#include <LiquidCrystal.h>
#include <SD.h>
#include "RTClib.h"
#include "WiFiEsp.h"

// Emulate Serial1 on pins 2/3 if not present
#ifndef HAVE_HWSERIAL1
#include "SoftwareSerial.h"
SoftwareSerial Serial1(3, 2); // RX, TX
#endif

#define sdCard_CS_PIN 10
//#define sdCard_DO_PIN 12
//#define sdCard_DI_PIN 10

File root;
LiquidCrystal lcd(4,9,8,7,6,5);
RTC_DS1307 rtc;
File raceFile;


String theDay = "theday";
char theTime[9];

char ssid[] = "Wokwi-GUEST";            // your network SSID (name)
char pass[] = "";        // your network password
int status = WL_IDLE_STATUS;     // the Wifi radio's status


void setup() {
  // put your setup code here, to run once:
Serial.begin(115200);

lcd.begin(16, 2); //columns and rows
// you can now interact with the LCD, e.g.:
lcd.print("Powered Up");
lcd.setCursor(0,2);
lcd.print("Getting Ready");

delay(2000);

//Serial.println("Starting Up!");
//Serial.println(sdCard_CS_PIN);
Serial.println("Initializing SD card... ");

if (!SD.begin(sdCard_CS_PIN)) {
    Serial.println("Card initialization failed!");
    lcd.clear();
    lcd.print("SD Card Failed");
    while (true);
  }

  Serial.println("initialization done.");

  // LCD Screen Feedback on SD Card
  lcd.clear();
  lcd.print("SD Card");
  lcd.setCursor(0,2);
  lcd.print("Initialized");


//check for clock
//delay(2000);

if (!rtc.begin()) {
    Serial.println("Couldn't find RTC");
    lcd.clear();
    lcd.print("Clock Failed");
    Serial.flush();
    abort();
    } else {
      DateTime now = rtc.now();
      theDay = String(now.year()) + "/" + now.month() + "/" + now.day();
      snprintf(theTime, 9, "%02d:%02d:%02d", now.hour(), now.minute(), now.second());
      Serial.print("Date: ");
      Serial.println(theDay);
      Serial.print("Time: ");
      Serial.println(theTime);

      delay(2000);
      lcd.clear();
      lcd.print(theDay);
      lcd.setCursor(0,2);
      lcd.print(theTime);

    }
// write to file


/*
if (SD.exists("stage1-start.txt")) {
    Serial.println("stage1-start.txt exists.");
  } else {
    Serial.println("stage1-start.txt doesn't exist.");
  }

  // open a new file and immediately close it:
  Serial.println("Creating stage1-start.txt...");
  raceFile = SD.open("stage1-start.txt", FILE_WRITE);
  raceFile.close();

  // Check to see if the file exists:
  if (SD.exists("stage1-start.txt")) {
    Serial.println("stage1-start.txt exists.");
  } else {
    Serial.println("stage1-start.txt doesn't exist.");
  }
*/

// initialize serial for ESP module
  Serial1.begin(11522);
  // initialize ESP module
  WiFi.init(&Serial1);

  // check for the presence of the shield
  if (WiFi.status() == WL_NO_SHIELD) {
    Serial.println("WiFi shield not present");
    // don't continue
    while (true);
  }

  // attempt to connect to WiFi network
  while ( status != WL_CONNECTED) {
    Serial.print("Attempting to connect to WPA SSID: ");
    Serial.println(ssid);
    // Connect to WPA/WPA2 network
    status = WiFi.begin(ssid, pass);
  }

  Serial.println("You're connected to the network");



} // end void setup

void loop() {
  // put your main code here, to run repeatedly:
  
      DateTime now = rtc.now();
      theDay = String(now.year()) + "/" + now.month() + "/" + now.day();
      snprintf(theTime, 9, "%02d:%02d:%02d", now.hour(), now.minute(), now.second());
      lcd.clear();
      lcd.print(theDay);
      lcd.setCursor(0,2);
      lcd.print(theTime);
      delay(1000);
    
}