#include <LiquidCrystal_I2C.h>
#include <DallasTemperature.h>
#include <OneWire.h>
#include <Keypad.h>

String txt_vaz1 = "      ";
unsigned int vaz1 = 0;
uint8_t cont;

#define motor 2
#define botao 18

#define TRIG_PIN2 13
#define ECHO_PIN2 12
#define ledverde2 9
#define ledama2   10
#define ledverm2 11
#define TRIG_PIN1 15
#define ECHO_PIN1 14
#define ledverde1 3
#define ledama1   4
#define ledverm1  5
#define TRIG_PIN3 17
#define ECHO_PIN3 16
#define ledverde3 6
#define ledama3   7
#define ledverm3  8

LiquidCrystal_I2C lcd(0X27, 20, 4);

OneWire oneWire(24);
DallasTemperature sensor(&oneWire);

#define I2C_ADDR4    0x29
#define LCD_COLUMNS4 16
#define LCD_LINES4   2

LiquidCrystal_I2C lcd4(I2C_ADDR4, LCD_COLUMNS4, LCD_LINES4);

// IGOR
unsigned long time;
#define rows 4
#define cols 4

char keys [rows][cols] = 
{{ '1','2','3','A'},
  {'4','5','6','B'},
  {'7','8','9','C'},
  {'*','0','#','D'}};

  byte rowpin[rows] = { 52,50,48,46};
  byte colpin[cols] = {44,42,40,38};

  Keypad keypad = Keypad( makeKeymap(keys), rowpin, colpin, rows, cols);



// FUNÇÕES ____________________________

float led_Distancia(short TRIG_PIN, short ECHO_PIN, short led_Verde, short led_Amarelo, short led_Vermelho) {
  digitalWrite(TRIG_PIN, LOW);
  delayMicroseconds(2);
  digitalWrite(TRIG_PIN, HIGH);
  delayMicroseconds(2);
  digitalWrite(TRIG_PIN, LOW);

  int duration = pulseIn(ECHO_PIN, HIGH);
  float nivel = duration * 0.034 / 2;

  if(nivel >= 300){
    digitalWrite(led_Verde, HIGH); 
    digitalWrite(led_Amarelo, LOW);
    digitalWrite(led_Vermelho, LOW);
    
  } else if(nivel >= 50 && nivel <= 300){
    digitalWrite(led_Verde, LOW); 
    digitalWrite(led_Amarelo, HIGH);
    digitalWrite(led_Vermelho, LOW);
  } else {
    digitalWrite(led_Verde, LOW); 
    digitalWrite(led_Amarelo, LOW);
    digitalWrite(led_Vermelho, HIGH);
  }

  return nivel;
}

void Teclado() {
  for(cont=0;cont<4;  )
  {
    char key = keypad.getKey();
    if (key != NO_KEY) 
    {
      Serial.print(key);
      txt_vaz1[cont] = key;
      cont++;
      Serial.println(cont);
    }

  }
}
// FIM FUNÇÕES ____________________________



void setup() {
  time = millis();

  // Porta Serial
  Serial.begin(115200);

  // Definição dos Pinos
  pinMode(TRIG_PIN2, OUTPUT);
  pinMode(ECHO_PIN2, INPUT);
  pinMode(ledverde2, OUTPUT);
  pinMode(ledama2, OUTPUT);
  pinMode(ledverm2, OUTPUT);

  pinMode(TRIG_PIN1, OUTPUT);
  pinMode(ECHO_PIN1, INPUT);
  pinMode(ledverde1, OUTPUT);
  pinMode(ledama1, OUTPUT);
  pinMode(ledverm1, OUTPUT);

  pinMode(TRIG_PIN3, OUTPUT);
  pinMode(ECHO_PIN3, INPUT);
  pinMode(ledverde3, OUTPUT);
  pinMode(ledama3, OUTPUT);
  pinMode(ledverm3, OUTPUT);

  pinMode(botao, INPUT_PULLUP);
  pinMode(motor, OUTPUT);

  // Definindo LCD
  lcd4.init();
  lcd4.backlight();
  lcd4.begin(16, 2);
  lcd4.print("Enter Number:");
}

void loop() {
  
  vaz1 = txt_vaz1.toInt();
  Serial.println(vaz1);
  lcd4.setCursor(0, 1);
  lcd4.print(vaz1);
  sensor.requestTemperatures();

  Teclado();
  
  // vai dar ruim esse delay, arruma isso ai
  if(digitalRead(botao) == 0 )
  {
    digitalWrite(motor, HIGH);
    delay(10000);
    digitalWrite(motor, LOW);
  }

  int tempo = 3000; // TEMPO PARA ATUALIZAR EM (MS)
  if((millis() - time ) >= tempo){
    lcd.init();
    lcd.backlight();
    lcd.setCursor(0, 0);
    lcd.print("TANQUE 1:");
    lcd.setCursor(11, 0);
    lcd.print(led_Distancia(TRIG_PIN1, ECHO_PIN1, ledverde1, ledama1, ledverm1));
    lcd.setCursor(0, 1);
    lcd.print("TANQUE 2:");
    lcd.setCursor(11, 1);
    lcd.print(led_Distancia(TRIG_PIN2, ECHO_PIN2, ledverde2, ledama2, ledverm2));
    lcd.setCursor(0, 2);
    lcd.print("TANQUE 3:");
    lcd.setCursor(11, 2);
    lcd.print(led_Distancia(TRIG_PIN3, ECHO_PIN3, ledverde3, ledama3, ledverm3));
    lcd.setCursor(0, 3);
    lcd.print(F("Temp:"));
    lcd.setCursor(11, 3); 
    lcd.print(sensor.getTempCByIndex(0));
    time = millis();
  }
  

  /*
  https://wokwi.com/projects/347175788714394195
  https://wokwi.com/projects/357382046680658945
  https://docs.wokwi.com/pt-BR/parts/wokwi-lcd1602
  */ 
}