#include <SPI.h>
#include <Wire.h>
#include <Adafruit_GFX.h>
#include <Adafruit_SSD1306.h>
//#include "WiFi.h"
#include <HTTPClient.h>
#include "time.h"
const char* ntpServer = "pool.ntp.org";
const long  gmtOffset_sec = 19800;
const int   daylightOffset_sec = 0;
//#include <Fonts/FreeSansBold24pt7b.h>

//HardwareSerial SerialPMS(1);
//PMS pms(SerialPMS);
//PMS::DATA data;

#define RXD2 26
#define TXD2 25

// ESP32 --> Pantower PMS7003
// 26    --> RX
// 25    --> TX
// GND   --> GND

#define SCREEN_WIDTH 128 // OLED display width, in pixels
#define SCREEN_HEIGHT 64 // OLED display height, in pixels

// Declaration for an SSD1306 display connected to I2C (SDA, SCL pins)
#define OLED_RESET     -1// Reset pin # (or -1 if sharing Arduino reset pin)
Adafruit_SSD1306 display(SCREEN_WIDTH, SCREEN_HEIGHT, &Wire, OLED_RESET);
//Adafruit_SSD1306 display(SCREEN_WIDTH, SCREEN_HEIGHT, &Wire, OLED_RESET);
 int psmAwake =0;

String GOOGLE_SCRIPT_ID = "AKfycbzwaOUCpEotwrSj7ttvZKMEVfFxYZpdHpvXAR_C-_EUmwAA4YJXIc-Sn_pH1P2qWAWIGg";    // change Gscript ID
int count = 0;


void setup()
{
  Serial.begin(115200);
  //SerialPMS.begin(9600, SERIAL_8N1, RXD2, TXD2);
 // pms.passiveMode();

 // display.setFont(&FreeSansBold24pt7b);
  display.begin(SSD1306_SWITCHCAPVCC, 0x3C);
  Serial.println();
  Serial.print("Connecting to wifi: ");
  Serial.flush();
   WiFi.begin("Wokwi-GUEST", "", 6);
  while (WiFi.status() != WL_CONNECTED) {
    delay(500);
    Serial.print(".");
  }
  // Init and get the time
  configTime(gmtOffset_sec, daylightOffset_sec, ntpServer);

}

void loop()
{
   if (WiFi.status() == WL_CONNECTED) 
   {
                  static bool flag = false;
                      struct tm timeinfo;
                      if (!getLocalTime(&timeinfo)) {
                        Serial.println("Failed to obtain time");
                        return;
                      }
                      char timeStringBuff[50]; //50 chars should be enough
                      strftime(timeStringBuff, sizeof(timeStringBuff), "%A, %B %d %Y %H:%M:%S", &timeinfo);
                      String asString(timeStringBuff);
                      asString.replace(" ", "-");
                      Serial.print("Time:");
                      Serial.println(asString);
                      String urlFinal = "https://script.google.com/macros/s/"+GOOGLE_SCRIPT_ID+"/exec?"+"date=" + asString + "&sensor=" + String(count);
                      Serial.print("POST data to spreadsheet:");
                      Serial.println(urlFinal);
                      HTTPClient http;
                      http.begin(urlFinal.c_str());
                      http.setFollowRedirects(HTTPC_STRICT_FOLLOW_REDIRECTS);
                      int httpCode = http.GET(); 
                      Serial.print("HTTP Status Code: ");
                      Serial.println(httpCode);
                      //---------------------------------------------------------------------
                      //getting response from google sheet
                      String payload;
                      if (httpCode > 0) {
                          payload = http.getString();
                          Serial.println("Payload: "+payload);    
                      }
                      //---------------------------------------------------------------------
                      http.end();
                    }
                    count++;
                    delay(1000);


   }