text: # -*- coding: utf-8 -*-
  """
  Fake Weboob module with capability CapBank.
  """
  from __future__ import unicode_literals
  
  import datetime
  import random
  import time
  from decimal import Decimal
  
  from weboob.core.ouiboube import WebNip
  from weboob.capabilities.bank import Currency
  from weboob.capabilities.bank import CapBank, Account, Transaction
  from weboob.capabilities.base import empty
  from weboob.exceptions import (
      ActionNeeded,
      AuthMethodNotImplemented,
      AppValidation,
      BrowserIncorrectPassword,
      BrowserPasswordExpired,
      BrowserQuestion,
      NoAccountsException,
      ModuleInstallError,
      ModuleLoadError
  )
  from weboob.tools.backend import Module, BackendConfig
  from weboob.tools.value import ValueBackendPassword, Value, ValueTransient
  from weboob.browser.browsers import LoginBrowser, need_login
  
  
  __all__ = ['FakeBankModule']
  
  
  class GenericException(Exception):
      """
      A generic exception that we could miss to catch.
      """
      pass # pylint: disable=unnecessary-pass
  
  
  TriedImportError = False
  
  
  CREDIT_CARD_ACCOUNT_ID = 'CREDITCARD@fakebank'
  
  class FakeStateBrowser(LoginBrowser):
      """
      A Login browser which supports the export of the session.
      """
      def do_login(self):
          pass
  
      def dump_state(self):
          """
          A method allowing to dump the state of the browser.
          """
          return {'password': self.password}
  
  
  class FakeBrowser(LoginBrowser):
      """
      A Login browser which does not support the export of the session.
      """
      def do_login(self):
          pass
  
  
  class FakeBankModule(Module, CapBank):
      """
      A Fake Weboob module relying on CapBank capability.
      """
      NAME = 'fakeweboobbank'
      MAINTAINER = u'Phyks'
      EMAIL = 'phyks@phyks.me'
      VERSION = WebNip.VERSION
      DESCRIPTION = u'Fake bank module'
      LICENSE = 'AGPLv3+'
      CONFIG = BackendConfig(
          ValueBackendPassword('login', label='Identifiant', masked=False),
          ValueBackendPassword('password', label='Code personnel'),
          Value('website', label='Type de compte', default='par',
                choices={'par': 'Particuliers',
                         'pro': 'Professionnels'},
                required=True),
          Value('foobar', label='Ce que vous voulez', required=False),
          Value('secret', label='Valeur top sikrète', required=True, masked=True),
          ValueTransient('code', label="Secret code 2fa"),
          ValueTransient('resume', label="App validation 2fa")
      )
      BROWSER = None
  
      def create_default_browser(self):
          login = self.config['login'].get()
          if login == 'session':
              klass = FakeStateBrowser
          else:
              klass = FakeBrowser
  
          return self.create_browser(login, self.config['password'].get(), klass=klass)
  
      @staticmethod
      def random_errors(rate):
          """
          Generate random errors, at a given rate.
  
          :param rate: Rate at which errors should be generated.
          """
          n = random.randrange(100)
  
          # Once per module instanciation, try a 2% rate import error.
          global TriedImportError  # pylint: disable=global-statement
          if not TriedImportError:
              TriedImportError = True
              if n < 2:
                  import NotExistingModule  # pylint: disable=import-error,import-outside-toplevel,unused-variable,unused-import
  
          # With a probability of rate%, raise an exception.
          if n >= rate:
              return
  
          possible_errors = [
              ActionNeeded,
              BrowserIncorrectPassword,
              BrowserPasswordExpired,
              NoAccountsException,
              ModuleInstallError,
              NotImplementedError,
              GenericException,
              ModuleLoadError('FakeWeboobBank', 'Random error'),
              AuthMethodNotImplemented,
              Exception,
          ]
  
          raise possible_errors[random.randrange(len(possible_errors))]
  
      def maybe_generate_error(self, rate):
          """
          Generate an error according to login and random rate.
  
          If login is a specific login matching an error type
          (``invalidpassword``, ``actionneeded``, ``expiredpassword``),
          systematically trigger the matching error. If login is ``noerror``,
          never throw any error. In all other cases, throw a random error
          according to given rate.
  
