#include <ESP8266WiFi.h>
//#include <WiFiClient.h>
#include <ESP8266WebServer.h>
#include <LiquidCrystal.h>
//#include <WiFi.h>

#define LED_BUILTIN 14
ESP8266WebServer server(80);

//const char ssid[] = "internal.IOT";
//const char pass[] = "IoTlab32768";
const char ssid[] = "AndroidAP";
const char pass[] = "txl5734";
WiFiClient client;
const char* host = "www.example.com";

const int rs = 12, en = 13, d4 = 4, d5 = 0, d6 = 2, d7 = 14;
LiquidCrystal lcd(rs, en, d4, d5, d6, d7);

boolean myBoolean;
void handleRoot() {
    server.send(200, "text/html", "<h1>You are connected</h1><a href='/0'>TurnOff</a><a href='/1'>TurnOn</a>");
}


void changeOFF()
{
  myBoolean = false;
  server.send(200, "text/html", "<h1>You are connected</h1><a href='/0'>TurnOff</a><a href='/1'>TurnOn</a>");

}
void changeON()
{
  myBoolean = true;
  server.send(200, "text/html", "<h1>You are connected</h1><a href='/0'>TurnOff</a><a href='/1'>TurnOn</a>");
}

void setupWIFI(){

  int status = WL_IDLE_STATUS;
  WiFi.begin(ssid, pass);
  if ( status != WL_CONNECTED) {
    Serial.println("Couldn't get a wifi connection");
    while(true);
  }
  // if you are connected, print out info about the connection:
  else {
    Serial.println("Connected to network");
  }
}

void wifiConnection(){
  if (client.connect(host, 80)) {
    Serial.println("connected to server");
    // Make a HTTP request:
    client.println("GET /search?q=arduino HTTP/1.1");
    client.println("Host: www.google.com");
    client.println("Connection: close");
    client.println();
  }
}

void wifiLoop(){
  while (client.available()) {
    char c = client.read();
    Serial.write(c);
  }

  // if the server's disconnected, stop the client:
  if (!client.connected()) {
    Serial.println();
    Serial.println("disconnecting from server.");
    client.stop();

    // do nothing forevermore:
    while (true);
  }
}

void setupWifiAP(){

  WiFi.mode(WIFI_STA);
  WiFi.disconnect();

  int n = WiFi.scanNetworks();

  for (int i = 0; i < n; i++)
  {
  Serial.println(WiFi.SSID(i));
  }

  boolean result = WiFi.softAP("xd", "12345678");
  if(result == true)
  {
    Serial.println("Ready");
  }
  else
  {
    Serial.println("Failed!");
  }
  Serial.println(WiFi.softAPIP());
  server.on("/", handleRoot);
  server.on("/0",changeOFF);
  server.on("/1",changeON);
  server.begin();
  Serial.println("HTTP server started");
}

void setup() {
  // put your setup code here, to run once:
  pinMode(14, OUTPUT);
  lcd.begin(16, 2);
  myBoolean = true;
  Serial.begin(9600);

  setupWIFI();
  wifiConnection();

  //setupWifiAP();
}

void loop() {

  Serial.printf("Stations connected = %d\n", WiFi.softAPgetStationNum());
  Serial.printf("%d\n", myBoolean);
  if(myBoolean)
    digitalWrite(14, HIGH);
  else
    digitalWrite(14, LOW);

  lcd.setCursor(0,0);
  lcd.print("Connected " + String(WiFi.softAPgetStationNum()));

  wifiLoop();
  //lcd.setCursor(1,0);
  //lcd.print("Connected "+ String(WiFi.softAPgetStationNum()));
  server.handleClient();


  delay(500);

}