# Copyright 2018 David Juaneda - <djuaneda@sdi.es>
# Copyright 2018 Eficent Business and IT Consulting Services, S.L.
# License AGPL-3.0 or later (http://www.gnu.org/licenses/agpl.html).
from odoo import api, fields, models


class MailActivity(models.Model):
    _inherit = "mail.activity"

    res_model_id_name = fields.Char(
        related="res_model_id.name", string="Origin", readonly=True
    )
    duration = fields.Float(related="calendar_event_id.duration", readonly=True)
    calendar_event_id_start = fields.Datetime(
        related="calendar_event_id.start", readonly=True
    )
    calendar_event_id_partner_ids = fields.Many2many(
        related="calendar_event_id.partner_ids", readonly=True
    )

    def open_origin(self):
        self.ensure_one()
        vid = self.env[self.res_model].browse(self.res_id).get_formview_id()
        response = {
            "type": "ir.actions.act_window",
            "res_model": self.res_model,
            "view_mode": "form",
            "res_id": self.res_id,
            "target": "current",
            "flags": {"form": {"action_buttons": False}},
            "views": [(vid, "form")],
        }
        return response

    @api.model
    def action_activities_board(self):
        action = self.env.ref("mail_activity_board.open_boards_activities").read()[0]
        return action

    @api.model
    def _find_allowed_model_wise(self, doc_model, doc_dict):
        doc_ids = list(doc_dict)
        allowed_doc_ids = (
            self.env[doc_model]
            .with_context(active_test=False)
            .search([("id", "in", doc_ids)])
            .ids
        )
        return {
            message_id
            for allowed_doc_id in allowed_doc_ids
            for message_id in doc_dict[allowed_doc_id]
        }

    @api.model
    def _find_allowed_doc_ids(self, model_ids):
        ir_model_access_model = self.env["ir.model.access"]
        allowed_ids = set()
        for doc_model, doc_dict in model_ids.items():
            if not ir_model_access_model.check(doc_model, "read", False):
                continue
            allowed_ids |= self._find_allowed_model_wise(doc_model, doc_dict)
        return allowed_ids

    @api.model
    def _search(
        self,
        args,
        offset=0,
        limit=None,
        order=None,
        count=False,
        access_rights_uid=None,
    ):
        # Rules do not apply to administrator
        if self.env.is_superuser():
            return super(MailActivity, self)._search(
                args,
                offset=offset,
                limit=limit,
                order=order,
                count=count,
                access_rights_uid=access_rights_uid,
            )

        ids = super(MailActivity, self)._search(
            args,
            offset=offset,
            limit=limit,
            order=order,
            count=False,
            access_rights_uid=access_rights_uid,
        )
        if not ids and count:
            return 0
        elif not ids:
            return ids

        # check read access rights before checking the actual rules
        super(
            MailActivity, self.with_user(access_rights_uid or self._uid)
        ).check_access_rights("read")

        model_ids = {}

        self.flush(["res_id", "res_model_id", "res_model"])
        for sub_ids in self._cr.split_for_in_conditions(ids):
            self._cr.execute(
                """
                SELECT DISTINCT a.id, im.id, im.model, a.res_id
                FROM "%s" a
                LEFT JOIN ir_model im ON im.id = a.res_model_id
                WHERE a.id = ANY (%%(ids)s)"""
                % self._table,
                dict(ids=list(sub_ids)),
            )
            for a_id, _ir_model_id, model, model_id in self._cr.fetchall():
                model_ids.setdefault(model, {}).setdefault(model_id, set()).add(a_id)

        allowed_ids = self._find_allowed_doc_ids(model_ids)

        final_ids = allowed_ids

        if count:
            return len(final_ids)
        else:
            # re-construct a list based on ids, because set didn't keep order
            id_list = [a_id for a_id in ids if a_id in final_ids]
            return id_list