# Copyright 2018 Therp BV <https://therp.nl>
# Copyright 2022 Hunki Enterprises BV <https://hunki-enterprises.com>
# License AGPL-3.0 or later (https://www.gnu.org/licenses/agpl.html).
from odoo import api, models


class IrMailServer(models.Model):
    _inherit = 'ir.mail_server'

    @api.model
    def send_email(
        self, message, mail_server_id=None, smtp_server=None, smtp_port=None,
        smtp_user=None, smtp_password=None, smtp_encryption=None,
        smtp_debug=False, smtp_session=None,
    ):
        """ Inject autogenerated header for autogoing mails """

        if not self.env.context.get('mail_autogenerated_header_disable') and\
                self._send_email_set_autogenerated(
                    message, mail_server_id=mail_server_id,
                    smtp_server=smtp_server, smtp_port=smtp_port,
                    smtp_user=smtp_user, smtp_password=smtp_password,
                    smtp_encryption=smtp_encryption, smtp_debug=smtp_debug,
                    smtp_session=smtp_session,
                ):
            # MS Exchange's broken version as of
            # http://blogs.technet.com/b/exchange/archive/2006/10/06/
            # 3395024.aspx
            message['Precedence'] = 'bulk'
            message['X-Auto-Response-Suppress'] = 'OOF'
            # The right way to do it as of
            # https://tools.ietf.org/html/rfc3834
            message['Auto-Submitted'] = 'auto-generated'

        return super(IrMailServer, self).send_email(
            message, mail_server_id=mail_server_id, smtp_server=smtp_server,
            smtp_port=smtp_port, smtp_user=smtp_user,
            smtp_password=smtp_password, smtp_encryption=smtp_encryption,
            smtp_debug=smtp_debug, smtp_session=smtp_session,
        )

    @api.model
    def _send_email_set_autogenerated(
        self, message, mail_server_id=None, smtp_server=None, smtp_port=None,
        smtp_user=None, smtp_password=None, smtp_encryption=None,
        smtp_debug=False, smtp_session=None,
    ):
        """Determine if some mail should have the autogenerated headers"""

        mail = self.env['mail.mail'].search([
            ('message_id', '=', message['Message-Id']),
        ])
        if not mail:
            return False
        return mail.subtype_id != self.env.ref('mail.mt_comment')