#include "WiFi.h"

#include "time.h"
#include <Firebase_ESP_Client.h>
//Provide the token generation process info.
#include <addons/TokenHelper.h>

const int sensor = 34;     //analog input pin constant

int reading;    // temperature sensor raw readings

float voltage;    // variable for storing voltage 

float temperature;     // actual temperature variable


int state;//FOR PIR
int pirPin = 2;//FOR PIR

int buzz=4; //FOR BUZZER

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

const char* ntpServer = "pool.ntp.org";
const long  gmtOffset_sec =10800; // 60*60* (+3 GMT) =10800  Jordan TimeZone
const int   daylightOffset_sec = 1; //no Daylight saving in Jordan Currently 



// Insert Firebase project API Key
#define API_KEY ""
#define DATABASE_URL ""  //Sajeda's indoor

// Insert Authorized Email and Corresponding Password
#define USER_EMAIL ""
#define USER_PASSWORD ""
String uid;


//Define Firebase Data objects
FirebaseData fbdo;
FirebaseAuth auth;
FirebaseConfig config;

unsigned long sendDataPrevMillis = 0;
int count = 0;
bool signupOK = false;



char timestring[1024];
struct tm timeinfo;



void setup()
{
  // start the serial port at 9600 baud
  Serial.begin(9600);




  pinMode(pirPin, INPUT);     //FOR PIR
   pinMode(buzz, OUTPUT);  //FOR BUZZER

  WiFi.mode(WIFI_STA); //Optional
    WiFi.begin(ssid, password);
    Serial.println("\nConnecting");

    while(WiFi.status() != WL_CONNECTED){
        Serial.print(".");
        delay(100);
    }

    Serial.println("\nConnected to the WiFi network");
    Serial.print("Local ESP32 IP: ");
    Serial.println(WiFi.localIP());
     // Init and get the time
  configTime(gmtOffset_sec, daylightOffset_sec, ntpServer);
 

  /* Assign the api key (required) */
  config.api_key = API_KEY;

  /* Assign the RTDB URL (required) */
  config.database_url = DATABASE_URL;
 config.timeout.serverResponse = 10 * 1000;
  /////////////////TEST Firebase manual auth
  auth.user.email = USER_EMAIL;
  auth.user.password = USER_PASSWORD;
  Firebase.reconnectWiFi(true);
  fbdo.setResponseSize(8192);
  config.token_status_callback = tokenStatusCallback; //see addons/TokenHelper.h
  config.max_token_generation_retry = 5;
   Firebase.begin(&config, &auth);
  Serial.println("Getting User UID");
  while ((auth.token.uid) == "") {
  Serial.print('.');
  delay(50);
  }
  uid = auth.token.uid.c_str();
  Serial.print("User UID: ");
  Serial.println(uid);
  
  /////////////////TEST Firebase manual auth


}

void printLocalTime(){
  
  if(!getLocalTime(&timeinfo)){
    Serial.println("Failed to obtain time");
    return;
  }
 strftime(timestring, sizeof(timestring), "%A, %B %d %Y %H:%M:%S", &timeinfo);
Serial.println(timestring);
  Serial.println();
}



void loop()
{

    state = digitalRead(pirPin);
        if (state == HIGH){
    Serial.println ("  motion detected ");

     tone(4, 262, 2500); // Plays 262Hz tone for 0.250 seconds //FOR BUZZER
     printLocalTime();
 //read the temp sensor and store it in tempVal
 reading = analogRead(sensor);

 voltage = reading/1023.0;             // normalize by the maximum temperature raw reading range

 temperature = (voltage - 0.5) * 100 ;         //calculate temperature celsius from voltage as per the equation found on the sensor spec sheet.

/*
voltage = reading * (5000 / 1024.0);

  // Convert the voltage into the temperature in Celsius:
   temperature = (voltage - 500) / 10;
*/

Serial.print(" Temperature is:   "); // print out the following string to the serial monitor
Serial.print(temperature);                  // in the same line print the temperature
Serial.println (" degrees C");       // still in the same line print degrees C, then go to next line.



 if (Firebase.ready()){ //for checking authuntication 
    sendDataPrevMillis = millis();
    Serial.println("Firebase is Ready");

  
    //Firebase.RTDB.setInt(&fbdo,"Timestamp/"+String(boardsStruct[timeIndex].timeStampRAP) + "/" + "Coordinates/X",x);
Firebase.RTDB.setInt(&fbdo,String(timestring) + "/Temp",temperature);



 }


delay(2000);                         // wait for 1 second or 1000 milliseconds before taking the next reading. 
       tone(4, 0, 250); // Plays 262Hz tone for 0.250 seconds //FOR BUZZER
        }

        else {

                Serial.println (" no motion detected");


        }

delay(1000);  

}