Modified Kraken's Reactor Control

-- ****************************************************** --
-- ****************************************************** --
-- **             Reactor Madness Program              ** --
-- **                 for Big Reactor                  ** --
-- **                Written by krakaen                ** --
-- **                  Video Tutorial                  ** --
-- **   https://www.youtube.com/watch?v=SbbT7ncyS2M    ** --
-- ****************************************************** --
-- ****************************************************** --

-- ******** Version 0.1 Changelog (02/16/2016) ********
-- Changed currentRFTotal to 1 (makes power show at start)

-- ******** Version 0.2 Changelog (02/16/2016) ********
-- Added fuel usage (mb/t)
-- Added function round
-- Added function comma_value
-- Added function format_num

-- ******** Version 0.3 Changelog (02/17/2016) ********
-- Change Rod looking for 0 instead of 1


local monitors = {peripheral.find("monitor")}
local mon = monitors[1]
local reactors = {peripheral.find("BigReactors-Reactor")}

local button={}
local filleds = {}
local boxes = {}
local lines = {}
local texts = {}

local refresh = true

local infosSize = {}
local contorlsSize = {}
local numbersSize = {}
local currentRfTotal = 1
local currentRfTick = 1
local currentFuelConsumedLastTick = 0.00001


local rfPerTickMax = 1
local minPower = 0
local maxPower = 100
local currentRodLevel = 1

-- you need to give the index to be able to use the program
-- ex : NameOfProgram Index   (reactor Krakaen)

local args = { ... }
local index = ""

if (#args == 0) then
    error("No index Given")
end

if (#args == 1) then
    index = args[1]
end

-- use the black thingy sponge to clear the chalkboard

term.redirect(mon)
mon.clear()
mon.setTextColor(colors.white)
mon.setBackgroundColor(colors.black)

function clearTable()
    button = {}
end

-- All the things that make my buttons work

function setButton(name, title, func, xmin, ymin, xmax, ymax, elem, elem2, color)
    button[name] = {}
    button[name]["title"] = title
    button[name]["func"] = func
    button[name]["active"] = false
    button[name]["xmin"] = xmin
    button[name]["ymin"] = ymin
    button[name]["xmax"] = xmax
    button[name]["ymax"] = ymax
    button[name]["color"] = color
    button[name]["elem"] = elem
    button[name]["elem2"] = elem2
end

-- stuff and things for buttons

function fill(text, color, bData)
   mon.setBackgroundColor(color)
   mon.setTextColor(colors.white)
   local yspot = math.floor((bData["ymin"] + bData["ymax"]) /2)
   local xspot = math.floor((bData["xmax"] - bData["xmin"] - string.len(bData["title"])) /2) +1
   for j = bData["ymin"], bData["ymax"] do
      mon.setCursorPos(bData["xmin"], j)
      if j == yspot then
         for k = 0, bData["xmax"] - bData["xmin"] - string.len(bData["title"]) +1 do
            if k == xspot then
               mon.write(bData["title"])
            else
               mon.write(" ")
            end
         end
      else
         for i = bData["xmin"], bData["xmax"] do
            mon.write(" ")
         end
      end
   end
   mon.setBackgroundColor(colors.black)
end

-- stuff and things for buttons

function screen()
   local currColor
   for name,data in pairs(button) do
      local on = data["active"]
      currColor = data["color"]
      fill(name, currColor, data)
   end
end

-- stuff and things for buttons

function flash(name)

    screen()
end

-- magical handler for clicky clicks

function checkxy(x, y)
   for name, data in pairs(button) do
      if y>=data["ymin"] and  y <= data["ymax"] then
         if x>=data["xmin"] and x<= data["xmax"] then
            data["func"](data["elem"], data["elem2"])
            flash(data['name'])
            return true
            --data["active"] = not data["active"]
            --print(name)
         end
      end
   end
   return false
end

-- Don't question my code, it works on my machine...

function label(w, h, text)
   mon.setCursorPos(w, h)
   mon.write(text)
end

-- Draw function : put's all the beautiful magic in the screen

function draw()

    for key,value in pairs(filleds) do
        paintutils.drawFilledBox(value[1] , value[2], value[3], value[4], value[5])
    end

    for key,value in pairs(boxes) do
        paintutils.drawBox(value[1] , value[2], value[3], value[4], value[5])
    end

    for key,value in pairs(lines) do
        paintutils.drawLine(value[1] , value[2], value[3], value[4], value[5])
    end

    for key,value in pairs(texts) do
        mon.setCursorPos(value[1], value[2])
        mon.setTextColor(value[4])
        mon.setBackgroundColor(value[5])
        mon.write(value[3])
    end
    screen()
    resetDraw()
end

