/*#include <DHT.h>
#include <WiFi.h>
#include <WiFiClientSecure.h>
#include <UniversalTelegramBot.h>
#include <ArduinoJson.h>
const char* ssid = "Wokwi-GUEST";
const char* password = "";
// Initialize Telegram BOT
#define botToken "5711693392:AAEUASm_bSmfnqUdoef3hN8ZjUnp4dWHV6A"  // your Bot Token (Get from Botfather)

// Use @myidbot to find out the chat ID of an individual or a group
// Also note that you need to click "start" on a bot before it can
// message you
#define chat_id "542689770"

/*******************************************************************
    Control an LED strip using Inline Keyboard on Telegram
    By Brian Lough
    YouTube: https://www.youtube.com/brianlough
    Tindie: https://www.tindie.com/stores/brianlough/
    Twitter: https://twitter.com/witnessmenow
 *******************************************************************/
#include <Wire.h>
#include <Adafruit_GFX.h> 
#include <Adafruit_SSD1306.h> 
#define SCREEN_WIDTH 128 
#define SCREEN_HEIGHT 64 
Adafruit_SSD1306 display(SCREEN_WIDTH, SCREEN_HEIGHT, &Wire, -1);
//
#include <WiFi.h>
#include <WiFiClientSecure.h>
#include <UniversalTelegramBot.h>
// Library for interacting with the Telegram API
// Search for "Telegegram" in the Library manager and install
// The universal Telegram library
// https://github.com/witnessmenow/Universal-Arduino-Telegram-Bot

#include <ArduinoJson.h>
// Library used for parsing Json from the API responses
// NOTE: There is a breaking change in the 6.x.x version,
// install the 5.x.x version instead
// Search for "Arduino Json" in the Arduino Library manager
// https://github.com/bblanchon/ArduinoJson
#include<DHTesp.h>
#define DHTPIN 12 
DHTesp dht;
#define DHTTYPE DHT11   // DHT 11
float temperature;
float limit;
float humidity;
const unsigned long BOT_MTBS = 1000; // mean time between scan messages
unsigned long bot_lasttime; // last time messages' scan has been done
unsigned long temptime;

char ssid[] = "Wokwi-GUEST";         // your network SSID (name)
char password[] = ""; // your network password

#define TELEGRAM_BOT_TOKEN "5711693392:AAEUASm_bSmfnqUdoef3hN8ZjUnp4dWHV6A"  // your Bot Token (Get from Botfather)

//#define chat_id "542689770"
//------- ---------------------- ------

// This is the Wifi client that supports HTTPS
WiFiClientSecure client;
UniversalTelegramBot bot(TELEGRAM_BOT_TOKEN, client);

#define LED_PIN 2 // Same as D4 for Wemos
unsigned long TimeButton = 0; 
unsigned long TimeRelay = 0;
unsigned long TimeDht = 0;
unsigned long TimeOled = 0;
unsigned long TimeBatt = 0;
int State = 0;
float batVolt;
  int batPer;
 int barrs=0;
long rssi = WiFi.RSSI();
int delayBetweenChecks = 1000;
unsigned long lastTimeChecked;   //last time messages' scan has been done

unsigned long lightTimerExpires;
boolean lightTimerActive = false;

void drawUpdateOLED(){//float temp, float hum, int batPer, float lim) {
//delay(100);
  display.clearDisplay();
//  wifilevel();
  if (rssi > -55) { 
    barrs = 5;
  } else if (rssi < -55 & rssi > -65) {
    barrs = 4;
  } else if (rssi < -65 & rssi > -70) {
    barrs = 3;
  } else if (rssi < -70 & rssi > -78) {
    barrs = 2;
  } else if (rssi < -78 & rssi > -82) {
    barrs = 1;
  } else {
    barrs = 0;
  }
  ///Serial.print("bars ");
  //Serial.println(barrs);
 // Serial.print("rssi ");
 // Serial.println(rssi);
   for (int b=0; b <= barrs; b++) {
   
 display.drawLine(115+b*2, 7, 115+b*2,7-b,WHITE);}
    display.setTextSize(1);
  display.setCursor((limit-10)*5,51);
  display.print(limit,1);
  display.drawLine(13, 63, 105,63,WHITE);
   display.setTextSize(3);
  display.setCursor((limit-10)*5,44) ;
  display.println(".");
   display.setTextSize(1);
   display.setCursor(20, 1);
  display.print("off");
  display.setCursor(60, 1);
  display.print("%");
   display.setCursor(70, 1);
  display.print(batPer,1);
  display.drawLine(1, 9, 127,9,WHITE);
  display.setTextSize(2);
  display.setTextColor(WHITE);
  display.setCursor(5, 12);
  display.println("Temp:");
  display.setCursor(65, 12);
  display.print(temperature,1);

  display.setCursor(5, 28);
  display.println("Hum.:");
  display.setCursor(65, 28);
  display.print(humidity,1);
 
