###########################################
#   passed params

DL_METHOD="__dl_method__"
ENABLE_MAILHEADER=__enable_mailheader__
LSAPI_VERSION=__lsapi_version__

###########################################

echo "============================================================="
main_msg "Preparing all source code for building PHP ${PHP_VERSION} with LSAPI ${LSAPI_VERSION}"
echo "============================================================="
echo `date`
echo ""

echo "Changing to build directory ${PHP_BUILD_DIR}" 
cd ${PHP_BUILD_DIR}
check_errs $? "Could not get into build directory"

if [ -e "php-${PHP_VERSION}" ] ; then
	rm -rf php-${PHP_VERSION}
	check_errs $? "Could not delete old php directory ${PHP_BUILD_DIR}/php-${PHP_VERSION}"
fi

test_phpsrc_ok()
{
	main_msg "Extracting PHP source archive: tar -zxf ${1}" 
	tar -zxf ${1}
	if [ "$?" -ne "0" ] ; then
		## remove bad copy
		rm -f ${1}
		main_msg "Could not extract PHP source archive"
		return 1
	fi
	return 0
}


PHP_SRC=php-${PHP_VERSION}.tar.gz
PHP_SRC_READY=N

if [ -e "${PHP_SRC}" ] ; then
	main_msg "${PHP_SRC} already downloaded, use the saved copy."
	test_phpsrc_ok ${PHP_SRC}
	if [ "$?" -eq "0" ] ; then
		PHP_SRC_READY=Y
	fi
fi

if [ "${PHP_SRC_READY}" = "N" ] && [ `expr ${PHP_VERSION} : ".*alpha\|.*beta\|.*RC"` -gt 0 ] ; then
	DOWNLOAD_URL="https://downloads.php.net/~ab/${PHP_SRC}"
	main_msg "Retrieving PHP source archive from ${DOWNLOAD_URL}" 
	${DL_METHOD} ${PHP_SRC} ${DOWNLOAD_URL}

	test_phpsrc_ok ${PHP_SRC}
	if [ "$?" -eq "0" ] ; then
		PHP_SRC_READY=Y
	fi
fi

if [ "${PHP_SRC_READY}" = "N" ] ; then
	DOWNLOAD_URL="http://php.net/distributions/${PHP_SRC}"
	main_msg "Retrieving PHP source archive from ${DOWNLOAD_URL}" 
	${DL_METHOD} ${PHP_SRC} ${DOWNLOAD_URL}

	test_phpsrc_ok ${PHP_SRC}
	if [ "$?" -eq "0" ] ; then
		PHP_SRC_READY=Y
	fi
fi

if [ "${PHP_SRC_READY}" = "N" ] ; then
	DOWNLOAD_URL="http://us1.php.net/distributions/${PHP_SRC}"
	main_msg "Retrieving PHP source archive from ${DOWNLOAD_URL}" 
	${DL_METHOD} ${PHP_SRC} ${DOWNLOAD_URL}

	test_phpsrc_ok ${PHP_SRC}
	if [ "$?" -eq "0" ] ; then
		PHP_SRC_READY=Y
	fi
fi

if [ "${PHP_SRC_READY}" = "N" ] ; then
	DOWNLOAD_URL="http://us2.php.net/distributions/${PHP_SRC}"
	main_msg "Retrieving PHP source archive from ${DOWNLOAD_URL}" 
	${DL_METHOD} ${PHP_SRC} ${DOWNLOAD_URL}

	test_phpsrc_ok ${PHP_SRC}
	if [ "$?" -eq "0" ] ; then
		PHP_SRC_READY=Y
	fi
fi

if [ "${PHP_SRC_READY}" = "N" ] ; then
	DOWNLOAD_URL="http://us3.php.net/distributions/${PHP_SRC}"
	main_msg "Retrieving PHP source archive from ${DOWNLOAD_URL}" 
	${DL_METHOD} ${PHP_SRC} ${DOWNLOAD_URL}

