from odoo import models, fields


class EncoachSession(models.Model):
    _name = "encoach.session"
    _description = "EnCoach Exam Session"
    _order = "date desc"

    user_id = fields.Many2one("res.users", required=True, index=True)
    exam_data = fields.Json(help="Full exam state snapshot (ExamState)")
    date = fields.Datetime(default=fields.Datetime.now)
    legacy_id = fields.Char(index=True)

    def to_encoach_dict(self):
        self.ensure_one()
        return {
            "id": self.id,
            "user": self.user_id.id,
            "date": self.date.isoformat() if self.date else None,
            **(self.exam_data or {}),
        }