#!/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..." --weight=2

app=$YNH_APP_INSTANCE_NAME

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

#=================================================
# CHECK IF THE APP CAN BE RESTORED
#=================================================
ynh_script_progression --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_script_progression --message="RestoringPiwigo main directory..."

ynh_restore_file --origin_path="$final_path"

#=================================================
# RESTORE THE MYSQL DATABASE
#=================================================
ynh_script_progression --message="Restoring the MySQL database..." --weight=2

db_pwd=$(ynh_app_setting_get --app=$app --key=mysqlpwd)
ynh_mysql_setup_db --db_user=$db_name --db_name=$db_name --db_pwd=$db_pwd
ynh_mysql_connect_as --user=$db_name --password=$db_pwd --database=$db_name < ./db.sql

#=================================================
# RECREATE THE DEDICATED USER
#=================================================
ynh_script_progression --message="Recreating the dedicated system user..." --weight=3

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

#=================================================
# RESTORE THE PHP-FPM CONFIGURATION
#=================================================
ynh_script_progression --message="Reconfiguring PHP-FPM..." --weight=10

ynh_restore_file --origin_path="/etc/php/$phpversion/fpm/pool.d/$app.conf"

#=================================================
# RESTORE THE FAIL2BAN CONFIGURATION
#=================================================
ynh_script_progression --message="Restoring the Fail2Ban configuration..." --weight=7

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"

ynh_systemd_action --action=restart --service_name=fail2ban

#=================================================
# SPECIFIC RESTORATION
#=================================================
# REINSTALL DEPENDENCIES
#=================================================
ynh_script_progression --message="Reinstalling dependencies..." --weight=40

# Define and install dependencies
ynh_install_app_dependencies $pkg_dependencies

#=================================================
# RESTORE THE DATA DIRECTORY
#=================================================
ynh_script_progression --message="Restoring data directory..."

# Use --not_mandatory for the data directory, because if the backup has been made with BACKUP_CORE_ONLY, there's no data into the backup.
ynh_restore_file --origin_path="/home/yunohost.app/$app/upload" --not_mandatory

# Create app folders
mkdir -p "/home/yunohost.app/$app/upload"

# 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_script_progression --message="Reloading NGINX web server and PHP-FPM..." --weight=2

ynh_systemd_action --service_name=php${phpversion}-fpm --action=reload
ynh_systemd_action --service_name=nginx --action=reload

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

ynh_script_progression --message="Restoration completed for Piwigo" --last