#!/bin/bash

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

#=================================================
# STOP SYSTEMD SERVICE
#=================================================
ynh_script_progression "Stopping $app's systemd service..."

ynh_systemctl --service="$app" --action="stop"

#=================================================
# ENSURE DOWNWARD COMPATIBILITY
#=================================================
ynh_script_progression "Ensuring downward compatibility..."

# Transfer and delete the old "password" key
if [ -z "${userpass:-}" ]; then
    userpass="$password"
    ynh_app_setting_set --key="userpass" --value="$userpass"
    ynh_app_setting_delete --key="password"
fi

#=================================================
# UPDATE A CONFIG FILE
#=================================================
ynh_script_progression "Updating configuration..."

ynh_config_add --template="mosquitto.conf" --destination="/etc/mosquitto/conf.d/default.conf"

ynh_delete_file_checksum "/etc/mosquitto/passwd"
ynh_config_add --template="passwd" --destination="/etc/mosquitto/passwd"
mosquitto_passwd -U "/etc/mosquitto/passwd"
ynh_store_file_checksum "/etc/mosquitto/passwd"

# Hard coded username because deb package creates the user
chown -R "mosquitto" "/etc/mosquitto"

#=================================================
# REAPPLY SYSTEM CONFIGURATIONS
#=================================================
ynh_script_progression "Upgrading system configurations related to $app..."

# Use logrotate to manage app-specific logfile(s)
ynh_config_add_logrotate

yunohost service add "$app" --description="Allows MQTT clients to send/receive data" --log="/var/log/$app/$app.log" --needs_exposed_ports="$port"

#=================================================
# START SYSTEMD SERVICE
#=================================================
ynh_script_progression "Starting $app's systemd service..."

ynh_systemctl --service="$app" --action="restart"

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

ynh_script_progression "Upgrade of $app completed"