from oauth.services.github import GithubOAuthService
from oauth.services.google import GoogleOAuthService
from oauth.oidc import OIDCLoginService

CUSTOM_LOGIN_SERVICES = {
  'GITHUB_LOGIN_CONFIG': GithubOAuthService,
  'GOOGLE_LOGIN_CONFIG': GoogleOAuthService,
}

class OAuthLoginManager(object):
  """ Helper class which manages all registered OAuth login services. """
  def __init__(self, config):
    self.services = []

    # Register the endpoints for each of the OAuth login services.
    for key in config.keys():
      # All keys which end in _LOGIN_CONFIG setup a login service.
      if key.endswith('_LOGIN_CONFIG'):
        if key in CUSTOM_LOGIN_SERVICES:
          custom_service = CUSTOM_LOGIN_SERVICES[key](config, key)
          if custom_service.login_enabled(config):
            self.services.append(custom_service)
        else:
          self.services.append(OIDCLoginService(config, key))