#!/usr/bin/env python3

"""

    Get the toolchains path

    https://proandroiddev.com/tutorial-compile-openssl-to-1-1-1-for-android-application-87137968fee

"""

import argparse

import atexit

import inspect

import os

import shutil

import stat

import sys

import textwrap

def get_host_tag_or_die():

    """Return the host tag for this platform. Die if not supported."""

    if sys.platform.startswith('linux'):

        return 'linux-x86_64'

    elif sys.platform == 'darwin':

        return 'darwin-x86_64'

    elif sys.platform == 'win32' or sys.platform == 'cygwin':

        host_tag = 'windows-x86_64'

        if not os.path.exists(os.path.join(NDK_DIR, 'prebuilt', host_tag)):

            host_tag = 'windows'

        return host_tag

    sys.exit('Unsupported platform: ' + sys.platform)

def get_toolchain_path_or_die(ndk, host_tag):

    """Return the toolchain path or die."""

    toolchain_path = os.path.join(ndk, 'toolchains/llvm/prebuilt',

                                  host_tag, 'bin')

    if not os.path.exists(toolchain_path):

        sys.exit('Could not find toolchain: {}'.format(toolchain_path))

    return toolchain_path

def main():

    """Program entry point."""

    parser = argparse.ArgumentParser(description='Optional app description')

    parser.add_argument('--ndk', required=True,

                    help='The NDK Home directory')

    args = parser.parse_args()

    host_tag = get_host_tag_or_die()

    toolchain_path = get_toolchain_path_or_die(args.ndk, host_tag)

    print(toolchain_path)

if __name__ == '__main__':

    main()