-- Resets the elements to draw to only draw the neccessity

function resetDraw()
    filleds = {}
    boxes = {}
    lines = {}
    texts = {}
end

-- Handles all the clicks for the buttons

function clickEvent()
    local myEvent={os.pullEvent("monitor_touch")}
    checkxy(myEvent[3], myEvent[4])
end

-- Power up the reactor (M&N are a good source of food right?)

function powerUp(m,n)
    local reactor = reactors[1]
    reactor.setActive(true)
end

-- Power down the reactor (M&N are a good source of food right?)

function powerDown(m,n)
    local reactor = reactors[1]
    reactor.setActive(false)
end

-- Handles and calculate the Min and Max of the power limitation

function modifyRods(limit, number)
    local tempLevel = 0

    if limit == "min" then
        tempLevel = minPower + number
        if tempLevel <= 0 then
            minPower = 0
        end

        if tempLevel >= maxPower then
            minPower = maxPower -10
        end

        if tempLevel < maxPower and tempLevel > 0 then
            minPower = tempLevel
        end
    else
        tempLevel = maxPower + number
        if tempLevel <= minPower then
            maxPower = minPower +10
        end

        if tempLevel >= 100 then
            maxPower = 100
        end

        if tempLevel > minPower and tempLevel < 100 then
            maxPower = tempLevel
        end
    end

    table.insert(lines, {contorlsSize['inX'], contorlsSize['inY'] +(contorlsSize['sectionHeight']*1)+4, contorlsSize['inX'] + contorlsSize['width'], contorlsSize['inY']+(contorlsSize['sectionHeight']*1)+4, colors.black})

    table.insert(texts, {contorlsSize['inX']+5, contorlsSize['inY'] +(contorlsSize['sectionHeight']*1)+4, minPower .. '%', colors.lightBlue, colors.black})
    table.insert(texts, {contorlsSize['inX']+13, contorlsSize['inY'] +(contorlsSize['sectionHeight']*1)+4, '--', colors.white, colors.black})
    table.insert(texts, {contorlsSize['inX']+20, contorlsSize['inY'] +(contorlsSize['sectionHeight']*1)+4, maxPower .. '%', colors.purple, colors.black})

    setInfoToFile()
    adjustRodsLevel()
end

-- Calculate and adjusts the level of the rods

function adjustRodsLevel()
    local reactor = reactors[1]
    local rfTotalMax = 10000000
    local currentRfTotal = reactor.getEnergyStored()

    differenceMinMax = maxPower - minPower

    maxPower = (rfTotalMax/100) * maxPower
    minPower = (rfTotalMax/100) * minPower

    if currentRfTotal >= maxPower then
        reactor.setActive(false)
    end

    if currentRfTotal <= minPower then
        reactor.setActive(true)
    end

    local rfInBetween = (rfTotalMax/100) * differenceMinMax
    local rodLevel = math.floor((currentRfTotal/rfInBetween)*100)

end

-- Creates the frame and the basic of the visual
-- Also adds the variables informations for placement of stuff and things

function addDrawBoxesSingleReactor()
    local w, h = mon.getSize()
    local margin = math.floor((w/100)*2)

    infosSize['startX'] = margin + 1
    infosSize['startY'] =  margin + 1
    infosSize['endX'] = (((w-(margin*2))/3)*2)-margin
    infosSize['endY'] = h - margin
    infosSize['height'] = infosSize['endY']-infosSize['startY']-(margin*2)-2
    infosSize['width'] = infosSize['endX']-infosSize['startX']-(margin*2)-2
    infosSize['inX'] = infosSize['startX'] + margin +1
    infosSize['inY'] = infosSize['startY'] + margin +1
    infosSize['sectionHeight'] = math.floor(infosSize['height']/3)

    table.insert(boxes, {infosSize['startX'] , infosSize['startY'], infosSize['endX'], infosSize['endY'], colors.gray})
    local name = "INFOS"
    table.insert(lines, {infosSize['startX'] + margin , infosSize['startY'], infosSize['startX'] + (margin*2) + #name+1, infosSize['startY'], colors.black})
    table.insert(texts, {infosSize['startX'] + (margin*2), infosSize['startY'], name, colors.white, colors.black})

    local names = {}
    names[1] = 'ENERGY LAST TICK'
    names[2] = 'ENERGY STORED'
    names[3] = 'CONTROL ROD LEVEL'

    for i=0,2,1 do
        table.insert(texts, {infosSize['inX'] + margin, infosSize['inY'] + (infosSize['sectionHeight']*i) +i, names[i+1], colors.white, colors.black})
        table.insert(filleds, {infosSize['inX'] , infosSize['inY'] + 2 + (infosSize['sectionHeight']*i) +i, infosSize['inX'] + infosSize['width'], infosSize['inY'] + (infosSize['sectionHeight']*(i+1))-2 +i, colors.lightGray})
    end


