import logging
import re

import structlog
from django.conf import settings
from rest_framework.throttling import UserRateThrottle
from structlog.types import EventDict


def structlog_add_app_info(
    logger: logging.Logger, method_name: str, event_dict: EventDict
) -> EventDict:
    event_dict["django_app"] = "vbv_lernwelt"
    event_dict["APP_ENVIRONMENT"] = settings.APP_ENVIRONMENT
    event_dict["django_app_dev_mode"] = f"vbv_lernwelt_{settings.APP_ENVIRONMENT}"

    return event_dict


def structlog_inject_context_dict(test, level, event_dict):
    """
    Add the structlog context dict to log events generated by the stdlib logging library.
    """
    context_class = structlog.get_config().get("context_class")

    if context_class:
        for key, value in context_class().items():
            if key not in event_dict:
                event_dict[key] = value

    return event_dict


class HourUserRateThrottle(UserRateThrottle):
    scope = "hour-throttle"


class DayUserRateThrottle(UserRateThrottle):
    scope = "day-throttle"


def find_first(iterable, pred=None, default=None):
    return next(filter(pred, iterable), default)


def find_first_index(iterable, pred, default=None):
    return next((i for i, x in enumerate(iterable) if pred(x)), default)


def replace_whitespace(text, replacement=" "):
    return re.sub(r"\s+", replacement, text).strip()


def get_django_content_type(obj):
    return obj._meta.app_label + "." + type(obj).__name__