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#include <ESP8266WiFi.h>
#include <WiFiClient.h>
#include <ESP8266WebServer.h>
#include <ESP8266mDNS.h>

const char* ssid = "Asif Wifi";
const char* password = "asif0172";

ESP8266WebServer server(80);

const int output1 = D1;
const int output2 = D2;
const int output3 = D3;
const int output4 = D4;

boolean device1 = false;
boolean device2 = false;
boolean device3 = false;
boolean device4 = false;

void handleRoot() {
  //digitalWrite(led, 1);
  //server.send(200, "text/plain", "hello from esp8266!");
  //digitalWrite(led, 0);

  String cmd;
      cmd += "<!DOCTYPE HTML>rn";
      cmd += "<html>rn";
      //cmd += "<header><title>ESP8266 Webserver</title><h1>"ESP8266 Web Server Control"</h1></header>";
      cmd += "<head>";
      cmd += "<meta http-equiv='refresh' content='3'/>";
      cmd += "</head>";

      if(device1){
        cmd +=("<br/>Device1  : ON");
      }
      else{
        cmd +=("<br/>Device1  : OFF");
      }

      if(device2){
        cmd +=("<br/>Device2  : ON");
      }
      else{
        cmd +=("<br/>Device2  : OFF");
      }

       if(device3){
        cmd +=("<br/>Device3  : ON");
      }
      else{
        cmd +=("<br/>Device3  : OFF");
      }

      if(device4){
        cmd +=("<br/>Device4  : ON");
      }
      else{
        cmd +=("<br/>Device4  : OFF");
      }

      cmd += "<html>rn";
      server.send(200, "text/html", cmd);
}

void handleNotFound(){
  //digitalWrite(led, 1);
  String message = "File Not Foundnn";
  message += "URI: ";
  message += server.uri();
  message += "nMethod: ";
  message += (server.method() == HTTP_GET)?"GET":"POST";
  message += "nArguments: ";
  message += server.args();
  message += "n";
  for (uint8_t i=0; i<server.args(); i++){
    message += " " + server.argName(i) + ": " + server.arg(i) + "n";
  }
  server.send(404, "text/plain", message);
  //digitalWrite(led, 0);
}

void setup(void){
  pinMode(output1, OUTPUT);
  pinMode(output2, OUTPUT);
  pinMode(output3, OUTPUT);
  pinMode(output4, OUTPUT);

  digitalWrite(output1, LOW);
  digitalWrite(output2, LOW);
  digitalWrite(output3, LOW);
  digitalWrite(output4, LOW);

  Serial.begin(115200);
  WiFi.begin(ssid, password);
  Serial.println("");


  // Wait for connection
  while (WiFi.status() != WL_CONNECTED) {
    delay(500);
    Serial.print(".");

  }
  Serial.println("");
  Serial.print("Connected to ");
  Serial.println(ssid);
  Serial.print("IP address: ");
  Serial.println(WiFi.localIP());


  if (MDNS.begin("esp8266")) {
    Serial.println("MDNS responder started");
  }

  server.on("/", handleRoot);

  server.on("/status1=1", [](){
    server.send(200, "text/plain", "device1 = ON");
    digitalWrite(output1, HIGH);
    device1 = true;
  });

  server.on("/status1=0", [](){
    server.send(200, "text/plain", "device1 = OFF");
    digitalWrite(output1, LOW);
    device1 = false;
  });

  server.on("/status2=1", [](){
    server.send(200, "text/plain", "device2 = ON");
    digitalWrite(output2, HIGH);
    device2 = true;
  });

  server.on("/status2=0", [](){
    server.send(200, "text/plain", "device2 = OFF");
    digitalWrite(output2, LOW);
    device2 = false;
  });

  server.on("/status3=1", [](){
    server.send(200, "text/plain", "device3 = ON");
    digitalWrite(output3, HIGH);
    device3 = true;
  });

  server.on("/status3=0", [](){
    server.send(200, "text/plain", "device3 = OFF");
    digitalWrite(output3, LOW);
    device3 = false;
  });

  server.on("/status4=1", [](){
    server.send(200, "text/plain", "device4 = ON");
    digitalWrite(output4, HIGH);
    device4 = true;
  });

  server.on("/status4=0", [](){
    server.send(200, "text/plain", "device4 = OFF");
    digitalWrite(output4, LOW);
    device4 = false;
  });

  server.onNotFound(handleNotFound);
  server.begin();
  Serial.println("HTTP server started");
}

void loop(void){
  server.handleClient();
}

#include <ESP8266WiFi.h>
#include <ESP8266mDNS.h>
#include <ArduinoOTA.h>
#include <ESP8266WebServer.h>

const char* ssid = "........";
const char* password = "........";

ESP8266WebServer server(80);

const char* www_username = "admin";
const char* www_password = "esp8266";

void setup() {
  Serial.begin(115200);
  WiFi.mode(WIFI_STA);
  WiFi.begin(ssid, password);
  if(WiFi.waitForConnectResult() != WL_CONNECTED) {
    Serial.println("WiFi Connect Failed! Rebooting...");
    delay(1000);
    ESP.restart();
  }
  ArduinoOTA.begin();

  server.on("/", [](){
    if(!server.authenticate(www_username, www_password))
      return server.requestAuthentication();
    server.send(200, "text/plain", "Login OK");
  });
  server.begin();

  Serial.print("Open http://");
  Serial.print(WiFi.localIP());
  Serial.println("/ in your browser to see it working");
}

void loop() {
  ArduinoOTA.handle();
  server.handleClient();
}

if(!server.authenticate(www_username, www_password))
      return server.requestAuthentication();