# Copyright 2019-2020 Coop IT Easy SCRLfs
# License AGPL-3.0 or later (http://www.gnu.org/licenses/agpl).

from odoo import models, fields, api, _
from odoo.exceptions import ValidationError


class Partner(models.Model):
    _inherit = 'res.partner'

    info_session_confirmed = fields.Boolean(
        string="Confirmed presence to info session",
        default=False,
    )

    def _cooperator_share_type(self):
        """
        Return the share.type that correspond to the cooperator_type.
        """
        self.ensure_one()
        share_type = None
        if self.cooperator_type:
            share_type = (
                self.env['product.template']
                .search([('default_code', '=', self.cooperator_type)])
            )[0]
        return share_type

    @api.depends(
        "cooperator_type"
    )
    def _compute_is_worker(self):
        """
        Return True if the partner can participate tho the shift system.
        This is defined on the share type.
        """
        for rec in self:
            share_type = rec._cooperator_share_type()
            if share_type:
                rec.is_worker = share_type.allow_working
            else:
                rec.is_worker = False

    @api.depends(
        "cooperative_status_ids",
        "cooperative_status_ids.status",
        "cooperative_status_ids.can_shop",
        "share_ids",
        "share_ids.share_product_id",
        "share_ids.share_product_id.default_code",
        "share_ids.share_number",
    )
    def _compute_can_shop(self):
        """
        Overwrite default behavior to take the owned share into account.
        """
        for rec in self:
            share_type = rec._cooperator_share_type()
            if share_type:
                rec.can_shop = (
                    rec.cooperative_status_ids.can_shop
                    if rec.is_worker and rec.cooperative_status_ids
                    else share_type.allow_shopping
                )
            else:
                rec.can_shop = (
                    rec.cooperative_status_ids.can_shop
                    if rec.is_worker and rec.cooperative_status_ids else False
                )

    @api.constrains('parent_eater_id')
    def _check_max_parent_eaters(self):
        """
        Check that the parent_eater_id in parnter in self doesn't exceed
        the maximum eater limit.
        See also: _check_max_child_eaters()
        """
        for rec in self:
            if rec.parent_eater_id:
                share_type = rec.parent_eater_id._cooperator_share_type()
                if (
                    share_type
                    and share_type.max_nb_eater_allowed >= 0
                    and len(
                        rec.parent_eater_id.child_eater_ids
                    ) > share_type.max_nb_eater_allowed
                ):
                    raise ValidationError(
                        _('You can only set %d additional eaters per worker')
                        % share_type.max_nb_eater_allowed
                    )

    @api.constrains('child_eater_ids')
    def _check_max_child_eaters(self):
        """
        Check the maximum number of eaters that can be assigned to a
        share owner.
        See also: _check_max_parent_eaters()
        """
        for rec in self:
            share_type = rec._cooperator_share_type()
            if (
                share_type
                and share_type.max_nb_eater_allowed >= 0
                and len(rec.child_eater_ids) > share_type.max_nb_eater_allowed
            ):
                raise ValidationError(
                    _('You can only set %d additional eaters per worker')
                    % share_type.max_nb_eater_allowed
                )