/////esp32 smart farm

#include <LiquidCrystal_I2C.h>
#include <RTClib.h>
#include <DHT.h>

LiquidCrystal_I2C lcd(0x27, 16, 2);
RTC_DS1307 rtc;
DHT dht(27, DHT22);
////////////////////milli
unsigned long pre1 = 0;
unsigned long pre2 = 0;
unsigned long pre3 = 0;
unsigned long pre4 = 0;

unsigned long timer1 = 100;
unsigned long timer2 = 100;
unsigned long timer3 = 1000;
unsigned long timer4 = 1000;

unsigned long current1 = 0;
unsigned long current2 = 0;
unsigned long current3 = 0;
unsigned long current4 = 0;

int led1 = 0;
int led2 = 0;
int led3 = 0;
int led4 = 0;
////////////////////////////////////////
int x = 0;

int d;
int m;
int y;
int h;
int mi;
int s;
int dnum;
//////////////////////start time
int h1 = 0;
int m1 = 0;
int s1 = 0;
///////////////////stop time
int h2 = 0;
int m2 = 0;
int s2 = 0;

int pump = 5;
int fan  = 4;
int lamp = 2;

int set = 14;
int up = 12;
int down = 13;

int st = 0;
int mode = 26;
int st1 = 0;

int temp;
int hum;

char daysOfTheWeek[7][6] = {"Sun", "Mon", "Tue", "Wed", "Thu", "Fri", "Sat"};

void setup() {
  pinMode(pump, OUTPUT);
  pinMode(fan, OUTPUT);
  pinMode(lamp, OUTPUT);
  
  pinMode(mode, INPUT_PULLUP);

  pinMode(set, INPUT_PULLUP);
  pinMode(up, INPUT_PULLUP);
  pinMode(down, INPUT_PULLUP);

  Serial.begin(115200);
  dht.begin();
  rtc.begin();
  lcd.init();
  lcd.backlight();

}

void loop() {
  hum = dht.readHumidity();
  temp = dht.readTemperature();
  // date_time();
  int sw = digitalRead(mode);
  delay(200);
  if (sw == 0) {
    st1 = !st1;

  }
  if (st1 == 0) {
    date_time();

  } else {
    ht();
  }
  Serial.println(st1);
  int sw1 = digitalRead(set);
  delay(500);
  if (sw1 == 0) {
    st++;
    if (st >= 7) {
      lcd.clear();
      st = 0;

    }
    Serial.println(st);
    delay(1000);
  }
  if (st == 0 && st1 == 0) {
    date_time ();
    // ht ();
  } else if (st != 0 && st1 == 1) {
    start ();
    stop ();
  }
  Serial.print("Temp = ");
  Serial.println(temp);
  Serial.print("Hum = ");
  Serial.println(hum);
  dhum();
}////end loop


void date_time() {
  DateTime now = rtc.now();
  d = now.day();
  m = now.month();
  y = now.year();
  h = now.hour();

  mi = now.minute();
  s = now.second();
  dnum = now.dayOfTheWeek();



  lcd.setCursor(0, 0);
  lcd.print(daysOfTheWeek[dnum]);
  lcd.setCursor(5, 0);
  if (d <= 9) {
    lcd.print("0");
  }
  lcd.print(d);
  lcd.setCursor(7, 0);
  lcd.print("/");
  lcd.setCursor(8, 0);
  if (m <= 9) {
    lcd.print("0");
  }
  lcd.print(m);
  lcd.setCursor(10, 0);
  lcd.print("/");
  y = y + 543;
  lcd.setCursor(11, 0);
  lcd.print(y);
  lcd.setCursor(0, 1);
  lcd.print("Time ");
  lcd.setCursor(5, 1);
  if (h <= 9) {
    lcd.print("0");
  }
  lcd.print(h);
  lcd.setCursor(7, 1);
  lcd.print(":");
  lcd.setCursor(8, 1);
  if (mi <= 9) {
    lcd.print("0");
  }
  lcd.print(mi);
  lcd.setCursor(10, 1);
  lcd.print(":");

  lcd.setCursor(11, 1);
  if (s <= 9) {
    lcd.print("0");
  }
  lcd.print(s);

