# Imports
import time
from machine import Pin
from neopixel import NeoPixel

# Define the strip pin number (28) and number of LEDs (15)
pix = [p for p in range(16)]
strip = NeoPixel(Pin(28), 16)

# Colour variables
red = 255,0,0
green = 0,255,0
blue = 0,0,255
yellow = 255,255,0
pink = 255,20,147
white = 255,255,255
black = 0,0,0

# timing variables
delay = 35


# iterate over 15 leds
for i in range(1,8):
    
    # Set each LED in the range to blue
    strip[i] = (0,0,255)

# iterate over 15 leds
for i in range(9,16):
    
    # Set each LED in the range to off
    strip[i] = (255,0,0)

# Send the data to the strip
strip.write()

time.sleep (1)

# iterate over 15 leds
for i in range(1,8):
    
    # Set each LED in the range to blue
    strip[i] = (0,0,0)

# iterate over 15 leds
for i in range(9,16):
    
    # Set each LED in the range to off
    strip[i] = (0,0,0)

# Send the data to the strip
strip.write()

# time.sleep(1)
time.sleep_ms(delay)

# Define colour list
colours = [red, black, blue, black, white]

#    brightness = 2
color = (0, 0, 255)
delay = 35
flashes = 8
p1 = pix[1:8]
print(p1)

p2 = pix[9:15]
print(p2)
    
while True:        
        
        for f in range(flashes):
            # Side 1 one
            for p in p1:
                strip[p] = (0,0,255)
            strip.write()
            time.sleep_ms(delay)
            # Side 1 off
            for p in p1:
                strip[p] = (0,0,0)
            strip.write()
            time.sleep_ms(delay)

        for f in range(flashes):
            # Side 2 on
            for p in p2:
                strip[p] = (255,0,0)
            strip.write()
            time.sleep_ms(delay)
            # Side 2 off
            for p in p2:
                strip[p] = (0,0,0)
            strip.write()
            time.sleep_ms(delay)

while True: # Run forever

    # Iterate over the colours
    for j in colours:
        
        # Then iterate over 15 leds
        for i in range(15):
            
            # Set each LED in the range to red
            strip[i] = (j)
            
            # Delay - the speed of the chaser
            time.sleep(0.1)
            
            # Send the data to the strip
            strip.write()