Vendita

-- FoxInvest Holding
----------------------
-- Titanus Elios
-- Gestione del LATTE
-----------------------


maxw, maxh = term.getSize()
local function drawPixelInternal(xPos, yPos)
    term.setCursorPos(xPos, yPos)
    term.write(" ")
end

local tColourLookup = {}
for n = 1, 16 do
    tColourLookup[string.byte("0123456789abcdef", n, n)] = 2 ^ (n - 1)
end

function drawFilledBox(startX, startY, endX, endY, nColour)
    if type(startX) ~= "number" or type(startX) ~= "number" or type(endX) ~=
        "number" or type(endY) ~= "number" or
        (nColour ~= nil and type(nColour) ~= "number") then
        error("Expected startX, startY, endX, endY, colour", 2)
    end

    startX = math.floor(startX)
    startY = math.floor(startY)
    endX = math.floor(endX)
    endY = math.floor(endY)

    if nColour then term.setBackgroundColor(nColour) end
    if startX == endX and startY == endY then
        drawPixelInternal(startX, startY)
        return
    end

    local minX = math.min(startX, endX)
    if minX == startX then
        minY = startY
        maxX = endX
        maxY = endY
    else
        minY = endY
        maxX = startX
        maxY = startY
    end

    for x = minX, maxX do for y = minY, maxY do drawPixelInternal(x, y) end end
end

function clear()
    sfondo(colors.black)
    term.clear()
    term.setCursorPos(1, 1)
end

function clearRed()
    sfondo(colors.red)
    term.clear()
    term.setCursorPos(1, 1)
end

function titolo(testo)
    drawFilledBox(1, 1, maxw, 1, colors.white)
    term.setCursorPos((maxw - #testo) / 2, 1)
    term.setTextColor(colors.black)
    term.write(testo)
    no()
end

function bottone(color, text, x, y)
   term.setBackgroundColor(colors[color])
   term.setTextColor(colors.white)
   term.setCursorPos(x, y)
   print(text)
end

function alarm(color, text)
   term.setBackgroundColor(colors[color])
   term.setTextColor(colors.white)
   print(" "..text.." ")
   no()
end

function getInput(id)
   rednet.send(id, "status")
   local rID, message = rednet.receive(2)
   return message
end

p = peripheral.wrap("back")

var = 1
while true do
  -- Recupero lo stato del tank
  local a, b, c, b1 = p.get(1)
  amount = b1.amount
  -- Stato
   term.setBackgroundColor(colors.black)
   term.setTextColor(colors.white)
   term.clear()
   titolo("Vendita di Carburanti")
   term.setBackgroundColor(colors.black)
   term.setTextColor(colors.white)
  if var == 1 then
    print("\nPer iniziare a vendere il carburante, premi il bottone!\n\nOvviamente prima di premere il bottone svuota interamente il carico dal treno!");
    bottone("blue", " VENDI ", 10, 10)
    -- Eventi
    local event, button, x, y = os.pullEvent("mouse_click")
    if y == 10 and x >= 10 and x <= 18 then
      var = 2
    end
  elseif var == 2 then
    -- 3811 -> Condensato | 21270 -> Gas metano | 163 -> Petrolio
    colo = {}
    names = {}
    price = {}
    colo[3811] = "lightBlue"
    colo[21270] = "pink"
    colo[163] = "gray"
    names[3811] = "Condensato"
    names[21270] = "Gas Metano"
    names[163] = "Petrolio"
    price[3811] = 1,2
    price[21270] = 0,8
    price[163] = 0,2
    tto = colo[b1.liquidId]
   term.setBackgroundColor(colors[tto])
   term.setTextColor(colors.white)
    print("\n" .. names[b1.liquidId])
    print("\n\nIC/litro: " .. price[b1.liquidId])
    print("\n\nQuantita': " .. b1.amount .. "/" .. b1.capacity)
    print("Paga totale: " .. b1.amount + price[b1.liquidId])
  end
  sleep(0,5)
end