from db_logging import log_change
from entity import ensure_entity_active


def set_property(cursor, entity_id, property_name):
    """
    Revoked entities are immutable: cannot add properties.
    Schema: property(id, property_name)
    """
    ensure_entity_active(cursor, entity_id)

    cursor.execute(
        """
        INSERT INTO property (id, property_name)
        VALUES (%s, %s)
        ON CONFLICT (id, property_name) DO NOTHING
        """,
        (entity_id, property_name),
    )
    log_change(cursor, f"Set property '{property_name}' for entity {entity_id}")


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


def delete_property(cursor, entity_id, property_name):
    """
    Revoked entities are immutable: cannot delete properties.
    """
    ensure_entity_active(cursor, entity_id)

    cursor.execute(
        "DELETE FROM property WHERE id = %s AND property_name = %s",
        (entity_id, property_name),
    )
    log_change(cursor, f"Deleted property '{property_name}' for entity {entity_id}")