local onLevel = .20
local offLevel = .70
local usingInduction = false
local updateRate = .5
local reactor = peripheral.find("BiggerReactors_Reactor")
local m = peripheral.find("monitor")
local powerBank = peripheral.find("Induction Matrix")
local x,y = m.getSize()
local numbars = 0
local p = 0
local level = 0
local lastLevel = 0
local change = 0
local defaultMax = reactor.battery().capacity()
local numRods = reactor.controlRodCount()
local controlLevel = reactor.getControlRod(0).level()
local maxFuelTemp = 5000
local maxCasingTemp = 5000
m.setTextScale(1)
local maxPower = 0

if usingInduction and powerBank then
  maxPower = powerBank.getMaxEnergy() * .4
else
  maxPower = defaultMax
end

function getPowerUsage()
  return math.floor(reactor.battery().producedLastTick() - change)
end
function checkValue()
  if controlLevel > 100 then
    controlLevel = 100
  elseif controlLevel < 0 then
    controlLevel = 0
  end
end
function checkFiles()
  if not fs.exists("startup") then
    startFile = fs.open("startup", "w")
    startFile.write("multishell.launch({}, \"reactor\")")
    startFile.close()
  end
  if not fs.exists("update") then
    shell.run("pastebin","get","zbwpL7G7","update")
  end
end
function center(s)
  cx,cy = term.getCursorPos()
  term.setCursorPos((x/2) - (string.len(s)/2),cy)
  print(s)
end
function formatNumber(num)
  if num > 1000000000 then
    num = round(num/1000000000) .. "G"
  elseif num > 1000000 then
    num = round(num/1000000) .. "M"
  elseif num > 1000 then
    num = round(num/1000) .. "K"
  end
  return num

end
function round(num)
  return math.floor(num*1000) / 1000
end
checkFiles()
while true do
  if usingInduction then
    level = powerBank.getEnergy() *.4
  else
    level = reactor.battery().stored()
  end
  x,y = m.getSize()
  if level/maxPower < onLevel then
    reactor.setActive(true)
  end
  if level/maxPower > offLevel then
    reactor.setActive(false)
  end
  term.clear()
  term.setCursorPos(1,1)
  print("Current Level - " .. formatNumber(level))
  print("Current Level Raw- " .. level)
  print("Powered = " .. tostring(reactor.active()))
  print("Number of Control Rods - " .. numRods)
  print("\nHit Q to reboot Program.\nHit U to update.")
  print("Program written by RedStoner_Pro")

