#!/bin/bash

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

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

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

ynh_abort_if_errors

#=================================================
# LOAD SETTINGS
#=================================================
ynh_print_info "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)
phpversion=$(ynh_app_setting_get --app=$app --key=phpversion)
db_user=$(ynh_app_setting_get --app=$app --key=db_user) 
db_user_pwd=$(ynh_app_setting_get --app=$app --key=psqlpwd)

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

test ! -d $final_path \
	|| ynh_die --message="There is already a directory: $final_path "

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

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

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

ynh_restore_file --origin_path="$final_path"

chmod 750 "$final_path"
chmod -R o-rwx "$final_path"
chown -R $app:www-data "$final_path"

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

# Define and install dependencies
ynh_exec_warn_less ynh_install_app_dependencies $pkg_dependencies

#=================================================
# RESTORE THE PHP-FPM CONFIGURATION
#=================================================
ynh_script_progression --message="Restoring PHP-FPM configuration..."

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

# Recreate a dedicated php-fpm config
ynh_add_fpm_config --usage=low --footprint=low --phpversion=$phpversion

#=================================================
# RESTORE THE NGINX CONFIGURATION
#=================================================
ynh_script_progression --message="Restoring the NGINX configuration..." --weight=1

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

#=================================================
# RESTORE THE POSTGRESQL DATABASE
#=================================================
ynh_script_progression --message="Restoring the PostgreSQL database..."

ynh_psql_restore_all_app_dbs_dumps --db_user=$db_user --db_user_pwd=$db_user_pwd

# Give permission to db_user to create databases, as with version 9025 at least, standard Noalyss operation (can be tweaked with shared server install process - with potentially less features?) will require to create several databases: one admin database (account_repository), one database per accounting template (two are populated at install by default: mod1, mod2, etc.), one per accounting folder that will be created while using the app, etc.
if [ -n "$db_user" ]; then 
	sql="ALTER USER $db_user CREATEDB"
	ynh_psql_execute_as_root --sql="$sql"
fi
	
#=================================================
# GENERIC FINALIZATION
#=================================================
# RELOAD NGINX AND PHP-FPM
#=================================================
ynh_script_progression --message="Reloading NGINX web server and PHP-FPM..."

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 $app"