#!/bin/bash

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

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

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

# Exit if an error occurs during the execution of the script
ynh_abort_if_errors

#=================================================
# RETRIEVE ARGUMENTS FROM THE MANIFEST
#=================================================

username=$YNH_APP_ARG_USERNAME
password=$YNH_APP_ARG_PASSWORD

app=$YNH_APP_INSTANCE_NAME

#=================================================
# STORE SETTINGS FROM MANIFEST
#=================================================
ynh_script_progression --message="Storing installation settings..." --weight=1

ynh_app_setting_set --app=$app --key=username --value=$username
ynh_app_setting_set --app=$app --key=password --value=$password

#=================================================
# STANDARD MODIFICATIONS
#=================================================
# FIND AND OPEN A PORT
#=================================================
ynh_script_progression --message="Finding an available port..." --weight=1

# Find an available port
port=$(ynh_find_port --port=1883)
ynh_app_setting_set --app=$app --key=port --value=$port

# Open the port
ynh_script_progression --message="Configuring firewall..." --weight=1
ynh_exec_warn_less yunohost firewall allow --no-upnp TCP $port

#=================================================
# INSTALL DEPENDENCIES
#=================================================
ynh_script_progression --message="Installing dependencies..." --weight=20

ynh_install_extra_app_dependencies --repo="deb https://repo.mosquitto.org/debian buster main" --package="$extra_pkg_dependencies" --key="http://repo.mosquitto.org/debian/mosquitto-repo.gpg.key" --name="$app"

#=================================================
# SPECIFIC SETUP
#=================================================
# ADD A CONFIGURATION
#=================================================
ynh_script_progression --message="Adding a configuration file..." --weight=1

ynh_add_config --template="../conf/passwd" --destination="/etc/mosquitto/passwd"
mosquitto_passwd -U "/etc/mosquitto/passwd"

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

#=================================================
# GENERIC FINALIZATION
#=================================================
# SETUP LOGROTATE
#=================================================
ynh_script_progression --message="Configuring log rotation..." --weight=1

# Use logrotate to manage application logfile(s)
ynh_use_logrotate

#=================================================
# INTEGRATE SERVICE IN YUNOHOST
#=================================================
ynh_script_progression --message="Integrating service in YunoHost..." --weight=1

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 --message="Starting a systemd service..." --weight=1

# Start a systemd service
ynh_systemd_action --service_name=$app --action="restart"

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

ynh_script_progression --message="Installation of $app completed" --last