// include the library code:
#include <LiquidCrystal.h>
#include <Adafruit_NeoPixel.h>

#define NUMPIXELS 7
#define NEOPIXEL1_PIN 4
#define NEOPIXEL2_PIN 0
#define NEOPIXEL3_PIN 2
#define NEOPIXEL4_PIN 15
#define DELAYVAL 500

#define BUTTON1_PIN 35
#define BUTTON2_PIN 34
#define BUTTON3_PIN 23

Adafruit_NeoPixel pixels1(NUMPIXELS, NEOPIXEL1_PIN, NEO_GRB + NEO_KHZ800);
Adafruit_NeoPixel pixels2(NUMPIXELS, NEOPIXEL2_PIN, NEO_GRB + NEO_KHZ800);
Adafruit_NeoPixel pixels3(NUMPIXELS, NEOPIXEL3_PIN, NEO_GRB + NEO_KHZ800);
Adafruit_NeoPixel pixels4(NUMPIXELS, NEOPIXEL4_PIN, NEO_GRB + NEO_KHZ800);

#define myled 12
 

// initialize the library by associating any needed LCD interface pin
// with the ESP32 pin number it is connected to
const int rs = 32, en = 33, d4 = 25, d5 = 26, d6 = 27, d7 = 14;
LiquidCrystal lcd(rs, en, d4, d5, d6, d7);
int i = 0;

void setup() {
  // put your setup code here, to run once:
  Serial.begin(115200);
  Serial.println("Hello, ESP32!");
  pixels1.begin();
  pixels2.begin();
  pixels3.begin();
  pixels4.begin();

  pinMode(BUTTON1_PIN, INPUT);
  pinMode(BUTTON2_PIN, INPUT);
  pinMode(BUTTON3_PIN, INPUT);

  pinMode(myled, OUTPUT);

  // set up the LCD's number of columns and rows:
  lcd.begin(16, 2);
  
  // Print a message to the LCD.
  lcd.print("Hello, world!");
  
}

void loop() {
  buttonsPlay();
  digitalWrite(myled, HIGH);
  delay(500);
  digitalWrite(myled, LOW);
  delay(500);
  delay(10); // this speeds up the simulation
}

void buttonsPlay() {
  int button1State = 0;
  int button2State = 0;
  int button3State = 0;
  button1State = digitalRead(BUTTON1_PIN);
  button2State = digitalRead(BUTTON2_PIN);
  button3State = digitalRead(BUTTON3_PIN);
  Serial.print("button1 is ");
  Serial.println(button1State);
  Serial.print("button2 is ");
  Serial.println(button2State);
  Serial.print("button3 is ");
  Serial.println(button3State);
}

void neopixelPlay() {
  for(int i=0; i<NUMPIXELS; i++) {

    pixels1.setPixelColor(i, pixels1.Color(0, 150, 0));
    pixels2.setPixelColor(i, pixels2.Color(150, 0, 0));
    pixels3.setPixelColor(i, pixels3.Color(0, 0, 150));
    pixels4.setPixelColor(i, pixels4.Color(150, 150, 0));
    pixels1.show();
    pixels2.show();
    pixels3.show();
    pixels4.show();
    delay(DELAYVAL);
    
  }
  pixels1.clear();
  pixels2.clear();
  pixels3.clear();
  pixels4.clear();
}

void lcdPlay() {
  // set the cursor to column 0, line 1
  // (note: line 1 is the second row, since counting begins with 0):
  lcd.setCursor(0, 0);
  // set the display to automatically scroll:
  //lcd.autoscroll();
  //lcd.scrollDisplayLeft();
  lcd.print("Hello World!");

  lcd.setCursor(0, 1);
  lcd.print("this is a new line");
  //lcd.println(i);
  //i++;
  delay(500);

  // turn off automatic scrolling
  //lcd.noAutoscroll();
  // clear screen for the next loop:
  lcd.clear();
}