#!/bin/bash
# info: add mail account forward-only flag
# options: USER DOMAIN ACCOUNT
#
# example: v-add-mail-account-fwd-only admin example.com user
#
# This function adds fwd-only flag

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

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

# 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"

# Define mail user
if [ "$MAIL_SYSTEM" = 'exim4' ]; then
	MAIL_USER=Debian-exim
else
	MAIL_USER=exim
fi

# 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' "$#" 'USER DOMAIN ACCOUNT'
is_format_valid 'user' 'domain' 'account'
is_system_enabled "$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"
fwd=$(get_object_value "mail/$domain" 'ACCOUNT' "$account" '$FWD')
if [ -z "$fwd" ]; then
	echo "Error: forward doesn't exist"
	log_event "$E_NOTEXIST" "$ARGUMENTS"
	exit "$E_NOTEXIST"
fi

# Perform verification if read-only mode is enabled
check_hestia_demo_mode

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

# Adding account to fwd_only
if [[ "$MAIL_SYSTEM" =~ exim ]]; then
	echo "$account" >> $HOMEDIR/$user/conf/mail/$domain/fwd_only
	chown -R $MAIL_USER:mail $HOMEDIR/$user/conf/mail/$domain/fwd_only
fi

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

# Updating config
add_object_key "mail/$domain" 'ACCOUNT' "$account" 'FWD_ONLY' 'MD5'
update_object_value "mail/$domain" 'ACCOUNT' "$account" '$FWD_ONLY' "yes"

# Logging
$BIN/v-log-action "$user" "Warning" "Mail" "Forward-only flag enabled on mail account $account@$domain."
log_event "$OK" "$ARGUMENTS"

exit