#include <LiquidCrystal_I2C.h>
LiquidCrystal_I2C lcd(0x27, 16, 2);

#include <Servo.h>

Servo servo1;
Servo servo2;

int valeur1; //valeur du potentiomètre1
int valeur2; //valeur du potentiomètre2
int administrator_code1 = 0; //code administrateur potentimomètre1 (définit au démarrage)
int administrator_code2 = 0; //code administrateur potentimomètre2 (définit au démarrage)

int bouton_changer_code = 3;
int bouton_validation = 4;

int potentiometre1 = A0;
int potentiometre2 = A1;

int actif_bouton_valid;

void setup() {
  Serial.begin(9600);
  pinMode(A0,INPUT);
  servo1.attach(5);
  
  servo2.attach(6);
  
  pinMode(bouton_changer_code, INPUT);
  digitalWrite(bouton_changer_code, LOW);

  pinMode(bouton_validation, INPUT);
  digitalWrite(bouton_validation, LOW);

  lcd.begin(16, 2);
  lcd.print("Entrer le code:");

  actif_bouton_valid = 0;
}

void loop() {
  valeur1 = analogRead(potentiometre1);
  valeur2 = analogRead(potentiometre2);
  lcd.setCursor(0, 1);
  lcd.print(valeur1);
  lcd.print("   ");
  lcd.setCursor(6, 1);
  lcd.print(valeur2);
  lcd.print("   ");



  if(digitalRead(bouton_changer_code) == HIGH){
    if(valeur1 != administrator_code1 or valeur2 != administrator_code2){
      lcd.clear();
      lcd.setCursor(0, 0);
      lcd.print("Code admin");
      lcd.setCursor(0, 1);
      lcd.print("incorrect");
      delay(1000);
      lcd.clear();
      lcd.setCursor(0, 0);
      lcd.print("Entrer le code:");
    }
    else{
     changer_code();
    }
  }

  if(digitalRead(bouton_validation) == HIGH && actif_bouton_valid == 1){
      administrator_code1 = valeur1;
      administrator_code2 = valeur2;
      lcd.clear();
      lcd.setCursor(0, 0);
      lcd.print("Code adm modifie");
      actif_bouton_valid = 0;
    }

  if(administrator_code1 == valeur1 && administrator_code2 == valeur2){
    servo1.write(90);
    servo2.write(90);
  }
  else{
    servo1.write(0);
    servo2.write(0);
  }
}

void changer_code(){
    lcd.clear();
    lcd.setCursor(0, 0);
    lcd.print("Entrer nouveau");
    lcd.setCursor(0, 1);
    lcd.print("code administrateur:");
    delay(1000);
    lcd.clear();
    lcd.print("Nouveau code:");
    lcd.setCursor(0, 1);
    lcd.print(valeur1);
    lcd.print(" ");
    lcd.setCursor(1, 6);
    lcd.print(valeur2);
    lcd.print(" ");
    actif_bouton_valid = 1;
    /*administrator_code1 = valeur1;
    administrator_code2 = valeur2;*/
    
  }