BlueBank Client 3.5

fileName = "client"
if(fs.exists(fileName) == true)then
    print("Installing BlueBank Client System")
    shell.run("rename "..fileName.." startup")
    sleep(5)
    os.reboot()
end

--[ BlueBank Client by TrumpetMiner v3.5
--[ pastebin get bpf4TVGb client
--[ Setup
log = 0  -- Don't Change This!
logU = "Guest" -- Don't Worry About This
side = nil
ser = nil    --  Change To Server's ID#
function getserver()
  local fname = "ServerID"
  if fs.exists(fname) then
        file = fs.open(fname, "r")
        ser = tonumber(file.readAll())
        file.close()
        print("Server ID: "..ser)
  else
        print("No server configured")
        print("This ID is: ".. os.getComputerID())
        term.write("Server ID: ")
        ser = io.read()
        file = fs.open(fname, "w")
        file.write(ser)
        file.close()
        ser = tonumber(ser)
  end
end
getserver()

-- Determine where the modem is.
print("Looking for modem,")
if peripheral.isPresent("left") and peripheral.getType("left")=="modem" then
  side = "left"
elseif peripheral.isPresent("right") and peripheral.getType("right")=="modem" then
  side = "right"
elseif peripheral.isPresent("top") and peripheral.getType("top")=="modem" then
  side = "top"
elseif peripheral.isPresent("back") and peripheral.getType("back")=="modem" then
  side = "back"
elseif peripheral.isPresent("bottom") and peripheral.getType("bottom")=="modem" then
  side = "bottom"
else
    print("No Modem Found")
    side = false
end
while side == false do

    sleep(5)
    shell.run("startup")

end
print("Modem found on "..side)
rednet.open(side)
-- Functions
function start()
 backC(8)
 textC(16)
 term.clear()
 cur(1,1)
 print("Welcome, "..logU)
 if log == 1 then
   cur(3,4)
   print "[Logout]"
   cur(3,6)
   print "[Balance]"
   cur(3,8)
   print "[Transfer]"
 else
   cur(3,4)
   print "[Login]"
   cur(3,6)
   print "[Create Account]"
 end
 event, button, X, Y = os.pullEvent("mouse_click")
 if X >= 3 and X <= 10 and Y == 4 and log == 0 then
   rednet.send(ser,"Login")
   term.clear()
   cur(3,4)
   write "User: "
   user = read()
   cur(3,5)
   write "Pass: "
   pass = read("*")
   rednet.send(ser,user)
   rednet.send(ser,pass)
   ser, message = rednet.receive()
   if message == "Login Successful" then
    log = 1
    logU = user
   end
   cur(3,2)
   print(message)
   sleep(1)
   start()
 elseif X >= 3 and X <= 10 and Y == 4 and log == 1 then
   log = 0
   logU = "Guest"
   start()
 elseif X >= 3 and X <= 11 and Y == 6 and log == 1 then
   rednet.send(ser,"Balance")
   sleep(.5)
   rednet.send(ser,logU)
   ser, bal = rednet.receive()
   term.clear()
   cur(1,1)
   print("Balance is $"..bal)
   os.pullEvent("mouse_click")
   start()
 elseif X >= 3 and X <= 12 and Y == 8 and log == 1 then
   rednet.send(ser,"Transfer")
   term.clear()
   cur(3,4)
   write "Amount: $"
   am = read()
   cur(3,6)
   write "To User: "
   user2 = read()
   rednet.send(ser,logU)
   rednet.send(ser,user2)
   rednet.send(ser,am)
   id, message = rednet.receive()
   cur(3,2)
   print(message)
   os.pullEvent("mouse_click")
   start()
 elseif X >= 3 and X <= 18 and Y == 6 and log == 0 then
   term.clear()
   cur(3,4)
   write "Username: "
   user = read()
   term.clear()
   cur(3,4)
   write "Passcode: "
   pass = read()
   term.clear()
   rednet.send(ser,"Create")
   rednet.send(ser,user)
   rednet.send(ser,pass)
   id, msg = rednet.receive()
   cur(3,4)
   print(msg)
   os.pullEvent("mouse_click")
   start()
 else
   start()
 end
end
function cur(cX,cY)
 term.setCursorPos(cX,cY)
end
function backC(color)
 term.setBackgroundColor(color)
end
function textC(color)
 term.setTextColor(color)
end
-- Programs
start()