    -- Controls

    contorlsSize['startX'] = infosSize['endX'] + margin + 1
    contorlsSize['startY'] =  margin + 1
    contorlsSize['endX'] = w-margin
    contorlsSize['endY'] = (((h - (margin*2))/3)*2) +1
    contorlsSize['height'] = contorlsSize['endY']-contorlsSize['startY']-(margin)-1
    contorlsSize['width'] = contorlsSize['endX']-contorlsSize['startX']-(margin*2)-2
    contorlsSize['inX'] = contorlsSize['startX'] + margin +1
    contorlsSize['inY'] = contorlsSize['startY'] + margin

    table.insert(boxes, {contorlsSize['startX'] , contorlsSize['startY'], contorlsSize['endX'], contorlsSize['endY'], colors.gray})
    name = "CONTROLS"
    table.insert(lines, {contorlsSize['startX'] + margin , contorlsSize['startY'], contorlsSize['startX'] + (margin*2) + #name+1, contorlsSize['startY'], colors.black})
    table.insert(texts, {contorlsSize['startX'] + (margin*2), contorlsSize['startY'], name, colors.white, colors.black})

    contorlsSize['sectionHeight'] = math.floor(contorlsSize['height']/4)

    reactor = reactors[1]

    mon.setTextColor(colors.white)
    setButton("ON","ON", powerUp, contorlsSize['inX'], contorlsSize['inY'], contorlsSize['inX'] + math.floor(contorlsSize['width']/2) -1, contorlsSize['inY'] +2, 0, 0, colors.green)
    setButton("OFF","OFF", powerDown, contorlsSize['inX'] + math.floor(contorlsSize['width']/2) +2, contorlsSize['inY'], contorlsSize['inX'] + contorlsSize['width'], contorlsSize['inY'] +2,0, 0, colors.red)

    table.insert(texts, {contorlsSize['inX']+8, contorlsSize['inY'] +(contorlsSize['sectionHeight']*1)+1, 'AUTO-CONTROL', colors.white, colors.black})

    table.insert(texts, {contorlsSize['inX']+5, contorlsSize['inY'] +(contorlsSize['sectionHeight']*1)+3, 'MIN', colors.lightBlue, colors.black})
    table.insert(texts, {contorlsSize['inX']+5, contorlsSize['inY'] +(contorlsSize['sectionHeight']*1)+4, minPower..'%', colors.lightBlue, colors.black})

    table.insert(texts, {contorlsSize['inX']+13, contorlsSize['inY'] +(contorlsSize['sectionHeight']*1)+4, '--', colors.white, colors.black})
    table.insert(texts, {contorlsSize['inX']+20, contorlsSize['inY'] +(contorlsSize['sectionHeight']*1)+3, 'MAX', colors.purple, colors.black})
    table.insert(texts, {contorlsSize['inX']+20, contorlsSize['inY'] +(contorlsSize['sectionHeight']*1)+4, maxPower..'%', colors.purple, colors.black})
    mon.setTextColor(colors.white)

    setButton("low-10","-10", modifyRods, contorlsSize['inX'], contorlsSize['inY'] +(contorlsSize['sectionHeight']*2)+2, contorlsSize['inX'] + math.floor(contorlsSize['width']/2) -1, contorlsSize['inY'] +(contorlsSize['sectionHeight']*2)+4, "min", -10, colors.lightBlue)
    setButton("high-10","-10", modifyRods, contorlsSize['inX'] + math.floor(contorlsSize['width']/2) +2, contorlsSize['inY'] +(contorlsSize['sectionHeight']*2)+2, contorlsSize['inX'] + contorlsSize['width'], contorlsSize['inY'] +(contorlsSize['sectionHeight']*2)+4, "max", -10, colors.purple)

    setButton("low+10","+10", modifyRods, contorlsSize['inX'], contorlsSize['inY'] +(contorlsSize['sectionHeight']*3)+2, contorlsSize['inX'] + math.floor(contorlsSize['width']/2) -1, contorlsSize['inY'] +(contorlsSize['sectionHeight']*3)+4, "min", 10, colors.lightBlue)
    setButton("high+10","+10", modifyRods, contorlsSize['inX'] + math.floor(contorlsSize['width']/2) +2, contorlsSize['inY'] +(contorlsSize['sectionHeight']*3)+2, contorlsSize['inX'] + contorlsSize['width'], contorlsSize['inY'] +(contorlsSize['sectionHeight']*3)+4, "max", 10, colors.purple)

