// Learn about the ESP32 WiFi simulation in
// https://docs.wokwi.com/guides/esp32-wifi

#include <WiFi.h>
#include <Wire.h>
#include <LiquidCrystal_I2C.h>
#include <smart_duty_cycling.h>

LiquidCrystal_I2C LCD = LiquidCrystal_I2C(0x27, 20, 4);

#define led_WiFi_KO 16               // Pin per il LED rosso del WiFi
#define led_WiFi_OK 4                // Pin per il LED verde del WiFi

#define NTP_SERVER     "pool.ntp.org"
#define UTC_OFFSET     0
#define UTC_OFFSET_DST 0

//------------------------------------------------------------------------------
//  PARAMETRI GENERALI
//------------------------------------------------------------------------------
const char* ssid     = "Wokwi-GUEST";  // SSID del WiFi
const char* password = "";             // Password WiFi
const int tryWiFi = 8;                 // Nr di tentativi di accesso al WiFi
const int delayConnWiFi = 1000;        // millisecondi di pausa per tentativi connessione WiFi


// Dichiarazione delle costanti
const int Rete1 = 36;              // Presenza Rete 1 - 220v
const int Rete2 = 39;              // Presenza Rete 2 - 220v


void spinner() {
  static int8_t counter = 0;
  const char* glyphs = "\xa1\xa5\xdb";
  LCD.setCursor(15, 1);
  LCD.print(glyphs[counter++]);
  if (counter == strlen(glyphs)) {
    counter = 0;
  }
}

void printLocalTime() {
  struct tm timeinfo;
  if (!getLocalTime(&timeinfo)) {
    LCD.setCursor(0, 1);
    LCD.println("NTP non connesso. Errore");
    return;
  }

  LCD.setCursor(0, 1);
  LCD.print(&timeinfo, "%d/%m/%Y");
  //LCD.println(&timeinfo, "%d/%m/%Y   %Z");

  LCD.setCursor(12, 1);
  LCD.print(&timeinfo, "%H:%M:%S");
}

int a=0;

void setup() {
  pinMode(led_WiFi_KO, OUTPUT);
  pinMode(led_WiFi_OK, OUTPUT);
  digitalWrite(led_WiFi_KO, HIGH);     // led rosso Wi-Fi accesso all'avvio
  digitalWrite(led_WiFi_OK, LOW);      // led verde Wi-Fi spento all'avvio

  pinMode(Rete1, INPUT_PULLUP); 
  pinMode(Rete2, INPUT_PULLUP);

  Serial.begin(115200);

  LCD.init();
  LCD.clear();
  LCD.backlight();
  
  // Avvia la connessione WiFi
  LCD.setCursor(0, 0);
  LCD.print("Connessione WiFi...");
   WiFi.begin(ssid, password);

  for(a=0; a<=tryWiFi; a++){
      LCD.setCursor(18, 0);
      LCD.print(a);
      if (WiFi.status() == WL_CONNECTED){
          LCD.setCursor(0, 0);
          LCD.print("WiFi OK:             ");
          LCD.setCursor(8, 0);
          LCD.print(WiFi.localIP());
          digitalWrite(led_WiFi_KO, LOW);
          digitalWrite(led_WiFi_OK, HIGH);
          break;
      }
      delay(delayConnWiFi);
    }

 if (WiFi.status() != WL_CONNECTED) {
         LCD.setCursor(0, 0);
         LCD.print("WiFi NON Connesso");
         digitalWrite(led_WiFi_KO, HIGH);
         digitalWrite(led_WiFi_OK, LOW);
     }
 else {


 }

  //LCD.setCursor(0, 1);  
  //LCD.print("Attesa orario rete");

  configTime(UTC_OFFSET, UTC_OFFSET_DST, NTP_SERVER);

  LCD.setCursor(0, 2);  
  LCD.print("Pompa 1:");
  LCD.setCursor(0, 3);  
  LCD.print("Pompa 2:");

}

void loop() {
  LCD.setCursor(0, 1);  
  printLocalTime(); 
  //delay(250);

  int statoRete1 = digitalRead(Rete1);
  LCD.setCursor(8, 2);  
  if (statoRete1 == HIGH) {
      LCD.print("220 PRESENTE");
  } else {
      LCD.print("ALIM.ASSENTE"); 
  }

  int statoRete2 = digitalRead(Rete2);
  LCD.setCursor(8, 3);  
  if (statoRete2 == HIGH) {
      LCD.print("220 PRESENTE");
  } else {
      LCD.print("ALIM.ASSENTE"); 
  }
}