from email.message import EmailMessage


class Notification(EmailMessage):
    """docstring for Email."""

    def set_notification_content(self,
                                 subject_template,
                                 subject_template_values_dict,
                                 body_txt_template_path,
                                 body_html_template_path,
                                 body_template_values_dict):
        # Create subject with subject_template_values_dict
        self['subject'] = subject_template.format(
            **subject_template_values_dict)
        # Open template files and insert values from body_template_values_dict
        with open(body_txt_template_path) as nfile:
            self.body = nfile.read().format(**body_template_values_dict)
        with open(body_html_template_path) as nfile:
            self.html = nfile.read().format(**body_template_values_dict)
        # Set txt of email
        self.set_content(self.body)
        # Set html alternative
        self.add_alternative(self.html, subtype='html')

    def set_addresses(self, sender, recipient):
        self['From'] = sender
        self['to'] = recipient