print("Starting kiosk...")

local screenWidth, screenHeight = term.getSize()

function initKiosk()
    term.setBackgroundColor(colors.white)

    term.clear()

    term.setTextColor(colors.black)
    term.setCursorPos(2, 2)
    term.write("Szymekk's Kiosk - super gazety w super cenie!")
end

function initPeripherals()
    energyCube = peripheral.wrap("mekanism_machine_0")
    sensor = peripheral.wrap("openperipheral_sensor_0")
    noteBlock = peripheral.wrap("note_block_0")
end

function drawProgressBar(y, text, factor, centerText)
    centerText = centerText or ""

    local offset = 1
    local barColor1 = "5"
    local barColor2 = "e"

    term.setTextColor(colors.black)
    term.setCursorPos(1 + offset, y)
    term.write(text)

    local barWidth = math.floor(screenWidth * 0.75)

    local blitText = { }
    local blitFgStr = { }
    local blitBgStr = { }
    for i = 0, barWidth do
        blitText[#blitText + 1] = " "
        blitFgStr[#blitFgStr + 1] = "f"
        blitBgStr[#blitBgStr + 1] = (i / barWidth) <= factor + 0.01 and barColor1 or barColor2
    end

    for i = 1, #centerText do
        local textOffset = math.floor((barWidth / 2) - (#centerText / 2))
        blitText[textOffset + i] = string.sub(centerText, i, i)
    end

    blitText = table.concat(blitText)
    blitBgStr = table.concat(blitBgStr)
    blitFgStr = table.concat(blitFgStr)

    term.setCursorPos(screenWidth - offset - barWidth, y)
    term.blit(blitText, blitFgStr, blitBgStr)
end

function enterLoop()
    while true do
        loop()
        os.sleep(1)
    end
end

function loop()
    -- Energy cube

    local energyCur = energyCube.getEnergyStored()
    local energyMax = energyCube.getMaxEnergyStored()

    drawProgressBar(4, "Energia", energyCur / energyMax, energyCur .. " / " .. energyMax .. " RF")

    drawProgressBar(6, "Drama", 0.2, "Low")

    -- Sensor

    local players = sensor.getPlayers()

    local foundPly = false
    for k, v in pairs(players) do
        if(v.name == "szymski") then
            foundPly = true
            break
        end
    end
    local foundSomeoneElse = not foundPly and #players ~=  0

    if foundPly then
        term.setCursorPos(2, 8)
        term.write("Czesc, Szymekk!")
    else
        term.setCursorPos(2, 8)
        term.write("                                 ")
    end

    if foundSomeoneElse then
        noteBlock.playSound("random.levelup", 0.7, 1)
        os.sleep(0.5)
        noteBlock.playSound("random.levelup", 0.3, 1)
        os.sleep(0.5)
        noteBlock.playSound("random.levelup", 0.1, 1)

        term.setCursorPos(2, 8)
        term.write("Wynocha, " .. players[1].name .. "!")
    end
end

initKiosk()
initPeripherals()
enterLoop()