#!/usr/bin/env python

import os
import subprocess
import sys

from lib.config import DIST_ARCH


SOURCE_ROOT = os.path.abspath(os.path.dirname(os.path.dirname(__file__)))


def main():
  os.chdir(SOURCE_ROOT)

  update_external_binaries()
  return update_gyp()


def update_external_binaries():
  uf = os.path.join('script', 'update-external-binaries.py')
  subprocess.check_call([sys.executable, uf])


def update_gyp():
  target_arch = DIST_ARCH
  if sys.platform == 'darwin':
    # Only have 64bit build on OS X.
    target_arch = 'x64'
  elif sys.platform in ['cygwin', 'win32']:
    # Only have 32bit build on Windows.
    target_arch = 'ia32'

  # Since gyp doesn't support specify link_settings for each configuration,
  # we are not able to link to different libraries in  "Debug" and "Release"
  # configurations.
  # In order to work around this, we decided to generate the configuration
  # for twice, one is to generate "Debug" config, the other one to generate
  # the "Release" config. And the settings are controlled by the variable
  # "libchromiumcontent_component" which is defined before running gyp.
  return (run_gyp(target_arch, 0) or run_gyp(target_arch, 1))


def run_gyp(target_arch, component):
  python = sys.executable
  if sys.platform == 'cygwin':
    # Force using win32 python on cygwin.
    python = os.path.join('vendor', 'python_26', 'python.exe')
  gyp = os.path.join('vendor', 'brightray', 'vendor', 'gyp', 'gyp_main.py')
  return subprocess.call([python, gyp,
                          '-f', 'ninja', '--depth', '.', 'atom.gyp',
                          '-Icommon.gypi',
                          '-Dlibchromiumcontent_component={0}'.format(component),
                          '-Dlinux_clang=0',  # FIXME remove me.
                          '-Dtarget_arch={0}'.format(target_arch),
                          '-Dlibrary=static_library'])


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