#!/bin/bash
# info: list user log
# options: user [format]
#
# The function of obtaining the list of 100 last users commands.


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

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

# Includes
source $VESTA/func/main.sh

# Json func
json_list_history() {
    echo '{'
    fileds_count=$(echo $fields| wc -w )
    while read line; do
        IFS=$'\n'
        eval $line
        if [ -n "$data" ]; then
            echo -e '        },'
        fi
        i=1
        IFS=' '
        for field in $fields; do
            eval value=\"$field\"
            value=$(echo "$value" | sed -e 's/"/\\"/g' -e "s/%quote%/'/g")
            if [ $i -eq 1 ]; then
                (( ++i))
                echo -e "\t\"$value\": {"
            else
                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 < $conf
    if [ -n "$data" ]; then
        echo -e '        }'
    fi
    echo -e '}'
}


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

check_args '1' "$#" 'user [format]'
validate_format 'user'
is_object_valid 'user' 'USER' "$user"


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

# Defining config
conf=$USER_DATA/history.log

# Defining fileds to select
fields="\$ID \$DATE \$TIME \$CMD \$UNDO"

# Listing domains
case $format in 
    json)   json_list_history ;;
    plain)  nohead=1; shell_list ;;
    shell)  fields='$ID~$DATE~$TIME~$CMD';
            shell_list |column -t -s '~';;
    *)      check_args '1' '0' 'user [format]'
esac


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

exit