import datetime
import inspect
import os.path
import sys
from typing import Any


def get_script_dir(follow_symlinks=True):
    """return path of the executed script"""
    if getattr(sys, 'frozen', False):
        path = os.path.abspath(sys.executable)
    else:
        if '__main__' in sys.modules and hasattr(sys.modules['__main__'], '__file__'):
            path = sys.modules['__main__'].__file__
        else:
            path = inspect.getabsfile(get_script_dir)

    if follow_symlinks:
        path = os.path.realpath(path)

    return os.path.dirname(path)


def compare(a: Any, b: Any) -> int:
    """compare to values, return -1 if a is smaller than b, 1 if a is greater than b, 0 is both are equal"""
    return bool(a > b) - bool(a < b)


def human_readable_time_from_delta(delta: datetime.timedelta) -> str:
    time_str = ""
    if delta.days > 0:
        time_str += "%d days, " % delta.days

    if delta.seconds > 3600:
        time_str += "%02d:" % (delta.seconds // 3600)
    else:
        time_str += "00:"

    if delta.seconds % 3600 > 60:
        time_str += "%02d:" % (delta.seconds % 3600 // 60)
    else:
        time_str += "00:"

    return time_str + "%02d" % (delta.seconds % 60)