#!/bin/bash

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

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

#=================================================
# MANAGE SCRIPT FAILURE
#=================================================

# Exit if an error occurs during the execution of the script
ynh_abort_if_errors

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

app=$YNH_APP_INSTANCE_NAME

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

#=================================================
# CHECK IF THE APP CAN BE RESTORED
#=================================================
ynh_script_progression --message="Validating restoration parameters.." --weight=1

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

#=================================================
# STANDARD RESTORATION STEPS
#=================================================
# RESTORE THE NGINX CONFIGURATION
#=================================================
ynh_script_progression --message="Restoring NGINX configuration..." --weight=1

ynh_restore_file "/etc/nginx/conf.d/$domain.d/$app.conf"

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

ynh_restore_file "$final_path"

#=================================================
# RESTORE THE MYSQL DATABASE
#=================================================
ynh_script_progression --message="Restoring the MySQL database.." --weight=20

db_pwd=$(ynh_app_setting_get $app mysqlpwd)
ynh_mysql_setup_db $db_name $db_name $db_pwd
ynh_mysql_connect_as $db_name $db_pwd $db_name < ./db.sql

#=================================================
# RECREATE THE DEDICATED USER
#=================================================
ynh_script_progression --message="Recreating the dedicated system user.." --weight=1

# Create the dedicated user (if not existing)
ynh_system_user_create $app

#=================================================
# RESTORE USER RIGHTS
#=================================================

# Restore permissions on app files
chown -R root:$app $final_path
mkdir -p $final_path/data
chown -R $app: $final_path/data/
chmod o-rwx $final_path/ -R

#=================================================
# SPECIFIC RESTORATION
#=================================================
# ADVERTISE SERVICE IN ADMIN PANEL
#=================================================

yunohost service add $app

#=================================================
# RESTORE SYSTEMD
#=================================================
ynh_script_progression --message="Restoring service..." --weight=10

ynh_restore_file "/etc/systemd/system/$app.service"
systemctl enable $app.service
systemctl start $app

#=================================================
# GENERIC FINALIZATION
#=================================================
ynh_script_progression --message="Reloading NGINX web server ..." --weight=1

systemctl reload nginx

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

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