#!/bin/bash

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

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

#=================================================
# RESTORE COTURN CONFIGURATION
#=================================================
ynh_script_progression --message="Restoring Coturn configuration..." --weight=1

ynh_restore_file --origin_path="/etc/turnserver.conf"

#=================================================
# RESTORE THE COTURN DATAPATH
#=================================================
ynh_script_progression --message="Restoring the data directory..." --weight=1

ynh_restore_file --origin_path="$data_dir" --not_mandatory

# (Same as for install dir)
chown -R $app:www-data "$data_dir"

#=================================================
# RESTORE LOG
#=================================================

ynh_restore_file --origin_path="/var/log/$app"

#=================================================
# RECREATE THE DEDICATED USER
#=================================================
ynh_script_progression --message="Recreating the dedicated system user..." --weight=1

# Create the dedicated user (if not existing)
adduser turnserver ssl-cert

#=================================================
# RECREATE A DH FILE
#=================================================
ynh_script_progression --message="Creating a dhparam file..." --weight=3

# Make dhparam cert for Coturn if it doesn't exist
if [ ! -e /etc/ssl/private/dh2048.pem ]
then
    ynh_exec_warn_less openssl dhparam -out /etc/ssl/private/dh2048.pem -outform PEM -dsaparam 2048
    chown root:ssl-cert /etc/ssl/private/dh2048.pem
    chmod 640 /etc/ssl/private/dh2048.pem
fi

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

# Restore permissions on app files
# Set permissions to app files
chown root: -R /home/yunohost.app/$app
chown -R turnserver:root /var/log/$app
chown turnserver:root /etc/turnserver.conf
setfacl -R -m user:turnserver:rwX  /var/log/$app

#=================================================
# RESTORE SYSTEMD
#=================================================
ynh_script_progression --message="Restoring the systemd configuration..." --weight=1

ynh_restore_file --origin_path="/etc/systemd/system/$app.service"
systemctl enable $app.service --quiet

yunohost service add $app --description="Coturn TURN server" --log="/var/log/$app/$app.log" --needs_exposed_ports="$port_turnserver_tls"

#=================================================
# START SYSTEMD SERVICE
#=================================================
ynh_script_progression --message="Starting a systemd service..." --weight=1

ynh_systemd_action --service_name=$app --action=start --log_path="/var/log/$app/$app.log"

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

ynh_script_progression --message="Restoration completed for $app" --last