import json
import logging
import os
import sys

logging.basicConfig(stream=sys.stdout, level=logging.INFO)
LOGGER = logging.getLogger("XPost")


def as_json(obj, indent=None, sort_keys=False) -> str:
    return json.dumps(
        obj.__dict__ if not isinstance(obj, dict) else obj,
        default=lambda o: o.__json__() if hasattr(o, "__json__") else o.__dict__,
        indent=indent,
        sort_keys=sort_keys,
    )


def canonical_label(label: str | None, href: str):
    if not label or label == href:
        return True

    split = href.split("://", 1)
    if len(split) > 1:
        if split[1] == label:
            return True

    return False


def safe_get(obj: dict, key: str, default):
    val = obj.get(key, default)
    return val if val else default


def as_envvar(text: str | None) -> str | None:
    if not text:
        return None

    if text.startswith("env:"):
        return os.environ.get(text[4:], "")

    return text