-- PRO BANK
os.pullEvent = os.pullEventRaw
rednet.open("bottom")
serverID = 1
printer = peripheral.wrap("bottom")
w, h = term.getSize()
select1 = {"[ Login ]", 6}
select2 = {"Create Account", 9}
loginItems = {"Username: ", "Password: "}
newAccountItems = {"New Username: ", "New Password: "}
bankItems = {"[ Deposit ]", "  Withdraw  ", "  Transfer  ", "  Logout  "}
bankSel = 1
selection = 1
showMain = 1
showExtra = 0
balance = 0
function printSel()
  term.setBackgroundColor(colors.black)term.clear()
  paintutils.drawLine(1,1,w,1, colors.cyan)
  term.setCursorPos(1,1)
  term.setTextColor(colors.white)
  print("ProBank V0.1 Created By Actiquack")
  term.setBackgroundColor(colors.black)
  if showMain == 3 then
    term.setCursorPos(12, 7)
    print(newAccountItems[1])
    term.setCursorPos(12, 8)
    print(newAccountItems[2])
    term.setCursorPos(26, 7)
  end
  if showMain == 1 then
    term.setCursorPos(26-select1[2],7)
    print(select1[1])
    term.setCursorPos(26-select2[2],8)
    print(select2[1])
  end
  if showMain == 0 then
    term.setCursorPos(16,7)
    print(loginItems[1])
    term.setCursorPos(16,8)
    print(loginItems[2])
    term.setCursorPos(26,7)
  end
  if showMain == 2 then
    term.setCursorPos(1,3)
    print("---------------------------------------------------")
    term.setCursorPos(25-#username/2,3)
    print(username)
    term.setCursorPos(1,4)
    if bankSel == 1 then
      bankItems = {"[ Deposit ]", "  Withdraw  ", "  Transfer  ", "  Logout  "}
    end
    if bankSel == 2 then
      bankItems = {"  Deposit  ", "[ Withdraw ]", "  Transfer  ", "  Logout  "}
    end
    if bankSel == 3 then
      bankItems = {"  Deposit  ", "  Withdraw  ", "[ Transfer ]", "  Logout  "}
    end
    if bankSel == 4 then
      bankItems = {"  Deposit  ", "  Withdraw  ", "  Transfer  ", "[ Logout ]"}
    end
    print(bankItems[1])
    print(bankItems[2])
    print(bankItems[3])
    print(bankItems[4])
    print("---------------------------------------------------")
    print("Balance: " .. balance)
    print(" ")
    if showExtra == 1 then
      print("Enter Check Key: ")
      term.setCursorPos(18,11)
      code = read()
      ammountAdded = checkCode(code)
      if ammountAdded == false or type(ammountAdded) == "string" then
        term.setTextColor(colors.red)print("Invalid Code")term.setTextColor(colors.white)
        sleep(3)
        showExtra = 0
        printSel()
      else
        term.setTextColor(colors.lime)print("Code Found! " .. ammountAdded .. " added to account balance")term.setTextColor(colors.white)
        sleep(3)
        balance = balance + ammountAdded
        sendBalance = {"balance", username, password, balance}
        rednet.send(serverID, sendBalance)
        showExtra = 0
        printSel()
        end
    end
    if showExtra == 2 then
      print("Enter Withdraw Ammount: ")
      term.setCursorPos(25,11)
      withAmmount = tonumber(read())
      if withAmmount > balance then
        term.setTextColor(colors.red)print("You're too poor to withdraw this ammount!")term.setTextColor(colors.white)
        sleep(3)
        showExtra = 0
        printSel()
      else
        printer.newPage()
        printer.write("Withdrew from " .. username)
        printer.setCursorPos(1,2)
        printer.write("--------------------------------------")
        printer.setCursorPos(1,3)
        printer.write("Ammount: " .. withAmmount)
        printer.setCursorPos(1,4)
        all = "123456789abcdefghijklmnopqrstuvwrxyz"
        e = ""
        for i=1, 10 do
          r = math.random(#all)
          e = e .. string.sub(all, r, r)
        end
        printer.write("Code: " .. e)
        newCode = {"newCode", e, withAmmount}
        rednet.send(serverID, newCode)
        sleep(2)
        printer.endPage()
        balance = balance - withAmmount
        sendBalance = {"balance", username, password, balance}
        rednet.send(serverID, sendBalance)
        term.setTextColor(colors.lime)print("A check worth " .. withAmmount .. " has been printed!")
        sleep(3)
        showExtra = 0
        printSel()
      end
    end
  end
end
printSel()
function checkLogin(username, password)
  userCred = {"usercred", username, password}
  rednet.send(serverID, userCred)
  id, msg = rednet.receive()
  if msg == false then
    return false
  else
    balance = tonumber(msg)
  end
end
function checkCode(code)
  code = {"code", code}
  rednet.send(serverID, code)
  id, msg = rednet.receive()
  if msg == false then
    return false
  else
    return msg
  end
end
while true do
  _,key = os.pullEvent("key")
  if key == 200 or key == 208 then
    if select1[1] == "[ Login ]" then
      select1 = {"Login", 4}
      select2 = {"[ Create Account ]", 11}
      selection = 2
      printSel()
    else
      select1 = {"[ Login ]", 6}
      select2 = {"Create Account", 9}
      selection = 1
      printSel()
    end
  end
  if key == 28 then
    if selection == 2 then
      showMain = 3
      printSel()
      newUsername = read()
      term.setCursorPos(26,8)
      newPassword = read()
      newCred = {"newUser", newUsername, newPassword}
      rednet.send(serverID, newCred)
      term.setTextColor(colors.lime)
      term.setCursorPos(18,9)
      id, msg = rednet.receive()
      if msg == true then
        print("Account Created!")
      elseif msg == false then
        term.setTextColor(colors.red)
        print("Account Exists")
      end
      term.setTextColor(colors.white)
      sleep(3)
      os.reboot()
    end
    if selection == 1 then
      showMain = 0
      printSel()
      username = read()
      term.setCursorPos(26,8)
      password = read("*")
      if checkLogin(username, password) == false then
        term.setCursorPos(18,9)
        term.setTextColor(colors.red)print("Login Failed")term.setTextColor(colors.white)
        sleep(3)
        showMain = 1
        printSel()
      else
        showMain = 2
        printSel()
        --BANK
        while showMain == 2 do
          _, key = os.pullEvent("key")
          if key == 200 then
            bankSel = bankSel - 1
            if bankSel <= 0 then
              bankSel = 4
            end
            printSel()
          end
          if key == 208 then
            bankSel = bankSel + 1
            if bankSel >= 5 then
              bankSel = 1
            end
            printSel()
          end
          if key == 28 then
            if bankSel == 4 then
              os.reboot()
            end
            if bankSel == 1 then
              showExtra = 1
              printSel()
            end
            if bankSel == 2 then
              showExtra = 2
              printSel()
            end
          end
        end
        --END BANK
      end
    end
  end
end