#project: Sistema Bancário Atualizado

# FILE: /main.py


users = list()
def create_user(name, birth, cpf: str, address: str): #1:
  cpf_exists = False
  for i1 in users:
      if i1['cpf'] == cpf:
          cpf_exists = True
          print('CPF already registered.')
          return
  
  if not cpf_exists:
      new_user = {
          'name': name,
          'birth': birth,
          'cpf': cpf,
          'address': address
      }


      users.append(new_user)
      print(f'User {name} created successfully.')
      # return new_user


accounts = list()
def create_current_account(cpf):
  user_found = None
  for i2 in users:
      if i2['cpf'] == cpf:
          user_found = i2
          print(f'User found: {user_found}')
          break
  
  if not user_found:
      print('User not found.')
      return


  account_number = (len(accounts) + 1)
  account_new = {
      'agency': '0001',
      'account_number': account_number,
      'user': user_found
  }


  accounts.append(account_new)
  print('Account created successfully.')


# Keyword only:
def withdraw(*, balance, withdrawal, statement, limit, number_withdrawals, limit_withdrawals):
  if withdrawal > limit:
      print(f'It is not possible to withdraw ammounts above {limit}')
  elif number_withdrawals >= limit_withdrawals:
      print('You have reached your daily withdrawal limit.')
  elif withdrawal > balance:
      print(f'You do not have enough balance. Current: R${balance:.2f}.')
  elif withdrawal > 0:
      balance -= withdrawal
      statement.append(f'Withdrawal: R${withdrawal:.2f}.')
      number_withdrawals += 1
      print(f'Cash out: R${withdrawal:.2f}. Balance: {balance:.2f}.')
  else:
      print('Enter only positive values.')
  return balance, statement


# Positional only:
def deposit(balance, amount, statement, /):
  if amount > 0:
      balance += amount
      statement.append(f'Deposit of R${amount:.2f}.')
      print(f'Deposit of R${amount:.2f}. Balance: {balance:.2f}.')
  else:
      print('Enter only positive values.')
  return balance, statement


# Positional only and keyword only:
def bank_statement(balance, /, *, statement ):
  print('EXTRACT: ')
  print('DEPOSIT: ')
  if statement:
      for i3 in statement:
          if i3.startswith('Deposit'):
              print(i3)
  else:
      print('No deposit made.')


  print('WITHDRAWALS: ')
  if statement:
      for i4 in statement:
          if i4.startswith('Withdrawal'):
              print(i4)
  
  else:
      print('No withdrawals made.')


  print(f'Balance: {balance:.2f}.')


def list_accounts():
  for i5 in accounts:
      print(f'Agency: {i5["agency"]}', 
            f'Number of account: {i5["account_number"]}',
            f'User: {i5["user"]["name"]}'
      )


def menu():
  balance = 0
  statement = list()
  withdrawal_limit = 500
  withdrawal_limit_day = 3
  number_withdrawals = 0
  
  while True:
      try:
          options = int(input('Choose one of the options:\n'
                                  '[1] - Cash out\n'
                                  '[2] - Deposit\n'
                                  '[3] - View extract\n'
                                  '[4] - Create user\n'
                                  '[5] - Create current account\n'
                                  '[6] - List accounts\n'
                                  '[7] - Exit\n'
                                  '[8] - Info): ')
          )


          if options == 1:
              cashout_amount = float(input('Enter the cash out amount: '))
              balance, statement = withdraw(
                                   balance = balance, 
                                   withdrawal = cashout_amount, 
                                   statement = statement, 
                                   limit = withdrawal_limit, 
                                   number_withdrawals = number_withdrawals, 
                                   limit_withdrawals = withdrawal_limit_day
              )
              if cashout_amount > 0 and cashout_amount <= balance and number_withdrawals < withdrawal_limit_day:
                  number_withdrawals += 1


          elif options == 2:
              deposit_amount = float(input('Enter the deposit amount: '))
              balance, statement = deposit(balance, deposit_amount, statement)


          elif options == 3:
              bank_statement(balance, statement=statement)


          elif options == 4:
              name = str(input('Enter your name: '))
              birth = str(input('Enter your birth date (DD/MM/YYY): '))
              cpf = str(input('Enter your CPF (numbers only): '))
              address = str(input('Enter you address (logradouro, nro - bairro - city/state: )'))


              create_user(name, birth, cpf, address)


          elif options == 5:
              cpf = str(input('Enter your CPF (numbers only): '))
              create_current_account(cpf)


          elif options == 6:
              list_accounts()
          
          elif options == 7:
              print('Thank you for using our system. Goodbye!')
              break


          elif options == 8:
              print('### DEVELOPER DATA ###')
              print('Developed by: Edson Copque\n'
                  'Site: https://linktr.ee/edsoncopque\n'
                  'GitHub: https://github.com/ecopque\n'
                  'Repo: https://github.com/ecopque/new_banking_system\n'
                  'Signal Messenger: ecop.01\n')


          else:
              print('Please enter a valid number.')


      except ValueError:
          print(f'Please enter a valid input.')


if __name__ == '__main__':
  menu()


  '''
  . Developer: Edson Copque
  . Website: https://linktr.ee/edsoncopque
  . GitHub: https://github.com/ecopque
  . Signal Messenger: ecop.01
  '''