    -- Numbers

    numbersSize['startX'] = infosSize['endX'] + margin + 1
    numbersSize['startY'] = contorlsSize['endY'] + margin + 1
    numbersSize['endX'] = w-margin
    numbersSize['endY'] = h-margin
    numbersSize['height'] = numbersSize['endY']-numbersSize['startY']-(margin)-1
    numbersSize['width'] = numbersSize['endX']-numbersSize['startX']-(margin*2)-2
    numbersSize['inX'] = numbersSize['startX'] + margin +1
    numbersSize['inY'] = numbersSize['startY'] + margin

    table.insert(boxes, {numbersSize['startX'] , numbersSize['startY'], numbersSize['endX'], numbersSize['endY'], colors.gray})
    name = "NUMBERS"
    table.insert(lines, {numbersSize['startX'] + margin , numbersSize['startY'], numbersSize['startX'] + (margin*2) + #name+1, numbersSize['startY'], colors.black})
    table.insert(texts, {numbersSize['startX'] + (margin*2), numbersSize['startY'], name, colors.white, colors.black})

    refresh = true
    while refresh do
        parallel.waitForAny(refreshSingleReactor,clickEvent)
    end
end

-- Makes and Handles the draw function for less lag in the visual

function refreshSingleReactor()
    local rfPerTick = 0
    local rfTotal = 0
    local rfTotalMax = 10000000
    local reactor = reactors[1]

    rfTotal = reactor.getEnergyStored()
    rfPerTick = math.floor(reactor.getEnergyProducedLastTick())
    rodLevel = math.floor(reactor.getControlRodLevel(0))
    fuelPerTick = reactor.getFuelConsumedLastTick();

    local i = 0
    local infotoAdd = 'RF PER TICK : '

    if currentRfTick ~= rfPerTick then
        currentRfTick = rfPerTick
        if rfPerTick > rfPerTickMax then
            rfPerTickMax = rfPerTick
        end

        table.insert(lines, {numbersSize['inX'] , numbersSize['inY'],numbersSize['inX'] + numbersSize['width'] , numbersSize['inY'], colors.black})
        table.insert(texts, {numbersSize['inX'], numbersSize['inY'], infotoAdd .. rfPerTick .. " RF", colors.white, colors.black})
        table.insert(filleds, {infosSize['inX'] , infosSize['inY'] + 1 + (infosSize['sectionHeight']*i) +i, infosSize['inX'] + infosSize['width'], infosSize['inY'] + (infosSize['sectionHeight']*(i+1))-2 +i, colors.lightGray})

        width = math.floor((infosSize['width'] / rfPerTickMax)*rfPerTick)
        table.insert(filleds, {infosSize['inX'] , infosSize['inY'] + 1 + (infosSize['sectionHeight']*i) +i, infosSize['inX'] + width, infosSize['inY'] + (infosSize['sectionHeight']*(i+1))-2 +i, colors.green})

    end

    i = 1
    infotoAdd = 'ENERGY STORED : '
    if currentRfTotal ~= rfTotal then
        currentRfTotal = rfTotal

        table.insert(filleds, {infosSize['inX'] , infosSize['inY'] + 1 + (infosSize['sectionHeight']*i) +i, infosSize['inX'] + infosSize['width'], infosSize['inY'] + (infosSize['sectionHeight']*(i+1))-2 +i, colors.lightGray})

        width = math.floor((infosSize['width'] / rfTotalMax)*rfTotal)
        table.insert(filleds, {infosSize['inX'] , infosSize['inY'] + 1 + (infosSize['sectionHeight']*i) +i, infosSize['inX'] + width, infosSize['inY'] + (infosSize['sectionHeight']*(i+1))-2 +i, colors.green})
        table.insert(lines, {numbersSize['inX'] , numbersSize['inY'] +2 ,numbersSize['inX'] + numbersSize['width'] , numbersSize['inY'] +2, colors.black})
        table.insert(texts, {numbersSize['inX'], numbersSize['inY']+ 2 , infotoAdd .. rfTotal .. " RF", colors.white, colors.black})
    end

