#!/bin/bash
# info: change mail account quota
# options: USER DOMAIN ACCOUNT QUOTA
#
# example: v-change-mail-account-quota admin mydomain.tld user01 unlimited
#
# This function changes email account disk quota.

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

# Argument definition
user=$1
domain=$2
domain_idn=$2
account=$3
quota=$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' "$#" 'USER DOMAIN ACCOUNT QUOTA'
is_format_valid 'user' 'domain' 'account'
if [ "$quota" != 'unlimited' ]; then
	is_format_valid 'quota'
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 [[ "$MAIL_SYSTEM" =~ exim ]]; then
	if [ "$quota" = 'unlimited' ]; then
		quota=0
	fi
	sed -i "/^$account:/d" "$HOMEDIR/$user/conf/mail/$domain/passwd"
	str="$account:$md5:$user:mail::$HOMEDIR/$user:${quota}:userdb_quota_rule=*:storage=${quota}M"
	echo "$str" >> "$HOMEDIR/$user/conf/mail/$domain/passwd"
fi

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

if [[ "$quota" -eq 0 ]]; then
	quota='unlimited'
fi

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

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

exit