  timer = os.startTimer(updateRate)
  computer = term.redirect(m)
  term.clear()
  term.setCursorPos(1,1)
  center("Reactor Manager Monitor")
  -- Power Bar
  p = level/maxPower
  numBars = math.floor((x-4)*p)
  print("Energy")
  term.write(" |")
  term.setBackgroundColor(colors.red)
  if p > offLevel then
    term.setBackgroundColor(colors.green)
  elseif p > onLevel then
    term.setBackgroundColor(colors.yellow)
  end
  for i=1,numBars do
    term.write(" ")
  end
  term.setBackgroundColor(colors.black)
  cx,cy= term.getCursorPos()
  term.setCursorPos(x-1,cy)
  print("|")
  sLevel = formatNumber(level) .. " / ".. formatNumber(maxPower)
  center(sLevel)
  -- Fuel
  fP = reactor.fuelTank().fuel()/reactor.fuelTank().capacity()
  numFBars = math.floor((x-4)*fP)
  print("Fuel Amount")
  term.write(" |")
  term.setBackgroundColor(colors.yellow)
  for i=1,numFBars do
    term.write(" ")
  end
  term.setBackgroundColor(colors.black)
  cx,cy= term.getCursorPos()
  term.setCursorPos(x-1,cy)
  print("|")
  center(math.floor(reactor.fuelTank().fuel()) .. "/" .. math.floor(reactor.fuelTank().capacity()) )
  -- Case Temp
  caseTemp = reactor.casingTemperature()
  caseP = caseTemp/maxCasingTemp
  numCaseBars = math.floor((x-4)*caseP)
  print("Case Temperature")
  term.write(" |")
  if caseTemp > maxCasingTemp * .666 then
    term.setBackgroundColor(colors.red)
  elseif caseTemp > maxCasingTemp * .333 then
    term.setBackgroundColor(colors.green)
  else
    term.setBackgroundColor(colors.blue)
  end
  for i=1,numCaseBars do
    term.write(" ")
  end
  term.setBackgroundColor(colors.black)
  cx,cy= term.getCursorPos()
  term.setCursorPos(x-1,cy)
  print("|")
  center(math.floor(caseTemp) .. " Celcius")
  --Fuel Temp
  fuelTemp = reactor.fuelTemperature()
  fuelP = fuelTemp/maxFuelTemp
  numFuelBars = math.floor((x-4)*fuelP)
  print("Fuel Temperature")
  term.write(" |")
  if fuelTemp > maxFuelTemp * .666 then
    term.setBackgroundColor(colors.red)
  elseif fuelTemp > maxFuelTemp * .333 then
    term.setBackgroundColor(colors.green)
  else
    term.setBackgroundColor(colors.blue)
  end
  for i=1,numFuelBars do
    term.write(" ")
  end
  term.setBackgroundColor(colors.black)
  cx,cy= term.getCursorPos()
  term.setCursorPos(x-1,cy)
  print("|")
  center(math.floor(fuelTemp) .. " Celcius")
  -- Stats
  change = math.floor((level - lastLevel)/(20 * updateRate))
  print("Fuel Usage = " .. reactor.fuelTank().burnedLastTick() .. " mB/t")
  print("RF/T Created = " .. math.floor(reactor.battery().producedLastTick()))
  print("RF/T Used = " .. getPowerUsage())
  print("RF/T Internal Change = " .. change)
  -- Control Rod Modifiers
  term.setCursorPos(1,y-1)
  center("Control Rod Level = " .. controlLevel)
  term.setBackgroundColor(colors.red)
  term.setCursorPos(2,y)
  term.write(" -1 ")
  term.setCursorPos(7,y)
  term.write(" -10 ")
  term.setCursorPos((x/2-1),y)
  if reactor.active() then
    term.setBackgroundColor(colors.green)
  else
    term.setBackgroundColor(colors.red)
  end
  term.write("POWER")
  term.setBackgroundColor(colors.green)
  term.setCursorPos(x-4,y)
  term.write(" +1 ")
  term.setCursorPos(x-10,y)
  term.write(" +10 ")
  term.setBackgroundColor(colors.black)
  lastLevel = level
  term.redirect(computer)
  e = "nottimer"
  while e ~= "timer" do
    e,p1,p2,p3 = os.pullEvent()
    if e == "timer" then
      break
    elseif e == "key" and p1 == 16 then
      os.reboot()
      break
    elseif e == "key" and p1 == 22 then
      shell.run("update")
    elseif e == "monitor_touch" then
      if p3 == y then
        if p2 >= 2 and p2 <= 5 then
          controlLevel = controlLevel - 1
          checkValue()
          reactor.setAllControlRodLevels(controlLevel)
        elseif p2 >= 7 and p2 <= 11 then
          controlLevel = controlLevel - 10
          checkValue()
          reactor.setAllControlRodLevels(controlLevel)
        elseif p2 >= x-10 and p2 <= x-6 then
          controlLevel = controlLevel + 10
          checkValue()
          reactor.setAllControlRodLevels(controlLevel)
        elseif p2 >= x-4 and p2 <= x-1 then
          controlLevel = controlLevel + 1
          checkValue()
          reactor.setAllControlRodLevels(controlLevel)
        elseif p2 >= x/2-1 and p2 <= x/2+3 then
          if reactor.active() then
            reactor.setActive(false)
          else
            reactor.setActive(true)
          end
        end
      end
    end
  end
end