#!/bin/bash

###############################################################
#   This script should be hooked when invoking SYNOShareSet()
#   Usable environment variable:
#       ORIGIN_SHARE_NAME, SHARE_NAME, ORIGIN_SHARE_PATH, SHARE_PATH,
#       ORIGIN_SHARE_STATUS, SHARE_STATUS
#
#   Note: The script should bear to be invoked multiple times
###############################################################

if [ ! -f /var/packages/LogCenter/target/service/sharehook/SyslogShareCommon.sh ];then
    exit 0
fi

. /var/packages/LogCenter/target/service/sharehook/SyslogShareCommon.sh
. /var/packages/LogCenter/scripts/pkg_utils

PackageInfoGet

LocationChangeCheck(){
    # Only hooked when share name or share path changed
    if [[ "${ORIGIN_SHARE_NAME}" != "${SHARE_NAME}" || "${ORIGIN_SHARE_PATH}" != "${SHARE_PATH}" ||
        ( "${ORIGIN_SHARE_STATUS}" = "decrypt" && "${SHARE_STATUS}" = "normal" ) ||
        ( "${ORIGIN_SHARE_STATUS}" = "normal" && "${SHARE_STATUS}" = "decrypt" ) ]];then
        NEED_HOOK=1
    else
        NEED_HOOK=0
    fi
}

case $1 in
    --sdk-mod-ver)
        echo "${SYSLOGNG_PKG_MODVER}"
    ;;
    --name)
        echo "${SYSLOGNG_PKG_NAME}"
    ;;
    --pkg-ver)
        echo "${SYSLOGNG_PKG_VERSION}"
    ;;
    --vendor)
        echo "${SYSLOGNG_PKG_VENDOR}"
    ;;
    --pre)
        if ! IsController ;then
            exit
        fi
        if ! IsServiceShare "${ORIGIN_SHARE_NAME}" ;then
            exit
        fi

        # volume offline
        if [ "${ORIGIN_SHARE_OFFLINE}" = "0" ] && [ "${SHARE_OFFLINE}" = "1" ];then
            StopSharedFolderServices
            exit
        fi

        if [ "${SHARE_ENABLE}" = "1" ];then
            exit
        fi
        StopSharedFolderServices
    ;;
    --post)
        if ! IsController ;then
            exit
        fi
        #Actions after share set
        if ! IsServiceShare "${ORIGIN_SHARE_NAME}" ;then
            exit
        fi

        # volume online
        if [ "${ORIGIN_SHARE_OFFLINE}" -eq "1" ] && [ "${SHARE_OFFLINE}" -eq "0" ];then
            StartAllServices
            exit
        fi

        #Check hook condition
        LocationChangeCheck;
        if [ "1" != "${NEED_HOOK}" ];then
            exit;
        fi

        #Check action success or not
        if [ "0" = "${RESULT}" ];then
            SyslogServiceLocSet
            StartAllServices
            SyslogMailShareRename
        fi

        ################################################
        # PS: Service is resumed/disabled by service framework
        ################################################
    ;;
    *)
        echo "Usage: $0 --sdk-mod-ver|--name|--pkg-ver|--vendor|--pre|--post"
    ;;
esac