#!/usr/bin/env python
# Copyright 2018 The Chromium Authors. All rights reserved.
# Use of this source code is governed by a BSD-style license that can be
# found in the LICENSE file.

"""Create a wrapper script to manage an Android App Bundle."""

import argparse
import os
import string
import sys

from util import build_utils

SCRIPT_TEMPLATE = string.Template("""\
#!/usr/bin/env python
#
# This file was generated by build/android/gyp/create_bundle_wrapper_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(${WRAPPED_SCRIPT_DIR}))
  import apk_operations

  apk_operations.RunForBundle(output_directory=resolve(${OUTPUT_DIR}),
                              bundle_path=resolve(${BUNDLE_PATH}),
                              bundle_apks_path=resolve(${BUNDLE_APKS_PATH}),
                              aapt2_path=resolve(${AAPT2_PATH}),
                              keystore_path=resolve(${KEYSTORE_PATH}),
                              keystore_password=${KEYSTORE_PASSWORD},
                              keystore_alias=${KEY_NAME},
                              package_name=${PACKAGE_NAME},
                              command_line_flags_file=${FLAGS_FILE},
                              proguard_mapping_path=resolve(${MAPPING_PATH}),
                              target_cpu=${TARGET_CPU})

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


def main(args):
  args = build_utils.ExpandFileArgs(args)
  parser = argparse.ArgumentParser()
  parser.add_argument('--script-output-path', required=True,
                      help='Output path for executable script.')
  parser.add_argument('--bundle-path', required=True)
  parser.add_argument('--bundle-apks-path', required=True)
  parser.add_argument('--package-name', required=True)
  parser.add_argument('--aapt2-path', required=True)
  parser.add_argument('--keystore-path', required=True)
  parser.add_argument('--keystore-password', required=True)
  parser.add_argument('--key-name', required=True)
  parser.add_argument('--command-line-flags-file')
  parser.add_argument('--proguard-mapping-path')
  parser.add_argument('--target-cpu')
  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))

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

  with open(args.script_output_path, 'w') as script:
    script_dict = {
        'WRAPPED_SCRIPT_DIR': repr(wrapped_script_dir),
        'OUTPUT_DIR': repr(relativize('.')),
        'BUNDLE_PATH': repr(relativize(args.bundle_path)),
        'BUNDLE_APKS_PATH': repr(relativize(args.bundle_apks_path)),
        'PACKAGE_NAME': repr(args.package_name),
        'AAPT2_PATH': repr(relativize(args.aapt2_path)),
        'KEYSTORE_PATH': repr(relativize(args.keystore_path)),
        'KEYSTORE_PASSWORD': repr(args.keystore_password),
        'KEY_NAME': repr(args.key_name),
        '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, 0750)
  return 0


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