#include <WiFi.h>
#include <UniversalTelegramBot.h>
#include <WiFiClientSecure.h>
//#include <Fetch.h>


int    HTTP_PORT   = 443;
String HTTP_METHOD = "GET"; // or "POST"
char   HOST_NAME[] = "api.telegram.org"; // hostname of web server:
String PATH_NAME   = "";

const char*  server = "www.howsmyssl.com";


#define BOT_TOKEN "5513460863:AAHHUMV0NsNt2dEXf-vRl94i7thf3b0WQvs"
#define Chat_ID "222547932"


//const unsigned long BOT_MTBS = 1000; // mean time between scan messages


//X509List cert(TELEGRAM_CERTIFICATE_ROOT);
//WiFiClientSecure secured_client;
//UniversalTelegramBot bot(BOT_TOKEN, secured_client);

//unsigned long bot_lasttime; // last time messages' scan has been done
WiFiClientSecure client;



int AC_detect_pin= 12;
int val_previous=0;
void setup() {
  // put your setup code here, to run once:
  pinMode(AC_detect_pin, INPUT);
  pinMode(LED_BUILTIN, OUTPUT);
  Serial.begin(9600);
  Serial.print("Connecting to WiFi");
  WiFi.mode(WIFI_STA);
  WiFi.begin("Wokwi-GUEST", "", 6);
  //secured_client.setTrustAnchors(&cert); // Add root certificate for api.telegram.org
  while (WiFi.status() != WL_CONNECTED) {
    Serial.print(WiFi.status());
    delay(100);
    Serial.print(".");
    }
  Serial.println(" Connected!");
  Serial.print("\nWiFi connected. IP address: ");
  Serial.println(WiFi.localIP());
  Serial.println("\nStarting connection to server...");
  client.setInsecure();//skip verification
  if(client.connect(HOST_NAME, HTTP_PORT)) {
    Serial.println("Connected to server");
    client.println("GET https://api.telegram.org/bot5513460863:AAHHUMV0NsNt2dEXf-vRl94i7thf3b0WQvs/sendMessage?chat_id=222547932&text=test_message");
    client.println("Host: api.telegram.org");
    client.println("Connection: close");
    client.flush();
  } else {
    Serial.println("connection failed");
  }

}

void loop() {
  // put your main code here, to run repeatedly:
    if (WiFi.status() != WL_CONNECTED){
      Serial.print("riconnetto");
      WiFi.disconnect();
      WiFi.begin("Wokwi-GUEST", "", 6);
    }
    int i=0;
    while (WiFi.status() != WL_CONNECTED) {
    Serial.print(WiFi.status());
    delay(100);
    Serial.print(".");
    i++;
    if(i>20) {break;
    ESP.restart();}
    }
  int val= digitalRead(AC_detect_pin);
  digitalWrite(LED_BUILTIN, val);
//  Serial.println(val);
  if(val!=val_previous){
    val_previous=val;
    client.setInsecure();
    client.flush();
    client.println("GET https://api.telegram.org/bot5513460863:AAHHUMV0NsNt2dEXf-vRl94i7thf3b0WQvs/sendMessage?chat_id=222547932&text=Value_changed");
    if(client.available()){
      client.println("GET https://api.telegram.org/bot5513460863:AAHHUMV0NsNt2dEXf-vRl94i7thf3b0WQvs/sendMessage?chat_id=222547932&text=Value_changed");
    } else if(client.connect(HOST_NAME, HTTP_PORT)) {
      Serial.println("Connected to server");
      client.println("GET https://api.telegram.org/bot5513460863:AAHHUMV0NsNt2dEXf-vRl94i7thf3b0WQvs/sendMessage?chat_id=222547932&text=Value_changed");
    } else {
      Serial.println("connection failed");
  }

    //fetch("https://api.telegram.org/bot5513460863:AAHHUMV0NsNt2dEXf-vRl94i7thf3b0WQvs/sendMessage?chat_id=222547932&text=Test%20Message",options);
    // bool success=bot.sendMessage(Chat_ID,"current status", "");
    // Serial.println(success);
  }

 
}