#include <WiFi.h>
#include <HTTPClient.h>

const char* ssid     = "Wokwi-GUEST"; // Change this to your WiFi SSID
const char* password = ""; // Change this to your WiFi password
const char* device_id = "DHT001";
char* h_sensor_id = "HUM1";
char* t_sensor_id = "TEMP1";
void setup() {
  // put your setup code here, to run once:
  Serial.begin(115200);
  Serial.println("Hello, ESP32!");
  connectWifi();

}



void loop() {
  // put your main code here, to run repeatedly:
  float temp = 30;
  float hum = 80;
  sendDataToWaziCloud(t_sensor_id, temp);

  delay(16000); // this speeds up the simulation

   
  sendDataToWaziCloud(h_sensor_id, hum);
  delay(16000); // this speeds up the simulation

}


void sendDataToWaziCloud(char* sensor_id, float value) {

  // We cancel the send process if our board is not yet connectedd to the internet, and try reconnecting to wifi again.
  if (WiFi.status() != WL_CONNECTED) {
    Serial.println("WiFi not connected.");
    connectWifi();
    return;
  }
  Serial.println("Sending Data ....");
  HTTPClient http;

  // Initialize the API endpoint to send data. This endpoint is responsible for receiving the data we send
  String endpoint = "https://api.waziup.io/api/v2/devices/" + String(device_id) + "/sensors/" + String(sensor_id) + "/value";
  http.begin(endpoint);

  // Header content for the data to send
  http.addHeader("Content-Type", "application/json;charset=utf-8");
  http.addHeader("accept", "application/json;charset=utf-8");

  // Data to send
  String data = "{ \"value\": " + String(value) + " }";

  int httpResponseCode = http.POST(data);

  if (httpResponseCode > 0) {
    String response = http.getString();
    Serial.println("HTTP Response code: " + String(httpResponseCode));
    Serial.println("Response: " + response);
  } else {
    Serial.print("Error code: ");
    Serial.println(httpResponseCode);
  }

  http.end();
}



 


void connectWifi(){
  WiFi.begin(ssid, password); //Initiate the wifi connection here with the credentials earlier preset

  while (WiFi.status() != WL_CONNECTED) {
    delay(1000);
    Serial.print("Connecting to WiFi...: ");
    Serial.println(ssid);
  }

  Serial.println("Connected to WiFi");
  Serial.println("IP address: ");
  Serial.println(WiFi.localIP());
  return;
}