# -*- coding: utf-8 -*-
# Part of Odoo. See LICENSE file for full copyright and licensing details.

from odoo.exceptions import AccessDenied

from odoo import api, models, SUPERUSER_ID
from odoo.modules.registry import Registry


class Users(models.Model):
    _inherit = "res.users"

    @classmethod
    def _login(cls, db, credential, user_agent_env):
        try:
            return super()._login(db, credential, user_agent_env=user_agent_env)
        except AccessDenied as e:
            with Registry(db).cursor() as cr:
                login = credential['login']
                cr.execute("SELECT id FROM res_users WHERE lower(login)=%s", (login,))
                res = cr.fetchone()
                if res:
                    raise e

                env = api.Environment(cr, SUPERUSER_ID, {})
                Ldap = env['res.company.ldap']
                for conf in Ldap._get_ldap_dicts():
                    entry = Ldap._authenticate(conf, login, credential['password'])
                    if entry:
                        return {
                            'uid': Ldap._get_or_create_user(conf, login, entry),
                            'auth_method': 'ldap',
                            'mfa': 'default',
                        }
                raise e

    def _check_credentials(self, credential, env):
        try:
            return super()._check_credentials(credential, env)
        except AccessDenied:
            if not (credential['type'] == 'password' and credential['password']):
                raise
            passwd_allowed = env['interactive'] or not self.env.user._rpc_api_keys_only()
            if passwd_allowed and self.env.user.active:
                Ldap = self.env['res.company.ldap']
                for conf in Ldap._get_ldap_dicts():
                    if Ldap._authenticate(conf, self.env.user.login, credential['password']):
                        return {
                            'uid': self.env.user.id,
                            'auth_method': 'ldap',
                            'mfa': 'default',
                        }
            raise

    @api.model
    def change_password(self, old_passwd, new_passwd):
        if new_passwd:
            Ldap = self.env['res.company.ldap']
            for conf in Ldap._get_ldap_dicts():
                changed = Ldap._change_password(conf, self.env.user.login, old_passwd, new_passwd)
                if changed:
                    self.env.user._set_empty_password()
                    return True
        return super(Users, self).change_password(old_passwd, new_passwd)

    def _set_empty_password(self):
        self.flush_recordset(['password'])
        self.env.cr.execute(
            'UPDATE res_users SET password=NULL WHERE id=%s',
            (self.id,)
        )
        self.invalidate_recordset(['password'])