#!/usr/bin/env python3
# Copyright 2017 The Chromium Authors
# Use of this source code is governed by a BSD-style license that can be
# found in the LICENSE file.


import argparse
import os
import string
import sys

from util import build_utils

SCRIPT_TEMPLATE = string.Template("""\
#!/usr/bin/env vpython3
#
# This file was generated by build/android/gyp/create_apk_operations_script.py

import os
import sys

def main():
  script_directory = os.path.dirname(__file__)
  resolve = lambda p: p if p is None else os.path.abspath(os.path.join(
      script_directory, p))
  sys.path.append(resolve(${APK_OPERATIONS_DIR}))
  import apk_operations
  output_dir = resolve(${OUTPUT_DIR})
  apk_operations.Run(
      output_dir,
      resolve(${APK_PATH}),
      [resolve(p) for p in ${ADDITIONAL_APK_PATHS}],
      resolve(${INC_JSON_PATH}),
      ${FLAGS_FILE},
      ${TARGET_CPU},
      resolve(${MAPPING_PATH}))


if __name__ == '__main__':
  sys.exit(main())
""")


def main(args):
    args = build_utils.ExpandFileArgs(args)
    parser = argparse.ArgumentParser()
    parser.add_argument(
        '--script-output-path', help='Output path for executable script.'
    )
    parser.add_argument('--apk-path')
    parser.add_argument('--incremental-install-json-path')
    parser.add_argument('--command-line-flags-file')
    parser.add_argument('--target-cpu')
    parser.add_argument(
        '--additional-apk-path',
        action='append',
        dest='additional_apk_paths',
        default=[],
        help='Paths to APKs to be installed prior to --apk-path.',
    )
    parser.add_argument('--proguard-mapping-path')
    args = parser.parse_args(args)

    def relativize(path):
        """Returns the path relative to the output script directory."""
        if path is None:
            return path
        return os.path.relpath(path, os.path.dirname(args.script_output_path))

    apk_operations_dir = os.path.join(os.path.dirname(__file__), os.path.pardir)
    apk_operations_dir = relativize(apk_operations_dir)

    with open(args.script_output_path, 'w', encoding='utf-8') as script:
        script_dict = {
            'APK_OPERATIONS_DIR': repr(apk_operations_dir),
            'OUTPUT_DIR': repr(relativize('.')),
            'APK_PATH': repr(relativize(args.apk_path)),
            'ADDITIONAL_APK_PATHS': [
                relativize(p) for p in args.additional_apk_paths
            ],
            'INC_JSON_PATH': repr(
                relativize(args.incremental_install_json_path)
            ),
            'MAPPING_PATH': repr(relativize(args.proguard_mapping_path)),
            'FLAGS_FILE': repr(args.command_line_flags_file),
            'TARGET_CPU': repr(args.target_cpu),
        }
        script.write(SCRIPT_TEMPLATE.substitute(script_dict))
    os.chmod(args.script_output_path, 0o750)
    return 0


if __name__ == '__main__':
    sys.exit(main(sys.argv[1:]))