#include <Adafruit_NeoPixel.h>

#define MOISTURE_PIN  34
#define LED_PIN       19
#define NUMPIXELS     10
#define LIGHT_PIN     35

Adafruit_NeoPixel strip = Adafruit_NeoPixel(NUMPIXELS, LED_PIN, NEO_GRB + NEO_KHZ800);

void blinkAllRed() {
  // Blink on
  for (int i = 0; i < NUMPIXELS; i++) {
    strip.setPixelColor(i, strip.Color(255, 0, 0));
  }
  strip.show();
  delay(500);

  // Blink off
  for (int i = 0; i < NUMPIXELS; i++) {
    strip.setPixelColor(i, strip.Color(0, 0, 0));
  }
  strip.show();
  delay(500);
}

void setMoistureBar(int percentage) {
  int ledsToLight = map(percentage, 0, 100, 0, NUMPIXELS);

  for (int i = 0; i < NUMPIXELS; i++) {
    if (i < ledsToLight) {
      if (i < 3)       strip.setPixelColor(i, strip.Color(255, 0, 0));  // Yellow
      else if (i < 7)  strip.setPixelColor(i, strip.Color(0, 255, 0));    // Green
      else             strip.setPixelColor(i, strip.Color(0, 0, 255));    // Blue
    } else {
      strip.setPixelColor(i, strip.Color(0, 0, 0));  // Off
    }
  }
  strip.show();
}

void setup() {
  Serial.begin(9600);

  strip.begin();
  strip.setBrightness(100);
  strip.show();
}

void loop() {
  int moistureRaw = analogRead(MOISTURE_PIN);

  float moisturePercent = map(moistureRaw, 0, 4095, 0, 100);
  int ledsToLight = map(moisturePercent, 0, 100, 0, 10);

  if (moisturePercent <= 10) {
    blinkAllRed();
  } else {
    setMoistureBar(moisturePercent);
  }

  int lightRaw = analogRead(LIGHT_PIN);

  Serial.println(lightRaw); 

  delay(1000);


}