#include <Adafruit_ADS1X15.h>
#include <WiFi.h>
#include <HTTPClient.h>
#include <ArduinoJson.h>

const char* ssid = "Wokwi-GUEST";
const char* password = "";

Adafruit_ADS1015 ads;

void setup() {


  WiFi.begin("Wokwi-GUEST", "");

  while (WiFi.status() != WL_CONNECTED) {
    delay(500);
    Serial.print(".");
  }
  Serial.println("");
  Serial.println("WiFi connected");
  Serial.println("IP address: ");
  Serial.println(WiFi.localIP());


  // initialize serial communication at 115200 bits per second:
  Serial.begin(115200);
  
  //set the resolution to 12 bits (0-4096)
  analogReadResolution(12);

  ads.begin();

}

void loop() {
  int16_t adcValue;
  float voltage;

  // read the analog / millivolts value for pin 2:
  int analogValue = analogRead(2);
  int analogVolts = analogReadMilliVolts(2);
  
  delay(100);  // delay in between reads for clear read from serial

  // Read from AIN0 (assuming your sensor is connected to A0)
  adcValue = ads.readADC_SingleEnded(0);

  // Convert ADC value to voltage
  voltage = ads.computeVolts(adcValue);

    HTTPClient http;
    
    StaticJsonDocument<200> doc;
    doc["analog"] = analogValue; 
    doc["name"] = "OleksandrH";
    doc["date"] = "05-23-2024";

    String output;
    serializeJson(doc, output);

    String url = "http://dweet.io/dweet/for/KNUS-11-05";
    http.begin(url);
    http.addHeader("Content-Type", "application/json");
    int httpCode = http.POST(output);

    if (httpCode > 0) 
    { 
      String payload = http.getString();
      Serial.println(payload);
    } 
    else 
    {
      Serial.println("Error on HTTP POST request");
    }

    http.end(); 

  // Print the result
  Serial.print("ADC Value: "); Serial.print(adcValue);
  Serial.print("   Voltage: "); Serial.print(voltage); Serial.print(" V");
  Serial.print("   Analog Value: "); Serial.print(analogValue);
  //Serial.print("ADC millivolts value = %d\n",analogVolts);
  
  
  Serial.println(" ");

  delay(1000); // Delay for readability, adjust as needed

}