#!/bin/sh

# PROVIDE: linkwarden_web
# REQUIRE: LOGIN postgresql
# KEYWORD: shutdown
#
# Add these lines to /etc/rc.conf.local or /etc/rc.conf
# to enable this service:
#
# linkwarden_web_enable (bool):		Set to NO by default.
#					Set it to YES to enable the frontend.
# linkwarden_storage (str):		Data directory, holds the archives.
#					Default: /var/db/linkwarden
# linkwarden_web_host (str):		Listen address. Default: 0.0.0.0
# linkwarden_web_port (int):		Listen port. Default: 3000
# linkwarden_web_env_file (str):	Environment file with DATABASE_URL,
#					NEXTAUTH_SECRET and the other settings.
#					Default: %%PREFIX%%/etc/linkwarden.env
# linkwarden_web_automigrate (bool):	Run "prisma migrate deploy" on start.
#					Default: YES
#
# The database schema can also be brought up to date on its own with
# "service linkwarden_web migrate".

. /etc/rc.subr

name=linkwarden_web
rcvar=linkwarden_web_enable

load_rc_config $name

: ${linkwarden_web_enable:=NO}
: ${linkwarden_web_user:=linkwarden}
: ${linkwarden_web_group:=linkwarden}
: ${linkwarden_storage:=/var/db/linkwarden}
: ${linkwarden_web_host:=0.0.0.0}
: ${linkwarden_web_port:=3000}
: ${linkwarden_web_env_file:=%%PREFIX%%/etc/linkwarden.env}
: ${linkwarden_web_automigrate:=YES}

pidfile=/var/run/linkwarden/${name}.pid
childpidfile=/var/run/linkwarden/${name}_child.pid
required_dirs="%%WWWDIR%%/apps/web/.next"

linkwarden_web_chdir="%%WWWDIR%%/apps/web/"
start_precmd=linkwarden_web_precmd
stop_cmd=linkwarden_web_stop
extra_commands="migrate"
migrate_cmd=linkwarden_web_migrate

command=/usr/sbin/daemon
command_args="-f -S -H -P ${pidfile} -p ${childpidfile} \
	-o /var/log/linkwarden/${name}.log \
	%%NODE%% %%WWWDIR%%/node_modules/next/dist/bin/next start \
	%%WWWDIR%%/apps/web"

linkwarden_environment()
{
	if [ -r "${linkwarden_web_env_file}" ]; then
		set -a
		. "${linkwarden_web_env_file}"
		set +a
	fi

	# monolith and the browser are called by name, so they have to be in PATH
	export PATH=%%PREFIX%%/sbin:%%PREFIX%%/bin:/usr/sbin:/usr/bin:/sbin:/bin
	export NODE_ENV=production
	export HOSTNAME=${linkwarden_web_host}
	export PORT=${linkwarden_web_port}
	export STORAGE_FOLDER=${STORAGE_FOLDER:-${linkwarden_storage}/data}
	export PRISMA_HIDE_UPDATE_MESSAGE=1
	export PRISMA_CLI_QUERY_ENGINE_TYPE=binary
	export PRISMA_QUERY_ENGINE_BINARY=%%PREFIX%%/libexec/prisma-engines/query-engine
	export PRISMA_SCHEMA_ENGINE_BINARY=%%PREFIX%%/libexec/prisma-engines/schema-engine
	export PRISMA_FMT_BINARY=%%PREFIX%%/libexec/prisma-engines/prisma-fmt
	export PRISMA_QUERY_ENGINE_LIBRARY=%%WWWDIR%%/libquery_engine.node
	# playwright refuses to load without this one
	export PLAYWRIGHT_BROWSERS_PATH=${linkwarden_storage}/ms-playwright
}

linkwarden_web_migrate()
{
	linkwarden_environment
	echo "Applying database migrations for ${name}."
	su -m ${linkwarden_web_user} -c "cd ${linkwarden_storage} && \
		%%NODE%% %%WWWDIR%%/node_modules/prisma/build/index.js \
		migrate deploy --schema %%WWWDIR%%/packages/prisma/schema.prisma"
}

linkwarden_web_stop()
{
	local pid
	pid=$(check_pidfile ${pidfile} ${command})
	if [ -z "$pid" ]; then
		echo "${name} not running? (check ${pidfile})."
		return 1
	fi
	echo "Stopping ${name}."
	kill -TERM -- -${pid} 2>/dev/null || kill -TERM ${pid}
	wait_for_pids ${pid}
	rm -f ${pidfile} ${childpidfile}
}

linkwarden_web_precmd()
{
	umask 027
	install -d -m 750 -o ${linkwarden_web_user} -g ${linkwarden_web_group} \
		/var/run/linkwarden /var/log/linkwarden \
		${linkwarden_storage} ${linkwarden_storage}/data
	linkwarden_environment
	if checkyesno linkwarden_web_automigrate; then
		linkwarden_web_migrate || return 1
	fi
}

run_rc_command "$1"