats = {}
for i = 1, 81 do
    minersStats[i] = {}

    for j = 1, 7 do
        minersStats[i][j] = 0 -- Fill the values here
    end
end

--------------------------------------------------
-- Инициализация
--------------------------------------------------

function updateSoftware()
  if not(fs.exists("san")) then
    shell.run("pastebin","get wf2EBfvT san")
  end
  shell.run("san"," update san")
  shell.run("san"," update moneos1")
  os.reboot()
end

function FindMiners ()
    for i = 1, #peripherals do
        if peripheral.getType(peripherals[i]) == "mininglaser" then
            nTotal = nTotal + 1
            miner[nTotal] = peripherals[i]
        end
    end
end

--------------------------------------------------
-- Сбор статистики
--------------------------------------------------

function UpdateMiner (minerN)
    local state, energy, currentLayer, mined, total = modem.callRemote(miner[minerN], "state")

    minersStats[minerN][1] = state
    minersStats[minerN][2] = energy
    minersStats[minerN][3] = currentLayer
    minersStats[minerN][4] = mined
    minersStats[minerN][5] = total

    return 0
end

function UpdateAllMiners() -- Обновление статусов всех майнеров
    for i = 1, nTotal do
        UpdateMiner(i)
    end

    return 0
end

function RecalculateStatistics ()
    nOnline = 0
    nLowEnergy = 0
    nMining = 0
    nQuarry = 0
    nStopped = 0
    maxLayer = 0
    minLayer = 256

    for i = 1, nTotal do
        -- nLowEnergyTemp
        if minersStats[i][2] <= 20000 then
            nLowEnergy = nLowEnergy + 1
        end
        -- Scanning ores
        -- Mining ores
        -- nMiningTemp, nQuarryTemp, nStoppedTemp
        ooemessage = " - Out of energy"
        if minersStats[i][1] == "IDLE (not mining)" or minersStats[i][1] == "IDLE (not mining)".. ooemessage then
            nStopped = nStopped + 1
        elseif minersStats[i][1] == "Mining ores" or minersStats[i][1] == "Mining ores" .. ooemessage then
            nMining = nMining + 1
        elseif minersStats[i][1] == "Mining all" or minersStats[i][1] == "Mining all"..ooemessage then
            nQuarry = nQuarry + 1
        end
        -- maxLayerTemp
        maxLayer = math.max(maxLayer, minersStats[i][3])
        minLayer = math.min(minLayer, minersStats[i][3])
    end

    return 0
end

--------------------------------------------------
-- Интерфейс
--------------------------------------------------

function CommandAllMiners(command)
    for i = 1, nTotal do
        modem.callRemote(miner[i], "offset", mLayerOffset)
        modem.callRemote(miner[i], command)
    end
end

function DrawBackground ()
    term.setBackgroundColor(BACKGROUND_COLOR)
    term.setTextColor(TEXT_COLOR)
    term.setCursorBlink(false)
    term.clear()
    term.setCursorPos(1, 1)

    term.write("\t\t< Mining lasers >")
end

function WriteStats ()
    term.setCursorPos(1, 3)
    term.write("Online:\t\t" .. nTotal)
    term.setCursorPos(1, 4)
    term.write("Mining, quarry:\t\t" .. nMining .. ":" .. nQuarry)
    term.setCursorPos(1, 5)
    term.write("Max/min level:\t\t" .. maxLayer .. "/" .. minLayer)
    term.setCursorPos(1, 6)
    term.write("Low energy:\t\t" .. nLowEnergy)
end

function WriteButtonsExplanation ()
    term.setCursorPos(1, scrY-4)
    term.write("M - mine, Q - quarry, S - stop")
    term.setCursorPos(1, scrY-3)
    term.write("O - set offset")
    term.setCursorPos(1, scrY-2)
    term.write("R - refresh, X - exit, U - update soft")
end

function ReceiveOffset ()
    sleep(1/20)
    term.setCursorPos(1, 3)
    term.write("Enter offset:")
    term.setCursorPos(1, 4)
    term.write("> ")

    term.setCursorBlink(true)
    local input = read()
    term.setCursorBlink(false)

    mLayerOffset = tonumber(input)

    return mLayerOffset
end

function Shutdown()
    term.setBackgroundColor(32768)
    term.setTextColor(1)
    term.setCursorPos(1, 1)
    term.clear()
    print("Bye!..")
    sleep(1)
--  os.shutdown()
    error()
end

--------------------------------------------------
-- Сохранение и загрузка
--------------------------------------------------

function SaveToFile()
    local file = fs.open(TEMP_FILE, "w")
    file.writeLine(mLayerOffset .. "")
    file.close()

    fs.delete(DATA_FILE)
    fs.move(TEMP_FILE, DATA_FILE)

    return 0
end

function LoadFromFile()
    local file = fs.open(DATA_FILE, "r")
    mLayerOffset = tonumber(file.readLine())
    file.close()

    return 0
end

--------------------------------------------------
-- Главный луп
--------------------------------------------------

function main ()
    FindMiners()

    if fs.exists(DATA_FILE) then
        LoadFromFile()
    end

    while true do
        UpdateAllMiners()
        RecalculateStatistics()

        DrawBackground()
        WriteStats()
        WriteButtonsExplanation ()

        local timeout = os.startTimer(REFRESH_RATE)
        while true do

            event = {os.pullEvent()}

            if event[1] == "key" then
                if event[2] == 50 then              -- M - mining
                    CommandAllMiners("mine")
                elseif event[2] == 16 then          -- Q - quarry
                    CommandAllMiners("quarry")
                elseif event[2] == 31 then          -- S - stop
                    CommandAllMiners("stop")
                elseif event[2] == 24 then          -- O - offset
                    DrawBackground()
                    ReceiveOffset()
                    SaveToFile()
                    break
                elseif event[2] == 19 then          -- R - refresh
                    break
                elseif event[2] == 45 then          -- X - shutdown
                    Shutdown()
                elseif event[2] == 22 then          -- u
                    updateSoftware()
                end
                local timeout2 = os.startTimer(REFRESH_RATE)

            elseif event[1] == "timer" and event[2] == timeout then
                break
            end
        end
    end
end
main()