#include "DHTesp.h"
#include <WiFi.h>
#include <PubSubClient.h>
#include "wifi_secrets.h"
#include "mqtt_secrets.h"


#define MQTT_VERSION MQTT_VERSION_3_1_1

const PROGMEM int DHT_PIN = 15; // 2
const PROGMEM char* MQTT_TEMP_SENSOR_STATE_TOPIC    = "home/sensors/temp/1/state"; // online/offline
const PROGMEM char* MQTT_TEMP_SENSOR_COMMAND_TOPIC  = "home/sensors/temp/1/set"; // {temperature: xx, humidity: yy}}

PubSubClient mqttClient(espClient);
DHTesp dhtSensor;

// setup funcs

  void WiFiStationConnected(WiFiEvent_t event, WiFiEventInfo_t info){
    Serial.println("Connected to AP successfully!");
  }

  void WiFiGotIP(WiFiEvent_t event, WiFiEventInfo_t info){
    Serial.println("WiFi connected");
    Serial.println("IP address: ");
    Serial.println(WiFi.localIP());
  }

  void WiFiStationDisconnected(WiFiEvent_t event, WiFiEventInfo_t info){
    Serial.println("Disconnected from WiFi access point");
    Serial.print("WiFi lost connection. Reason: ");
    Serial.println("Trying to Reconnect");
    WiFi.begin(WIFI_SSID, WIFI_PASSWORD);
  }

  void WifiSetup() {
    // delete old config
    WiFi.disconnect(true);

    delay(1000);

    WiFi.onEvent(WiFiStationConnected,ARDUINO_EVENT_WIFI_STA_CONNECTED);
    WiFi.onEvent(WiFiGotIP, ARDUINO_EVENT_WIFI_STA_GOT_IP);
    WiFi.onEvent(WiFiStationDisconnected, ARDUINO_EVENT_WIFI_STA_DISCONNECTED); 
    WiFi.begin(WIFI_SSID, WIFI_PASSWORD);
      
    Serial.println();
    Serial.println();
    Serial.println("Wait for WiFi... ");
  }

  void SensorSetup() {
    Serial.begin(115200);
    dhtSensor.setup(DHT_PIN, DHTesp::DHT22);
  }



void setup() {
  SensorSetup();
  WifiSetup();
}

void loop() {
  TempAndHumidity  data = dhtSensor.getTempAndHumidity();
  Serial.println("Temp: " + String(data.temperature, 2) + "°C");
  Serial.println("Humidity: " + String(data.humidity, 1) + "%");
  Serial.println("---");
  delay(1000);
}


// mqtt

  void publishData() {
    if (!mqttClient.connected()) return;
    mqttClient.publish(MQTT_ALWAYS_ON_STATE_TOPIC, alwaysOnState ? LIGHT_ON : LIGHT_OFF, true);
  }