#!/usr/bin/env bash
########################################################################
# Copyright 2014 Lukas Bestle <project-projectr@lukasbestle.com>
# License   MIT
########################################################################
# Removes a link for the webserver pointing a domain to a site.
#
# Usage: site_unlink <site> [<domain>]
#        
#        <site>    Name of the site (directory in ~/web/sites/)
#        <domain>  FQDN of the domain (like "example.com")
#                  If not given, the site is completely unlinked.
########################################################################

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

if [[ -z "$site" ]]; then
	# Print help
	echo -e "\033[1mUsage:\033[0m \033[34msite_unlink\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 has domains
if [[ ! -f "$HOME/web/sites/$site/.domains" ]]; then
	echo -e "\033[31mThe site \033[34m$site\033[31m does not have any domain links.\033[0m" >&2
	exit 1
fi

if [[ -z "$domain" ]]; then
	# Unlink all domains
	
	code=0
	while read domain; do
		# Run the script itself with a specific domain
		site_unlink "$site" "$domain"
		tempCode=$?
		
		# Error handling
		if [[ $tempCode != 0 ]]; then
			code=$tempCode
		fi
	done < "$HOME/web/sites/$site/.domains"
	
	exit $code
fi

# Check if there is a link for this domain
if [[ ! -e "$HOME/web/$domain" ]]; then
	echo -e "\033[31mThere is no link for the domain \033[34m$domain\033[31m.\033[0m" >&2
	exit 1
fi

# Check if the domain belongs to the site
if ! grep -Fxq -- "$domain" "$HOME/web/sites/$site/.domains"; then
	echo -e "\033[31mThe domain \033[34m$domain\033[31m does not belong to the site \033[34m$site\033[31m.\033[0m" >&2
	exit 1
fi

# Remove link
echo -e "\033[1mRemoving link from site \033[34m$site\033[0;1m to domain \033[34m$domain\033[0;1m...\033[0m"
if ! rm -f "$HOME/web/$domain"; then
	echo -e " => \033[31mCould not remove link at \033[34m$HOME/web/$domain\033[31m.\033[0m" >&2
	exit 1
fi
echo -e " => \033[32mSuccess.\033[0m"

# Remove from site's domains
echo -e "\033[1mRemoving domain from site's domains (\033[34m.domains\033[0;1m file)...\033[0m"
sed -i "/${domain//\//\/}/d" "$HOME/web/sites/$site/.domains" # Replace / with \/ because of the sed separators
if [[ $? == 0 ]]; then
	echo -e " => \033[32mSuccess.\033[0m"
else
	echo -e " => \033[31mSomething went wrong.\033[0m" >&2
	exit 1
fi