#define BLYNK_PRINT Serial

#include <ESP8266WiFi.h>
#include <BlynkSimpleEsp8266.h>
#include <Adafruit_NeoPixel.h>

#define NEOPIXEL_PIN 5
#define NEOPIXEL_AMOUNT 12

const char* WIFI_SSID = "iPhone de Bárbara";
const char* WIFI_PASSWORD = "diogocosta";

const char* BLYNK_AUTH_TOKEN = "f8Pj_v0-otEKVd45BQSBakMq33ifMjo1";

Adafruit_NeoPixel pixels(NEOPIXEL_AMOUNT, NEOPIXEL_PIN, NEO_GRB + NEO_KHZ800);

int hue;
float brightness;
int rainbow = 0;
int manual = 0; // 0 se for automatico | 1 se for manual

BLYNK_WRITE(V0) {
  hue = param.asInt();
}

BLYNK_WRITE(V1) {
  brightness = param.asFloat();
}

BLYNK_WRITE(V2) {
  rainbow = param.asInt();
}

BLYNK_WRITE(V3) {
  manual = param.asInt();
}

void setup() {
  Serial.begin(115200);
  Serial.println("Ola");

  pinMode(0, INPUT_PULLUP);

  Blynk.begin(BLYNK_AUTH_TOKEN, WIFI_SSID, WIFI_PASSWORD);
  pixels.begin();

  for(int i = 0; i < NEOPIXEL_AMOUNT; i++) {
    pixels.setPixelColor(i, pixels.ColorHSV(120 * 65535.0f / 360.0f, 255, 100));
  }

  Blynk.virtualWrite(V0, hue);
  Blynk.virtualWrite(V1, brightness);
  Blynk.virtualWrite(V2, rainbow);
  Blynk.virtualWrite(V3, manual);

  pixels.show();
  delay(500);
  pixels.clear();
}

void loop() {
  Blynk.run();

  if(digitalRead(0) == LOW) {
    manual = !manual;
    Blynk.virtualWrite(V3, manual);
  }

  for(int i = 0; i < NEOPIXEL_AMOUNT; i++) {
    uint16_t color = (uint16_t) ((rainbow ? (360.0f / NEOPIXEL_AMOUNT) * i : hue) * 65535.0f / 360.0f);
    pixels.setPixelColor(i, pixels.ColorHSV(color, 255, (uint8_t) (brightness * 255)));
  }

  pixels.show();
  delay(10);
}