          :param rate: Rate at which the errors should be generated.
          """
          login = self.config['login'].get()
  
          if login == 'invalidpassword':
              raise BrowserIncorrectPassword
          if login == 'actionneeded':
              raise ActionNeeded
          if login == 'expiredpassword':
              raise BrowserPasswordExpired
          if login == 'authmethodnotimplemented':
              raise AuthMethodNotImplemented
          if login == 'appvalidation' and self.config.get('resume', Value()).get() is None:
              raise AppValidation("Please confirm login!")
          if login == '2fa' and self.config.get('code', Value()).get() is None:
              raise BrowserQuestion(Value('code', label="Please enter some fake 2fa code!"))
          if login not in ['noerror', 'session', 'appvalidation', '2fa']:
              self.random_errors(rate)
  
      def do_login(self):
          """
          Simulates a login.
          """
          self.browser.do_login()
  
      @need_login
      def iter_accounts(self):
          """
          Generates accounts.
          """
          # Throw error from password value or random error
          self.maybe_generate_error(8)
  
          accounts = []
  
          first_account = Account()
          first_account.id = 'FR235711131719@fakebank'
          first_account.label = 'Compte chèque'
          first_account.currency = Currency.get_currency('42 €')
          first_account.iban = 'FR235711131719'
          first_account.balance = Decimal(random.uniform(0, 150))
          first_account.type = Account.TYPE_CHECKING
          accounts.append(first_account)
  
          second_account = Account()
          second_account.id = 'livretA@fakebank'
          second_account.label = 'Livret A'
          second_account.currency = Currency.get_currency('$42')
          second_account.balance = Decimal(500.0)
          second_account.type = Account.TYPE_SAVINGS
          accounts.append(second_account)
  
          third_account = Account()
          third_account.id = 'PEL@fakebank'
          third_account.label = 'Plan Epargne Logement'
          third_account.balance = Decimal(0.0)
          third_account.type = Account.TYPE_SAVINGS
          accounts.append(third_account)
  
          fourth_account = Account()
          fourth_account.id = CREDIT_CARD_ACCOUNT_ID
          fourth_account.label = 'Debit Card'
          fourth_account.balance = Decimal(0.0)
          fourth_account.type = Account.TYPE_CARD
          accounts.append(fourth_account)
  
          return accounts
  
      def fill_account(self, account, fields):  # pylint: disable=no-self-use
          """
          Fills the empty fields of an account.
          """
          if 'iban' in fields and empty(account.iban):
              account.iban = 'Filled Iban'
          return account
  
      OBJECTS = {Account: fill_account}
  
      @staticmethod
      def generate_date(min_date, max_date):
          """
          Generate a date between given lower and upper bounds.
  
          :param min_date: The minimum date to be used. Instance of date.
          :param max_date: The maximum date to be used. Instance of date.
          """
  
          return datetime.datetime.fromtimestamp(
              random.randint(
                  int(time.mktime(min_date.timetuple())),
                  int(time.mktime(max_date.timetuple()))
              )
          )
  
      @staticmethod
      def generate_type():
          """
          Generate a random transaction type.
          """
          return random.choice([
              Transaction.TYPE_UNKNOWN,
              Transaction.TYPE_TRANSFER,
              Transaction.TYPE_ORDER,
              Transaction.TYPE_CHECK,
              Transaction.TYPE_DEPOSIT,
              Transaction.TYPE_PAYBACK,
              Transaction.TYPE_WITHDRAWAL,
              Transaction.TYPE_CARD,
              Transaction.TYPE_LOAN_PAYMENT,
              Transaction.TYPE_BANK,
              Transaction.TYPE_CASH_DEPOSIT,
              Transaction.TYPE_CARD_SUMMARY
          ])
  
