#!/bin/bash
set -eu

#=================================================
# IMPORT GENERIC HELPERS
#=================================================
if [ ! -e _common.sh ]; then
	# Fetch helpers file if not in current directory
	sudo cp ../settings/scripts/_common.sh ./_common.sh
	sudo chmod a+rx _common.sh
fi
source _common.sh
source /usr/share/yunohost/helpers

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

# Exit on command errors and treat access to unset variables as an error
ynh_abort_if_errors

#=================================================
# LOAD SETTINGS
#=================================================

app=$YNH_APP_INSTANCE_NAME

domain=$(ynh_app_setting_get $app domain)
path=$(ynh_app_setting_get $app path)
final_path=$(ynh_app_setting_get $app final_path)
serviceuser=$(ynh_app_setting_get $app serviceuser)

# Check domain/path availability
sudo yunohost app checkurl "${domain}${path}" -a "$app" || ynh_die

# Check destination directory
[[ -d $final_path ]] && ynh_die \
"The destination directory '$final_path' already exists.\
 You should safely delete it before restoring this app."

# Create destination
sudo mkdir -p $final_path

# Create user
id -u $serviceuser || sudo useradd -d "$final_path" -M $serviceuser

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

sudo cp -a "conf/nginx" "/etc/nginx/conf.d/$domain.d/$app.conf"
sudo systemctl reload nginx

#=================================================
# RESTORE THE SYSTEMD CONFIGURATION
#=================================================
sudo cp -a "conf/service" "/etc/systemd/system/rocketchat.service"
sudo systemctl daemon-reload
sudo systemctl enable rocketchat

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

sudo tar -xzf ./rocket.chat.gtar -C $final_path
sudo chown -R $serviceuser: $final_path

#=================================================
# INSTALL DEPENDENCIES
#=================================================

installdeps

#=================================================
# RESTORE THE MONGODB
#=================================================

sudo mongorestore ./dump

#=================================================
# START APP RELATED SERVICES
#=================================================

sudo systemctl start rocketchat
waitforservice