#include <LiquidCrystal_I2C.h>
#include <EncButton.h>
LiquidCrystal_I2C lcd(0x27, 16, 2);
EncButton eb(7, 6, 8);    
Button butt(4);
int flag = 0;
uint32_t tmr;
uint32_t tmr1;
int ticket = 1;
int h;
int m;
int cursor = 0;
int il;
byte on;
uint32_t times;
byte time_mode;
uint32_t timer;
byte rel_on;

void setup() {
  Serial.begin(9600);
  butt.setButtonLevel(HIGH);
  eb.setButtonLevel(HIGH);
  eb.setEncType(EB_STEP);
  pinMode(5, OUTPUT);
  lcd.init();
  lcd.backlight();
  lcd.clear();
  lcd.setCursor(0, 0);
  lcd.print("Start System...");
  delay(1500);
  lcd.clear();
}

void loop() {
  Serial.println(time_mode);

  eb.tick();
  butt.tick();
  if (eb.right() && cursor == 0) {
    flag ++;
    lcd.clear();
    if (flag > 2) {
      flag = 2;
    }
  }
  if (eb.left() && cursor == 0) {
    lcd.clear();
    flag --;
    if (flag < 0) {
      flag = 0;
    }
  }
  if (eb.rightH()) {
    cursor ++;
    if (flag == 2) {
      if (cursor > 2) {
        cursor = 2;
      }
    }
    if (flag == 1 || flag == 0) {
      if (cursor > 1) {
        cursor = 1;
      }
    }
    aboba();
  }
  if (eb.leftH()) {
    cursor --;
    if (cursor < 0) {
      cursor = 0;
    }
    aboba();
  }
  if (flag == 0) {
    lcd.setCursor(14, 0);
    lcd.print("M1");
    lcd.setCursor(1, 1);
    lcd.print("Ticket:" + String(ticket) + "  ");
    if (butt.click()) {
      ticket --;
      if (ticket < 0) {
        ticket = 0;
      }
    }
    if (ticket == 0) {
      if (il < 10) {
        if (millis() - tmr >= 500) {
          tmr = millis();
          digitalWrite(5, !on);
          on = !on;
          il += 1;
        }
      }
    }
    if (eb.right() && cursor == 1) {
      ticket ++;
      il = 0;
      if (ticket > 100) {
        ticket = 100;
      }
    }
    if (eb.left() && cursor == 1) {
      ticket --;
      il = 0;
      if (ticket < 1) {
        ticket = 1;
      }
    }
  }
  if (flag == 1) {
    lcd.setCursor(14, 0);
    lcd.print("M2");
    lcd.setCursor(1, 1);
    lcd.print("Time:" + String(h)  + ":" + String(m) + " ");
    lcd.setCursor(15, 1);
    lcd.print(time_mode);
    times = (h * 60 + m) * 60000;
    if (eb.right() && cursor == 1) {
      m ++;
      if (m > 59 && h < 23) {
        m = 0;
        h += 1;
        if (h > 23) {
          h = 23;
        }
      }
    }
    if (eb.left() && cursor == 1) {
      m --;
      if (h == 0 && m < 0) {
        m = 0;
      }
      if (m < 0 && h > 0) {
        m = 59;
        h -= 1;
        if (h < 0) {
          h = 0;
        }
      }
    }
    if (butt.click()) {
      time_mode = 1;
      timer = millis();
    }
    if (time_mode == 1) {
      if (millis() -  timer >= times) {
        digitalWrite(5, 1);
//
      }
      if (millis() - timer >= (times + 10000)) {
        digitalWrite(5, 0);
        time_mode = 0;
      }
    }
  }
  if (flag == 2) {
    lcd.setCursor(14, 0);
    lcd.print("M3");
    lcd.setCursor(1, 1);
    lcd.print("Pl:" + String(ticket) + " ");
    lcd.setCursor(8, 1);
    lcd.print("Tm:" + String(h)  + ":" + String(m) + " ");
    times = (h * 60 + m) * 60000;
    if (butt.click()) {
      ticket --;
      if (ticket < 0) {
        ticket = 0;
      }
    }
    if (ticket == 0) {
      tmr1 = millis();
      if (il < 10) {
        if (millis() - tmr >= 500) {
          tmr = millis();
          digitalWrite(5, !on);
          on = !on;
          il += 1;
        }
      }
      if (millis() - tmr1 > 10000) {
        rel_on = 1;
        timer = millis();
      }
      if (rel_on == 1) {
        if (millis() -  timer >= times) {
          digitalWrite(5, 1);
        }
        if (millis() - timer >= (times + 10000)) {
          digitalWrite(5, 0);
          rel_on = 0;
        }
      }
    }
    if (eb.left()) {
      if (cursor == 1) {
        ticket ++;
        il = 0;
        if (eb.fast()) {
          ticket += 5;
        }
        if (ticket > 100) {
          ticket = 100;
        }
      }
      if (cursor == 2) {
        m ++;
        if (eb.fast()) {
          m += 5;
        }
        if (m > 59 && h < 23) {
          m = 0;
          h += 1;
        }
        if (h > 23) {
          h = 23;
        }
      }
    }
    if (eb.right()) {
      if (cursor == 1) {
        ticket -= 1;
        il = 0;
        if (eb.fast()) {
          ticket -= 5;
        }
        if (ticket < 1) {
          ticket = 1;
        }
      }
      if (cursor == 2) {
        m ++;
        if (eb.fast()) {
          m += 5;
        }
        if (h == 0 && m < 0) {
          m = 0;
        }
        if (m < 0 && h > 0) {
          m = 59;
          h -= 1;
          if (h < 0) {
            h = 0;
          }
        }
      }
    }
  }
}

void aboba() {
  if (cursor == 0 && (flag == 0 || flag == 1 || flag == 2)) {
    print_1();
    print_2clr();
  }
  if (cursor == 1 && (flag == 0 || flag == 1)) {
    print_2();
    print_1clr();
  }
  if (cursor == 2 && flag == 2) {
    print_3();
    print_2clr();
  }
  if (cursor == 1 && flag == 2) {
    print_2();
    print_1clr();
    print_3clr();
  }
}
void print_1() {
  lcd.setCursor(0, 0);
  lcd.print(">");
}
void print_2() {
  lcd.setCursor(0, 1);
  lcd.print(">");
}
void print_3() {
  lcd.setCursor(7, 1);
  lcd.print(">");
}
void print_1clr() {
  lcd.setCursor(0, 0);
  lcd.print(" ");
}
void print_2clr() {
  lcd.setCursor(0, 1);
  lcd.print(" ");
}
void print_3clr() {
  lcd.setCursor(7, 1);
  lcd.print(" ");
}