#!/bin/bash
# info: add mail account alias aka nickname
# options: USER DOMAIN ACCOUNT ALIAS
#
# example: v-add-mail-account-alias admin acme.com alice alicia
#
# This function add new email alias.

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

# Argument definition
user=$1
domain=$2
domain_idn=$2
account=$3
malias=$4

# 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 $HESTIA/func/domain.sh
# load config file
source_conf "$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 '4' "$#" 'USER DOMAIN ACCOUNT ALIAS'
is_format_valid 'user' 'domain' 'account' 'malias'
is_system_enabled "$MAIL_SYSTEM" 'MAIL_SYSTEM'
is_object_valid 'user' 'USER' "$user"
is_object_unsuspended 'user' 'USER' "$user"
is_object_valid 'mail' 'DOMAIN' "$domain"
is_object_unsuspended 'mail' 'DOMAIN' "$domain"
is_object_valid "mail/$domain" 'ACCOUNT' "$account"
is_object_unsuspended "mail/$domain" 'ACCOUNT' "$account"
is_mail_new "$malias"

# Perform verification if read-only mode is enabled
check_hestia_demo_mode

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

# Adding exim alias
if [[ "$MAIL_SYSTEM" =~ exim ]]; then
	str="$malias@$domain_idn:$account@$domain_idn"
	echo "$str" >> $HOMEDIR/$user/conf/mail/$domain/aliases
fi

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

# Adding hestia alias
aliases=$(get_object_value "mail/$domain" 'ACCOUNT' "$account" '$ALIAS')
if [ -z "$aliases" ]; then
	aliases="$malias"
else
	aliases="$aliases,$malias"
fi
update_object_value "mail/$domain" 'ACCOUNT' "$account" '$ALIAS' "$aliases"

# Logging
$BIN/v-log-action "$user" "Info" "Mail" "Added alias $malias to mail account $account@$domain."
log_event "$OK" "$ARGUMENTS"

exit