#!/bin/bash
source "$(dirname "$0")/../.env"

MQTT_AUTH_ARGS=()
MQTT_TLS_ARGS=()

if [[ -n "${MQTT_USERNAME:-}" ]]; then
	MQTT_AUTH_ARGS+=( -u "$MQTT_USERNAME" )
fi
if [[ -n "${MQTT_PASSWORD:-}" ]]; then
	MQTT_AUTH_ARGS+=( -P "$MQTT_PASSWORD" )
fi
if [[ "${MQTT_TLS_ENABLED:-0}" == "1" || "${MQTT_TLS_ENABLED:-0}" == "true" || "${MQTT_TLS_ENABLED:-0}" == "yes" ]]; then
	[[ -n "${MQTT_TLS_CA_CERT:-}" ]] && MQTT_TLS_ARGS+=( --cafile "$MQTT_TLS_CA_CERT" )
	[[ -n "${MQTT_TLS_CERT:-}" ]] && MQTT_TLS_ARGS+=( --cert "$MQTT_TLS_CERT" )
	[[ -n "${MQTT_TLS_KEY:-}" ]] && MQTT_TLS_ARGS+=( --key "$MQTT_TLS_KEY" )
	if [[ "${MQTT_TLS_INSECURE:-0}" == "1" || "${MQTT_TLS_INSECURE:-0}" == "true" || "${MQTT_TLS_INSECURE:-0}" == "yes" ]]; then
		MQTT_TLS_ARGS+=( --insecure )
	fi
fi

echo "Testing MQTT connection to $MQTT_BROKER:$MQTT_PORT"
echo "Publishing test message..."
mosquitto_pub -h "$MQTT_BROKER" -p "$MQTT_PORT" "${MQTT_AUTH_ARGS[@]}" "${MQTT_TLS_ARGS[@]}" -t "infoscreen/test" -m "Hello from Pi development setup"

echo "Subscribing to test topic (press Ctrl+C to stop)..."
mosquitto_sub -h "$MQTT_BROKER" -p "$MQTT_PORT" "${MQTT_AUTH_ARGS[@]}" "${MQTT_TLS_ARGS[@]}" -t "infoscreen/test"