from odoo import api, models


class HelpdeskTicket(models.Model):
    _inherit = "helpdesk.ticket"

    @api.depends("team_id")
    def _compute_user_id(self):
        for ticket in self:
            ticket.user_id = self._define_user_id(
                ticket.team_id,
                ticket.user_id,
            )

    @api.model_create_multi
    def create(self, vals_list):
        for vals in vals_list:
            if not vals.get("team_id") and vals.get("partner_id"):
                # Find the user who creates the ticket
                partner = self.env["res.partner"].browse(vals.get("partner_id"))
                if not partner:
                    continue
                # A partner may have no linked user (e.g. a plain contact)
                user = partner.user_ids[:1]
                if not user:
                    continue

                # Get its default team_id
                team = user.default_helpdesk_ticket_team_id
                if not team:
                    continue

                vals["team_id"] = team.id

                # Set the linked project
                if team.default_project_id:
                    vals["project_id"] = team.default_project_id.id

                # Set the user_id to which the ticket is assigned
                user_id = self._define_user_id(team, None)
                if user_id:
                    vals["user_id"] = user_id.id
        return super().create(vals_list)

    def _define_user_id(self, team_id=None, ticket_user_id=None):
        if not team_id:
            return ticket_user_id

        if not ticket_user_id:
            return team_id.user_id

        if ticket_user_id not in team_id.user_ids:
            return team_id.user_id

        return ticket_user_id