#include <WiFi.h>
#include <HTTPClient.h>
#include <LiquidCrystal_I2C.h>
#include <Keypad.h>

const uint8_t ROWS = 4;
const uint8_t COLS = 4;
char keys[ROWS][COLS] = {
  { '1', '2', '3', 'A' },
  { '4', '5', '6', 'B' },
  { '7', '8', '9', 'C' },
  { '*', '0', '#', 'D' }
};
uint8_t colPins[COLS] = { 15, 27, 2, 17 };
uint8_t rowPins[ROWS] = { 4, 5, 16, 18 };

LiquidCrystal_I2C lcd(0x27, 20, 4);

Keypad keypad = Keypad(makeKeymap(keys), rowPins, colPins, ROWS, COLS);

//-------------------
#define TRIG 12
#define ECHO 14
//-------------------
int posBox = 0;
int distancia = 0;
long duration;
int distance;
bool sel = 0;
int Pag = 0;
int Pag_s = 1;
int menu = 0;
int menu_s1 = 1;
int menu_Limite = 30;
//-------------------
//-------------------
String  tex1 = "teste 1 ";
String  tex2 = "teste 2 ";
String  tex3 = "teste 3 ";
String  tex4 = "teste 4 ";
String  tex5 = "teste 5 ";
String  tex6 = "teste 6 ";
String  tex7 = "teste 7 ";
String  tex8 = "teste 8 ";
String  tex9 = "teste 9 ";
String tex10 = "teste 10";
String tex11 = "teste 11";
String tex12 = "teste 12";
String tex13 = "teste 13";
String tex14 = "teste 14";
String tex15 = "teste 15";
String tex16 = "teste 16";
String tex17 = "teste 17";
String tex18 = "teste 18";
String tex19 = "teste 19";
String tex20 = "teste 20";
String tex21 = "teste 21";
String tex22 = "teste 22";
String tex23 = "teste 23";
String tex24 = "teste 24";
String tex25 = "teste 25";
String tex26 = "teste 26";
String tex27 = "teste 27";
String tex28 = "teste 28";
String tex29 = "teste 29";
String tex30 = "teste 30";

void setup(){
  pinMode(TRIG, OUTPUT);
  pinMode(ECHO, INPUT);   
  Serial.begin(115200);
  lcd.begin(20, 4);
  lcd.init();
  lcd.clear();
  lcd.backlight();
  lcd.cursor();
  logoEmpresa();

}

void loop(){
  switch(menu){
    case  0: Pag = 0; break;
    case  1: Pag = 0; break;
    case  2: Pag = 0; break;
    case  3: Pag = 1; break;
    case  4: Pag = 1; break;
    case  5: Pag = 1; break;
    case  6: Pag = 2; break;
    case  7: Pag = 2; break;
    case  8: Pag = 2; break;
    case  9: Pag = 3; break;
    case 10: Pag = 3; break;
    case 11: Pag = 3; break;
    case 12: Pag = 4; break;
    case 13: Pag = 4; break;
    case 14: Pag = 4; break;
    case 15: Pag = 5; break;
    case 16: Pag = 5; break;
    case 17: Pag = 5; break;
    case 18: Pag = 6; break;
    case 19: Pag = 6; break;
    case 20: Pag = 6; break;
    case 21: Pag = 7; break;
    case 22: Pag = 7; break;
    case 23: Pag = 7; break;
    case 24: Pag = 8; break;
    case 25: Pag = 8; break;
    case 26: Pag = 8; break;
    case 27: Pag = 9; break;
    case 28: Pag = 9; break;
    case 29: Pag = 9; break;
    case 30: Pag =10; break;

  }
  //posBox = numberBox(posBox, 0, 1, 5);
  sensor();
  if(menu != menu_s1){
    menu_s1 = menu;
    textBoxSeletion(tex1 ,0,0, 0,0);
    textBoxSeletion(tex2 ,0,1, 1,0);
    textBoxSeletion(tex3 ,0,2, 2,0);
    textBoxSeletion(tex4 ,0,0, 3,1);
    textBoxSeletion(tex5 ,0,1, 4,1);
    textBoxSeletion(tex6 ,0,2, 5,1);
    textBoxSeletion(tex7 ,0,0, 6,2);
    textBoxSeletion(tex8 ,0,1, 7,2);
    textBoxSeletion(tex9 ,0,2, 8,2);
    textBoxSeletion(tex10,0,0, 9,3);
    textBoxSeletion(tex11,0,1,10,3);
    textBoxSeletion(tex12,0,2,11,3);
    textBoxSeletion(tex13,0,0,12,4);
    textBoxSeletion(tex14,0,1,13,4);
    textBoxSeletion(tex15,0,2,14,4);
    textBoxSeletion(tex16,0,0,15,5);
    textBoxSeletion(tex17,0,1,16,5);
    textBoxSeletion(tex18,0,2,17,5);
    textBoxSeletion(tex19,0,0,18,6);
    textBoxSeletion(tex20,0,1,19,6);
    textBoxSeletion(tex21,0,2,20,6);
    textBoxSeletion(tex22,0,0,21,7);
    textBoxSeletion(tex23,0,1,22,7);
    textBoxSeletion(tex24,0,2,23,7);
    textBoxSeletion(tex25,0,0,24,8);
    textBoxSeletion(tex26,0,1,25,8);
    textBoxSeletion(tex27,0,2,26,8);
    textBoxSeletion(tex27,0,0,27,9);
    textBoxSeletion(tex28,0,1,28,9);
    textBoxSeletion(tex29,0,2,29,9);
    textBoxSeletion(tex30,0,0,30,10);
  }
  menu++;
  delay(1000);
  
