#!/bin/sh

HOOK_POINT=$1
STATUS_FILE=/tmp/build.status
CMD_DIR=`dirname "$0"`
LSADDON_DIR=/usr/local/cpanel/whostmgr/docroot/cgi/lsws
LSWS_HOME_DEF=${LSADDON_DIR}/LSWS_HOME.config

# detect if litespeed installed
if [ ! -f "$LSWS_HOME_DEF" ] ; then
    echo "   LiteSpeed is not installed, skip hook operation"
    exit 1
else
    LSWS_HOME=`cat "${LSWS_HOME_DEF}"`
    LSWS_HOME=`expr "$LSWS_HOME" : "LSWS_HOME=\(.*\)"`
fi

. ${CMD_DIR}/lsws_func 2>/dev/null
if [ $? != 0 ]; then
    . ${CMD_DIR}/lsws_func
    if [ $? != 0 ]; then
        echo [ERROR] Can not include 'lsws_func'.
        exit 1
    fi
fi


init_var

switch_to_apache()
{
    "${CMD_DIR}"/lsws_cmd.sh "${LSWS_HOME}" SWITCH_TO_APACHE
}

switch_to_litespeed()
{
    "${CMD_DIR}"/lsws_cmd.sh "${LSWS_HOME}" SWITCH_TO_LSWS
}

LSEAHook_before_httpd_restart_tests()
{
    if [ -f $STATUS_FILE ] ; then
        STATUS=`cat $STATUS_FILE`

        if [ "x$STATUS" = "xswitch" ] ; then
            echo "Switch to Apache"
            switch_to_apache
        fi
    fi

}

LSEAHook_after_httpd_restart_tests()
{
    if [ -f $STATUS_FILE ] ; then
        STATUS=`cat $STATUS_FILE`

        if [ "x$STATUS" = "xswitch" ] ; then

            echo "Switch to LiteSpeed"
            switch_to_litespeed
        fi

        if [ "x$STATUS" = "xoffset" ] ; then
            echo "Bring up LiteSpeed on port offset"
            $LSWS_CTLCMD restart 2>&1
        fi
    fi

}

LSEAHook_before_apache_make()
{

    # detect if Apache is running
    detect_ap_pid

    if [ $APPID -eq 0 ] ; then # Apache not running
	echo "switch" > $STATUS_FILE
    else
    # Apache is running
    # check if LiteSpeed is running
	detect_lsws_pid

	if [ $LSPID -ne 0 ] ; then # LS running port offset
	    echo "offset" > $STATUS_FILE
	    echo "LiteSpeed is running on port offset, need to switch to Apache first"
	    switch_to_apache
	else
	    echo "no" > $STATUS_FILE
	fi
	
    fi

}


echo " -- LiteSpeed WHM hooks begin: $HOOK_POINT $2"

if [ "$HOOK_POINT" = "before_httpd_restart_tests" ] ; then
    LSEAHook_before_httpd_restart_tests $2

elif [ "$HOOK_POINT" = "after_httpd_restart_tests" ] ; then
    LSEAHook_after_httpd_restart_tests $2

elif [ "$HOOK_POINT" = "before_apache_make" ] ; then
    LSEAHook_before_apache_make
    
elif [ "$HOOK_POINT" = "REFRESH" ] ; then
    EasyApacheHookRefresh
    
else
    echo "Not supported hook point $HOOK_POINT, abort"
fi

echo " -- LiteSpeed WHM hooks end: $HOOK_POINT"