#include <WiFi.h>
#include <WiFiClient.h>
#include <WiFiAP.h>
#include <WebServer.h>
#include <ESPmDNS.h>
#include <HTTPUpdateServer.h>

#define TIME_SORTIDA 8000  //ms
#define TIME_ESPERA  40000 //ms

// Set these to your desired credentials.
const char *ssid = "Som_pols";
const char *password = "saladrigues";

const char* host = "esp32-webupdate";

WebServer httpServer(80);
HTTPUpdateServer httpUpdater;

#define R1  13
#define R2  27
#define SENSOR  A0

// the setup function runs once when you press reset or power the board
void setup() {
  // initialize digital pin LED_BUILTIN as an output.
  Serial.begin(115200);
  pinMode(R1, OUTPUT);
  pinMode(R2, OUTPUT);
  pinMode(SENSOR, INPUT_PULLUP);
  digitalWrite(R1, LOW);
  digitalWrite(R2, LOW);
  Serial.println("Configuring access point...");

  // You can remove the password parameter if you want the AP to be open.
  WiFi.softAP(ssid, password);
  IPAddress myIP = WiFi.softAPIP();
  Serial.print("AP IP address: ");
  Serial.println(myIP);
  httpUpdater.setup(&httpServer);
  httpServer.begin();
  MDNS.addService("http", "tcp", 80);
  Serial.printf("HTTPUpdateServer ready! Open http://%s.local/update in your browser\n", host);
}

unsigned long time_stop = millis();
boolean sensor_active = false;

void loop() {
   httpServer.handleClient();
   if ((digitalRead(SENSOR))&&(!sensor_active)) 
    {
      sensor_active = true;
      Serial.println("Entrada activada");
    }
   else if ((sensor_active)&&((millis()-time_stop)<TIME_SORTIDA)) 
    {
      digitalWrite(R1, HIGH);
      digitalWrite(R2, HIGH);
      Serial.println("Salida activada");
    }
   else if ((sensor_active)&&((millis()-time_stop)<(TIME_ESPERA + TIME_SORTIDA))) 
    {
      digitalWrite(R1, LOW);
      Serial.println("Salida desactivada");
    }
   else 
    {
      digitalWrite(R2, LOW);
      time_stop = millis();
      sensor_active = false;
    }  
    
//   if ((millis()-time_stop)<60000) digitalWrite(R1, LOW);
//   else if ((millis()-time_stop)<(60000 + 3000)) digitalWrite(R1, HIGH);
//   else time_stop = millis();
   
//   digitalWrite(R1, LOW);                      // wait for a second
//   for(int i=0; i<60; i++) delay(1000);    
//   digitalWrite(R1, HIGH);   // turn the LED on (HIGH is the voltage level)
//   delay(3000); // wait for a second
}