--Hardware Variables--
local m1 = peripheral.wrap("monitor_25")
local m2 = peripheral.wrap("monitor_3")
local m3 = peripheral.wrap("monitor_23")
local m4 = peripheral.wrap("monitor_22")
local r1 = peripheral.wrap("BigReactors-Reactor_2")
local t1 = peripheral.wrap("BigReactors-Turbine_1")
local t2 = peripheral.wrap("BigReactors-Turbine_0")

--Control Button Toggle --
function btn(y,state)

  if state == "on" then
    m1.setCursorPos(18,y)
    m1.setBackgroundColor(colors.green)
    m1.write(" ON ")
    m1.setCursorPos(25,y)
    m1.setBackgroundColor(colors.gray)
    m1.write(" OFF ")

    m1.setCursorPos(30,y)
  elseif state == "off" then
    m1.setCursorPos(18,y)
    m1.setBackgroundColor(colors.gray)
    m1.write(" ON ")
    m1.setCursorPos(25,y)
    m1.setBackgroundColor(colors.red)
    m1.write(" OFF ")

    m1.setCursorPos(30,y)
  end

end

--Start Program--

m1.clear()

--Reactor
r1.setActive(true)
m1.setCursorPos(1,1)
m1.setBackgroundColor(colors.black)
m1.write("Reactor")
btn(1,"on")

--Turbine 1
t1.setActive(true)
m1.setCursorPos(1,2)
m1.setBackgroundColor(colors.black)
m1.write("Turbine 1")
btn(2,"on")

--Turbine 2
t2.setActive(true)
m1.setCursorPos(1,3)
m1.setBackgroundColor(colors.black)
m1.write("Turbine 2")
btn(3,"on")

--Blast door
redstone.setOutput("top",false)
m1.setCursorPos(1,5)
m1.setBackgroundColor(colors.black)
m1.write("Blast Door")
btn(5,"off")

m1.setCursorPos(1,1)
m1.setBackgroundColor(colors.black)

while true do

--Button Press--
  os.startTimer(0.5)

  while true do
    local evt = {os.pullEvent()}
    if evt[1]=="timer" then
      break
    elseif evt[1]=="monitor_touch" then
      local x,y = evt[3],evt[4]
      if evt[2] == "monitor_25" then

        --ON--
        if x>=18 and x<=22 then
          btn(y,"on")

          if y==1 then
            r1.setActive(true)
          elseif y==2 then
            t1.setActive(true)
          elseif y==3 then
            t2.setActive(true)
          elseif y==4 then
            --blank line
          elseif y==5 then
            redstone.setOutput("top",true)
          end

        --OFF--
        elseif x>25 and x<=30 then
          btn(y,"off")

          if y==1 then
            r1.setActive(false)
          elseif y==2 then
            t1.setActive(false)
          elseif y==3 then
            t2.setActive(false)
          elseif y==4 then
            --blank line
          elseif y==5 then
            redstone.setOutput("top",false)
          end
        end
      end
    end
  end
end