from odoo import api, fields, models

class InternalTeams(models.Model):
    _name = "internal.teams"

    team_name = fields.Text("Team Name", required=True)
    team_lead = fields.Many2one("res.users", string="Team Lead")
    members_ids = fields.Many2many('res.users', 'internal_team_user_rel', 'team_id',
                                   'user_id', 'Team Members', help="""Team Members are the users who are working in this particular team."""
                                   )
    active = fields.Boolean(default=True, help="Set active to false to hide the Teams without removing it.")


    parent_id = fields.Many2one('internal.teams', string="Parent Team",
                                domain="[('id', '!=', id)]")
    child_ids = fields.One2many('internal.teams', 'parent_id', string="Child Teams")
    active = fields.Boolean(default=True)

    # Computed field to include members + child team members and leads
    all_members_ids = fields.Many2many(
        'res.users', compute='_compute_all_members', string="All Members", store=False
    )

    @api.depends('members_ids', 'child_ids.members_ids', 'child_ids.team_lead')
    def _compute_all_members(self):
        for rec in self:
            all_members = rec.members_ids
            for child in rec.child_ids:
                all_members |= child.members_ids | child.team_lead
            rec.all_members_ids = all_members


    def _compute_display_name(self):
        """ Custom display_name in case a registration is nott linked to an attendee
        """
        for registration in self:
            registration.display_name = registration.team_name