##
# Script to install (if they do not exist) the SQLite library
##

import os
import shutil

Import('env')
sqlite_env = env.Clone()

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

targets_need_sqlite = ['linux', 'android']
sqlite_dir      = src_dir + '/extlibs/sqlite3/'
sqlite_build_dir      = src_dir + '/extlibs/sqlite3/sqlite-amalgamation-3081101/'
sqlite_zip_file = src_dir + '/extlibs/sqlite3/sqlite-amalgamation-3081101.zip'
sqlite_url      = 'http://www.sqlite.org/2015/sqlite-amalgamation-3081101.zip'

# Download
if target_os in targets_need_sqlite:
	print '*** Checking for installation of SQLite 3.8.11.1 ***'
	if not os.path.exists(sqlite_dir + 'sqlite3.c') or not os.path.exists(sqlite_dir + 'sqlite3.h'):

	    # If the zip file is not already present, download it
		if not os.path.exists(sqlite_zip_file):
			sqlite_zip = sqlite_env.Download(sqlite_zip_file, sqlite_url)
		else:
			sqlite_zip = sqlite_zip_file

		# Unzip the lib
		print 'Unzipping SQLite amalgamation src...'
		sqlite_env.UnpackAll(sqlite_build_dir, sqlite_zip)
		print 'Unzipping SQLite amalgamation src complete'

		# Move requried src and header
		os.rename(sqlite_build_dir + 'sqlite3.c', sqlite_dir + 'sqlite3.c')
		os.rename(sqlite_build_dir + 'sqlite3.h', sqlite_dir + 'sqlite3.h')
		os.remove(sqlite_zip_file)
		shutil.rmtree(sqlite_build_dir)

# Build will be done with provisioning manager module.