//#include "WiFi.h"
//#include "ThingSpeak.h"

#include <ESP32Time.h>
#define TIP_SENS_PIN 3 // Hall effect sensor pin
#define DEBOUNCE_DELAY 50  // milliseconds debounce delay
#define conversion_factor 0.00854  // Calibration value

ESP32Time rtc(3600);  // offset in seconds GMT+1
volatile int tip_counter = 0;
volatile unsigned long last_tip_time = 0;

/*
// WiFi credentials
const char* ssid = "i47Net";
const char* password = "0000035007abYZ";

// ThingSpeak settings
const char* server = "api.thingspeak.com";
const char* api_key = "S9JOZ8FMJ8ZN11Q9";
*/
//WiFiClient client;

// Function to handle tipping bucket interrupts
// Introduced debouncing concept to ensure the false tipping due to tipping bucket toggle
void IRAM_ATTR handleTip() {
    unsigned long current_time = millis();
    if (current_time - last_tip_time > DEBOUNCE_DELAY) {
        tip_counter++;
        last_tip_time = current_time;
    }
}

// Function to set the intial time. Note this function needs to be called only once
void time_set()
{
  /*Ref format
  rtc.setTime(30, 24, 15, 17, 1, 2021);  // 17th Jan 2021 15:24:30 */
  rtc.setTime(30, 40, 20, 3, 8, 2024); 
}

void setup() {
  Serial.begin(9600);
  Serial.println('\n');
  pinMode(TIP_SENS_PIN, INPUT_PULLUP);
  attachInterrupt(digitalPinToInterrupt(TIP_SENS_PIN), handleTip, FALLING);
  tip_counter = 0;
  time_set();
  
 

  // Connect to WiFi
/* WiFi.begin(ssid, password);
  Serial.print("Connecting to WiFi");
  while (WiFi.status() != WL_CONNECTED) {
    delay(500);
   Serial.print(".");
  }
  Serial.println("Connected to WiFi");
  */
}

void loop() {
  delay(1000); // Wait the software till hardware sensors gets iniatialsed
  Serial.print("PulseCount: ");
  Serial.println(tip_counter);
  Serial.print("Measurement: ");
  float Measurement = tip_counter * conversion_factor;
  Serial.println(Measurement);
  

  /*Measurement = tip_counter;
  if (client.connect(server, 80)) {  // Connect to ThingSpeak
    String postStr = "GET /update?api_key=" + String(api_key) + "&field1=" + String(Measurement) + " HTTP/1.1\r\n" +
                     "Host: " + String(server) + "\r\n" +
                     "Connection: close\r\n\r\n";

    client.print(postStr);
    delay(1000);
    Serial.println("Data sent to ThingSpeak");
  } else {
    Serial.println("Connection failed");
  }
  client.stop();
  */
  String tim = rtc.getTime();
  Serial.println(tim);  
  //Serial.println("Hour");
  //Serial.println(rtc.getHour(true));
  delay(1000);  // Delay for 1 seconds to match ThingSpeak's update rate
}