#!/bin/bash

MQTT_SERVER=`cat /etc/inverter/mqtt.json | jq '.server' -r`
MQTT_PORT=`cat /etc/inverter/mqtt.json | jq '.port' -r`
MQTT_TOPIC=`cat /etc/inverter/mqtt.json | jq '.topic' -r`
MQTT_DEVICENAME=`cat /etc/inverter/mqtt.json | jq '.devicename' -r`
MQTT_USERNAME=`cat /etc/inverter/mqtt.json | jq '.username' -r`
MQTT_PASSWORD=`cat /etc/inverter/mqtt.json | jq '.password' -r`
MQTT_CLIENTID=`cat /etc/inverter/mqtt.json | jq '.clientid' -r`

echo "MQTT Subscriber started for parallel inverters"
echo "Listening on topics:"
echo "  - $MQTT_TOPIC/sensor/${MQTT_DEVICENAME}/command (legacy single inverter)"
echo "  - $MQTT_TOPIC/sensor/${MQTT_DEVICENAME}_inv1_raw_cmd/command (inverter #1)"
echo "  - $MQTT_TOPIC/sensor/${MQTT_DEVICENAME}_inv2_raw_cmd/command (inverter #2)"

# Subscribe to all command topics (legacy + parallel)
mosquitto_sub \
    -h $MQTT_SERVER \
    -p $MQTT_PORT \
    -u "$MQTT_USERNAME" \
    -P "$MQTT_PASSWORD" \
    -i $MQTT_CLIENTID \
    -t "$MQTT_TOPIC/sensor/$MQTT_DEVICENAME/command" \
    -t "$MQTT_TOPIC/sensor/${MQTT_DEVICENAME}_inv1_raw_cmd/command" \
    -t "$MQTT_TOPIC/sensor/${MQTT_DEVICENAME}_inv2_raw_cmd/command" \
    -q 1 | while read -r topic_and_payload; do
    
    # mosquitto_sub with -v outputs "topic payload"
    # Extract topic and payload
    topic=$(echo "$topic_and_payload" | cut -d' ' -f1)
    rawcmd=$(echo "$topic_and_payload" | cut -d' ' -f2-)
    
    echo "[$(date)] Incoming command from $topic: [$rawcmd]"
    
    # Execute command on inverter
    /opt/inverter-cli/bin/inverter_poller -r "$rawcmd"
    
done