#!/bin/bash

#=================================================
# IMPORT GENERIC HELPERS
#=================================================

# Keep this path for calling _common.sh inside the execution's context of backup and restore scripts
source ../settings/scripts/_common.sh
source ../settings/scripts/ynh_add_swap
source /usr/share/yunohost/helpers

#=================================================
# INSTALL DEPENDENCIES
#=================================================
ynh_script_progression --message="Reinstalling Ruby..." --weight=1
ynh_exec_warn_less ynh_install_ruby --ruby_version="$ruby_version"

ynh_script_progression --message="Reinstalling NodeJS..." --weight=1
ynh_exec_warn_less ynh_install_nodejs --nodejs_version="$nodejs_version"

#=================================================
# ADD SWAP IF NEEDED
#=================================================
ynh_script_progression --message="Adding swap if needed..." --weight=1

total_memory=$(ynh_get_ram --total)
swap_needed=0

if [ $total_memory -lt $memory_needed ]; then
	# Need a minimum of 8Go of memory
	swap_needed=$(($memory_needed - $total_memory))
fi

ynh_script_progression --message="Adding $swap_needed Mo to swap..." --weight=1

ynh_add_swap --size=$swap_needed

#=================================================
# RESTORE THE APP MAIN DIR
#=================================================
ynh_script_progression --message="Restoring the app main directory..." --weight=1

ynh_restore_file --origin_path="$install_dir"

chmod -R o-rwx "$install_dir"
chown -R "$app:www-data" "$install_dir"

#=================================================
# RESTORE THE POSTGRESQL DATABASE
#=================================================
ynh_script_progression --message="Restoring the PostgreSQL database..." --weight=1

ynh_psql_execute_as_root --sql="ALTER USER $db_user CREATEDB;"
ynh_psql_connect_as --user="$db_user" --password="$db_pwd" --database="$db_name" < ./db.sql

#=================================================
# BUILD APP
#=================================================
ynh_script_progression --message="Rebuilding app..." --weight=1

pushd "$install_dir/live"
	ynh_use_ruby
	ynh_gem update --system
	ynh_gem install bundler --no-document
	ynh_exec_as "$app" "$ynh_ruby_load_path" "$ld_preload" bin/bundle install --redownload -j"$(nproc)"

	ynh_use_nodejs
	# This export might be removed in yunohost 12
	export COREPACK_ENABLE_DOWNLOAD_PROMPT=0
	corepack enable
	COREPACK_ENABLE_DOWNLOAD_PROMPT=0 yarn install
popd

#=================================================
# RESTORE THE PHP-FPM CONFIGURATION
#=================================================
ynh_script_progression --message="Restoring system configurations related to $app..." --weight=1

ynh_restore_file --origin_path="/etc/nginx/conf.d/$domain.d/$app.conf"

ynh_restore_file --origin_path="/etc/systemd/system/$app-web.service"
ynh_restore_file --origin_path="/etc/systemd/system/$app-sidekiq.service"
ynh_restore_file --origin_path="/etc/systemd/system/$app-streaming.service"
systemctl enable "$app-web" "$app-sidekiq" "$app-streaming" --quiet

yunohost service add "$app-web" --description="$app web service"
yunohost service add "$app-sidekiq" --description="$app sidekiq service"
yunohost service add "$app-streaming" --description="$app streaming service"

ynh_restore_file --origin_path="/etc/cron.d/$app"

ynh_restore_file --origin_path="/var/log/$app/"

ynh_restore_file --origin_path="/etc/logrotate.d/$app"

#=================================================
# RELOAD NGINX AND THE APP SERVICE
#=================================================
ynh_script_progression --message="Reloading NGINX web server and $app's service..." --weight=1

ynh_systemd_action --service_name="${app}-web" --action="start" --log_path="/var/log/$app/$app-web.log" --line_match="Listening on"
ynh_systemd_action --service_name="${app}-sidekiq" --action="start" --log_path="/var/log/$app/$app-sidekiq.log" --line_match="Schedules Loaded"
ynh_systemd_action --service_name="${app}-streaming" --action="start" --log_path="/var/log/$app/$app-streaming.log" --line_match="Streaming API now listening"

ynh_systemd_action --service_name=nginx --action=reload

#=================================================
# END OF SCRIPT
#=================================================

ynh_script_progression --message="Restoration completed for $app" --last