"""
Copyright (C) 2008-2022 Oracle and/or its affiliates.

This file is part of VirtualBox base platform packages, as
available from https://www.virtualbox.org.

This program is free software; you can redistribute it and/or
modify it under the terms of the GNU General Public License
as published by the Free Software Foundation, in version 3 of the
License.

This program is distributed in the hope that it will be useful, but
WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
General Public License for more details.

You should have received a copy of the GNU General Public License
along with this program; if not, see <https://www.gnu.org/licenses>.

SPDX-License-Identifier: GPL-3.0-only
"""

import xpcom
import sys
import platform

#
# This code overcomes somewhat unlucky feature of Python, where it searches
# for binaries in the same place as platfom independent modules, while
# rest of Python bindings expect _xpcom to be inside xpcom module
#

_asVBoxPythons = [
    'VBoxPython' + str(sys.version_info[0]) + '_' + str(sys.version_info[1]),
    'VBoxPython' + str(sys.version_info[0]),
    'VBoxPython'
]

# For Python 3.2 and later use the right ABI flag suffix for the module.
if sys.hexversion >= 0x030200f0 and sys.abiflags:
    _asNew = []
    for sCandidate in _asVBoxPythons:
        if sCandidate[-1:].isdigit():
            _asNew.append(sCandidate + sys.abiflags)
        else:
            _asNew.append(sCandidate)
    _asVBoxPythons = _asNew
    del _asNew

# On platforms where we ship both 32-bit and 64-bit API bindings, we have to
# look for the right set if we're a 32-bit process.
if platform.system() in [ 'SunOS', ] and sys.maxsize <= 2**32:
    _asNew = [ sCandidate + '_x86' for sCandidate in _asVBoxPythons ]
    _asNew.extend(_asVBoxPythons)
    _asVBoxPythons = _asNew
    del _asNew

# On Darwin (aka Mac OS X) we know exactly where things are in a normal
# VirtualBox installation.
## @todo Edit this at build time to the actual VBox location set in the make files.
## @todo We know the location for most hardened builds, not just darwin!
if platform.system() == 'Darwin':
    sys.path.append('/Applications/VirtualBox.app/Contents/MacOS')

_oVBoxPythonMod = None
for m in _asVBoxPythons:
    try:
        _oVBoxPythonMod =  __import__(m)
        break
    except:
        pass
    #except Exception as x:
    #    print('m=%s x=%s' % (m, x))

if platform.system() == 'Darwin':
    sys.path.remove('/Applications/VirtualBox.app/Contents/MacOS')

if _oVBoxPythonMod == None:
    raise Exception('Cannot find VBoxPython module (tried: %s)' % (', '.join(_asVBoxPythons),))

sys.modules['xpcom._xpcom'] = _oVBoxPythonMod
xpcom._xpcom = _oVBoxPythonMod

