-- Advanced Key Card Lock with Override and Logs by Simsfreak63

term.clear()

redstoneoutputside = "top"  -- change this to the side you the redstone signal to be sent to
password = "offblast" -- change this to your password
adminpassword = "afterban" -- change this to admin password. admin can override the lock and open the door, but only from inside
location = "Front Door" -- change this to the location you want to appear in the log
logger = 6  -- change this to the id of the computer keeping the log

redstone.setOutput(redstoneoutputside,true)
rednet.open("left")  -- change this to the position of your modem
local w,h = term.getSize()

function lock()
while true do
  term.clear()
  term.setCursorPos((w/2)-6, 2)
  print("Lock Engaged")
  while true do
    event, back = os.pullEvent("disk")
    if fs.exists("disk/password") == true then
    sFile = "disk/password"
      hRead = fs.open(sFile, "r")
      sPass = hRead.readLine()
      user = hRead.readLine()
      hRead.close()
      if sPass == password then
        redstone.setOutput(redstoneoutputside,false)
        rednet.send(logger,"log")
        rednet.send(logger,"User "..user.." entered ["..location.."] at "..textutils.formatTime(os.time(),false)..".",false)
        os.reboot()
      else
        sleep(3)
        os.reboot()
      end
    end
  end
end
end

local sOverride = false

local function passwordinput()
  while true do
    term.setCursorPos(w/2-15, h/2-1)
    print("Enter Passord to Override Lock")
    term.setCursorPos(w/2-3, h/2)
    local password = read("*")
    if password == adminpassword then
      term.clear()
      term.setCursorPos(2, h/2)
      print("Access Granted. Press Enter to override lock or")
      term.setCursorPos(w/2-10, h/2+1)
      print("Backspace to cancel.")
      keyboardinput()
    else
      term.clear()
      term.setCursorPos(w/2-15, h/2)
      print("Access Denied. Resetting Lock.")
      sleep(2)
      os.reboot()
    end
  end
end

function keyboardinput()
  while true do
    local sEvent, param = os.pullEvent()
    if sEvent == "key" then
      if param == 28 then
        if sOverride == false then
          redstone.setOutput(redstoneoutputside, false)
          term.clear()
          term.setCursorPos(4, h/2)
          print("Door open. Press Enter again to Reset Lock.")
          sOverride = true
        else
          os.reboot()
        end
      elseif param == 14 then
        os.reboot()
      end
    end
  end
end

parallel.waitForAll(lock,passwordinput)