#!/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 /usr/share/yunohost/helpers

if [ "${PACKAGE_CHECK_EXEC:-0}" -ne 1 ]; then
    # Check memory requirements
    check_memory_requirements
fi

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

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

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

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 --database="$db_name" --sql="CREATE EXTENSION IF NOT EXISTS hstore;"
ynh_psql_execute_as_root --database="$db_name" --sql="CREATE EXTENSION IF NOT EXISTS pg_trgm;"

ynh_psql_connect_as --user="$db_user" --password="$db_pwd" --database="$db_name" < ./db.sql

#=================================================
# REINSTALL BUNDLE GEM
#=================================================
ynh_script_progression --message="Reinstall Bundle Gem..."

pushd "$install_dir/discourse"
    ynh_gem install bundler
popd

#=================================================
# RESTORE SYSTEM CONFIGURATIONS
#=================================================
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/$app.service"
systemctl enable "$app.service" --quiet
yunohost service add "$app" --log "$install_dir/discourse/log/unicorn.stderr.log" "$install_dir/discourse/log/unicorn.stdout.log" "$install_dir/discourse/log/production.log"

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

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

ynh_systemd_action --service_name="$app" --action="start" --log_path="$install_dir/discourse/log/unicorn.stdout.log" --line_match="INFO -- : worker=$((unicorn_workers-1)) ready"

ynh_systemd_action --service_name=nginx --action=reload

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

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