#!/usr/bin/env python

import sys
sys.path.append('../..')
import config
import base
import os

def docker_build(image_name, dockerfile_dir, base_dir, mount_build=False):
  base.cmd('docker', ['build', '-t', image_name, dockerfile_dir])
  vlc_dir = base_dir + '/vlc'
  if mount_build:
    build_dir = base_dir + '/build'
    if not base.is_dir(build_dir):
      base.create_dir(build_dir)
    base.cmd('docker', ['run', '--rm', '-v', vlc_dir + ':/vlc', '-v', build_dir + ':/build', image_name])
  else:
    base.cmd('docker', ['run', '--rm', '-v', vlc_dir + ':/vlc', image_name])
  base.cmd('docker', ['image', 'rm', image_name])
  return

def form_build_win(src_dir, dest_dir):
  if not base.is_dir(dest_dir):
    base.create_dir(dest_dir)
  # copy include
  base.copy_dir(src_dir + '/sdk/include', dest_dir + '/include')
  # form lib dir
  base.create_dir(dest_dir + '/lib')
  base.copy_file(src_dir + '/sdk/lib/libvlc.lib', dest_dir + '/lib/vlc.lib')
  base.copy_file(src_dir + '/sdk/lib/libvlccore.lib', dest_dir + '/lib/vlccore.lib')
  base.copy_dir(src_dir + '/plugins', dest_dir + '/lib/plugins')
  base.copy_file(src_dir + '/libvlc.dll', dest_dir + '/lib')
  base.copy_file(src_dir + '/libvlccore.dll', dest_dir + '/lib')
  base.copy_file(src_dir + '/vlc-cache-gen.exe', dest_dir + '/lib')
  # generate cache file 'plugins.dat' for plugins loading
  base.cmd_exe(dest_dir + '/lib/vlc-cache-gen', [dest_dir + '/lib/plugins'])
  return


def make():

  print("[fetch & build]: libvlc")

  base_dir = base.get_script_dir() + "/../../core/Common/3dParty/libvlc"
  vlc_dir = base_dir + '/vlc'
  vlc_version = '3.0.18'

  old_cur = os.getcwd()
  os.chdir(base_dir)

  if not base.is_dir(vlc_dir):
    # temporary disable auto CRLF for Windows
    if "windows" == base.host_platform():
      autocrlf_old = base.run_command('git config --global core.autocrlf')['stdout']
      base.cmd("git", ["config", "--global", "core.autocrlf", "false"])
    base.cmd("git", ["clone", "https://code.videolan.org/videolan/vlc.git", "--branch", vlc_version])
    if "windows" == base.host_platform():
      base.cmd("git", ["config", "--global", "core.autocrlf", autocrlf_old])

  # windows
  if "windows" == base.host_platform():
    if config.check_option("platform", "win_64"):
      docker_build('libvlc-win64', base_dir + '/tools/win_64', base_dir)
      form_build_win(vlc_dir + '/build/win64/vlc-' + vlc_version, base_dir + '/build/win_64')
      
    if config.check_option("platform", "win_32"):
      docker_build('libvlc-win32', base_dir + '/tools/win_32', base_dir)
      form_build_win(vlc_dir + '/build/win32/vlc-' + vlc_version, base_dir + '/build/win_32')

  # linux
  if config.check_option("platform", "linux_64"):
    docker_build('libvlc-linux64', base_dir + '/tools/linux_64', base_dir, True)

  os.chdir(old_cur)
  return