# ca_core/property.py

def set_property(cursor, entity_id: int, property_name: str):
    cursor.execute(
        """
        INSERT INTO property (id, property_name)
        VALUES (%s, %s)
        ON CONFLICT (id, property_name) DO NOTHING
        """,
        (entity_id, property_name)
    )


def delete_property(cursor, entity_id: int, property_name: str):
    cursor.execute(
        "DELETE FROM property WHERE id=%s AND property_name=%s",
        (entity_id, property_name)
    )
    if cursor.rowcount == 0:
        raise ValueError("Property not found")


def get_properties(cursor, entity_id: int):
    cursor.execute(
        "SELECT property_name FROM property WHERE id=%s",
        (entity_id,)
    )
    return [row['property_name'] for row in cursor.fetchall()]