#!/bin/bash
# info: change dns domain record
# options: USER DOMAIN ID VALUE [PRIORITY] [RESTART]
#
# The function for changing DNS record.


#----------------------------------------------------------#
#                    Variable&Function                     #
#----------------------------------------------------------#

# Argument defenition
user=$1
domain=$(idn -t --quiet -u "$2" )
domain=$(echo $domain | tr '[:upper:]' '[:lower:]')
domain_idn=$(idn -t --quiet -a "$domain")
id=$3
dvalue=$(idn -t --quiet -u "$4" )
dvalue=$(echo $dvalue | tr '[:upper:]' '[:lower:]')
priority=$5
restart=$6

# Includes
source $VESTA/conf/vesta.conf
source $VESTA/func/main.sh
source $VESTA/func/domain.sh


#----------------------------------------------------------#
#                    Verifications                         #
#----------------------------------------------------------#

check_args '4' "$#" 'USER DOMAIN ID VALUE [PRIORITY] [RESTART]'
validate_format 'user' 'domain' 'id' 'dvalue'
is_system_enabled "$DNS_SYSTEM"
is_object_valid 'user' 'USER' "$user"
is_object_unsuspended 'user' 'USER' "$user"
is_object_valid 'dns' 'DOMAIN' "$domain"
is_object_unsuspended 'dns' 'DOMAIN' "$domain"
is_object_valid "dns/$domain" 'ID' "$id"


#----------------------------------------------------------#
#                       Action                             #
#----------------------------------------------------------#

# Deleting old record
line=$(grep "ID='$id'" $USER_DATA/dns/$domain.conf)
eval $line
if [ "$TYPE" != 'MX' ] && [ "$TYPE" != 'SRV' ]; then
    priority=''
fi
sed -i "/^ID='$id'/d" $USER_DATA/dns/$domain.conf

# Adding record
dns_rec="ID='$id' RECORD='$RECORD' TYPE='$TYPE' PRIORITY='$priority'"
dns_rec="$dns_rec VALUE='$dvalue' SUSPENDED='no' TIME='$TIME' DATE='$DATE'"
echo "$dns_rec" >> $USER_DATA/dns/$domain.conf

# Sorting records
sort_dns_records

# Updating zone
update_domain_zone

# dns-cluster
if [ ! -z "$DNS_CLUSTER" ]; then
    cmd="v-add-remote-dns-domain $user $domain"
    echo "$cmd" >> $VESTA/data/queue/dns-cluster.pipe
fi


#----------------------------------------------------------#
#                       Vesta                              #
#----------------------------------------------------------#

# Restart named
if [ "$restart" != 'no' ]; then
    $BIN/v-restart-dns
fi

# Logging
log_history "changed dns record on $domain to $dvalue"
log_event "$OK" "$EVENT"

exit