   display.display();   
}

void IRAM_ATTR ButtonA() {
  if (millis() - TimeButton > 200) {
    if (State == 0) limit = limit + 1;
    if (limit > 30)limit = 30;
    TimeButton = millis();
  }
//  Serial.println(limit);
}
void IRAM_ATTR ButtonB() {
  if (millis() - TimeButton > 200) {
  if (State == 0) limit = limit - 1;
  if (limit < 10)limit = 10;
    TimeButton = millis();
  }
  Serial.println(limit);
}
void setup() {
  Serial.begin(115200);
  pinMode(35, INPUT_PULLUP);
attachInterrupt(35, ButtonA, FALLING);
   pinMode(34, INPUT_PULLUP);
	attachInterrupt(34, ButtonB, FALLING);
    if(!display.begin(SSD1306_SWITCHCAPVCC, 0x3C)) { // Address 0x3D for 128x64
    Serial.println(F("SSD1306 allocation failed"));
    for(;;);}
dht.setup(DHTPIN, DHTesp::DHT11); 
 WiFi.mode(WIFI_STA);
  WiFi.disconnect();
  delay(100);

  pinMode(2, OUTPUT);
  digitalWrite(2, LOW);

  // attempt to connect to Wifi network:
  Serial.print("Connecting Wifi: ");
  Serial.println(ssid);
  WiFi.begin(ssid, password);

  while (WiFi.status() != WL_CONNECTED) {
    Serial.print(".");
    delay(500);
  }
  Serial.println("");
  Serial.println("WiFi connected");
  Serial.print("IP address: ");
  Serial.println(WiFi.localIP());
  client.setInsecure();
  bot.longPoll = 60;
}

void handleNewMessages(int numNewMessages) {

  for (int i = 0; i < numNewMessages; i++) {

    // If the type is a "callback_query", a inline keyboard button was pressed
    if (bot.messages[i].type ==  F("callback_query")) {
      String text = bot.messages[i].text;
      Serial.print("Call back button pressed with text: ");
      Serial.println(text);

      if (text == F("18")) {
        limit=18;
      } else if (text == F("19")) {
        limit=19;
      } else if (text == F("20")) {
        limit=20;
      } else if (text == F("21")) {
        limit=21;
      } else if (text == F("22")) {
        limit=22;
      } else if (text == F("23")) {
        limit=23;
    } 
    } else {
      String chat_id = String(bot.messages[i].chat_id);
      String text = bot.messages[i].text;
Serial.println(chat_id) ;
      if (text == F("/options")) {
     String temp = "Temperature: " + String(temperature) + " ºC \n"+ "Humidity: "+String(humidity) + " % \n"+"Limit :"+String(limit) +" ºC \n";
          String keyboardJson = F("[[{ \"text\" : \"18\", \"callback_data\" : \"18\" }, { \"text\" : \"19\", \"callback_data\" : \"19\" }, { \"text\" : \"20\", \"callback_data\" : \"20\" }, { \"text\" : \"21\", \"callback_data\" : \"21\" }, { \"text\" : \"22\", \"callback_data\" : \"22\" }, { \"text\" : \"23\", \"callback_data\" : \"23\" }]]");
        bot.sendMessageWithInlineKeyboard(chat_id, temp, "Markdown", keyboardJson);
      }
      if (text == F("/start")) {

        bot.sendMessage(chat_id, "/options : returns the inline keyboard\n", "Markdown");
      }
    }
  }
}

void loop() {
    TempAndHumidity data;
   if (millis() - TimeDht > 1000) {
    data = dht.getTempAndHumidity();
    temperature = data.temperature;
    humidity = data.humidity;
  //  Serial.println(temperature);

  }
  if (millis() - TimeRelay > 1000) 
  {
  if(temperature>limit)
  digitalWrite(2, LOW);
  else {
  digitalWrite(2, HIGH);
  }
  }
    if ((millis() - TimeOled) >= 1000)
  {
    drawUpdateOLED();//temp, hum, batPer, lim);
     
    TimeOled = millis();
  }
    if ((millis() - TimeBatt) >= 500) {
    float Calbr=0.4;
  //sensorVal=analogRead(A0);
 // batVolt = (sensorVal * (3.3 / 1023) * 2 + Calbr)*10; //multiply by two as voltage divider network is 100K & 100K Resistor
  batPer = 67;//map(batVolt, 28, 42, 0, 100); //2.8V as Battery Cut off Voltage & 4.2V as Maximum Voltage
//  if (batPer >= 100) {batPer = 100;}
//  if (batPer <= 0) {batPer = 0;}
//Serial.println(batPer);
        TimeBatt = millis();
  }
  if (millis() > lastTimeChecked + delayBetweenChecks)  {

    // getUpdates returns 1 if there is a new message from Telegram
    int numNewMessages = bot.getUpdates(bot.last_message_received + 1);

    if (numNewMessages) {
      Serial.println("got response");
      handleNewMessages(numNewMessages);
    }

    lastTimeChecked = millis();

    if (lightTimerActive && millis() > lightTimerExpires) {
      lightTimerActive = false;
      digitalWrite(LED_PIN, LOW);
    }
  }
}