// 2509106102
#include <Servo.h>

Servo ServoR;
Servo ServoL;

int segA = 4, segB = 5, segC = 6, segD = 7, segE = 8, segF = 9, segG = 10;
int button = 2;
int red = 12, green = 13;
int state = 0;

int digits[10][7] = {
  {1,1,1,1,1,1,0},
  {0,1,1,0,0,0,0},
  {1,1,0,1,1,0,1},
  {1,1,1,1,0,0,1},
  {0,1,1,0,0,1,1},
  {1,0,1,1,0,1,1},
  {1,0,1,1,1,1,1},
  {1,1,1,0,0,0,0},
  {1,1,1,1,1,1,1},
  {1,1,1,1,0,1,1}
};

unsigned long waktuberakhir = 0;
int durasiinputpw = 5;
int waktuautolock = 9;
String password = "102";

void resetsmartlock() {
  state = 0;
  ServoR.write(90);
  ServoL.write(90);

  digitalWrite(red, HIGH);
  digitalWrite(green, LOW);

  clearDisplay();
  Serial.println("");
  Serial.println("smart lock siap( •◡-) tekan tombol untuk memulai");
}

void clearDisplay() {
  digitalWrite(segA, LOW);
  digitalWrite(segB, LOW);
  digitalWrite(segC, LOW);
  digitalWrite(segD, LOW);
  digitalWrite(segE, LOW);
  digitalWrite(segF, LOW);
  digitalWrite(segG, LOW);
}

void setup() {
  Serial.begin(9600);

  ServoR.attach(3);
  ServoL.attach(11);
  
  pinMode(segA, OUTPUT);
  pinMode(segB, OUTPUT);
  pinMode(segC, OUTPUT);
  pinMode(segD, OUTPUT);
  pinMode(segE, OUTPUT);
  pinMode(segF, OUTPUT);
  pinMode(segG, OUTPUT);
  pinMode(red, OUTPUT);
  pinMode(green, OUTPUT);
  pinMode(button, INPUT_PULLUP);

  resetsmartlock();
}

void loop() {
  if (state == 0) {
    if (digitalRead(button) == LOW) {
      state = 1;
      durasiinputpw = 5;
      displayDigit(durasiinputpw);
      waktuberakhir = millis();
      Serial.println("⇢ masukkan password࿐ྂ");
    }
  } 
  else if (state == 1) {
    if (millis() - waktuberakhir >= 1000) {
      waktuberakhir = millis();
      durasiinputpw--;
      displayDigit(durasiinputpw);
      
      if (durasiinputpw == 0) {
        Serial.println("");
        Serial.println("waktu habis ,,Ծ‸Ծ,,");
        resetsmartlock();
        return;
      }
    }

    if (Serial.available()) {
      String input = Serial.readStringUntil('\n');
      input.trim();

      if (input == password) {
        state = 2; 
        ServoR.write(180);
        ServoL.write(0);
        digitalWrite(red, LOW);
        digitalWrite(green, HIGH);
        waktuautolock = 9;
        displayDigit(waktuautolock);
        waktuberakhir = millis();
        Serial.println("password benar! pintu akan terkunci dalam 9 detik =^._.^=");

      } else {
        Serial.println("password salah ໒꒰ྀི ๑˙―˙๑ ꒱ྀིა coba lagi");
        resetsmartlock();
      }
    }
  } 
  
  else if (state == 2) {

    if (millis() - waktuberakhir >= 1000) {
      waktuberakhir = millis();
      waktuautolock--;
      displayDigit(waktuautolock);
      
      if (waktuautolock == 0) {
        resetsmartlock();
        return;
      }
    }
  }
}

void displayDigit(int digit) {
  if (digit < 1 || digit > 9) return;
  digitalWrite(segA, digits[digit][0]);
  digitalWrite(segB, digits[digit][1]);
  digitalWrite(segC, digits[digit][2]);
  digitalWrite(segD, digits[digit][3]);
  digitalWrite(segE, digits[digit][4]);
  digitalWrite(segF, digits[digit][5]);
  digitalWrite(segG, digits[digit][6]);
}