/*
 *  Simple HTTP get webclient test
 */

#include <ESP8266WiFi.h>
#include <string.h> 
const char* ssid     = "Your_Network_name";
const char* password = "Your_Network_Password";

const char* host = "www.your_domain_here.com";
String line;
String trimmed;
String red,blue;
 int count=0;

void setup() {
 
  pinMode(14,OUTPUT);
   pinMode(16,OUTPUT);
   
  Serial.begin(115200);
  delay(100);

  // We start by connecting to a WiFi network

  Serial.println();
  Serial.println();
  Serial.print("Connecting to ");
  Serial.println(ssid);
  
  WiFi.begin(ssid, password);
  
  while (WiFi.status() != WL_CONNECTED) {
    delay(500);
    Serial.print(".");
  }

  Serial.println("");
  Serial.println("WiFi connected");  
  Serial.println("IP address: ");
  Serial.println(WiFi.localIP());
}



void loop() {
    
    delay(200);

  
    Serial.print("connecting to ");
    Serial.println(host);
    
    // Use WiFiClient class to create TCP connections
    WiFiClient client;
    const int httpPort = 80;
    if (!client.connect(host, httpPort)) {
      Serial.println("connection failed");
      return;
    }
    
    // We now create a URI for the request
    String url = "/value.txt";

    //writing to the webpage using form_data and php GET
    String message="lasttest";
    String modify = "/index.htm?form_data=" + message + "&Submit=Submit";
    
    Serial.print("Requesting URL: ");
    Serial.println(url);
    
    // This will send the request to the server
    client.print(String("GET ") + url + " HTTP/1.1\r\n" +
                 "Host: " + host + "\r\n" + 
                 "Connection: close\r\n\r\n");

   delay(500);

    // Read all the lines of the reply from server and print them to Serial
    while(client.available()){
            line = client.readStringUntil('\r');
            Serial.print(line);
    }
    
    Serial.println();
    Serial.println("closing connection\n\n");
    //line.trim(); //need to trim the whitespaces

  //---------Detect whether the text value is On or Off
   if (line.substring(1,3) == "On"){
        Serial.print("\n\n Control Relay Turned on");
        digitalWrite(16,HIGH);
        digitalWrite(14,LOW);
   }
   if (line.substring(1,4) =="Off"){
        Serial.print("\n\n Control Relay Turned off");
        digitalWrite(14,HIGH);
        digitalWrite(16,LOW);
   }

    Serial.print("length is:  ");
    Serial.print(line.length());  
    Serial.print("\n");
    Serial.print(line);
}