}
///////////////////////////Function Start
void start() {
  if (st == 1) {
    int sw2 = digitalRead(up);
    delay(50);
    if (sw2 == 0) {
      h1++;
      if ( h1 >= 24) {
        h1 = 0;
      }
    }
    int sw3 = digitalRead(down);
    delay(50);
    if (sw3 == 0) {
      h1--;
      if ( h1 <= 0) {
        h1 = 23;
      }
    }
    lcd.setCursor(5, 0);
    lcd.print("   ");
    delay(200);
  }
  if (st == 2) {
    int sw2 = digitalRead(up);
    delay(50);
    if (sw2 == 0) {
      m1++;
      if ( m1 >= 60) {
        m1 = 0;
      }
    }
    int sw3 = digitalRead(down);
    delay(50);
    if (sw3 == 0) {
      m1--;
      if ( m1 <= 0) {
        m1 = 59;
      }
    }
    lcd.setCursor(9, 0);
    lcd.print("  ");
    delay(200);
  }
  if (st == 3) {
    int sw2 = digitalRead(up);
    delay(50);
    if (sw2 == 0) {
      s1++;
      if ( s1 >= 60) {
        s1 = 0;
      }
    }
    int sw3 = digitalRead(down);
    delay(50);
    if (sw3 == 0) {
      s1--;
      if ( s1 <= 0) {
        s1 = 59;
      }
    }
    lcd.setCursor(12, 0);
    lcd.print("  ");
    delay(200);
  }
  ////////////////////////
  lcd.setCursor(0, 0);
  lcd.print("Start");
  lcd.setCursor(6, 0);
  if (h1 <= 9) {
    lcd.print("0");
  }
  lcd.print(h1);
  lcd.setCursor(8, 0);
  lcd.print(":");
  ////////////////////////minute
  lcd.setCursor(9, 0);
  if (m1 <= 9) {
    lcd.print("0");
  }
  lcd.print(m1);
  lcd.setCursor(11, 0);
  lcd.print(":");
  ////////////////////////second
  lcd.setCursor(14, 0);
  lcd.print(" ");
  lcd.setCursor(12, 0);
  if (s1 <= 9) {
    lcd.print("0");
  }
  lcd.print(s1);
  //lcd.setCursor(0, 0);
  //lcd.print(String(h) + ":" + String(m) + ":" + String(s) + "  ");
}////////////////////////end loop
///////////////////////////////////Function Stop
void stop() {
  if (st == 4) {
    int sw2 = digitalRead(up);
    delay(50);
    if (sw2 == 0) {
      h2++;
      if ( h2 >= 24) {
        h2 = 0;
      }
    }
    int sw3 = digitalRead(down);
    delay(50);
    if (sw3 == 0) {
      h2--;
      if ( h2 <= 0) {
        h2 = 23;
      }
    }
    lcd.setCursor(6, 1);
    lcd.print("  ");
    delay(200);
  }
  if (st == 5) {
    int sw2 = digitalRead(up);
    delay(50);
    if (sw2 == 0) {
      m2++;
      if ( m2 >= 60) {
        m2 = 0;
      }
    }
    int sw3 = digitalRead(down);
    delay(50);
    if (sw3 == 0) {
      m2--;
      if ( m2 <= 0) {
        m2 = 59;
      }
    }
    lcd.setCursor(9, 1);
    lcd.print("  ");
    delay(200);
  }
  if (st == 6) {
    int sw2 = digitalRead(up);
    delay(50);
    if (sw2 == 0) {
      s2++;
      if ( s2 >= 60) {
        s2 = 0;
      }
    }
    int sw3 = digitalRead(down);
    delay(50);
    if (sw3 == 0) {
      s2--;
      if ( s2 <= 0) {
        s2 = 59;
      }
    }
    lcd.setCursor(12, 1);
    lcd.print("  ");
    delay(200);
  }
  ////////////////////////
  lcd.setCursor(0, 1);
  lcd.print("Stop");
  lcd.setCursor(4, 1);
  lcd.print("  ");
  lcd.setCursor(6, 1);
  if (h2 <= 9) {
    lcd.print("0");
  }
  lcd.print(h2);
  lcd.setCursor(8, 1);
  lcd.print(":");
  ////////////////////////minute
  lcd.setCursor(9, 1);
  if (m2 <= 9) {
    lcd.print("0");
  }
  lcd.print(m2);
  lcd.setCursor(11, 1);
  lcd.print(":");
  ////////////////////////second
  lcd.setCursor(12, 1);
  if (s2 <= 9) {
    lcd.print("0");
  }
  lcd.print(s2);
  lcd.setCursor(14, 1);
  lcd.print("  ");
  //lcd.setCursor(0, 0);
  //lcd.print(String(h) + ":" + String(m) + ":" + String(s) + "  ");
}

void ht() {
  // hum = dht.readHumidity();
  // temp = dht.readTemperature();
  lcd.setCursor(0, 1);
  lcd.print("Hum");
  lcd.setCursor(5, 1);
  lcd.print("   ");
  lcd.setCursor(4, 1);
  lcd.print(hum);
  lcd.setCursor(8, 1);
  lcd.print("Temp");
  lcd.setCursor(12, 1);  //// clear
  lcd.print("   ");
  lcd.setCursor(13, 1);
  lcd.print(temp);
}
///////////////////////////////////////////////////////////Function temp Hum
void dhum() {
  if (hum < 70  ) {
    current1 = millis();
    Serial.println(hum);
    if (current1 - pre1 >= timer1) {
      pre1 = current1;
      if (led1 == LOW) {
        led1 = HIGH;
      } else {
        led1 = LOW;
      }
      digitalWrite(pump, led1);
      if (led1 == HIGH) {
        timer1 =  5000;
        Serial.print("timer1 H =");
        Serial.println(timer1);
      } else {
        (timer1 =  1000);
        Serial.print("Timer1 L =");
        Serial.println(timer1);
      }

    }
  }
  else {
    digitalWrite(pump, LOW);
  }
  if (temp > 38) {
    current2 = millis();
    if (current2 - pre2 >= timer2) {
      pre2 = current2;
      if (led2 == LOW) {
        led2 = HIGH;
      } else {
        led2 = LOW;
      }
      digitalWrite(fan, led2);
      if (led2 == HIGH) {
        timer2 =  5000;
        Serial.print("timer2 H =");
        Serial.println(timer2);
      } else {
        (timer1 =  1000);
        Serial.print("Timer2 L =");
        Serial.println(timer2);
      }
    }
  } else if (temp <= 25) {
    digitalWrite(fan, LOW);
  }
  if (temp < 25) {
    digitalWrite(lamp, HIGH);
  } else {
    digitalWrite(lamp, LOW);
  }
}