#include <Wire.h>
#include <LiquidCrystal_I2C.h>
#include <RTClib.h>  
#include <ESP32Servo.h>
LiquidCrystal_I2C lcd(0x27, 16, 2);


RTC_DS1307 rtc;  

// uint8_t set_Sec = 0;            
// uint8_t set_Minute = 47;        
// uint8_t set_Hour = 13;           
// uint8_t set_Day = 11;           
// uint8_t set_Month = 9;        
// uint16_t set_Year = 2024;       
 
Servo myservo;
int servoPin = 13;
int pushButtonPin = 25;
int angle = 0;
bool doorOpen = false;  
DateTime doorOpenedTime; 
unsigned long doorOpenTimestamp = 0;
void setup(void) {
  Serial.begin(115200);         
  
  // lcd.init();                  
  // lcd.backlight();             
  
  // if (!rtc.begin()) {           // Initialize the RTC
  //   Serial.println("Couldn't find RTC");
  //   while (1);  // Stop the program if the RTC is not found
  // }

  // if (!rtc.isrunning()) {       // Check if the RTC is running
  //   Serial.println("RTC is NOT running, setting the time!");
  //   rtc.adjust(DateTime(set_Year, set_Month, set_Day, set_Hour, set_Minute, set_Sec));  // Set the time
  // }

  // delay(1000);                  /* Wait for 1000ms */
  
   myservo.attach (servoPin);
   pinMode(pushButtonPin,INPUT_PULLUP);
   Serial.println("opening and closing the door");
  
}

void loop(void) {
//  date_time();
 DateTime currenttime = rtc.now();
 door_control(currenttime);
}

//  void date_time(){
//  DateTime now = rtc.now();  // Get the current time from the RTC

//   lcd.setCursor(0, 0);       // Reset the cursor to the first row
//   lcd.print("Time: ");
//   lcd.print(now.hour());
//   lcd.print(":");
//   lcd.print(now.minute());
//   lcd.print(":");
//   lcd.print(now.second());

//   // Update the date on the second row
//   lcd.setCursor(0, 1);
//   lcd.print("Date: ");
//   lcd.print(now.day());
//   lcd.print(".");
//   lcd.print(now.month());
//   lcd.print(".");
//   lcd.print(now.year());

//   delay(1000);  // Wait for 1 second before refreshing the display
// }

// void door_control(){
// while(digitalRead(pushButtonPin) == LOW){
//   // // change the angle for next time through the loop:
//   // angle = angle + 90;

//   //   // reverse the direction of the moving at the ends of the angle:
//   //   if (angle <= 0 || angle >= 180) {
//   //     angleStep = -angleStep;
//   //   }
//   //   myservo.write(angle); // move the servo to desired angle
//   //     Serial.print("Moved to: ");
//   //     Serial.print(angle);   // print the angle
//   //     Serial.println(" degree");    
//   // delay(100); // waits for the servo to get there
//   }// while
// }
void open_door(){
  angle = 90;
  myservo.write(angle); 
  doorOpenedTime = rtc.now();
  doorOpenTimestamp = millis();
}
void close_door(){
  angle = 0;
  myservo.write(angle);
}
void door_control(DateTime currenttime) {
  unsigned long currentMillis = millis();
  unsigned long elapsedMillis = currentMillis - doorOpenTimestamp;
  
  if (digitalRead(pushButtonPin) == LOW) {   // If the button is pressed
    open_door();      
  } else if (elapsedMillis >= 600000) { // 600000 milliseconds = 600 seconds = 10 minutes
    close_door(); 
  }
}