//Automatic Gates 1.0

#include <EncButton.h>
#include <Wire.h>
#include <LiquidCrystal_I2C.h>

LiquidCrystal_I2C lcd(0x27, 16, 2);

EncButton<EB_TICK, 7> btn1(INPUT_PULLUP);
EncButton<EB_TICK, 6> btn2(INPUT_PULLUP);

int LED1 = 4;
int LED2 = 3;
int LED3 = 2;

uint32_t tmr, tmr1, tmr2;
uint16_t prd1 = 500, prd2 = 1000;
bool flag1, flag2, btn10, state1, state2, state3; 

unsigned long gate1 = 3000;     // gate 1 working time
unsigned long gate2 = 3000;     // gate 2 working time
unsigned long gate1to2 = 2000;   // tmr - the time between 1st and 2nd gate


void setup() {
  Serial.begin(9600);
  pinMode(LED1, OUTPUT);
  pinMode(LED2, OUTPUT);
  pinMode(LED3, OUTPUT);
  lcd.init();
  lcd.clear();
  lcd.backlight();
}

void loop() {

  btn1.tick();
  btn2.tick();

  if (btn1.isClick()) {
    Serial.println("BUTTON 1 Clicked");
    btn10 = true;
    state1 = true;
    state2 = true;
    tmr1 = millis();
    //tmr2 = millis();
    tmr = millis();
    //open();
  }

  if (btn1.isHold()) {
    Serial.println("BUTTON 1 Hold");
  } 

  if (btn2.isClick()) {
    Serial.println("BUTTON 2 Clicked");
    state2 = true;
    tmr2 = millis();
  }

  if (btn2.isHold()) {
    Serial.println("BUTTON 2 Hold");
  }
 
  open();
}

void open() {
  if (btn10 == true) {

    if (state1 == true) {

      if(millis() - tmr1 <= gate1)  {
        digitalWrite(LED1, HIGH);
        Serial.println("Led 1 ON");
      }
      else {
        digitalWrite(LED1, LOW);
        Serial.println("Led 1 OFF");
        state1 = false;
      }
    }

    if(millis() - tmr >= gate1to2) {

      if (state3 == false)  {
        state3 = true;
        tmr2 = millis();
        //Serial.println("state3");
      }

      if (state2 == true) {
        tmr2 = millis();
        if(millis() - tmr2 <= gate2)  {
          digitalWrite(LED2, HIGH);
          Serial.println("Led 2 ON");
        }
        else {
          digitalWrite(LED2, LOW);
          Serial.println("Led 2 OFF");
          state2 = false;
          //btn10 = false;
        }
      }
    }
  } 
  else {
    Serial.println(btn10);
    btn10 = false;
  }
}

/*
void open1() {

  if (state1 == true) {

    if(millis() - tmr1 <= gate1)  {
      digitalWrite(LED1, HIGH);
      Serial.println("Led ON");
    }
    else {
      digitalWrite(LED1, LOW);
      Serial.println("Led OFF");
      state1 = false;
    }
  }
}

void open2() {

  if (state2 == true) {

    if(millis() - tmr2 <= gate2)  {
      digitalWrite(LED2, HIGH);
      Serial.println("Led ON");
    }
    else {
      digitalWrite(LED2, LOW);
      Serial.println("Led OFF");
      state2 = false;
    }
  }
}


*/



/*
void open1() {
  if(tmr1 == millis()) {
    digitalWrite(LED3, HIGH);
    Serial.println("Led HIGH");
  }

  if (state1 && millis() - tmr1 >= 3000)  {
    digitalWrite(LED3, LOW);
   // Serial.println("Led LOW");
    state1 = 0;
  }
}
*/

/*
void led1() {
  if (millis() - tmr1 >= prd1) {
    tmr1 = millis();
    flag1 = !flag1;
    digitalWrite(LED1, flag1);
  }
}

void led2() {
  if (millis() - tmr2 >= prd2) {
    tmr2 = millis();
    flag2 = !flag2;
    digitalWrite(LED2, flag2);
  }
}
*/