	test_phpsrc_ok ${PHP_SRC}
	if [ "$?" -eq "0" ] ; then
		PHP_SRC_READY=Y
	fi
fi

if [ "${PHP_SRC_READY}" = "N" ] ; then
	MAIN_VER=`expr "${PHP_VERSION}" : "\(.\)"`
	DOWNLOAD_URL="http://museum.php.net/php${MAIN_VER}/${PHP_SRC}"
	main_msg "Try again, retrieving PHP source archive from ${DOWNLOAD_URL}" 
	${DL_METHOD} ${PHP_SRC} ${DOWNLOAD_URL}

	test_phpsrc_ok ${PHP_SRC}
	if [ "$?" -eq "0" ] ; then
		PHP_SRC_READY=Y
	fi
fi

if [ "${PHP_SRC_READY}" = "N" ] ; then
	check_errs $? "Fail to retrieve PHP source archive. Please try manually download."
fi
	
echo ""


if [ "${ENABLE_MAILHEADER}" -eq 1 ] ; then

	MAILHEADER_VER=`expr ${PHP_VERSION} : "\(.\..\)"`
	if [ "${MAILHEADER_VER}" = "5.2" ] ; then
		MAILHEADER_VER=5.2.x
	elif [ "${MAILHEADER_VER}" = "5.3" ] ; then 
		MAILHEADER_VER=5.3.x
	elif [ "${MAILHEADER_VER}" = "5.4" ] ; then 
		MAILHEADER_VER=5.4.x
	elif [ "${MAILHEADER_VER}" = "5.5" ] ; then 
		MAILHEADER_VER=5.5.x
	elif [ "${MAILHEADER_VER}" = "5.6" ] ; then 
		MAILHEADER_VER=5.6.x
	else
		MAILHEADER_VER=${PHP_VERSION}
	fi
	
	MHPATCH="php-${MAILHEADER_VER}-mail-header.patch"
	
	if [ -e ${MHPATCH} ] ; then
		rm -f ${MHPATCH}
		check_errs $? "Could not delete old copy ${MHPATCH}"
	fi

	DOWNLOAD_URL="http://choon.net/opensource/php/${MHPATCH}"
	main_msg "Retrieving mail header patch from ${DOWNLOAD_URL}"
	${DL_METHOD} ${MHPATCH} ${DOWNLOAD_URL}
	check_errs $? "Could not retrieve mail header patch"
	echo ""
	
	main_msg "Patching source with mail header patch"
	cd php-${PHP_VERSION}
	patch -p1 < ../${MHPATCH}
	check_errs $? "Could not patch source with mail header patch"
	cd ..
	echo ""
fi

# get LSAPI

if [ -e php-litespeed-${LSAPI_VERSION}.tgz ] ; then
	rm -f php-litespeed-${LSAPI_VERSION}.tgz
	check_errs $? "Could not delete old lsapi copy php-litespeed-${LSAPI_VERSION}.tgz"
fi

DOWNLOAD_URL="http://www.litespeedtech.com/packages/lsapi/php-litespeed-${LSAPI_VERSION}.tgz"
main_msg "Retrieving LSAPI from ${DOWNLOAD_URL}"
${DL_METHOD} "php-litespeed-${LSAPI_VERSION}.tgz" ${DOWNLOAD_URL}
check_errs $? "Could not retrieve LSAPI archive"

cd php-${PHP_VERSION}/sapi
check_errs $? "Could not get into php/sapi directory"

if [ -e litespeed/Makefile.frag ] ; then
	mv -f litespeed/Makefile.frag litespeed/Makefile.frag.package 
fi

main_msg "Extracting LSAPI archive: tar -xzf php-litespeed-${LSAPI_VERSION}.tgz" 
tar -xzf "../../php-litespeed-${LSAPI_VERSION}.tgz"
check_errs $? "Could not extract LSAPI archive"

if [ -e litespeed/Makefile.frag.package ] ; then
	mv -f litespeed/Makefile.frag.package litespeed/Makefile.frag 
fi

echo ""
echo "============================================================="
main_msg "Finished gathering all source code for building PHP ${PHP_VERSION}"
echo "============================================================="
echo `date`
echo ""