##
# Script to install (if they do not exist) the Android SDK library (ie. Android JDK)
##

import os, subprocess, struct
import urllib.request, urllib.error, urllib.parse, urllib.parse
import SCons.Errors
import shutil

Import('env')

target_os = env.get('TARGET_OS')
src_dir = env.get('SRC_DIR')

SConscript(src_dir + '/build_common/tools/UnpackAll.py')
SConscript(src_dir + '/build_common/external_libs.scons')

# Download
if target_os == 'android':
	android_home = env.get('ANDROID_HOME')
	if not android_home:
		print('Creating ANDROID_HOME for Android SDK')

		# older IoTivity versions expected the SDK at this position, this is left for backwards compatibility
		androidlib_dir      = src_dir + '/extlibs/android/sdk/android-sdk_r24.2'

		if not os.path.exists(androidlib_dir):
			from sys import platform as _platform
			if _platform == "linux" or _platform == "linux2":
				androidlib_zip_file = src_dir + '/extlibs/android/android-sdk_r24.2-linux.tgz'
				androidlib_url      = 'http://dl.google.com/android/android-sdk_r24.2-linux.tgz'
				androidlib_dir      = src_dir + '/extlibs/android/sdk/android-sdk-linux'
			elif _platform == "darwin":
				androidlib_zip_file = src_dir + '/extlibs/android/android-sdk_r24.2-macosx.zip'
				androidlib_url      = 'http://dl.google.com/android/android-sdk_r24.2-macosx.zip'
				androidlib_dir      = src_dir + '/extlibs/android/sdk/android-sdk-macosx'
			elif _platform == "win32":
				androidlib_zip_file = src_dir + '/extlibs/android/android-sdk_r24.2-windows.zip'
				androidlib_url      = 'http://dl.google.com/android/android-sdk_r24.2-windows.zip'
				androidlib_dir      = src_dir + '/extlibs/android/sdk/android-sdk-windows'

		if not os.path.exists(androidlib_dir):
			# If the zip file is not already present, download it
			if not os.path.exists(androidlib_zip_file):
				androidlib_zip = env.Download(androidlib_zip_file, androidlib_url)
			else:
				androidlib_zip = androidlib_zip_file

			# Unzip the lib
			print('Unzipping android lib...')
			env.UnpackAll(androidlib_dir, androidlib_zip)
			print('Unzipping android lib complete')

			# Remove downloaded file
#			os.remove(androidlib_zip_file)
	else:
		androidlib_dir = env.get('ANDROID_HOME')

# Set the ANDROID_HOME
env.Replace(ANDROID_HOME = androidlib_dir)
print('ANDROID_HOME = ' + env.get('ANDROID_HOME'))