Fluid Monitoring System (worknprogress)

------------------test zone---------------------
local function getFluidList()
    local list = {
        { fluidName = "Water", fluidAmount = 64000, fluidCapacity = 64000 },        -- test fluid that is at 100% full
        { fluidName = "Latex", fluidAmount = 48000, fluidCapacity = 64000 },        -- test fluid that is at 75% full
        { fluidName = "Lava", fluidAmount = 64000, fluidCapacity = 128000 },        -- test fluid that is at 50% full
        { fluidName = "Steam", fluidAmount = 32000, fluidCapacity = 128000 },       -- test fluid that is at 25% full
        { fluidName = "Menril Resin", fluidAmount = 10000, fluidCapacity = 16000 }, -- test fluid with a long name
        { fluidName = "Molten Cobalt", fluidAmount = 42000, fluidCapacity = 69000 },-- test fluid with a long name
        { fluidName = "Liquid Hydrofloric Acid", fluidAmount = 42000, fluidCapacity = 69000 },-- test fluid with a even longer name
        { fluidName = "Liquid Uranium Hexaflorid", fluidAmount = 42000, fluidCapacity = 69000 },-- test fluid with a even longer name
    }
    return list
end

local fluidList = getFluidList()
term.clear()
term.setCursorPos(1,1)
for i=1, #fluidList do
        local name = fluidList[i].fluidName
        local amount = fluidList[i].fluidAmount
        local capacity = fluidList[i].fluidCapacity
        print(name..": "..tostring(amount).."/"..tostring(capacity))
    end
----------- local variables ---------------------
local mon = peripheral.find "monitor"
local monName = peripheral.getName(mon)


--monitor size--
mon.setTextScale(0.5)
local monX, monY = mon.getSize()



----------- Functions ---------------------
function clear()
    mon.setBackgroundColor(colors.black)
    mon.clear()
    mon.setCursorPos(1,1)
end

function draw_text(x, y, text, text_color, bg_color)
    mon.setBackgroundColor(bg_color)
    mon.setTextColor(text_color)
    mon.setCursorPos(x,y)
    mon.write(text)
end

function draw_line(x, y, length, color)
    mon.setBackgroundColor(color)
    mon.setCursorPos(x,y)
    mon.write(string.rep(" ", length))
end

function progress_bar(x, y, length, minVal, maxVal, bar_color, bg_color)
      draw_line(x, y, length, bg_color) --backgoround bar
      local barSize = math.floor((minVal/maxVal) * length)
      draw_line(x, y, barSize, bar_color) --progress so far
end

------------------Fluid Level---------------------
clear()
local fluidList = getFluidList()
draw_text(2, 2, "Fluid Monitoring System", colors.yellow, colors.black)
for i=1, #fluidList do
    local name = fluidList[i].fluidName
    local amount = fluidList[i].fluidAmount
    local capacity = fluidList[i].fluidCapacity
    local percent = math.floor((amount/capacity)*100)
    draw_text(2, (3*i)+1, name, colors.yellow, colors.black)
    if percent < 100 then
        draw_text(monX-4, (3*i)+1, " "..percent.."%", colors.white, colors.black)
    else
        draw_text(monX-4, (3*i)+1, percent.."%", colors.white, colors.black)
    end
    if percent < 25 then
        progress_bar(2, (3*i)+2, monX-2, amount, capacity, colors.red, colors.gray)
    elseif percent < 50 then
        progress_bar(2, (3*i)+2, monX-2, amount, capacity, colors.orange, colors.gray)
    elseif percent < 75 then
        progress_bar(2, (3*i)+2, monX-2, amount, capacity, colors.yellow, colors.gray)
    elseif percent <= 100 then
        progress_bar(2, (3*i)+2, monX-2, amount, capacity, colors.lime, colors.gray)
    end
end