    i = 2
    infotoAdd = 'CONTROL ROD LEVEL : '
    if currentRodLevel ~= rodLevel then
        currentRodLevel = rodLevel

        table.insert(filleds, {infosSize['inX'] , infosSize['inY'] + 1 + (infosSize['sectionHeight']*i) +i, infosSize['inX'] + infosSize['width'], infosSize['inY'] + (infosSize['sectionHeight']*(i+1))-2 +i, colors.lightGray})

        width = math.floor((infosSize['width'] / 100)*rodLevel)
        table.insert(filleds, {infosSize['inX'] , infosSize['inY'] + 1 + (infosSize['sectionHeight']*i) +i, infosSize['inX'] + width, infosSize['inY'] + (infosSize['sectionHeight']*(i+1))-2 +i, colors.green})
        table.insert(lines, {numbersSize['inX'] , numbersSize['inY']+4 ,numbersSize['inX'] + numbersSize['width'] , numbersSize['inY'] +4, colors.black})
        table.insert(texts, {numbersSize['inX'], numbersSize['inY']+ 4 , infotoAdd .. rodLevel .. "%", colors.white, colors.black})
    end

    i = 3
    infotoAdd = 'FUEL USAGE : '
    if currentFuelConsumedLastTick ~= fuelPerTick then
        currentFuelConsumedLastTick = fuelPerTick

        table.insert(lines, {numbersSize['inX'] , numbersSize['inY']+6 ,numbersSize['inX'] + numbersSize['width'] , numbersSize['inY'] +6, colors.black})
        table.insert(texts, {numbersSize['inX'], numbersSize['inY']+ 6 , infotoAdd .. format_num(tonumber(fuelPerTick),3) .. "mb/t", colors.white, colors.black})
    end

    mon.setTextColor(colors.white)
    adjustRodsLevel()

    draw()

    sleep(2)
end

--
-- ** Get the informations from the index file
-- line 1 = min ROD
-- line 2 = max ROD
--

function getInfoFromFile()

     if (fs.exists(index..".txt") == false) then
        file = io.open(index..".txt","w")
        file:write("0")
        file:write("\n")
        file:write("100")
        file:close()
    else
        file = fs.open(index..".txt","r")
        minPower = tonumber(file.readLine())
        maxPower = tonumber(file.readLine())
        file.close()
    end
end

-- Save informations to the index file

function setInfoToFile()
    file = io.open(index..".txt","w")
    file:write(minPower .. "\n" .. maxPower)
    file:flush()
    file:close()
end

---============================================================
-- add comma to separate thousands
-- From Lua-users.org/wiki/FormattingNumbers
--
--
function comma_value(amount)
  local formatted = amount
  while true do
    formatted, k = string.gsub(formatted, "^(-?%d+)(%d%d%d)", '%1,%2')
    if (k==0) then
      break
    end
  end
  return formatted
end

---============================================================
-- rounds a number to the nearest decimal places
-- From Lua-users.org/wiki/FormattingNumbers
--
--
function round(val, decimal)
  if (decimal) then
    return math.floor( (val * 10^decimal) + 0.5) / (10^decimal)
  else
    return math.floor(val+0.5)
  end
end

--===================================================================
-- given a numeric value formats output with comma to separate thousands
-- and rounded to given decimal places
-- From Lua-users.org/wiki/FormattingNumbers
--
function format_num(amount, decimal, prefix, neg_prefix)
  local str_amount,  formatted, famount, remain

  decimal = decimal or 2  -- default 2 decimal places
  neg_prefix = neg_prefix or "-" -- default negative sign

  famount = math.abs(round(amount,decimal))
  famount = math.floor(famount)

  remain = round(math.abs(amount) - famount, decimal)

        -- comma to separate the thousands
  formatted = comma_value(famount)

        -- attach the decimal portion
  if (decimal > 0) then
    remain = string.sub(tostring(remain),3)
    formatted = formatted .. "." .. remain ..
                string.rep("0", decimal - string.len(remain))
  end

        -- attach prefix string e.g '$'
  formatted = (prefix or "") .. formatted

        -- if value is negative then format accordingly
  if (amount<0) then
    if (neg_prefix=="()") then
      formatted = "("..formatted ..")"
    else
      formatted = neg_prefix .. formatted
    end
  end

  return formatted
end

-- Clear and make the pixel smaller because we are not blind

mon.setBackgroundColor(colors.black)
mon.clear()
mon.setTextScale(0.5)

-- Get the information from the index file
getInfoFromFile()


-- Add's the visual and starts the Loop
addDrawBoxesSingleReactor()