#!/bin/bash
. driglibash-base
. /etc/jeancloud.env

set -euo pipefail

noreload=false
deploy=true
if [ "$#" -ge 2 ] && [ "$2" = noreload ] ; then
	noreload=true
elif [ "$#" -ge 3 ] && [ "$3" = undeploy ] ; then
	deploy=false
else
	die "Usage: $0 <service> [no]reload [un]deploy"
fi


if [ -d "/docker/$1" ] ; then
	service="$1"
elif [ -d "$1" ] && [[ "$service" = /docker/* ]] ; then
	service="$(basename "$1")"
else
	die "/docker/$service not found"
fi

if [ ! -d "$new_nginx_conf_path" ] ; then
	die "Can’t deploy service in degraded state. $new_nginx_conf_path dir is missing, please run deployer.sh first"
fi


docker_service="$(echo "$service" | tr '.' '_')"
driglibash_section_prefix="[$service] "

cd "/docker/$service"
[ -f .env ] && . .env


###############################################################################
#							Useful directories
###############################################################################

if "$deploy" ; then
	mkdir -p "$DATA_DIR" "$HTTP_DIR"
	# Try running podman as non-root first…
	chown www-data:www-data -R "$HTTP_DIR"
else
    [ -d "$HTTP_DIR" ] && rm -r "$HTTP_DIR"
fi


###############################################################################
#							Run scripts
###############################################################################

if "$deploy" ; then
	[ -x deploy.sh ] && ./deploy.sh
	[ -x deploy_http.sh ] && sudo -u www-data ./deploy_http.sh
else
	[ -x undeploy.sh ] && ./undeploy.sh
fi


###############################################################################
#							Docker containers
###############################################################################

# If there is a docker-compose file and it has services in it
if [ -f "/docker/$service/docker-compose.yml" ] && [ -n "$(grep  '^[^#]*services' "/docker/$service/docker-compose.yml")" ] ; then
    section "-------------------- $service"
	if $deploy ; then
    	section "Logging to registry"
    	# XXX Login to docker registry

    	section "Pulling images"
    	run docker-compose pull

    	section "Starting service"
    	run docker-compose up -d --remove-orphans
	else
		section "Removing containers"
    	docker-compose down --rmi all --remove-orphans
	fi
fi

if ! "$deploy" ; then
	section "Remove stray containers"
	while read container ; do
		echo "Removing $container"
		run docker rm "$container"
	done <<< "$(docker ps | grep "$docker_service" | cut -d ' ' -f 1)"
fi



###############################################################################
#							wireguard interface
###############################################################################

# If there is a wireguard vpn script
for file in $( find "/docker/$service" -name "wg-*.sh") ; do
	section "Managing wg interface $(basename "$file")"
    if [ -x "$file" ] ; then
        wgif="$(basename "$file")"
        wgif="${wgif:3:-3}"
        "$file" $wgif > "/etc/wireguard/$wgif.conf"
		if "$deploy" ; then
        	systemctl enable "wg-quick@$wgif"
        	startwg.sh "$wgif"
		else
			if [ -z "$(ip a | grep "$wgif")" ] ; then
				wg-quick down "$wgif"
			fi
		fi
    fi
done


###############################################################################
#							Nginx conf
###############################################################################

# If there is a nginx conf file
if [ -f "/docker/$service/nginx_server.conf" ] ; then
    section "Copy nginx conf"
    run cp "/docker/$service/nginx_server.conf" "$new_nginx_conf_path/$service"

    section "Template nginx conf with vars from '.env' file"
    run template.sh "/docker/$service/.env" < "/docker/$service/nginx_server.conf" > "$new_nginx_conf_path/$service"
fi

# Do we need dummy cert?
if [ ! -e "$certs_path/$service/fullchain.pem" ] ; then
    section "Create cert dir"
    run mkdir -p "$certs_path/$service"

    section "Link dummy to cert"
    run ln -s "$dummy_cert_path/fullchain.pem" "$certs_path/$service"
    run ln -s "$dummy_cert_path/privkey.pem" "$certs_path/$service"
fi

section "Testing nginx conf"
run nginx -t -c /etc/nginx/new_nginx.conf

if [ "$noreload" == false ] ; then
	restart_nginx.sh
fi

section "Cleaning"
if [ -z "$(ls -A "$DATA_DIR")" ] ; then
	run rmdir "$DATA_DIR"
fi
if [ -z "$(ls -A "$HTTP_DIR")" ] ; then
	run rmdir "$HTTP_DIR"
fi