#include "mqtt_handler.h"
#include "thermostat.h"
#include <ArduinoJson.h>

// Variables now defined in web_config.cpp

void setup_mqtt(PubSubClient& client) {
    // Setup MQTT connection, subscribe to temp topic
    client.setCallback(mqtt_callback);
    client.subscribe(mqtt_temp_topic.c_str());
}

void mqtt_loop(PubSubClient& client) {
    if (!client.connected()) {
        // reconnect logic here
    }
    client.loop();
}

void mqtt_publish_state(PubSubClient& client, ThermostatMode mode, float targetTemp, bool heating) {
    StaticJsonDocument<128> doc;
    doc["mode"] = mode;
    doc["target"] = targetTemp;
    doc["heating"] = heating;
    char buf[128];
    size_t n = serializeJson(doc, buf);
    client.publish(("home/thermostat/" + mqtt_device_id + "/state").c_str(), buf, n);
}

void mqtt_callback(char* topic, byte* payload, unsigned int length) {
    // Handle incoming MQTT messages (e.g., set mode, set preset, etc.)
}