<?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->RegisterPropertyBoolean("switch_bool", "true");


    }

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

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

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

        $msg_id = $this->ReadPropertyInteger("msg_id");
        $src = $this->ReadPropertyString("src");
        $method = $this->ReadPropertyString("method");
        $switch_bool = $this->ReadPropertyString("switch_bool");
        // JSON-Payload erstellen
        $payload = [
            "id" => 0,
            "src" => $src,
            "method" => $method,
            "params" => [
                "id" => $msg_id,
                "on" => $switch_bool
            ]
        ];

        $json = json_encode($payload);

        // Sende an MQTTClient (Symcon MQTTClient muss existieren!)
        $clientID = @IPS_GetInstanceIDByName("MQTTClient", 0); // Name anpassen, falls nötig
        if ($clientID && IPS_InstanceExists($clientID)) {
            // Prüfe ob kompatibler MQTTClient
            if (IPS_GetInstance($clientID)['ModuleInfo']['ModuleID'] == "{C03937E3-5F86-EACA-B4A2-39A24ACF945A}") {
                // Senden mit interner Funktion
                MQTTClient_Publish($clientID, $topic, $json, 0, false);
                IPS_LogMessage("ShellySwitchSender", "📤 Gesendet an '$topic': $json");
                return;
            }
        }

        // Fallback: Logging für manuelle MQTT-Sendung
        IPS_LogMessage("ShellySwitchSender", "⚠️ Kein gültiger MQTTClient gefunden. Bitte in der Instanz 'MQTTClient' benennen.");
    }
}

?>