# pylint: disable=missing-module-docstring,missing-function-docstring

from __future__ import print_function, unicode_literals

from fnmatch import fnmatch
from zipfile import ZipFile
from tarfile import TarFile


def extract_first(fileobj, pat):
    if isinstance(fileobj, ZipFile):
        return zipfile_match_and_extract(fileobj, pat)

    if isinstance(fileobj, TarFile):
        return tarfile_match_and_extract(fileobj, pat)

    raise Exception("Don't know how to extract %s file type" % type(fileobj))


def zipfile_match_and_extract(zip_file, pat):
    item_name = next((info.filename for info in zip_file.infolist() if fnmatch(info.filename, pat)), None)
    if item_name is None:
        return None
    return zip_file.read(item_name).decode(errors='ignore')


def tarfile_match_and_extract(tar_file, pat):
    item_name = next((name for name in tar_file.getnames() if fnmatch(name, pat)), None)
    if not item_name:
        return None

    file_obj = tar_file.extractfile(item_name)
    return file_obj.read().decode(errors='ignore')


def safe(version):
    return version.replace('\n', '-').replace('\\', '-').replace('#', '-')


def get_key(data, key, *d):
    value = data.get(key, *d)
    if value == 'UNKNOWN':
        if not d:
            raise KeyError(key)
        value = d[0]
    return value


def pop_key(data, key, *d):
    value = data.pop(key, *d)
    if value == 'UNKNOWN':
        if not d:
            raise KeyError(key)
        value = d[0]
    return value
