#!/bin/bash
# info: listing backend templates
# options: [FORMAT]
#
# The function for obtaining the list of available backend templates.


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

# Argument definition
format=${1-shell}

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

# JSON list function
json_list() {
    i=1
    objects=$(echo "$templates" |wc -w)
    echo '['
    for template in $templates; do
        if [ "$i" -lt "$objects" ]; then
            echo -e  "\t\"$template\","
        else
            echo -e  "\t\"$template\""
        fi
        (( ++i))
    done
    echo "]"
}

# SHELL list function
shell_list() {
    echo "TEMPLATE"
    echo "--------"
    for template in $templates; do
        echo "$template"
    done
}

# PLAIN list function
plain_list() {
    for template in $templates; do
        echo "$template"
    done
}

# CSV list function
csv_list() {
    echo "TEMPLATE"
    for template in $templates; do
        echo "$template"
    done
}


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

# Parsing backend templates
if [ ! -z "$WEB_BACKEND" ]; then
    templates=$(ls -t $WEBTPL/$WEB_BACKEND |\
        cut -f1 -d . |\
        grep -v proxy_ip |\
        sort -u )
fi

# Listing data
case $format in
    json)   json_list ;;
    plain)  plain_list ;;
    csv)    csv_list ;;
    shell)  shell_list ;;
esac


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

exit