#!/bin/bash

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

source ../settings/scripts/_common.sh
source /usr/share/yunohost/helpers

#=================================================
# MANAGE SCRIPT FAILURE
#=================================================
ynh_print_info --message="Managing script failure..."

ynh_clean_setup () {
	ynh_clean_check_starting
}
# Exit if an error occurs during the execution of the script
ynh_abort_if_errors

#=================================================
# LOAD SETTINGS
#=================================================
ynh_print_info --message="Loading settings..."

app=$YNH_APP_INSTANCE_NAME

domain=$(ynh_app_setting_get --app=$app --key=domain)
path_url=$(ynh_app_setting_get --app=$app --key=path)
final_path=$(ynh_app_setting_get --app=$app --key=final_path)
db_name=$(ynh_app_setting_get --app=$app --key=db_name)

#=================================================
# CHECK IF THE APP CAN BE RESTORED
#=================================================
ynh_print_info --message="Validating restoration parameters..."

ynh_webpath_available --domain=$domain --path_url=$path_url \
	|| ynh_die --message="Path not available: ${domain}${path_url}"
test ! -d $final_path \
	|| ynh_die --message="There is already a directory: $final_path "

#=================================================
# STANDARD RESTORATION STEPS
#=================================================
# RESTORE THE NGINX CONFIGURATION
#=================================================

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

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

ynh_restore_file --origin_path="$final_path"

#=================================================
# RECREATE THE DEDICATED USER
#=================================================
ynh_print_info --message="Recreating the dedicated system user..."

# Create the dedicated user (if not existing)
ynh_system_user_create --username=$app --home_dir="$final_path"

#=================================================
# RESTORE USER RIGHTS
#=================================================
ynh_print_info --message="Restoring user rights..."

# Restore permissions on app files
chown -R $app: "$final_path"
chmod -R 640 "$final_path"
find "$final_path" -type d -print0 | xargs -0 chmod 750

#=================================================
# SPECIFIC RESTORATION
#=================================================
# REINSTALL DEPENDENCIES
#=================================================
ynh_print_info --message="Reinstalling dependencies..."

# Define and install dependencies
ynh_install_nodejs --nodejs_version=$nodejsversion
ynh_use_nodejs

if [ "$(lsb_release --codename --short)" = "buster" ]; then
	ynh_install_extra_app_dependencies --repo="deb http://repo.mongodb.org/apt/debian buster/mongodb-org/4.2 main" --package="$pkg_dependencies_buster" --key="https://www.mongodb.org/static/pgp/server-4.2.asc"
	mongodb_servicename=$mongodb_buster
else
	ynh_install_app_dependencies $pkg_dependencies
	mongodb_servicename=$mongodb_stretch
fi

#=================================================
# RESTORE THE MONGODB DATABASE
#=================================================
ynh_print_info --message="Restoring the MongoDB database..."

# Start mongodb
systemctl enable $mongodb_servicename
systemctl start $mongodb_servicename
mongorestore --quiet --db="$db_name" "./dump/$db_name"

#=================================================
# RESTORE SYSTEMD
#=================================================
ynh_print_info --message="Restoring the systemd configuration..."

ynh_restore_file --origin_path="/etc/systemd/system/$app.service"
systemctl enable $app.service

#=================================================
# INTEGRATE SERVICE IN YUNOHOST
#=================================================
ynh_print_info --message="Integrating service in YunoHost..."

yunohost service add $app --description "Wekan daemon"
yunohost service add mongodb --log "/var/log/mongodb/mongodb.log"


#=================================================
# START SYSTEMD SERVICE
#=================================================
ynh_print_info --message="Starting a systemd service..."

ynh_systemd_action --service_name=$app --action="start" --log_path=systemd --line_match="Started Wekan, task board"
if [ ${PACKAGE_CHECK_EXEC:-0} -eq 1 ]; then
	sleep 60
fi

#=================================================
# GENERIC FINALIZATION
#=================================================
# RELOAD NGINX
#=================================================
ynh_print_info --message="Reloading nginx web server..."

ynh_systemd_action --service_name=nginx --action=reload

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

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