#/bin/bash

red=`tput setaf 1`
green=`tput setaf 2`
yellow=`tput setaf 3`
bold=`tput bold`
blue=`tput setaf 4`
reset=`tput sgr0`

MY_PATH="`dirname \"$0\"`"              # relative
MY_PATH="`( cd \"$MY_PATH\" && pwd )`"  # absolutized and normalized

sslRedir="$MY_PATH/ssl-bloc-redirect.txt"
tplVHost="$MY_PATH/templates/vhost.txt"

###
# Get Arguments
###
	args="$@"
	domain="$1"
	ip="$2"
	port="$3"

parseArgs(){
	i=0
	for cmd in $args; do
		arg[$i]=$cmd
		[[ ${arg[$i]} =~ "domain=" ]] && domain=$(echo ${arg[$i]} | grep "\<domain=" | awk -F '=' '{ print $2 }')
		[[ ${arg[$i]} =~ "ip=" ]] && ip=$(echo ${arg[$i]} | grep "\<ip=" | awk -F '=' '{ print $2 }')
		[[ ${arg[$i]} =~ "port=" ]] && port=$(echo ${arg[$i]} | grep "\<port=" | awk -F '=' '{ print $2 }')
		[[ ${arg[$i]} =~ "ssl=" ]] && ssl=$(echo ${arg[$i]} | grep "\<ssl=" | awk -F '=' '{ print $2 }')
		((i++))
	done
}
parseArgs

newVHost="/etc/nginx/conf.d/$domain.conf"

[[ $ip == "local" ]] && ip="127.0.0.1"

addSSL(){
	echo "${yellow}Création du certificat SSL pour $domain...${reset}"
	sudo /usr/bin/certbot --nginx certonly -d $domain && echo "${green}Le certificat de $domain a bien été déployé${reset}" || echo "${red}Une erreur s'est produite lors de la création du certificat SSL${reset}"

	sudo sed -i -e 's/listen 80;/listen 443 ssl;/' $newVHost
	sudo sed -i -e '/includes\/errors.conf/i \\   listen [::]:443 ssl;\n   include includes/ssl.conf;' $newVHost
	sudo sed -i -e '/error_log/i \\   ssl_certificate /etc/letsencrypt/live/$domain/fullchain.pem;\n   ssl_certificate_key /etc/letsencrypt/live/$domain/privkey.pem;\n' $newVHost
	sudo cat $sslRedir | sudo tee -a $newVHost > /dev/null
	sudo sed -i -e 's/$domain/'"$domain"'/g' $newVHost
}

if [[ -e $newVHost ]]; then
	echo "${yellow}Le virtualhost existe déjà${reset}"
	if [[ -z $(grep "ssl_certificate_key" $newVHost) ]]; then
		echo "Certificat SSL non présent"
		if [[ $ssl =~ ^(1|true|oui)$ ]]; then
			echo "Installation du certificat SSL ..."
			addSSL
			sudo service nginx reload && echo "${green}Le domaine $domain à bien été créé et configuré =)${reset}" || echo "${red}Impossible de recharger nginx${reset}"
			exit 0
		else
			echo "${yellow}Aucune action n'a été effectué${reset}"
			exit 0
		fi
	else
		echo "${yellow}Le SSL est déjà configuré sur le VHost${reset}"
		exit 0
	fi
fi


create_vhost(){
	echo "${yellow}Génération du nouveau VirtualHost...${reset}"
	sudo cp $tplVHost $newVHost
	sudo sed -i -e 's/$_DOMAIN/'"$domain"'/g' $newVHost
	sudo sed -i -e 's/$_IP/'"$ip"'/g' $newVHost
	sudo sed -i -e 's/$_PORT/'"$port"'/g' $newVHost
    if [[ $ssl =~ ^(1|true|oui)$ ]]; then
        printf "${yellow}Configuration SSL du VHost...${reset}"
        addSSL && echo "${green}OK${reset}" || echo "${red}KO${reset}"
    else
        echo "${yellow}Aucune configuration SSL ne sera effectué.${reset}"
    fi
	sudo service nginx reload && echo "${green}Le domaine $domain à bien été créé et configuré =)${reset}" || echo "${red}Impossible de recharger nginx${reset}"
}

echo "Nous allons créer le domaine ${blue}$domain ${reset}qui sera lié au port ${blue}$port ${reset}de l'IP ${blue}$ip.${reset}"
if [[ $p2vmProvided != 1 ]]; then
	read -p "${bold}Confirmez-vous cette action ?${reset} (${green}y${reset} ou ${red}n${reset}) : " yn
	case $yn in
		[Yy]* ) create_vhost break;;
		[Nn]* ) echo "${red}Fermeture du script${reset}" && exit;;
		* ) echo "Merci de sélectionner yes ou no";;
	esac
else
	create_vhost
fi

exit 0