#!/bin/bash

#=================================================
# GENERIC START
#=================================================
# MANAGE SCRIPT FAILURE
#=================================================

# Exit on command errors and treat access to unset variables as an error
set -eu

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

if [ ! -e _common.sh ]; then
	# Get the _common.sh file if it's not in the current directory
	cp ../settings/scripts/_common.sh ./_common.sh
	chmod a+rx _common.sh
fi
source _common.sh
source /usr/share/yunohost/helpers

#=================================================
# LOAD 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)
db_pwd=$(ynh_app_setting_get "$app" psqlpwd)

#=================================================
# CHECK IF THE APP CAN BE RESTORED
#=================================================

# Check web path availability
ynh_webpath_available "$domain" "$path_url"

test ! -e "$final_path" || ynh_die "This path already contains a folder"

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

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

#=================================================
# RESTORE THE APP MAIN DIR
#=================================================

ynh_restore_file "$final_path"

#=================================================
# RECREATE THE DEDICATED USER
#=================================================

# Create the dedicated user (if not existing)
ynh_system_user_create "$app" "/home/$app"
# Allow bash for our user, so he can use hub
chsh --shell /bin/bash "$app"

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

# Restore permissions on app files
chown -R "$app": "$final_path"

#=================================================
# SPECIFIC RESTORATION
#=================================================
# REINSTALL DEPENDENCIES
#=================================================

ynh_install_app_dependencies libxml2-dev libxslt-dev libfreetype6-dev \
	libjpeg-dev libz-dev libyaml-dev python-dev python-pip python-virtualenv \
	postgresql libpq-dev uwsgi uwsgi-plugin-python

#=================================================
# RESTORE THE PostgreSQL DATABASE
#=================================================

ynh_psql_test_if_first_run
ynh_psql_setup_db "$db_name" "$db_name" "$db_pwd"
ynh_psql_execute_file_as_root ./db.sql "$db_name"

#=================================================
# RESTORE THE SERVICE
#=================================================

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

#=================================================
# ADVERTISE SERVICE IN ADMIN PANEL
#=================================================

yunohost service add "$app.service" --log "/var/log/$app/APP.log"

#=================================================
# RESTORE THE CRON FILE
#=================================================

ynh_restore_file "/etc/cron.d/$app"

#=================================================
# RESTORE THE LOGROTATE CONFIGURATION
#=================================================

ynh_restore_file "/etc/logrotate.d/$app"

#=================================================
# GENERIC FINALIZATION
#=================================================
# RELOAD NGINX & uwsgi
#=================================================

systemctl reload nginx
systemctl stop "$app.service"
systemctl start "$app.service"