from odoo import api, models


class DanceAttendance(models.Model):
    _inherit = "dance.attendance"

    @api.model_create_multi
    def create(self, vals_list):
        records = super().create(vals_list)
        records.filtered(lambda line: line.status == "absent")._send_absence_whatsapp()
        return records

    def write(self, vals):
        previous_status = {line.id: line.status for line in self}
        result = super().write(vals)
        if vals.get("status") == "absent":
            absent_lines = self.filtered(lambda line: previous_status.get(line.id) != "absent")
            absent_lines._send_absence_whatsapp()
        return result

    def _send_absence_whatsapp(self):
        template = self.env["dance.whatsapp.template"].search(
            [("trigger", "=", "absence"), ("active", "=", True)],
            limit=1,
        )
        if not template:
            return
        for attendance in self:
            student = attendance.student_id
            guardian = student.guardian_id or student.guardian_ids[:1]
            phone = guardian.mobile or guardian.phone if guardian else False
            values = {
                "student": student.name or "",
                "date": attendance.date or "",
                "session": attendance.session_id.name or "",
            }
            self.env["dance.whatsapp.log"].create(
                {
                    "template_id": template.id,
                    "trigger": "absence",
                    "student_id": student.id,
                    "guardian_id": guardian.id if guardian else False,
                    "attendance_id": attendance.id,
                    "phone": phone,
                    "message": template.render_message(values),
                    "status": "sent" if phone else "failed",
                    "error_message": False if phone else "Guardian phone number is missing.",
                }
            )