import logging
import traceback
from typing import Any

from server.utils.glom import PathAccessError, PathAssignError, assign


SELF_KEY = "."
logger = logging.getLogger("app")


def setter(item: dict, key: str, value: Any):
    """Set value by key, support '.' self key for update

    Example1:
        item = {"a": 1}
        setter(item, "b.c", 2)
        item == {"a": 1, "b": {"c": 2}}

    Example2:
        item = {"a": 1}
        setter(item, ".", {"b": 2, "c": 3})
        item == {"a": 1, "b": 2, "c": 3}
    """

    if key is SELF_KEY:
        item.update(value)
        return
    try:
        assign(item, key, value, missing=dict)
    except (PathAccessError, PathAssignError) as ex:  # need this because of Delphi absent data
        logger.warning(
            f"setter got an exception {ex} with item={item}, key={key}, value={value}\n"
            f"Traceback: {traceback.format_exc()}"
        )