#include <Arduino.h>

#include <ESP8266WiFi.h>
#include <ESP8266WiFiMulti.h>

#include <ESP8266HTTPClient.h>

#define USE_SERIAL Serial

ESP8266WiFiMulti WiFiMulti;

unsigned long startTime;
unsigned long finishTime;
unsigned long totalTime;
int data1;
int data2;
bool isStarted = false;
bool isReady = false;
String url = "http://iot.knowbase.ee/get_data.php?device_id=1&time=";

void setup() {
  USE_SERIAL.begin(115200);

    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.mode(WIFI_STA);
    WiFiMulti.addAP("TLU", "");
  // put your setup code here, to run once:
  pinMode(D3, INPUT);
  pinMode(D4, INPUT);
  Serial.begin(115200);

}



void loop() {
  // put your main code here, to run repeatedly:
  data1 = digitalRead(D3);
  data2 = digitalRead(D4);


 if(data1 == 0){
  isReady = true;
  Serial.println("IS READY");
 }

  if(data1 == 1 && isStarted == false && isReady == true){
    startTime = millis();
    Serial.println("Started at: ");
    Serial.println(startTime);
    isStarted = true;
    isReady = false;
  }
  if(data2 == 0 && isStarted == true){
    Serial.println("Finished at");
    finishTime = millis();
    Serial.println(finishTime);
    totalTime = finishTime - startTime;
    Serial.println("Total time: ");
    Serial.println(totalTime);
    isStarted = false;
     // wait for WiFi connection
    if((WiFiMulti.run() == WL_CONNECTED && totalTime > 0)) {

        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(url+totalTime); //HTTP

        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);
            }
        } else {
            USE_SERIAL.printf("[HTTP] GET... failed, error: %s\n", http.errorToString(httpCode).c_str());
        }

        http.end();
    }
  }
 delay(10);
}