#!/bin/bash
# info: change mail account rate limit
# options: USER DOMAIN ACCOUNT RATE
#
# example: v-change-mail-account-rate-limit admin mydomain.tld user01 100
#
# This function changes email account rate limit. Use system to use domain or "server" setting

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

# Argument definition
user=$1
domain=$2
domain_idn=$2
account=$3
rate=$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
# shellcheck source=/usr/local/hestia/func/syshealth.sh
source $HESTIA/func/syshealth.sh
# load config file
source_conf "$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' "$#" 'USER DOMAIN ACCOUNT RATE'
is_format_valid 'user' 'domain' 'account'
if [ "$rate" != 'system' ]; then
	is_format_valid 'rate'
fi
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"

# Perform verification if read-only mode is enabled
check_hestia_demo_mode

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

md5=$(get_object_value "mail/$domain" 'ACCOUNT' "$account" '$MD5')
if [[ "$MAIL_SYSTEM" =~ exim ]]; then
	if [ "$rate" = "system" ]; then
		user_rate_limit=$(get_object_value 'mail' 'DOMAIN' "$domain" '$RATE_LIMIT')
		if [ -n "$user_rate_limit" ]; then
			sed -i "/^$account@$domain_idn:/ d" $HOMEDIR/$user/conf/mail/$domain/limits
			echo "$account@$domain_idn:$user_rate_limit" >> $HOMEDIR/$user/conf/mail/$domain/limits
		else
			system=$(cat /etc/exim4/limit.conf)
			sed -i "/^$account@$domain_idn:/ d" $HOMEDIR/$user/conf/mail/$domain/limits
			echo "$account@$domain_idn:$system" >> $HOMEDIR/$user/conf/mail/$domain/limits
		fi
	else
		sed -i "/^$account@$domain_idn:/ d" $HOMEDIR/$user/conf/mail/$domain/limits
		echo "$account@$domain_idn:$rate" >> $HOMEDIR/$user/conf/mail/$domain/limits
	fi
fi

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

if [[ "$rate" = "system" ]]; then
	rate=''
fi

syshealth_repair_mail_account_config

# Update quota
update_object_value "mail/$domain" 'ACCOUNT' "$account" '$RATE_LIMIT' "$rate"

# Logging
$BIN/v-log-action "$user" "Info" "Mail" "Mail account rate limit changed (Rate: $rate, Account: $account@$domain)."
log_event "$OK" "$ARGUMENTS"

exit
