#!/usr/bin/env python3
# Copyright (C) 2018 The Qt Company Ltd.
# SPDX-License-Identifier: LicenseRef-Qt-Commercial OR GPL-3.0-only WITH Qt-GPL-exception-1.0

import argparse
import os
import shutil
import subprocess
import tempfile
import time

import common

def parse_arguments():
    parser = argparse.ArgumentParser(description='Create Qt Creator disk image, filtering out debug information files.',
        epilog="To sign the contents before packaging on macOS, set the SIGNING_IDENTITY and optionally the SIGNING_FLAGS environment variables.")
    parser.add_argument('target_diskimage', help='output .dmg file to create')
    parser.add_argument('dmg_volumename', help='volume name to use for the disk image')
    parser.add_argument('source_directory', help='directory with the Qt Creator sources')
    parser.add_argument('binary_directory', help='directory that contains the Qt Creator.app')
    parser.add_argument('--dmg-size', default='1500m', required=False)
    parser.add_argument('--license-replacement', default=None,
        help='Absolute path to a license file which replaces the default LICENSE.GPL3-EXCEPT from Qt Creator source directory.')
    parser.add_argument('--keep-signed-content-at', default=None,
        help='For online installer we want to keep the signed .app without the dmg. This is used to create a 7z.')
    return parser.parse_args()

def main():
    arguments = parse_arguments()
    tempdir_base = tempfile.mkdtemp()
    tempdir = os.path.join(tempdir_base, os.path.basename(arguments.binary_directory))
    try:
        common.copytree(arguments.binary_directory, tempdir, symlinks=True, ignore=common.is_debug)
        if common.is_mac_platform():
            app_path = [app for app in os.listdir(tempdir) if app.endswith('.app')][0]
            common.codesign(os.path.join(tempdir, app_path))
        os.symlink('/Applications', os.path.join(tempdir, 'Applications'))
        license_file = os.path.join(arguments.source_directory, 'LICENSE.GPL3-EXCEPT')
        if (arguments.license_replacement):
            license_file = arguments.license_replacement
        shutil.copy(license_file, tempdir)
        dmg_cmd = ['hdiutil', 'create', '-srcfolder', tempdir, '-volname', arguments.dmg_volumename,
                   '-format', 'ULMO', arguments.target_diskimage, '-ov', '-scrub', '-size', arguments.dmg_size, '-verbose']
        subprocess.check_call(dmg_cmd)
        # sleep a few seconds to make sure disk image is fully unmounted etc
        time.sleep(5)
    finally:
        if arguments.keep_signed_content_at:
            shutil.move(tempdir, arguments.keep_signed_content_at)
        else:
            shutil.rmtree(tempdir_base)
if __name__ == "__main__":
    main()