#!/bin/bash
########################################################################
# 2014-09-07 Lukas Bestle mail@lukasbestle.com
########################################################################
# Creates a link for the webserver pointing a domain to a site.
#
# Usage: site_link <site> <domain>
#        
#        <site>		Name of the site (directory in ~/web/sites/)
#        <domain>	FQDN of the domain (like "example.com")
########################################################################

site="$1"
domain="$2"

if [[ -z "$domain" ]]; then
	# Print help
	echo -e "\033[1mUsage:\033[0m \033[34msite_link\033[0m <site> <domain>"
	exit 1
fi

# Check if the site exists
if [[ ! -f "$HOME/web/sites/$site/.project" ]]; then
	echo -e "\033[31mThe site \033[34m$site\033[31m does not exist or is invalid.\033[0m" >&2
	exit 1
fi

# Check if the site currently has a current version
if [[ ! -e "$HOME/web/sites/$site/current" ]]; then
	echo -e "\033[31mThe site \033[34m$site\033[31m currently does not have a current version, please deploy first.\033[0m" >&2
	exit 1
fi

# Check if there is already a link with this domain
if [[ -e "$HOME/web/$domain" ]]; then
	echo -e "\033[31mA link for the domain \033[34m$domain\033[31m already exists.\033[0m" >&2
	exit 1
fi

# Create link
echo -e "\033[1mCreating link from site \033[34m$site\033[0;1m to domain \033[34m$domain\033[0;1m...\033[0m"
if ! ln -s "sites/$site/current" "$HOME/web/$domain"; then
	echo -e "\033[31mCould not create link at \033[34m$HOME/web/$domain\033[31m.\033[0m" >&2
	exit 1
fi
echo -e " => \033[32mSuccess.\033[0m"

# Add to site's domains
echo -e "\033[1mAdding domain to site's domains (\033[34m.domains\033[0;1m file)...\033[0m"
echo "$domain" >> "$HOME/web/sites/$site/.domains"
if [[ $? == 0 ]]; then
	echo -e " => \033[32mSuccess.\033[0m"
	exit 0
else
	echo -e " => \033[31mSomething went wrong.\033[0m" >&2
	exit 1
fi