from stdint import *
import platmacro
import os._win32
import os._posix


# =============================================================================
# Workaround: TransPyC mis-resolves package-level os.xxx() calls as a local
# module. Import os._win32 / os._posix here so caller code stays intact.
# =============================================================================

def os_exists(path: str) -> bool:
    """Return whether the file/dir exists."""
    if platmacro.IS_WINDOWS:
        return os._win32.exists(path)
    return os._posix.exists(path)


def os_remove(path: str) -> int:
    """Remove a file. Returns 0 on success, -1 on failure."""
    if platmacro.IS_WINDOWS:
        return os._win32.remove(path)
    return os._posix.remove(path)


def os_isdir(path: str) -> bool:
    """Return whether the path is a directory."""
    if platmacro.IS_WINDOWS:
        return os._win32.isdir(path)
    return os._posix.isdir(path)


def os_getsize(path: str) -> int64:
    """Return file size in bytes, or -1 on failure."""
    if platmacro.IS_WINDOWS:
        return os._win32.getsize(path)
    return os._posix.getsize(path)