      @staticmethod
      def generate_label(positive=False):
          """
          Generate a random label.
          """
          if positive:
              return random.choice([
                  ('VIR Nuage Douillet', 'VIR Nuage Douillet REFERENCE Salaire'),
                  ('Impots', 'Remboursement impots en votre faveur'),
                  ('', 'VIR Pots de vin et magouilles pas claires'),
                  ('Case départ', 'Passage par la case depart'),
                  ('Assurancetourix',
                   'Remboursement frais médicaux pour plâtre généralisé')
              ])
          return random.choice([
              ('Café Moxka', 'Petit expresso rapido Café Moxka'),
              ('MerBnB', 'Paiement en ligne MerBNB'),
              ('Tabac Debourg', 'Bureau de tabac SARL Clopi Cloppa'),
              ('Rapide PSC', 'Paiement sans contact Rapide'),
              ('MacDollars PSC', 'Paiement sans contact Macdollars'),
              ('FNAK', 'FNAK CB blabla'),
              ('CB Sefaurat', 'Achat de parfum chez Sefaurat'),
              ('Polyprix CB', 'Courses chez Polyprix'),
              ('Croisement CB', 'Courses chez Croisement'),
              ('PRLV UJC', 'PRLV UJC'),
              ('CB Spotifaille', 'CB Spotifaille London'),
              ('Antiquaire', 'Antiquaire'),
              ('Le Perroquet Bourré', 'Le Perroquet Bourré SARL'),
              ('Le Vol de Nuit', 'Bar Le Vol De Nuit SARL'),
              ('Impots fonciers',
               'Prelevement impots fonciers reference 47839743892'),
              ('ESPA Carte Hassan Cehef', 'Paiement carte Hassan Cehef'),
              ('Indirect Energie', 'ESPA Indirect Energie SARL'),
              ('', 'VIR Mr Jean Claude Dusse'),
              ('Nuage Douillet', 'ESPA Abonnement Nuage Douillet'),
              ('Glagla Frigidaire', 'CB GLAGLA FRIGIDAIRE'),
              ('Digiticable', 'ESPA Digiticable'),
              ('NOGO Sport', 'CB NOGO Sport'),
              ('FramaHard', 'ESPA Don FramaHard'),
              ('Sergent Tchoutchou', 'CB online Sergent Tchoutchou'),
              ('RAeTP', 'CB Raleurs Ambulants et Traficoteurs Patentés')
          ])
  
      def generate_single_transaction(self):
          """
          Generate a fake transaction.
          """
          now = datetime.datetime.now()
  
          transaction = Transaction()
          transaction.type = self.generate_type()
  
          n = random.randrange(100)
          if n < 2:
              # with a 2% rate, generate a special operation to test duplicates
              # (happening on 4th of current month).
              duplicate_date = datetime.datetime(now.year, now.month, 4)
              transaction.amount = Decimal(-300.0)
              transaction.label = "Loyer"
              transaction.raw = "Loyer habitation"
              transaction.date = self.generate_date(duplicate_date, duplicate_date)
              return transaction
  
          # Get transactions for the previous month.
          min_date = now - datetime.timedelta(days=30)
  
          transaction.date = self.generate_date(min_date, now)
  
          if n < 15:
              transaction.label, transaction.raw = self.generate_label(
                  positive=True
              )
              transaction.amount = Decimal(
                  random.randint(100, 800) + random.random()
              )
              return transaction
  
          if n < 30:
              transaction.rdate = transaction.date
          elif n < 60:
              transaction.rdate = None
  
          transaction.amount = Decimal(random.randint(-60, 0) + random.random())
          transaction.label, transaction.raw = self.generate_label()
          transaction.type = self.generate_type()
  
          # Randomly set the date properties to date class instead of datetime.
          maybe_date_object = random.randrange(3)
          if maybe_date_object == 0:
              transaction.date = transaction.date.date()
  
          if maybe_date_object == 1 and transaction.rdate:
              transaction.rdate = transaction.rdate.date()
  
          return transaction
  
      @need_login
      def iter_history(self, account):
          # Throw error from password value or random error
          self.maybe_generate_error(5)
  
          transactions = []
  
          # Generate some transactions
          for _ in range(random.randrange(15)):
              transactions.append(self.generate_single_transaction())
  
          return transactions
  
      def iter_coming(self, account):
          """
          Return transactions with debit date later than today.
          """
          comings = []
  
          if account.id == CREDIT_CARD_ACCOUNT_ID:
              today = datetime.datetime.now()
              min_date = today + datetime.timedelta(days=1)
              max_date = today + datetime.timedelta(days=30)
  
              for transaction in self.iter_history(account):
                  transaction.rdate = transaction.date
                  transaction.date = self.generate_date(min_date, max_date)
                  transaction.type = Transaction.TYPE_DEFERRED_CARD
  
                  comings.append(transaction)
  
          return comings
  