#!/bin/bash
# info: list user backup
# options: USER BACKUP [FORMAT]
#
# The function of obtaining the list of backup parameters. This call, just as
# all v_list_* calls, supports 3 formats - json, shell and plain.


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

# Argument defenition
user=$1
backup=$2
format=${3-shell}

# Includes
source $VESTA/func/main.sh

# Json function
json_list_backup() {
    i=1
    fileds_count=$(echo "$fields" | wc -w)
    line=$(grep "BACKUP='$backup'" $conf)

    # Print top bracket
    echo '{'

    # Assing key=value
    eval $line

    # Starting output loop
    for field in $fields; do
        # Parsing key=value
        eval value=$field

        # Checking first field
        if [ "$i" -eq 1 ]; then
            echo -e "\t\"$value\": {"
        else
            if [ "$fileds_count" -eq "$i" ]; then
                echo -e "\t\t\"${field//$/}\": \"$value\""
            else
                echo -e "\t\t\"${field//$/}\": \"$value\","
            fi
        fi
        # Updating iterator
        (( ++i))
    done

    # If there was any output
    if [ -n "$value" ]; then
        echo -e '        }'
    fi
    # Printing bottom json bracket
    echo -e "}"
}

# Shell function
shell_list_backup() {
    line=$(grep "BACKUP='$backup'" $conf)

    # Parsing key=value
    eval $line

    # Print result line
    for field in $fields; do
        eval key="$field"
        echo "${field//$/}: $key "
    done
}


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

check_args '2' "$#" 'USER BACKUP [FORMAT]'
is_object_valid 'user' 'USER' "$user"
is_object_valid 'backup' 'BACKUP' "$backup"


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

# Defining config and fields to select
conf=$USER_DATA/backup.conf

fields="\$BACKUP \$TYPE \$SIZE \$WEB \$DNS \$DB \$MAIL \$CRON \$UDIR"
fields="$fields \$RUNTIME \$TIME \$DATE"

# Listing backup
case $format in 
    json)   json_list_backup ;;
    plain)  nohead=1; shell_list_backup ;;
    shell)  shell_list_backup |column -t ;;
    *)      check_args '2' '0' 'USER BACKUP [FORMAT]'
esac


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

exit