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


const char* ssid = "ESP8266";
const char* password = "password";

const char* host = "192.168.4.3";

ESP8266WebServer server(80);

const int Led = 14;

 
void setup() { 
  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");
  }
}
 
 
void loop() {

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);
  }

  

  WiFiClient client;
  const int httpPort = 80;
  if (!client.connect(host, httpPort)) {
    Serial.println("connection failed");
    digitalWrite(Led, LOW);
    return;
  }

  
  String urlTemp = "/temp";
  Serial.print("Requesting URL: ");

  client.print(String("GET ") + urlTemp + " HTTP/1.1\r\n" +
                 "Host: " + host + "\r\n" + 
                 "Connection: close\r\n\r\n");

  String json = "";
  boolean httpBody = false;
  while (client.available()) {
    String line = client.readStringUntil('\r');
    Serial.print(line);
    if (!httpBody && line.charAt(1) == '{') {
      httpBody = true;
    }
    if (httpBody) {
      json += line;
    }
  }
  StaticJsonBuffer<200> jsonBuffer;
  Serial.println("Got data:");
  Serial.println(json);
  JsonObject& root = jsonBuffer.parseObject(json);
  String temp = root["temperature"];
  String hum = root["humidity"];

  Serial.println("Temperature :"+temp);
  Serial.println("Humidity :"+hum);

  delay(5000);
  
  }
}