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


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

check_args '3' "$#" 'USER DOMAIN DOM_ALIAS [RESTART]'
validate_format 'user' 'domain' 'dom_alias'
is_system_enabled "$WEB_SYSTEM" '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'
ip=$(get_real_ip $IP)
if [ -z "$(echo $ALIAS | tr ',' '\n' | grep ^$dom_alias$)" ]; then
    echo "Error: alias $dom_alias doesn't exist"
    log_event "$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="$WEBTPL/$WEB_SYSTEM/$WEB_BACKEND/$TPL.tpl"
conf="$HOMEDIR/$user/conf/web/$WEB_SYSTEM.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/$WEB_SYSTEM/$WEB_BACKEND/$TPL.stpl"
    conf="$HOMEDIR/$user/conf/web/s$WEB_SYSTEM.conf"
    del_web_config
    add_web_config
fi

# Checking proxy
if [ ! -z "$PROXY_SYSTEM" ] && [ ! -z "$PROXY" ]; then
    tpl_file="$WEBTPL/$PROXY_SYSTEM/$PROXY.tpl"
    conf="$HOMEDIR/$user/conf/web/$PROXY_SYSTEM.conf"
    del_web_config
    add_web_config

    if [ "$SSL" = 'yes' ]; then
        tpl_file="$WEBTPL/$PROXY_SYSTEM/$PROXY.stpl"
        conf="$HOMEDIR/$user/conf/web/s$PROXY_SYSTEM.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'

# Restarting web server
if [ "$restart" != 'no' ]; then
    $BIN/v-restart-web
    check_result $? "Web restart failed" >/dev/null

    if [ ! -z "$PROXY_SYSTEM" ]; then
        $BIN/v-restart-proxy
        check_result $? "Proxy restart failed" >/dev/null
    fi
fi

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

exit