"""Utility functions for the adjustments validation logic."""

import json
import math
import re

from abacus_common_logic.adjustments_validation.logger import logger


def clean_upc(upc: str) -> str:
    """Clean a UPC by removing leading zeros."""
    return re.sub('^0', '', upc)


def is_integer(value: str) -> bool:
    """Check if a string represents a valid integer."""
    try:
        if value.isdigit() and not math.isnan(int(value)):
            return True
    except (TypeError, ValueError):
        return False

    return False


def is_float(value: str) -> bool:
    """Check if a string represents a valid float."""
    try:
        if not math.isnan(float(value)):
            return True
    except (TypeError, ValueError):
        return False

    return False


def has_intersection(setA: set, setB: set) -> bool:
    """Check if two sets intersect."""
    return not setA.isdisjoint(setB)


def load_json(value: str | None) -> dict | None:
    """Try to convert a JSON string into a dict."""
    result = None

    if not value:
        return result

    try:
        result = json.loads(value)
    except Exception:
        logger.warning(f'Failed to parse JSON: {value}')
        pass

    return result