#!/bin/bash
# info: delete dns record
# options: USER DOMAIN ID [RESTART]
#
# example: v-delete-dns-record bob acme.com 42 yes
#
# This function for deleting a certain record of DNS zone.

#----------------------------------------------------------#
#                Variables & Functions                     #
#----------------------------------------------------------#

# Argument definition
user=$1
domain=$2
domain_idn=$2
id=$3
restart=$4
quiet=$5

# Includes
# shellcheck source=/etc/hestiacp/hestia.conf
source /etc/hestiacp/hestia.conf
# shellcheck source=/usr/local/hestia/func/main.sh
source $HESTIA/func/main.sh
# shellcheck source=/usr/local/hestia/func/domain.sh
source $HESTIA/func/domain.sh
# shellcheck source=/usr/local/hestia/func/rebuild.sh
source $HESTIA/func/rebuild.sh
# load config file
source_conf "$HESTIA/conf/hestia.conf"

# Additional argument formatting
format_domain
format_domain_idn
# TODO: $domain_idn not used in this script - maybe $domain should be converted to $doman_idn ?

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

check_args '3' "$#" 'USER DOMAIN ID [RESTART]'
is_format_valid 'user' 'domain' 'id'
is_object_valid 'user' 'USER' "$user"
is_object_valid 'dns' 'DOMAIN' "$domain"
is_object_valid "dns/$domain" 'ID' "$id"
is_dns_record_critical

# Perform verification if read-only mode is enabled
check_hestia_demo_mode

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

# Deleting record
sed -i "/^ID='$id'/d" $USER_DATA/dns/$domain.conf

# Update serial
update_domain_serial
# Updating zone
if [[ "$DNS_SYSTEM" =~ named|bind ]]; then
	rebuild_dns_domain_conf
fi

# Updating dns-cluster queue
if [ "$DNS_CLUSTER" = "yes" ]; then
	# Check for first sync
	dlock=$(grep "domain $user $domain" $HESTIA/data/queue/dns-cluster.pipe)
	if [ -z "$dlock" ]; then
		cmd="$BIN/v-delete-remote-dns-record $user $domain $id"
		echo "$cmd" >> $HESTIA/data/queue/dns-cluster.pipe
	fi
fi

#----------------------------------------------------------#
#                       Hestia                             #
#----------------------------------------------------------#

# Upddate counters
records="$(wc -l $USER_DATA/dns/$domain.conf | cut -f1 -d ' ')"
update_object_value 'dns' 'DOMAIN' "$domain" '$RECORDS' "$records"
decrease_user_value "$user" '$U_DNS_RECORDS'

# Restarting named
$BIN/v-restart-dns "$restart"
check_result $? "Bind restart failed" > /dev/null

# Logging
if [ "$quiet" != "yes" ]; then
	$BIN/v-log-action "$user" "Info" "DNS" "Deleted DNS record (ID: $id, Domain: $domain)."
fi
log_event "$OK" "$ARGUMENTS"

exit