<?php

class Symcon_Publish_to_Shelly_MQTT extends IPSModule
{
 public function Create()
    {
        parent::Create();

        // MQTT-Verbindungsparameter
        $this->RegisterPropertyString("broker_address", "");
        $this->RegisterPropertyInteger("broker_port", 1883);
        $this->RegisterPropertyString("username", "");
        $this->RegisterPropertyString("password", "");
        $this->RegisterPropertyString("Topic", "");

        // Nachricht-Payload-Parameter
        $this->RegisterPropertyInteger("msg_id", 1);
        $this->RegisterPropertyString("src", "user1");
        $this->RegisterPropertyString("method", "Switch.Set");
        $this->RegisterPropertyInteger("switch_bool", 0);


    }

    public function ApplyChanges()
    {
        parent::ApplyChanges();
    }

    public function RequestAction($Ident, $Value)
    {
        IPS_LogMessage("ShellySwitchSender", " RequestAction: $Ident = $Value");
        switch ($Ident) {
            case "GetAction":
                $this->GetAction();
                break;
            default:
                throw new Exception("Invalid action");
        }
    }

    private function GetAction()
    {
        IPS_LogMessage("ShellySwitchSender", " Starte GetAction()...");
        // Eigenschaften lesen
        $broker = GetValue($this->ReadPropertyString("broker_address"));
        $port = GetValue($this->ReadPropertyInteger("broker_port"));
        $user = GetValue($this->ReadPropertyString("username"));
        $pass = GetValue($this->ReadPropertyString("password"));
        $topic = GetValue($this->ReadPropertyString("Topic"));

        $msg_id = GetValue($this->ReadPropertyInteger("msg_id"));
        $src = GetValue($this->ReadPropertyString("src"));
        $method = GetValue($this->ReadPropertyString("method"));
        $switch_bool = GetValueBoolean($this->ReadPropertyInteger("switch_bool"));

        IPS_LogMessage("ShellySwitchSender", "Broker: $broker:$port, Topic: $topic");
        IPS_LogMessage("ShellySwitchSender", " src: $src, method: $method, msg_id: $msg_id");
        IPS_LogMessage("ShellySwitchSender", " boolVarID: $switch_bool");
        // JSON-Payload erstellen
        $payload = [
            "id" => 0,
            "src" => $src,
            "method" => $method,
            "params" => [
                "id" => $msg_id,
                "on" => $switch_bool
            ]
        ];

        $json = json_encode($payload);

        IPS_LogMessage("ShellySwitchSender", " MQTT Payload: $json");

        // Sende an MQTTClient
        $clientID = @IPS_GetInstanceIDByName("MQTTClient", 0);
        if ($clientID && IPS_InstanceExists($clientID)) {
            $moduleID = IPS_GetInstance($clientID)['ModuleInfo']['ModuleID'];
            IPS_LogMessage("ShellySwitchSender", "📡 Gefundener MQTTClient mit ModuleID: $moduleID");

            if ($moduleID == "{C03937E3-5F86-EACA-B4A2-39A24ACF945A}") {
                MQTTClient_Publish($clientID, $topic, $json, 0, false);
                IPS_LogMessage("ShellySwitchSender", " Nachricht erfolgreich an '$topic' gesendet.");
            } else {
                IPS_LogMessage("ShellySwitchSender", " Fehler: Instanz 'MQTTClient' hat falsches Modul.");
            }
        } else {
            IPS_LogMessage("ShellySwitchSender", " Kein MQTTClient gefunden oder benannt als 'MQTTClient'.");
        }
    }
}

?>