/**
 * BasicHTTPClient.ino
 *
 *  Created on: 24.05.2015
 *
 */
 
#include <Arduino.h>
 
#include <ESP8266WiFi.h>
#include <ESP8266WiFiMulti.h>
 
#include <ESP8266HTTPClient.h>
 
#define USE_SERIAL Serial
 
ESP8266WiFiMulti WiFiMulti;
 
void setup() {
  pinMode(4, OUTPUT);
    USE_SERIAL.begin(115200);
   // USE_SERIAL.setDebugOutput(true);
 
    USE_SERIAL.println();
    USE_SERIAL.println();
    USE_SERIAL.println();
 
    for(uint8_t t = 4; t > 0; t--) {
        USE_SERIAL.printf("[SETUP] WAIT %d...\n", t);
        USE_SERIAL.flush();
        delay(1000);
    }
    WiFi.disconnect();
    WiFiMulti.addAP("arduino-mp", "");
 
}
 
void loop() {
    // wait for WiFi connection
    if((WiFiMulti.run() == WL_CONNECTED)) {
 
        HTTPClient http;
 
        USE_SERIAL.print("[HTTP] begin...\n");
        // configure traged server and url
        //http.begin("https://192.168.1.12/test.html", "7a 9c f4 db 40 d3 62 5a 6e 21 bc 5c cc 66 c8 3e a1 45 59 38"); //HTTPS
        http.begin("http://192.168.4.1/light"); //HTTP
        //http.begin("http://6eae78c8.ngrok.io/lamp.txt"); //HTTP
        //http.begin("http://www.tlu.ee/");
 
        USE_SERIAL.print("[HTTP] GET...\n");
        // start connection and send HTTP header
        int httpCode = http.GET();
 
        // httpCode will be negative on error
        if(httpCode > 0) {
            // HTTP header has been send and Server response header has been handled
            USE_SERIAL.printf("[HTTP] GET... code: %d\n", httpCode);
 
            // file found at server
            if(httpCode == HTTP_CODE_OK) {
                String payload = http.getString();
                USE_SERIAL.println(payload);
                if (payload.startsWith("1")) {
                    digitalWrite(4, HIGH);
                  } else {
                    digitalWrite(4, LOW);
                    }
            }
        } else {
            USE_SERIAL.printf("[HTTP] GET... failed, error: %s\n", http.errorToString(httpCode).c_str());
        }
 
        http.end();
    }
 
    delay(500);
}