#include <ESP8266HTTPClient.h>
#include <ESP8266WiFi.h>

String server_url = "http://192.168.43.172:8080/api/roomlog";
int pir_pin = D6;
unsigned long lastMovmentMillis;
unsigned long timeGapForRelease = 1000 * 10;

String sendData(boolean *success);




#include <FastLED.h>
// How many leds in your strip?
#define NUM_LEDS 24
#define DATA_PIN 4
// Define the array of leds
CRGB leds[NUM_LEDS];

// constants won't change. They're used here to set pin numbers:
const int buttonPin = 5;    // the number of the pushbutton pin
const int ledPin = LED_BUILTIN;      // the number of the LED pin

// Variables will change:
int ledState = LOW;         // the current state of the output pin
int buttonState = HIGH;             // the current reading from the input pin
int lastButtonState = HIGH;   // the previous reading from the input pin

// the following variables are unsigned longs because the time, measured in
// milliseconds, will quickly become a bigger number than can be stored in an int.
unsigned long lastDebounceTime = 0;  // the last time the output pin was toggled
unsigned long debounceDelay = 50;    // the debounce time; increase if the output flickers

void setup() {
  Serial.begin(115200);
  Serial.println("System started");
  pinMode(buttonPin, INPUT_PULLUP);
  pinMode(ledPin, OUTPUT);
  pinMode(pir_pin, INPUT);

  WiFi.begin("SSID", "PASSWORD");

  Serial.print("Waiting for connection");
  while (WiFi.status() != WL_CONNECTED) {  //Wait for the WiFI connection completion
    delay(500);
    Serial.print(".");
  }

  Serial.println("Connected");
  delay(1000);

  FastLED.addLeds<NEOPIXEL, DATA_PIN>(leds, NUM_LEDS);  // GRB ordering is assumed


  // set initial LED state
  SetLeds();

}

void loop() {
  // read the state of the switch into a local variable:
  int reading = digitalRead(buttonPin);

  // check to see if you just pressed the button
  // (i.e. the input went from LOW to HIGH), and you've waited long enough
  // since the last press to ignore any noise:

  // If the switch changed, due to noise or pressing:
  if (reading != lastButtonState) {
    // reset the debouncing timer
    lastDebounceTime = millis();
  }

  if ((millis() - lastDebounceTime) > debounceDelay) {
    // whatever the reading is at, it's been there for longer than the debounce
    // delay, so take it as the actual current state:

    // if the button state has changed:
    if (reading != buttonState) {
      buttonState = reading;

      // only toggle the LED if the new button state is LOW
      if (buttonState == LOW) {
        Serial.println("FLIP");
        ledState = !ledState;
        lastMovmentMillis = millis();
        SetLeds();

      }
    }
  }

  // check pir
  if (digitalRead(pir_pin)) {
    lastMovmentMillis = millis();
  }


  // check free room mode
  if (ledState &&  lastMovmentMillis +  timeGapForRelease < millis()) {
    ledState = !ledState;
    SetLeds();
  }



  // save the reading. Next time through the loop, it'll be the lastButtonState:
  lastButtonState = reading;
}

void SetLeds() {
  // set the LED:
  digitalWrite(ledPin, ledState);
  // set the RGB LEDS
  for (byte i = 0; i < NUM_LEDS; i++) {
    if (ledState) {
      leds[i] = CRGB::Red;
    } else {
      leds[i] = CRGB::Green;
    }
    delay(50);
    FastLED.show();
  } //ens for
  boolean isSuccess;
  String payLoad = sendData(&isSuccess);
  if (isSuccess) {
    Serial.println("Success !");
  } else {
    Serial.println("Fail:");
    Serial.println(payLoad);
  }

}


String sendData(boolean *success) {
  HTTPClient http;    //Declare object of class HTTPClient

  http.begin(server_url);
  http.addHeader("Content-Type", "application/json");

  int httpCode = http.POST("{\"state\":" + String(ledState) + "}"); //Send the request
  String payload = http.getString();                  //Get the response payload

  http.end();  //Close connection

  if (httpCode == 200)
    *success = true;
  else
    *success = false;

  return payload;


}