/*
   PIR sensor tester
*/

int ledPin = 12;                // choose the pin for the LED
int inputPin = 14;               // choose the input pin (for PIR sensor)
int pirState = LOW;             // we start, assuming no motion detected
int val = 0;                    // variable for reading the pin status



// Adafruit NeoPixel library
#include <Adafruit_NeoPixel.h>
// Which pin on the Arduino is connected to the NeoPixels?
#define PIN        13
// How many NeoPixels are attached to the Arduino?
#define NUMPIXELS 24 // Popular NeoPixel ring size

// When setting up the NeoPixel library, we tell it how many pixels,
// and which pin to use to send signals. Note that for older NeoPixel
// strips you might need to change the third parameter -- see the
// strandtest example for more information on possible values.
Adafruit_NeoPixel pixels(NUMPIXELS, PIN, NEO_GRB + NEO_KHZ800);

#define DELAYVAL 30 // Time (in milliseconds) to pause between pixels
#define COLOURRGB 180, 180, 180 // Colour of the pixels in RGB
#define COLOURRGB2 0, 0, 0 // Colour of the pixels in RGB

// Done Flag to play animations once
bool doneFlag = false;


void setup() {
  Serial.begin(115200);
  Serial.println("Hello, ESP32!");

  pixels.begin(); // INITIALIZE NeoPixel strip object (REQUIRED)

  // PIR SETUP
  pinMode(ledPin, OUTPUT);      // declare LED as output
  pinMode(inputPin, INPUT);     // declare sensor as input
}

void loop() {

// Wait
//delay(1000);



// PIR LOOP
  val = digitalRead(inputPin);  // read input value
  if (val == HIGH) {            // check if the input is HIGH
    digitalWrite(ledPin, HIGH);  // turn LED ON
  if (doneFlag == false) {
      pixels.setPixelColor(0, COLOURRGB); delay(DELAYVAL); pixels.show();
      pixels.setPixelColor(1, COLOURRGB); delay(DELAYVAL); pixels.show();
      pixels.setPixelColor(2, COLOURRGB); delay(DELAYVAL); pixels.show();
      pixels.setPixelColor(3, COLOURRGB); delay(DELAYVAL); pixels.show();
      pixels.setPixelColor(4, COLOURRGB); delay(DELAYVAL); pixels.show();
      pixels.setPixelColor(5, COLOURRGB); delay(DELAYVAL); pixels.show();
      pixels.setPixelColor(6, COLOURRGB); delay(DELAYVAL); pixels.show();
      pixels.setPixelColor(7, COLOURRGB); delay(DELAYVAL); pixels.show();
      pixels.setPixelColor(8, COLOURRGB); delay(DELAYVAL); pixels.show();
      pixels.setPixelColor(9, COLOURRGB); delay(DELAYVAL); pixels.show();
      pixels.setPixelColor(10, COLOURRGB); delay(DELAYVAL); pixels.show();
      pixels.setPixelColor(11, COLOURRGB); delay(DELAYVAL); pixels.show();
      pixels.setPixelColor(12, COLOURRGB); delay(DELAYVAL); pixels.show();
      pixels.setPixelColor(13, COLOURRGB); delay(DELAYVAL); pixels.show();
      pixels.setPixelColor(14, COLOURRGB); delay(DELAYVAL); pixels.show();
      pixels.setPixelColor(15, COLOURRGB); delay(DELAYVAL); pixels.show();
      pixels.setPixelColor(16, COLOURRGB); delay(DELAYVAL); pixels.show();
      pixels.setPixelColor(17, COLOURRGB); delay(DELAYVAL); pixels.show();
      pixels.setPixelColor(18, COLOURRGB); delay(DELAYVAL); pixels.show();
      pixels.setPixelColor(19, COLOURRGB); delay(DELAYVAL); pixels.show();
      pixels.setPixelColor(20, COLOURRGB); delay(DELAYVAL); pixels.show();
      pixels.setPixelColor(21, COLOURRGB); delay(DELAYVAL); pixels.show();
      pixels.setPixelColor(22, COLOURRGB); delay(DELAYVAL); pixels.show();
      pixels.setPixelColor(23, COLOURRGB); delay(DELAYVAL); pixels.show();
      pixels.setPixelColor(24, COLOURRGB);  delay(DELAYVAL); pixels.show();
      delay (6000);
      doneFlag = true;
    }
    if (pirState == LOW) {
      // we have just turned on
      Serial.println("Motion detected!");
      // We only want to print on the output change, not state
      doneFlag = false;
      pirState = HIGH;
    }
  } else {
    digitalWrite(ledPin, LOW); // turn LED OFF
    // Turn Off Lights
    pixels.setPixelColor(24, COLOURRGB2); delay(DELAYVAL); pixels.show();
    pixels.setPixelColor(23, COLOURRGB2); delay(DELAYVAL); pixels.show();
    pixels.setPixelColor(22, COLOURRGB2); delay(DELAYVAL); pixels.show();
    pixels.setPixelColor(21, COLOURRGB2); delay(DELAYVAL); pixels.show();
    pixels.setPixelColor(20, COLOURRGB2); delay(DELAYVAL); pixels.show();
    pixels.setPixelColor(19, COLOURRGB2); delay(DELAYVAL); pixels.show();
    pixels.setPixelColor(18, COLOURRGB2); delay(DELAYVAL); pixels.show();
    pixels.setPixelColor(17, COLOURRGB2); delay(DELAYVAL); pixels.show();
    pixels.setPixelColor(16, COLOURRGB2); delay(DELAYVAL); pixels.show();
    pixels.setPixelColor(15, COLOURRGB2); delay(DELAYVAL); pixels.show();
    pixels.setPixelColor(14, COLOURRGB2); delay(DELAYVAL); pixels.show();
    pixels.setPixelColor(13, COLOURRGB2); delay(DELAYVAL); pixels.show();
    pixels.setPixelColor(12, COLOURRGB2); delay(DELAYVAL); pixels.show();
    pixels.setPixelColor(11, COLOURRGB2); delay(DELAYVAL); pixels.show();
    pixels.setPixelColor(10, COLOURRGB2); delay(DELAYVAL); pixels.show();
    pixels.setPixelColor(9, COLOURRGB2); delay(DELAYVAL); pixels.show();
    pixels.setPixelColor(8, COLOURRGB2); delay(DELAYVAL); pixels.show();
    pixels.setPixelColor(7, COLOURRGB2); delay(DELAYVAL); pixels.show();
    pixels.setPixelColor(6, COLOURRGB2); delay(DELAYVAL); pixels.show();
    pixels.setPixelColor(5, COLOURRGB2); delay(DELAYVAL); pixels.show();
    pixels.setPixelColor(4, COLOURRGB2); delay(DELAYVAL); pixels.show();
    pixels.setPixelColor(3, COLOURRGB2); delay(DELAYVAL); pixels.show();
    pixels.setPixelColor(2, COLOURRGB2); delay(DELAYVAL); pixels.show();
    pixels.setPixelColor(1, COLOURRGB2); delay(DELAYVAL); pixels.show();
    pixels.setPixelColor(0, COLOURRGB2);  delay(DELAYVAL); pixels.show();

    pixels.clear(); // Set all pixel colors to 'off'

    if (pirState == HIGH) {
      // we have just turned of
      Serial.println("Motion ended!");
      // We only want to print on the output change, not state
      pirState = LOW;
    }
  }
}