startup

peripheral.wrap("back")
rednet.open("back")

logged = false
user = " "
pass = " "

function printList()
print(" ")
print("logout")
print("toggle lift tb")
print("toggle main gate")
print("toggle main portcullis")
print("toggle tower drawbridge")

os.pullEvent("key")
end

function unlog()
  logged = false
  user = " "
  pass = " "
end

function home()
  term.clear()
  term.setTextColor(colors.yellow)
  term.setCursorPos(1,1)
  print("Stendarr OS - TEXT ENABLED")
  print("")
  term.setTextColor(colors.white)
  if logged == false then
    logIn()
  else
    enterCommand()
  end
end

function logIn()
 print("=====================")
 print("| Enter Credentials |")
 print("| Username:         |")
 print("| Access Code:      |")
 print("|                   |")
 print("| Access:           |")
 print("=====================")
 term.setCursorPos(12, 5)
 username = io.read()
 term.setCursorPos(15, 6)
 code = io.read()
 if username == "WSearle" then
   if code == "9465" then
     user = "Will"
     pass = "9465"
     logged = true
   end
 elseif username == "RDucker" then
   if code == "7245" then
     user = "Rowan"
     logged = true
     pass = "7245"
   end
 elseif username == "BHorncastle" then
   if code == "7326" then
     user = "Brandon"
     logged = true
     pass = "7326"
   end
 end
 term.setCursorPos(10, 8)
 if logged == true then
   term.setTextColor(colors.green)
   term.write("Granted")
 else
   term.setTextColor(colors.red)
   term.write("Denied")
 end
 sleep(3)
end

function enterCommand()
  print("Welcome, " .. user)
  print("Type 'list' for commands.")
  print(" ")
  command = io.read()
  if command == "list" then
    printList()
  elseif command == "toggle lift tb" then
    toggleLiftTB()
  elseif command == "logout" then
    unlog()
  elseif command == "toggle main gate" then
    toggleMainGate()
  elseif command == "toggle main portcullis" then
    toggleMainPortcullis()
  elseif command == "toggle tower drawbridge" then
    toggleTowerDrawbridge()
  end
end

function toggleMainGate()
  toggleSystem(6)
end

function toggleMainPortcullis()
  toggleSystem(5)
end

function toggleTowerDrawbridge()
  toggleSystem(7)
end

function toggleLiftTB()
  toggleSystem(2)
end

function toggleSystem(rID)
 print(" ")
 print("Establishing connection...")
 print("connect - " .. pass)
 rednet.send(rID,pass)

 local myTimer = os.startTimer(5)

   while true do
     event,id,msg = os.pullEvent()
     if event == "timer" then
       print("Failed to Connect")
       break

     elseif event == "rednet_message" then
       print("Confirmed")
       rednet.send(rID,"toggle")
       break

     end
   end
 os.pullEvent("key")
end

while true do
  home()
end