#include <WiFi.h>
// #include "DHTesp.h"
#include "ThingSpeak.h"

// const int DHT_PIN = 15;
// const int LED_PIN = 13;
const int trigP = 13;
const int echoP = 12;
long duration;
int distance;
const char* WIFI_NAME = "Wokwi-GUEST";
const char* WIFI_PASSWORD = "";
const int myChannelNumber = 2496868;
const char* myApiKey = "SRJ3B3GM0ZN10UKJ";
const char* server = "api.thingspeak.com";

// DHTesp dhtSensor;
WiFiClient client;

void setup() {
  Serial.begin(115200);
  // dhtSensor.setup(DHT_PIN, DHTesp::DHT22);
  // pinMode(LED_PIN, OUTPUT);
  pinMode(trigP, OUTPUT);
  pinMode(echoP, INPUT);

  WiFi.begin(WIFI_NAME, WIFI_PASSWORD);
  while (WiFi.status() != WL_CONNECTED){
    delay(1000);
    Serial.println("Wifi not connected");
  }
  Serial.println("Wifi connected !");
  Serial.println("Local IP: " + String(WiFi.localIP()));
  WiFi.mode(WIFI_STA);
  ThingSpeak.begin(client);
}

void loop() {
  // TempAndHumidity  data = dhtSensor.getTempAndHumidity();
  digitalWrite(trigP, LOW);
  delayMicroseconds(2);
  digitalWrite(trigP, HIGH);
  delayMicroseconds(10);
  digitalWrite(trigP, LOW);

  duration=pulseIn(echoP, HIGH);
  distance=(0.034/2)*duration;
  ThingSpeak.setField(1,distance);
  // ThingSpeak.setField(2,data.humidity);
  // if (data.temperature > 35 || data.temperature < 12 || data.humidity > 70 || data.humidity < 40) {
    // digitalWrite(LED_PIN, HIGH);
  // }else{
    // digitalWrite(LED_PIN, LOW);
  // }
  
  int x = ThingSpeak.writeFields(myChannelNumber,myApiKey);
  
  // Serial.println("Temp: " + String(data.temperature, 2) + "°C");
  // Serial.println("Humidity: " + String(data.humidity, 1) + "%");
  
  if(x == 200){
    Serial.println("Data pushed successfull");
  }else{
    Serial.println("Push error" + String(x));
  }
  Serial.println("---");

  delay(10000);
}