#!/bin/bash
#
# This script is licensed under GPL v3 or higher
#
# Author : Angel Berlanas Vicente
# 	   <angel.berlanas@gmail.com>
#

#
# SOME VALUES
SITES_CONF_DIR="/var/www/srv/"
NET_SERVER_SYNC="/net/server-sync/easy-sites/"
TEMPLATE_PATH="/usr/share/lliurex-easy-sites/custom.json"

#
# Show the list of the easy-sites
show_list()
{
	# List the directory files with a easy-sites pattern
	find "$SITES_CONF_DIR" -maxdepth 1 -xtype d   -name "*easy*" -printf "%f\n" | sed -e "s%easy-%%g";
}

#
# Copy files with the DISPLAY environment
copy_files()
{
	orig_dir="${1}"
	dest_dir="${2}"
	if [ -n "${DISPLAY}" ]; then
		cp -r "${orig_dir}"/* "${dest_dir}/"
	else
		gcp -r "${orig_dir}/*" "${dest_dir}/"
	fi
}

#
# Create and populate the dir under /net/server-sync
replicate_dir()
{
	dest_dir="${2}"
	dest_dir="${NET_SERVER_SYNC}/${dest_dir}"
	orig_dir="${1}"
	# Create dir
	[ -d ${dest_dir} ] || mkdir -p ${dest_dir}
	copy_files "${orig_dir}" "${dest_dir}"
}

#
# Create the site
create_site()
{
	# Create the site file
	SITE_NAME="$1"
	NAME=easy-"$1"
	DIR="$2"
	FINAL_DIR="${NET_SERVER_SYNC}/${NAME}"
	DESCR="$3"
	
	# Replicate directory
	echo " [ LliureX Easy Sites ] : Replicate dir : ${DIR} at ${NAME}"
	replicate_dir "$DIR" "$NAME"

	# Create the link
	echo " [ LliureX Easy Sites ] : linking ${NET_SERVER_SYNC}/${NAME} -> ${SITES_CONF_DIR}${NAME}"
	ln -s ${NET_SERVER_SYNC}/${NAME} ${SITES_CONF_DIR}${NAME}
	
	#  Prepare Json 
	if [ -z $DESCR ] ; then
		DESCR="Lloc web"
	fi
	cp ${TEMPLATE_PATH} ${SITES_CONF_DIR}links/$NAME.json
	sed -i "s%DESCR%$DESCR%g" ${SITES_CONF_DIR}links/$NAME.json
	sed -i "s%NAME%$SITE_NAME%g" ${SITES_CONF_DIR}links/$NAME.json
}


#
# Remove the site
remove_site()
{
	# Remove the site file 
	# Closing bug 1 - > easy- must be append to all the names
	NAME=easy-"$1"
	
	# Remove the link
	echo " [ LliureX Easy Sites ] : Removing the link at /var/www/srv/${NAME}"
	[ -f /var/www/srv/${NAME} ] || rm -f /var/www/srv/${NAME}

	# Remove the folder under /net/server-sync
	echo " [ LliureX Easy Sites ] : Removing the folder at ${NET_SERVER_SYNC}/${NAME}"
	rm -rf ${NET_SERVER_SYNC}/${NAME}
	
	# Remove the json
	echo " [ LliureX Easy Sites ] : Removing the .json file at /var/www/srv/links/${NAME}.json"
	[ ! -f /var/www/srv/links/${NAME}.json ] || rm -f /var/www/srv/links/${NAME}.json
	
	
}


#
# Show the USAGE
show_usage()
{
	# Show the USAGE
	echo "USAGE: 	lliurex-easy-sites-cli [OPTIONS]"
	echo ""
	echo "		list						- show the sites"
	echo "		create NAME PATH DESCRIPTION			- create the site"
	echo "		remove NAME					- delete the site" 	
	exit 0
}


ACTION="$1"

case "$ACTION" in
	list)
		show_list
	;;
	remove)
		shift
		SITE="$1"
		remove_site "$SITE"
	;;
	create)
		shift
		NAME="$1"
		shift
		CUSTOM_PATH="$1"
		shift 
		DESCR="$1"
		FULL_PATH="$(readlink -f $CUSTOM_PATH)"
		create_site "$NAME" "$FULL_PATH" "$DESCR"
	;;
	*)
		show_usage
	;;
esac 

exit 0