#!/bin/bash
# info: list database
# options: user database [format]
#
# The function for obtaining of all database's parameters.


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

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

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

# Json function
json_list_db() {
    i=1

    # Define words number
    last_word=$(echo "$fields" | wc -w)

    # Reading file line by line
    line=$(grep "DB='$database'" $conf)

    # Print top bracket
    echo '{'

    # Parsing 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 [ "$last_word" -eq "$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 "\t}"
    fi

    # Printing bottom json bracket
    echo -e '}'
}

# Shell list for single database
shell_list_db() {

    # Reading file line by line
    line=$(grep "DB='$database'" $conf)

    # Parsing key=value
    eval $line

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


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

# Checking args
check_args '2' "$#" 'user db_name [format]'

# Checking argument format
format_validation 'user' 'database'

# Checking user
is_user_valid

# Checking database exist
is_db_valid


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

# Defining config
conf=$V_USERS/$user/db.conf

# Defining fileds to select
fields='$DB $USER $HOST $TYPE $CHARSET $U_DISK $SUSPEND $DATE'

# Listing database
case $format in 
    json)   json_list_db ;;
    plain)  shell_list_db ;;
    shell)  shell_list_db | column -t ;;
    *)      check_args '2' '0' 'user database [format]'
esac


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

exit