#!/bin/bash
# info: change dns domain ip address
# options: USER DOMAIN IP
#
# The function for changing the main ip of DNS zone.


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

# Argument definition
user=$1
domain=$2
domain_idn=$2
ip=$3
restart=$4

# Includes
source $HESTIA/func/main.sh
source $HESTIA/func/domain.sh
source $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' "$#" 'USER DOMAIN IP'
is_format_valid 'user' 'domain' 'ip'
is_system_enabled "$DNS_SYSTEM" '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"

# Perform verification if read-only mode is enabled
check_hestia_demo_mode


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

# Get old ip
get_domain_values 'dns'
old=$IP

# Changing ip
update_object_value 'dns' 'DOMAIN' "$domain" '$IP' "$ip"

# Changing records
sed -i "s/$old/$ip/g" $USER_DATA/dns/$domain.conf

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

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


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

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

# Logging
log_history "changed dns ip for $domain to $ip"
log_event "$OK" "$ARGUMENTS"

exit
