A sex toy cabinet that chooses toys for you

toyChooser.ino

#include <Wire.h>
#include "FastLED.h"

#define PIX_PER_SHELF 43 //number of LEDs you have on each shelf
#define SHELVES 6 // number of shelves you have
#define DATA_PIN 6 // neopixel signal pin
#define DOOR_SWITCH 7 // magnet and reed switch on cupboard door
#define AMBIENT_TIME 1800000 // milliseconds to leave cabinet in ambient lighting mode (1,800,000 = 30 minutes)

int toys[] = {5,4,4,4,8,8}; // how many toys you have on each row

/* No need to adjust anything below here */

// used to make basic mood lamp colour fading feature
int fade_h;
int fade_direction = 1;


bool opened = false;
bool ambient_mode = false;
bool chosen = false;

int direction = -10;

unsigned long timer; // used to count the time



// Define the array of leds
CRGB leds[PIX_PER_SHELF*SHELVES];

void setup() { 
  FastLED.addLeds<WS2812B, DATA_PIN, GRB>(leds, PIX_PER_SHELF*SHELVES);
  pinMode(DOOR_SWITCH,INPUT);
  Serial.begin(115200);
  
  FastLED.show(); // Initialize all pixels to 'off'
  randomSeed(analogRead(0));
  resetPixelStates();
}

void resetPixelStates(){
  for(int i=0;i<(PIX_PER_SHELF*SHELVES);i++){
    leds[i] = CHSV( 0, 0, 0);
  }
  FastLED.show();
}
void loop() {
  if(digitalRead(DOOR_SWITCH) == 1 && chosen == false){ // no toys picked yet, door opened
    opened = true;
    ambient_mode = false;
    chooseToys();
  }
  else if (digitalRead(DOOR_SWITCH) == 1 && chosen == true){ // we've displaying chosen toys, just wait and 
    //do nothing
  }
  else if(ambient_mode == true && opened == false){
    if (millis() - timer > AMBIENT_TIME){
      // timer expired. reset everything to off state. 
      resetPixelStates();
      opened = false;
      chosen = false;
      ambient_mode = false;
    } 
    else{
      ambience();
    }
  }
  else if(opened == true && digitalRead(DOOR_SWITCH) == 0){ // was opened, now closed again
    opened = false;
    chosen = false;
    ambient_mode = true;
    // switch to ambient lighting mode for 30 minutes, unless reopened again. 
    timer = millis();
    ambience(); 
    
  }
  else{
    resetPixelStates();
  }
}

void ambience(){
  
  //mood mood lamp that cycles through colours
  for (int i=0;i<PIX_PER_SHELF*SHELVES;i++){
    leds[i] = CHSV( fade_h, 255, 255);
  }
  if(fade_h >254){
    fade_direction = -1; //reverse once we get to 254
  }
  else if(fade_h < 0){
    fade_direction = 1;
  }
    
  fade_h += fade_direction;
  FastLED.show();
  delay(100);
}

void chooseToys(){
  if(chosen == false){   
    resetPixelStates(); 
    for(uint16_t s=0; s<SHELVES; s++){
      int chosenToy = random(1,toys[s]+1);
      Serial.print("shelf number ");
      Serial.print(s+1);
      Serial.print(" :chosen ");
      Serial.print(chosenToy);
      Serial.print(" of ");
      Serial.println(toys[s]);
      
      float pixelsPerToy = (float)PIX_PER_SHELF/toys[s];
      Serial.print("pixels per toy: ");
      Serial.println(pixelsPerToy);
      
      int startPixel = (s*PIX_PER_SHELF); // first pixel of this row 
      int endPixel = startPixel+(PIX_PER_SHELF-1); // last pixel of this row
      int toyStartPixel =  startPixel + (pixelsPerToy*(chosenToy-1)); 
      int toyEndPixel =  startPixel + (pixelsPerToy*(chosenToy))-1;
      Serial.print(toyStartPixel);
      Serial.print(":");
      Serial.println(toyEndPixel);
      
      for(int i = toyStartPixel; i <= toyEndPixel; i++){
        leds[i] = CHSV( 0, 0, 255);
        delay(50);
        FastLED.show();
      }
      
    }
    chosen = true;
  }
  
}