Untitled

//while connected print this
Serial.println("Wifi connected");

//starting the server
server.begin();
Serial.println("Server started.");

//get the ip address and print it
Serial.print("This is your ip address: ");
Serial.print("http://");
Serial.print(WiFi.localIP());
Serial.println("/");

//wait for the data to be sent from client
Serial.println("New client connection");
while(!client.available())
{
  delay(1);
}

//Read the first line of the request
String request = client.readStringUntil('r');
Serial.println(request);
client.flush();

//check the index of the browser and act accordingly
if (request.indexOf("/Thermo=ON") != -1)
{
    digitalWrite(ledPin, HIGH);
    value = HIGH;
    sensor = analogRead(A0);
    temperature = (refvoltage * sensor * 100) / 1023; //converting degree to celcius

    //save the data to mysql, access the php file to write
    HTTPClient http;
    String url = "http://localhost/iotproject/add.php?temp="+String(temp);
    Serial.println(url);
    http.begin(url);

    //GET method
    int httpCode = http.GET();
    if(httpCode > 0)
    {
      Serial.printf("[HTTP] GET...code: %dn", httpCode);
      if(httpCode == HTTP_CODE_OK)
      {
          String payload = http.getString();
          Serial.println(payload);
      }
   }
   else
   {
        Serial.printf("[HTTP] GET... failed, error: %sn", http.errorToString(httpCode).c_str());
   }
      http.end();
      delay(3000);

if (request.indexOf("/Thermo=OFF") != -1)
{
  digitalWrite(ledPin, LOW);
  value = LOW;
}
  temp = temperature;

  //Return the response
  client.println("HTTP/1.1 200 OK");
  client.println("Content-Type: text/html");

  if (request.indexOf("/AlwaysOn") != -1)
  {
    digitalWrite(ledPin, HIGH);
    value = HIGH;
    sensor = analogRead(A0);
    temperature = (refvoltage * sensor * 100) / 1023; //converting degree to celcius
    //temp = temperature;
    client.println("Refresh: 5");
  }

  client.println("");
  client.println("<!DOCTYPE HTML>");
  client.println("<html>");
  client.println("<body style=background-color:skyblue> </body>");
  client.println("<style> h1 {text-align: center}</style>");
  client.println("<style> h3 {text-align: center}</style>");
  client.println("<style> b {text-align: center}</style>");
  client.println("<style> p {text-align: center}</style>");
  client.println("<head><style>div.relative{position:relative; left:200px; height:20px; width:350px; border:2px solid #73AD21;}</style></head>");
  client.println();

  client.println("<div class=relative>  <b> UNIVERSITY OF TURKU  </b> </div>");
  client.println("<div class=relative> Ashish Shrestha  </div>");
  client.println("<div class = relative>  Rituraj Nepal </div>");

  //client.println("<br>");
  client.println("<br><br><h1>IOT Final Project: THERMOMETER</h1><br><br>");
  //client.println("<h3>Probable LM35 analog reading: <h3>");
  //client.print(sensor); //analog reading of the sensor
  //client.print("<br>");

  client.print("<h3>Thermometer's current status: </h3>");
  if(request.indexOf("/AlwaysOn") != -1)
  {
    client.print("<h3>Always On<h3>");
    client.print("(Temperature updated every 5 seconds.)");
    client.println("<h3>Current Temperature: <h3>");
    client.print(temp);
    client.print("<b> deg C.</b>");

    //save the data to mysql, with http client
  HTTPClient http;
  String url = "http://localhost/iotproject/add.php?temp="+String(temp); //access the php file to write data
  Serial.println(url);
  http.begin(url);

  //using GET method to write to sql
  int httpCode = http.GET();
  if(httpCode > 0)
  {
      Serial.printf("[HTTP] GET...code: %dn", httpCode);
        if(httpCode == HTTP_CODE_OK)
        {
          String payload = http.getString();
          Serial.println(payload);
        }
  }
     else
     {
        Serial.printf("[HTTP] GET... failed, error: %sn", http.errorToString(httpCode).c_str());
     }
      http.end();
   //delay(3000);
}

 else if(value == HIGH)
 {
      client.print("<h3>On Once<h3>");
      //client.println("<br>");
      client.println("<h3>Current Temperature: <h3>");
      client.print(temp);
      client.print("<b> deg C.</b>");
      //delay(100);
  }
  else if(value == LOW)
  {
      client.print("<h3>Off<h3>");
     // client.println("<br>");
      client.println("<h3>Last measured temperature: <h3>"); //print the last value of temp
      client.print(temp);
      client.print("<b> deg C.</b>");
  }

  client.println("<br><br>");
  //create buttons
  client.println("<a href="/Thermo=ON""><button>Turn On Once </button></a>");
  client.println("<a href="/AlwaysOn""><button>Keep It On </button></a>");
  client.println("<a href="/Thermo=OFF""><button>Turn Off </button></a><br />");

  client.println("<h3>Check the Temperature records by following the below link: <h3>");
  client.println("<p>http://localhost/iotproject/show.php</p>");

  // if there are incoming bytes available from the server, read them and print them:
 if (client.available())
 {
   char c = client.read();
   client.print(c);
 }

  client.println("</html>");

  client.println();
  delay(1);
  Serial.println("Client disconnected!");
  Serial.println("");