#!/bin/bash
# info: delete web domain alias
# options: user domain alias [restart]
#
# The function of deleting the alias domain (parked domain). By this call
# default www aliase can be removed as well.


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

# Argument defenition
user=$1
domain=$(idn -t --quiet -u "$2" )
domain_idn=$(idn -t --quiet -a "$domain" )
dom_alias=$(idn -t --quiet -u "$3" )
dom_alias_idn=$(idn -t --quiet -a "$dom_alias" )
restart="$4"

# Includes
source $VESTA/conf/vesta.conf
source $VESTA/func/main.sh
source $VESTA/func/domain.sh


#----------------------------------------------------------#
#                    Verifications                         #
#----------------------------------------------------------#

check_args '3' "$#" 'user domain dom_alias [restart]'
validate_format 'user' 'domain' 'dom_alias'
is_system_enabled 'WEB_SYSTEM'
is_object_valid 'user' 'USER' "$user"
is_object_unsuspended 'user' 'USER' "$user"
is_object_valid 'web' 'DOMAIN' "$domain"
is_object_unsuspended 'web' 'DOMAIN' "$domain"
get_domain_values 'web'
if [ -z "$(echo $ALIAS | tr ',' '\n' | grep ^$dom_alias$)" ]; then
    echo "Error: alias $dom_alias not exist"
    log_event "$E_NOTEXIST" "$EVENT"
    exit $E_NOTEXIST
fi


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

# Defining new alias string
ALIAS=$(echo "$ALIAS" |\
    sed -e "s/,/\n/g"|\
    sed -e "s/^$dom_alias$//g"|\
    sed -e "/^$/d"|\
    sed -e ':a;N;$!ba;s/\n/,/g')
tpl_file="$WEBTPL/apache_$TPL.tpl"
conf="$HOMEDIR/$user/conf/web/httpd.conf"

# Preparing domain values for the template substitution
upd_web_domain_values

# Recreating vhost
del_web_config
add_web_config

if [ "$SSL" = 'yes' ]; then
    tpl_file="$WEBTPL/apache_$TPL.stpl"
    conf="$HOMEDIR/$user/conf/web/shttpd.conf"
    del_web_config
    add_web_config
fi

# Checking nginx
if [ ! -z "$NGINX" ]; then
    tpl_file="$WEBTPL/nginx_$NGINX.tpl"
    conf="$HOMEDIR/$user/conf/web/nginx.conf"
    del_web_config
    add_web_config

    if [ "$SSL" = 'yes' ]; then
        tpl_file="$WEBTPL/nginx_$NGINX.stpl"
        conf="$HOMEDIR/$user/conf/web/snginx.conf"
        del_web_config
        add_web_config
    fi
fi


#----------------------------------------------------------#
#                       Vesta                              #
#----------------------------------------------------------#

# Update config
update_object_value 'web' 'DOMAIN' "$domain" '$ALIAS' "$ALIAS"

# Update counters
decrease_user_value "$user" '$U_WEB_ALIASES'

# Restart web server
if [ "$restart" != 'no' ]; then
    $BIN/v-restart-web "$EVENT"
fi

# Logging
log_history "deleted alias $dom_alias on $domain"
log_event "$OK" "$EVENT"

exit