#define BLYNK_TEMPLATE_ID "TMPLq8cY7ooc"
#define BLYNK_DEVICE_NAME "PAKAN IKAN IOT"
#define BLYNK_AUTH_TOKEN "1Dysou7U08Vdp70VhjsVqGmT7rNSKcrc"

#define BLYNK_PRINT Serial
#include <WiFi.h>
#include <WiFiClient.h>
#include <BlynkSimpleEsp32.h>
#include <Wire.h>
#include <RTC.h>
#include <LCD_I2C.h>
#include <ESP32Servo.h>
#include <HCSR04.h>

const byte PB_RST_Alarm = 2;
const byte triggerPin = 5;
const byte echoPin = 18;
const byte SPEAKER_PIN = 19;
const int servoPin = 13;
const byte Led_1 = 25;
const byte Led_2 = 33;
const byte Led_3 = 32;

static DS1307 RTC;
Servo servo;
LCD_I2C lcd(0x27, 20, 4);

char auth[] = BLYNK_AUTH_TOKEN;
char ssid[] = "Wokwi-GUEST";
char pass[] = "";

bool Set_Alarm=false, Set_Servo=false;
int Time_Alarm_1, Time_Alarm_2, Time_Alarm_3;
int Jam_Alarm;

BlynkTimer timer;

void Display_LCD(){
    lcd.setCursor(0, 0);
    lcd.print(RTC.getDay()); lcd.print("/"); lcd.print(RTC.getMonth()); lcd.print("/"); lcd.print(RTC.getYear());
    lcd.print("  ["); lcd.print(RTC.getHours()); lcd.print(":"); lcd.print(RTC.getMinutes()); lcd.print("] ");
    lcd.setCursor(0, 1);
    lcd.print("SET TIME 1 ="); lcd.print(Jam_Alarm); lcd.print(":"); lcd.print(Time_Alarm_1);
    lcd.setCursor(0, 2);
    lcd.print("SET TIME 2 ="); lcd.print(Jam_Alarm); lcd.print(":"); lcd.print(Time_Alarm_2);
    lcd.setCursor(0, 3);
    lcd.print("SET TIME 3 ="); lcd.print(Jam_Alarm); lcd.print(":"); lcd.print(Time_Alarm_3);
}

void setup(){
  Serial.begin(115200);
  pinMode(Led_1, OUTPUT);
  pinMode(Led_2, OUTPUT);
  pinMode(Led_3, OUTPUT);
  pinMode(SPEAKER_PIN, OUTPUT);
  pinMode(PB_RST_Alarm, INPUT_PULLUP);
  servo.attach(servoPin);
  HCSR04.begin(triggerPin, echoPin);
  lcd.begin();
  lcd.backlight();
	RTC.begin();
  digitalWrite(Led_1, HIGH); digitalWrite(Led_2, HIGH); digitalWrite(Led_3, HIGH);
  Serial.println("SISTEM PAKAN IKAN OTOMATIS");
  Blynk.begin(auth, ssid, pass);
	Jam_Alarm = RTC.getHours();
  Time_Alarm_1 = RTC.getMinutes() + 1;
  Time_Alarm_2 = RTC.getMinutes() + 2;
  Time_Alarm_3 = RTC.getMinutes() + 3;
  servo.write(90);
  delay(1000);
  timer.setInterval(1000L, Display_LCD);
}

void loop(){
  Blynk.run();
  timer.run();

  Proses_Pemberian_Pakan();
  Proses_Servo();

  if(digitalRead(PB_RST_Alarm) == LOW){
      Jam_Alarm = RTC.getHours();
      Time_Alarm_1 = RTC.getMinutes() + 1;
      Time_Alarm_2 = RTC.getMinutes() + 2;
      Time_Alarm_3 = RTC.getMinutes() + 3;
      Blynk.virtualWrite(V0, 0);
      Blynk.virtualWrite(V1, 0);
      Blynk.virtualWrite(V2, 0);
    }

  double* distances = HCSR04.measureDistanceCm();
  Blynk.virtualWrite(V4, distances[0]);
  if(distances[0] <= 25){
    analogWrite(SPEAKER_PIN,200); delay(300); analogWrite(SPEAKER_PIN,0); delay(100);
    Blynk.virtualWrite(V3, "PAKAN IKAN HABIS");
  }
  else{
       analogWrite(SPEAKER_PIN,0);
       Blynk.virtualWrite(V3, "PAKAN IKAN MASIH TERSEDIA");
      }
}
void Proses_Pemberian_Pakan(){
  if((RTC.getMinutes() == Time_Alarm_1) && (RTC.getSeconds() == 0))
    {Blynk.virtualWrite(V0, 1); digitalWrite(Led_1, 0); Set_Alarm=true;}
  if((RTC.getMinutes() == Time_Alarm_2) && (RTC.getSeconds() == 0))
    {Blynk.virtualWrite(V1, 1); digitalWrite(Led_2, 0); Set_Alarm=true;}
  if((RTC.getMinutes() == Time_Alarm_3) && (RTC.getSeconds() == 0))
    {Blynk.virtualWrite(V2, 1); digitalWrite(Led_3, 0); Set_Alarm=true;}
}
void Proses_Servo(){
  if((RTC.getSeconds() >= 10) && (Set_Servo == true)){
                             Set_Alarm=false;
                             Set_Servo=false;
                             servo.write(90);
                             Serial.println("TUTUP");
                             digitalWrite(Led_1, HIGH);
                             digitalWrite(Led_2, HIGH);
                             digitalWrite(Led_3, HIGH);
                            }
  else if((Set_Alarm == true) && (Set_Servo == false)){
  servo.write(0);
  Set_Servo=true;
  Serial.print("Servo : BUKA | ");
  }
}