#!/bin/bash
# info: list system ips
# options: [format]
#
# The function for obtaining the list of system ip's.


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

# Argument defenition
format=${1-shell}

# Importing variables
source $VESTA/conf/vars.conf
source $V_FUNC/shared.func

# Json function
json_list_ips() {
    # Print top bracket
    echo '{'

    # Definining ip list
    ip_list=$(ls $V_IPS/)

    fileds_count=$(echo "$fields" | wc -w)

    # Starting main loop
    for IP in $ip_list; do
        # Assing key=value
        ip_data=$(cat $V_IPS/$IP)
        eval $ip_data

        # Closing bracket if there already was output
        if [ -n "$data" ]; then
            echo -e '        },'
        fi
        i=1
        for field in $fields; do
            eval value=$field

            if [ $i -eq 1 ]; then
                # Printing parrent
                (( ++i))
                echo -e "\t\"$value\": {"
            else
                # Printing child
                if [ $i -lt $fileds_count ]; then
                    (( ++i))
                    echo -e "\t\t\"${field//$/}\": \"${value//,/, }\","
                else
                    echo -e "\t\t\"${field//$/}\": \"${value//,/, }\""
                    data=1
                fi
            fi
        done
    done

    # Closing bracket if there was output
    if [ -n "$data" ]; then
        echo -e '        }'
    fi

    # Printing bottom bracket
    echo -e '}'
}

# Shell function
shell_list_ips() {
    ip_list=$(ls $V_IPS/)

    if [ -z "$nohead" ]; then
        # Print brief info
        echo "${fields//$/}"
        for a in $fields; do
            echo -e "--------- \c"
        done
        echo
    fi

    # Starting main loop
    for IP in $ip_list; do
        # Reading user data
        ip_data=$(cat $V_IPS/$IP)

        # Assign key/value config
        eval $ip_data

        # Print result line
        eval echo "$fields"
    done
}


#----------------------------------------------------------#
#                       Action                             #
#----------------------------------------------------------#
conf=$V_IPS/*

# Defining fileds to select
fields="\$IP \$OWNER \$STATUS \$NAME \$U_SYS_USERS \$U_WEB_DOMAINS"
fields="$fields \$INTERFACE \$NETMASK \$DATE"

# Listing domains
case $format in 
    json)   json_list_ips ;;
    plain)  nohead=1; shell_list_ips ;;
    shell)  fields='$IP $NETMASK $OWNER $STATUS $U_WEB_DOMAINS';
            shell_list_ips | column -t ;;
    *)      check_args '1' '0' '[format]'
esac


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

exit