startup

local oldPullEvent = os.pullEvent
os.pullEvent = os.pullEventRaw
breakclause = true
while breakclause do

 local file = fs.open(usernamedata,"r")
 local data = file.readAll()
 file.close()
 return textutils.unserialize(data)
 file = fs.open(passworddata,"r")
 file.close()
 return textutils.unserialize(data)
 file = fs.open(amountdata,"r")
 file.close()
 return textutils.unserialize(data)

 term.clear()
 term.setCursorPos(1,1)
 print("Welcome to VolcBank's Automated Teller System.")
 print("Please Select an option.")
 print("[1] Login")
 print("[2] Create a New Account")
 local startinput = read()
 if startinput == "CactiJammer" then
  print("Terminated")
  breakclause = false
 elseif startinput == "1" then
  term.clear()
  term.setCursorPos(1,1)

   print("Please Login Below.")
   write("Username: ")
   user = read()
   write("Password: ")
   pass = read("*")
   for i,v in ipairs(usernames) do
    if user == v then
     validuser = true
    end
    if validuser == true then
     if pass == passwords[i] then
      print("Logging in...")
      sleep(1)
      while true do
       term.clear()
       term.setCursorPos(1,1)
       print("What would you like to do today, "..usernames[i].."?")
       print("[1] Check Amount in Account")
       print("[2] Deposit")
       print("[3] Withdraw")
       print("[4] Change Password")
       print("[5] Logout")
       local input2 = read()
       if input2 == "1" then
        term.clear()
        term.setCursorPos(1,1)
        print("Amount in Account: "..amounts[i].."IC.")
        print("To deposit or withdraw, please return to the main page and select their corresponding options.")
        sleep(3)
        textutils.slowPrint("Returning to main page...")
        sleep(2)
       elseif input2 == "2" then
        term.clear()
        term.setCursorPos(1,1)
        print("How much would you like to deposit?")
        depamt = read()
        amounts[i] = amounts[i]+depamt
        print("Please place amount of IC deposited into chest above. When finished, type \"1\".")
        local depositans = read()
        if depositans == "1" then
         for num=1,depamt do
          rs.setOutput("back",true)
          sleep(1)
          rs.setOutput("back",false)
          num=num+1
         end
         sleep(1)
         print("You now have "..amounts[i].."IC in your account.")
         sleep(2)
         textutils.slowPrint("Returning to main page...")
         sleep(2)
        end
       elseif input2 == "3" then
        term.clear()
        term.setCursorPos(1,1)
        print("How much would you like to withdraw?")
        wdamt = read()
        if amounts[i]-wdamt ~= 0 then
         print("Error: withdrawal amount is less than amount in account. Please enter a different amount.")
         wdamt = read()
        else
         amounts[i] = amounts[i]-wdamt
         for num = 1,wdamt do
          rs.setOutput("bottom",true)
          sleep(1)
          rs.setOutput("bottom",false)
          num=num+1
         end
         sleep(1)
         print("You now have "..amounts[i].."IC in your account.")
         sleep(3)
         textutils.slowPrint("Returning to main page...")
         sleep(2)
        end
       elseif input2 == "4" then
        term.clear()
        term.setCursorPos(1,1)
        write("Enter your current password: ")
        currpass = read("*")
        if currpass == passwords[i] then
         write("Enter new password: ")
         newpass = read("*")
         write("Re-enter new password: ")
         newpass2 = read("*")
         if newpass == newpass2 then
          passwords[i] = newpass
          print("Password changed. Please login with your new details.")
          sleep(3)
          os.reboot()
         else
          print("New passwords do not match.")
          sleep(1)
         end
        else
         print("Password is incorrect. Please re-enter password.")
         sleep(3)
        end
       elseif input2 == "5" then
        save(usernames,usernamedata)
        save(passwords,passworddata)
        save(amounts.amountdata)
        print("Thank you for banking with VolcBank.")
        sleep(3)
        os.reboot()
       else
        print("Error: invalid command.")
        sleep(1)
       end
      end
     else
      print("Invalid username or password. Please try again.")
      sleep(2)
     end
    else
     print("Error: user not found.")
     sleep(2)
    end
   end
 elseif startinput == "2" then
  while true do
   term.clear()
   term.setCursorPos(1,1)
   print("Thank you for choosing VolcBank. Enter your details below.")
   write("Username: ")
   newuser = read()
   write("Password: ")
   newuserpass = read("*")
   for i,v in ipairs(usernames) do
    if newuser == v then
     print("Error. Username already taken.")
     sleep(2)
    else
     table.insert(usernames,newuser)
     table.insert(passwords,newuserpass)
     table.insert(amounts,64)
     save(usernames,usernamedata)
     save(passwords,passworddata)
     save(amounts,amountdata)
     print("New account created. Please login with new details to enter account.")
     sleep(3)
     os.reboot()
    end
   end
  end
 end
end