#!/bin/bash
# info: list database hosts
# options: [FORMAT]
#
# example: v-list-database-hosts json
#
# This function for obtaining the list of all configured database hosts.

#----------------------------------------------------------#
#                Variables & Functions                     #
#----------------------------------------------------------#

# Argument definition
format=${1-shell}

# Includes
# shellcheck source=/etc/hestiacp/hestia.conf
source /etc/hestiacp/hestia.conf
# shellcheck source=/usr/local/hestia/func/main.sh
source $HESTIA/func/main.sh
# shellcheck source=/usr/local/hestia/func/db.sh
source $HESTIA/func/db.sh
# load config file
source_conf "$HESTIA/conf/hestia.conf"

# JSON list function
json_list() {
	IFS=$'\n'
	i=1
	objects=0
	for type in $(echo $DB_SYSTEM | sed -e 's/,/\n/'); do
		if [ -e "$HESTIA/conf/$type.conf" ]; then
			# Set default port values if they don't exist in database configuration file.
			database_set_default_ports
			db_hosts=$(grep HOST $HESTIA/conf/$type.conf | wc -l)
			objects=$((objects + db_hosts))
		fi
	done

	echo "["
	for type in $(echo $DB_SYSTEM | sed -e 's/,/\n/'); do
		if [ -e "$HESTIA/conf/$type.conf" ]; then
			for str in $(cat $HESTIA/conf/$type.conf); do
				parse_object_kv_list "$str"
				echo -n '    {
        "HOST": "'$HOST'",
        "PORT": "'$PORT'",
        "TYPE": "'$type'",
        "CHARSETS": "'$CHARSETS'",
        "MAX_DB": "'$MAX_DB'",
        "U_SYS_USERS": "'$U_SYS_USERS'",
        "U_DB_BASES": "'$U_DB_BASES'",
        "TPL": "'$TPL'",
        "SUSPENDED": "'$SUSPENDED'",
        "TIME": "'$TIME'",
        "DATE": "'$DATE'"
    }'
				if [ "$i" -lt "$objects" ]; then
					echo ','
				else
					echo
				fi
				((i++))
			done
		fi
	done
	echo ']'
}

# SHELL list function
shell_list() {
	IFS=$'\n'
	echo "HOST   PORT   TYPE   MAX_DB   DB_USED   SPND   TIME   DATE"
	echo "----   ----   ----   ------   -------   ----   ----   ----"
	for type in $(echo $DB_SYSTEM | sed -e 's/,/\n/'); do
		if [ -e "$HESTIA/conf/$type.conf" ]; then
			# Set default port values if they don't exist in database configuration file.
			database_set_default_ports
			for str in $(cat $HESTIA/conf/$type.conf); do
				parse_object_kv_list "$str"
				echo "$HOST $PORT $type $MAX_DB $U_DB_BASES $SUSPENDED $TIME $DATE"
			done
		fi
	done
}

# PLAIN list function
plain_list() {
	IFS=$'\n'
	for type in $(echo $DB_SYSTEM | sed -e 's/,/\n/'); do
		if [ -e "$HESTIA/conf/$type.conf" ]; then
			# Set default port values if they don't exist in database configuration file.
			database_set_default_ports
			for str in $(cat $HESTIA/conf/$type.conf); do
				parse_object_kv_list "$str"
				echo -ne "$HOST\t$PORT\t$type\t$CHARSETS\t$MAX_DB\t$U_SYS_USERS\t"
				echo -e "$U_DB_BASES\t$TPL\t$SUSPENDED\t$TIME\t$DATE"
			done
		fi
	done
}

# CSV list function
csv_list() {
	IFS=$'\n'
	echo -n "HOST,PORT,TYPE,CHARSETS,MAX_DB,U_SYS_USERS,"
	echo "U_DB_BASES,TPL,SUSPENDED,TIME,DATE"
	for type in $(echo $DB_SYSTEM | sed -e 's/,/\n/'); do
		if [ -e "$HESTIA/conf/$type.conf" ]; then
			# Set default port values if they don't exist in database configuration file.
			database_set_default_ports
			for str in $(cat $HESTIA/conf/$type.conf); do
				parse_object_kv_list "$str"
				echo -n "$HOST,$PORT,$type,\"$CHARSETS\",$MAX_DB,\"$U_SYS_USERS\","
				echo "$U_DB_BASES,$TPL,$SUSPENDED,$TIME,$DATE"
			done
		fi
	done
}

# Type format validator
is_type_format_valid() {
	exclude="[!|#|$|^|&|(|)|+|=|{|}|:|@|<|>|?|/|\|\"|'|;|%|\`| ]|\."
	if [[ "$1" =~ $exclude ]]; then
		check_result $E_INVALID "invalid type extention format :: $1"
	fi
}

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

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

#----------------------------------------------------------#
#                       Hestia                             #
#----------------------------------------------------------#

exit