  if(menu > menu_Limite)menu = 0;
  if(menu < 0)menu = menu_Limite;
}
void sensor(){
  digitalWrite(TRIG, HIGH);
  delayMicroseconds(10);
  digitalWrite(TRIG, LOW);
  duration = pulseIn(ECHO, HIGH);
  distance = duration * 0.017;

  if(distancia != distance){
    distancia = distance;
  }
}
  
long numberBox(long valorInicial, int x, int y, int tamMax) {
  char confirma ='A';
  char cancela ='B';
  char apaga = 'C';
  String input = String(valorInicial);
  if (input.length() > tamMax) input = input.substring(0, tamMax);
  
  bool editando = true;
  lcd.cursor(); // Ativa o cursor

  // Desenho inicial
  lcd.setCursor(x, y);
  lcd.print(input);

  while (editando) {
    // Lógica para posicionar o cursor EM CIMA do último dígito
    if (input.length() > 0) {
      lcd.setCursor(x + input.length() - 1, y);
    } else {
      lcd.setCursor(x, y);
    }
    lcd.cursor(); // Ativa o cursor
    char key = keypad.getKey();
    if (key) {
      if (key >= '0' && key <= '9') {
        if (input.length() < tamMax) {
          input += key;
          lcd.setCursor(x, y);
          lcd.noCursor();
          lcd.print(input);
        }
      } 
      else if (key == apaga) {
        if (input.length() > 0) {
          // Limpa o caractere visualmente antes de remover da String
          lcd.setCursor(x + input.length() - 1, y);
          lcd.noCursor();
          lcd.print(" "); 
          input.remove(input.length() - 1);
          
          // Reimprime a String atualizada para garantir alinhamento
          lcd.setCursor(x, y);
          lcd.noCursor();
          lcd.print(input);
        }
      } 
      else if (key == confirma) {
        editando = false;
      } 
      else if (key == cancela) {
        lcd.noCursor();
        lcd.setCursor(x, y);
        lcd.print(valorInicial);
        return valorInicial;
      }
    }
    delay(30); 
  }
  
  lcd.noCursor(); // Desliga o cursor ao sair
  return input.length() > 0 ? input.toInt() : 0;
}
void logoEmpresa(){
  int i = 0; 
  byte Bar_Ini[8] = {
    B01111,
    B10000,
    B10111,
    B10111,
    B10111,
    B10111,
    B10000,
    B01111
  };
  byte Bar_Mid_Clear[8] = {
    B11111,
    B00000,
    B00000,
    B00000,
    B00000,
    B00000,
    B00000,
    B11111
  };
  byte Bar_Mid_Full[8] = {
    B11111,
    B00000,
    B11111,
    B11111,
    B11111,
    B11111,
    B00000,
    B11111
  };
  byte Bar_End_Clear[8] = {
    B11110,
    B00001,
    B00001,
    B00001,
    B00001,
    B00001,
    B00001,
    B11110
  };
  byte Bar_End_Full[8] = {
    B11110,
    B00001,
    B11101,
    B11101,
    B11101,
    B11101,
    B00001,
    B11110
  };


  //declara caracters especiais
  lcd.createChar(1, Bar_Ini); 
  lcd.createChar(2, Bar_Mid_Clear); 
  lcd.createChar(3, Bar_Mid_Full); 
  lcd.createChar(4, Bar_End_Clear); 
  lcd.createChar(5, Bar_End_Full); 

  lcd.noCursor();
  EscreveTexto("Familia",6,0,1);
  EscreveTexto("Luz",8,1,1);
  lcd.setCursor(0,3);
  lcd.write(1);
  while(i<18){
    i++;
    lcd.write(2);
  }
  lcd.setCursor(19,3);
  lcd.write(4);


  lcd.display();
  delay(100);
  i = 0;
  lcd.setCursor(1,3);
  while(i<18){
    i++;
    lcd.write(3);
    delay(50);
  }
  lcd.setCursor(19,3);
  lcd.write(5);




  delay(2000);
  lcd.clear();
}
void EscreveTexto(String Tex, int nc, int nl, int serial){
  lcd.setCursor(nc,nl);
  lcd.print(Tex);
  switch(serial){
    case 1: Serial.println(Tex); break;
    case 2: Serial.print  (Tex); break;
    default:break;
  }
}
void WriteNumberInt(int n,int c,int r,int serial){
  lcd.setCursor(c,r);
  if(n < 10)lcd.print("  "+String(n));
  else if(n < 100)lcd.print(" "+String(n));
  else lcd.print(String(n));
  switch(serial){
    case 1: Serial.println(n); break;
    case 2: Serial.print  (n); break;
    default:break;
  }
}
void textBoxSeletion(String text,int Cl,int Ln,int Seletion,int Page){
  if(Page == Pag && !sel){
    if(menu == Seletion)EscreveTexto(">"+text, Cl,Ln,1);
    else EscreveTexto(" "+text, Cl,Ln,1);
    
  }
}