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

const char* ssid = "ESP8266 - TEST";
const char* password = "Coconuts08";

ESP8266WebServer server(80);

const int RelayL = 13;
const int Led = 14;
bool flash = false;

void handleRoot() {
  server.send(200, "text/plain", "hello from esp8266-relayL!");
}

void handleNotFound(){
  String message = "File Not Found\n\n";
  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);
}

void setup(void){
  pinMode(RelayL, OUTPUT);
  pinMode(Led, OUTPUT);
  Serial.begin(115200);
  WiFi.begin(ssid, password);
  Serial.println("");
  digitalWrite(Led, LOW);

  // 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());
  digitalWrite(Led, HIGH);

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

  server.on("/", handleRoot);
  
  server.on("/open", [](){
    server.send(200, "text/plain", "open relayL");
    flash = true;
  });

  server.on("/close", [](){
    server.send(200, "text/plain", "close relayL");
    flash = false;
  });

  server.onNotFound(handleNotFound);

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

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

if(WiFi.status() != WL_CONNECTED){
  digitalWrite(Led, LOW);
  Serial.println("Trying to reconnect !");
  while (WiFi.status() != WL_CONNECTED) {
    delay(500);
    Serial.print(".");
  }
  Serial.println("");
  Serial.println("Connected !");
}else{
  if(digitalRead(Led)==LOW){
         digitalWrite(Led, HIGH);
  }

  if(flash){
    digitalWrite(RelayL, HIGH);
    delay(1000);
    digitalWrite(RelayL, LOW);
  }

  delay(1000);
}
}