#include "DHT.h"
#include <WiFi.h>
#include <WiFiClientSecure.h>
#include <UniversalTelegramBot.h>
#include <ArduinoJson.h>

const char* ssid = "Wokwi-GUEST";
const char* password = "";

const char* BOTtoken = "8579483067:AAGq69mY6UpDtuejPvF4NBbx8oyuvMiLdh8";
const char* ChatID = "1908813421";

#define DHT_pin 14
#define DHT_type DHT22
#define Bz_pin 18
#define led_pin 15
const int interval = 2000;

WiFiClientSecure client;
UniversalTelegramBot bot(BOTtoken,client);

DHT dht(DHT_pin,DHT_type);

float h = 0.0;
float t = 0.0;
float h_t = 0.0;
String data = "";
byte c = 0;
byte p = 0;
unsigned long previousM = 0;
unsigned long currentM = 0;

void setup() {
  Serial.begin(9600);
  Serial.println("Hello There");
  pinMode(Bz_pin, OUTPUT);
  pinMode(led_pin, OUTPUT);
//----------------------------------------------------
  dht.begin();
//----------------------------------------------------
  WiFi.begin(ssid,password);
  client.setInsecure();
  while(WiFi.status() != WL_CONNECTED) delay(500);
  bot.sendMessage(ChatID,"Hi I work","");
}//------------------------------------------------------end setUp
void loop() {
  //--reseive data from arduino
  while(Serial.available()){
    data = Serial.readStringUntil('\n');
    data.trim();
    Serial.println(data);
    if(data.equals("ThereIsMotion")){
      cntrolOfVoise();
      data = "";
    }
    
  }
  //----------------------
  currentM = millis();
  if(currentM - previousM >= interval){
    handleWithDHT22();
    previousM = currentM;
  }
  //handle with message which received from telegram
    int numberOfMessage = bot.getUpdates(bot.last_message_received + 1);
    handleNewMessage(numberOfMessage);
  //--------------------------------------------end loop
}


void handleWithDHT22(){
    h = dht.readHumidity();
    t = dht.readTemperature();
        
    if(isnan(h) || isnan(t)){
      Serial.println("error");
    }
    else{
      //for dispaly info on arduino
    //  p++;
      if(p == 0){
      Serial.print("temp:");
      Serial.println(String(t));
      Serial.print("humidity:");
      Serial.print(String(h));
      Serial.println("$");
    //  p = 0;
      }
      //-------------------------------
      h_t = dht.computeHeatIndex(t,h,false);
      if( (h_t < 15.00 || h_t > 30.00) && c== 0 ){
        String s = "realTemp: " + String(h_t) +"C";
        bot.sendMessage(ChatID,s,"");
        c = 1;
      }
      else if((h_t > 15.00 && h_t < 30.00) && c==1){
        bot.sendMessage(ChatID,"the state is good","");
        c = 0;
      }else {}
    }
      
}


void handleNewMessage(int numberOfMessage){

      for(int i=0; i<numberOfMessage; i++){
        String ChatId = String(bot.messages[i].chat_id);
        String text = bot.messages[i].text;
       // Serial.println(text);
        if(text == "On"){
          cntrolOfVoise();
          bot.sendMessage(ChatID,"Ok","");
        }
        else if(text == "OnLed")
        {
          digitalWrite(led_pin, HIGH);
          bot.sendMessage(ChatID,"It IS On","");
        }
        else if(text == "OffLed")
        {
          digitalWrite(led_pin, LOW);
          bot.sendMessage(ChatID,"It IS Off","");
        }
        else if(text == "humidity"){
        bot.sendMessage(ChatID,"humidity: " + String(h),"");
        }
        else if(text =="temperature"){
          bot.sendMessage(ChatID,"Temperature: " + String(t),"");
        }
      }
}



void cntrolOfVoise(){

  for(int j=1; j<20; j++){
    for(int i=600; i<=1200; i+=20){
      tone(Bz_pin,i);
      delay(15);
    }
    for(int i=1200; i>=600; i-=20){
      tone(Bz_pin,i);
      delay(15);
    }
  }
  noTone(Bz_pin);
}