#!/usr/bin/env bash

TOPO_CONF=/usr/share/sonic/platform/topo.conf
if [ -f ${TOPO_CONF} ]; then
 topo=`cat ${TOPO_CONF}`
else
 topo="none"
fi

if [ ${topo} != "none" ]; then
    BUFFER_CONFIG=/usr/share/sonic/hwsku/buffers_defaults_${topo}.j2
    QOS_CONFIG=/usr/share/sonic/hwsku/qos_defaults_${topo}.j2

    if [ "$(/usr/local/bin/sonic-cfggen -d -v TC_TO_PRIORITY_GROUP_MAP)" ] || \
       [ "$(/usr/local/bin/sonic-cfggen -d -v MAP_PFC_PRIORITY_TO_QUEUE)" ] || \
       [ "$(/usr/local/bin/sonic-cfggen -d -v TC_TO_QUEUE_MAP)" ] || \
       [ "$(/usr/local/bin/sonic-cfggen -d -v DSCP_TO_TC_MAP)" ] || \
       [ "$(/usr/local/bin/sonic-cfggen -d -v SCHEDULER)" ] || \
       [ "$(/usr/local/bin/sonic-cfggen -d -v PFC_PRIORITY_TO_PRIORITY_GROUP_MAP)" ] || \
       [ "$(/usr/local/bin/sonic-cfggen -d -v PORT_QOS_MAP)" ] || \
       [ "$(/usr/local/bin/sonic-cfggen -d -v WRED_PROFILE)" ] || \
       [ "$(/usr/local/bin/sonic-cfggen -d -v QUEUE)" ] || \
       [ "$(/usr/local/bin/sonic-cfggen -d -v CABLE_LENGTH)" ] || \
       [ "$(/usr/local/bin/sonic-cfggen -d -v BUFFER_POOL)" ] || \
       [ "$(/usr/local/bin/sonic-cfggen -d -v BUFFER_PROFILE)" ] || \
       [ "$(/usr/local/bin/sonic-cfggen -d -v BUFFER_PG)" ] || \
       [ "$(/usr/local/bin/sonic-cfggen -d -v BUFFER_QUEUE)" ]; then
        echo "Database has QoS settings, skip loading defaults"
    elif [ -f "$BUFFER_CONFIG" ] && [ -f "$QOS_CONFIG" ]; then
        /usr/local/bin/sonic-cfggen -d -t $BUFFER_CONFIG >/tmp/buffers.json
        /usr/local/bin/sonic-cfggen -d -t $QOS_CONFIG -y /etc/sonic/sonic_version.yml >/tmp/qos.json
        /usr/local/bin/sonic-cfggen -j /tmp/buffers.json --write-to-db
        /usr/local/bin/sonic-cfggen -j /tmp/qos.json --write-to-db
    else
        echo "File not found (${BUFFER_CONFIG} and/or ${QOS_CONFIG})"
    fi
else
   echo "Skip QoS config"
fi