#!/bin/bash

set -euo pipefail

COMPOSE_CMD=${COMPOSE_CMD:-"docker compose"}
CONTAINER_NAME="mosquitto"

if [ ! -f .env ]; then
    echo "❌ Fehler: .env nicht gefunden. Bitte kopiere .env.example und setze die Passwörter."
    exit 1
fi

set -a
source .env
set +a

ADMIN_USER=${MQTT_ADMIN_USERNAME:-}
ADMIN_PASS=${MQTT_ADMIN_PASSWORD:-}

if [ -z "$ADMIN_USER" ] || [ -z "$ADMIN_PASS" ]; then
    echo "❌ Fehler: MQTT_ADMIN_USERNAME und MQTT_ADMIN_PASSWORD müssen in .env gesetzt sein."
    exit 1
fi

if ! docker ps --format '{{.Names}}' | grep -qx "$CONTAINER_NAME"; then
    echo "❌ Fehler: Mosquitto Container läuft nicht!"
    echo "   Starte mit: docker compose up -d"
    exit 1
fi

publish() {
    local topic=$1
    local payload=$2
    echo "   → $topic : $payload"
    $COMPOSE_CMD exec -T "$CONTAINER_NAME" mosquitto_pub -h localhost -t "$topic" -m "$payload" -u "$ADMIN_USER" -P "$ADMIN_PASS"
}

echo "================================================"
echo "MQTT Server Test"
echo "================================================"
echo ""

echo "📡 Sende Test-Nachrichten..."
echo ""

echo "1️⃣  Temperature Sensor: sensors/temperature"
publish "sensors/temperature" "22.5"

echo "2️⃣  Humidity Sensor: sensors/humidity"
publish "sensors/humidity" "65"

echo "3️⃣  CPU Usage: system/cpu"
publish "system/cpu" "45"

echo "4️⃣  Device Power: devices/device1/power"
publish "devices/device1/power" "ON"

echo "5️⃣  Device Brightness: devices/device1/brightness"
publish "devices/device1/brightness" "75"

echo "================================================"
echo "✅ Test abgeschlossen!"
echo "================================================"
echo ""
echo "🌐 Öffne das Dashboard: http://localhost:5000"
echo "   Die Test-Daten sollten jetzt in den Widgets sichtbar sein."
echo ""
echo "📊 Subscribe auf alle Topics:"
echo "   $COMPOSE_CMD exec -T mosquitto mosquitto_sub -h localhost -t '#' -v -u $ADMIN_USER -P <ADMIN_PASSWORD>"
echo ""
echo "📡 Subscribe auf öffentliche Topics (ohne Auth):"
echo "   $COMPOSE_CMD exec -T mosquitto mosquitto_sub -h localhost -t 'public/#' -v"
echo ""