#!/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_print_info "Loading settings..."

app=$YNH_APP_INSTANCE_NAME

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

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

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

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

ynh_restore_file "$final_path"

#=================================================
# RESTORE THE MYSQL DATABASE
#=================================================
ynh_print_info "Restoring the MySQL database..."

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_print_info "Recreating the dedicated system user..."

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

#=================================================
# RESTORE THE PHP-FPM CONFIGURATION
#=================================================

ynh_restore_file "/etc/php/7.0/fpm/pool.d/$app.conf"

#=================================================
# RESTORE THE FAIL2BAN CONFIGURATION
#=================================================
ynh_print_info "Restoring the fail2ban configuration"

ynh_restore_file "/etc/fail2ban/jail.d/$app.conf"
ynh_restore_file "/etc/fail2ban/filter.d/$app.conf"

touch "/var/log/${app}FailedLogins.log"
chown $app: "/var/log/${app}FailedLogins.log"

systemctl restart fail2ban

#=================================================
# SPECIFIC RESTORATION
#=================================================
# RESTORE THE DATA DIRECTORY
#=================================================
ynh_print_info "Restoring data directory..."

# The data directory will be restored only if it exists in the backup archive
# So only if it was backup previously.
if [ -d "$YNH_BACKUP_DIR/apps/$app/backup/home/yunohost.app/${app}/upload" ]
then
	ynh_restore_file "/home/yunohost.app/${app}/upload"
else
	# Create app folders
	mkdir -p "/home/yunohost.app/${app}/upload"
fi
# Create temporary data folder
mkdir -p /home/yunohost.app/${app}/_data

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

chown -R $app: $final_path
chown -R $app: /home/yunohost.app/${app}

#=================================================
# GENERIC FINALIZATION
#=================================================
# RELOAD NGINX AND PHP-FPM
#=================================================
ynh_print_info "Reloading nginx web server and php-fpm..."

systemctl reload php7.0-fpm
systemctl reload nginx

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

ynh_print_info "Restoration completed for $app"