#include <WiFi.h>

const char WiFiSSID[] = "miguel_celular";
const char WiFiPSK[] = "claseiot";

WiFiServer server(80);

void setup(){
    Serial.begin(115200);
    pinMode(2, OUTPUT);
    delay(10);

    WiFi.begin(WiFiSSID, WiFiPSK);

    while (WiFi.status() != WL_CONNECTED) {
        delay(500);
        Serial.print(".");
    }

    Serial.println(WiFi.localIP());    
    server.begin();
}

void loop(){
 WiFiClient client = server.available();

  if (client) {                         
    Serial.println("nuevo cliente conectado");      
    String currentLine = "";                
    while (client.connected()) {            
      if (client.available()) {             
        char c = client.read();             
        Serial.write(c);                    
        if (c == '\n') {                    
          if (currentLine.length() == 0) {
            client.println("HTTP/1.1 200 OK");
            client.println("Content-type:text/html");
            client.println();

            client.print("Click <a href=\"/H\" >aca</a> para prender led en pin 2.<br>");
            client.print("Click <a href=\"/L\">aca</a> para apagar led en pin 2.<br>");

            client.println();
            break;
          } else {   
            currentLine = "";
          }
        } else if (c != '\r') { 
          currentLine += c;     
        }

        if (currentLine.endsWith("GET /H")) {
          digitalWrite(2, HIGH); 
        }
        if (currentLine.endsWith("GET /L")) {
          digitalWrite(2, LOW);
        }
      }
    }
    client.stop();
    Serial.println("cliente desconectado.");
  }
}