#include <ESP8266WiFi.h>
#include <WiFiClient.h>
#include <ESP8266HTTPClient.h>
#include <ESP8266WebServer.h>
#include <ESP8266mDNS.h>

const char* ssid = "SSID";
const char* password = "PASSWORD";

ESP8266WebServer server(80);

const char* id = "led2";
bool led_status = false;

void setup() {
  pinMode(LED_BUILTIN, OUTPUT);
  digitalWrite(LED_BUILTIN, HIGH);

  //set wifi parameters
  Serial.begin(115200);
  WiFi.mode(WIFI_STA);
  WiFi.begin(ssid, password);
  IPAddress ip(10, 10, 10, 11);
  IPAddress gateway(10, 10, 10, 1);
  IPAddress subnet(255, 255, 255, 0);
  WiFi.config(ip, gateway, subnet);


  //Wait for connection, print info to serial
  while (WiFi.status() != WL_CONNECTED) {
    delay(200);
    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("/on", HTTP_GET, on_);
  server.on("/off", HTTP_GET, off_);
  server.on("/info", HTTP_GET, info_);

  server.begin();

  //say hello to server
  HTTPClient http;
  //http://<serverip>.8080/connect/<moduleip>/<moduleid>
  http.begin("http://10.10.10.10:8080/connect/10.10.10.11/led1");
  int httpCode = http.GET();
  if (httpCode > 0) {
     String payload = http.getString();
     Serial.println(httpCode);
     Serial.println(payload);
  } else Serial.println("Error on HTTP request");
  http.end();
}


void on_() {
  server.sendHeader("Access-Control-Allow-Origin", "*");
  server.send(200, "text/plain", "on");
  digitalWrite(LED_BUILTIN, LOW);
  led_status = true;
}

void off_() {
  server.sendHeader("Access-Control-Allow-Origin", "*");
  server.send(200, "text/plain", "off");
  digitalWrite(LED_BUILTIN, HIGH);
  led_status = false;
}

void info_() {
  server.sendHeader("Access-Control-Allow-Origin", "*");
  if (led_status) server.send(200, "text/plain", "on");
  else server.send(200, "text/plain", "off");
}


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