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from bottle import route, run, template

# Simple demo of of the WS2801/SPI-like addressable RGB LED lights.
import time
import RPi.GPIO as GPIO

# Import the WS2801 module.
import Adafruit_WS2801
import Adafruit_GPIO.SPI as SPI


# Configure the count of pixels:
PIXEL_COUNT = 160

# Alternatively specify a hardware SPI connection on /dev/spidev0.0:
SPI_PORT   = 0
SPI_DEVICE = 0
pixels = Adafruit_WS2801.WS2801Pixels(PIXEL_COUNT, spi=SPI.SpiDev(SPI_PORT, SPI_DEVICE), gpio=GPIO)

# Define the wheel function to interpolate between different hues.
def wheel(pos):
    if pos < 85:
        return Adafruit_WS2801.RGB_to_color(pos * 3, 255 - pos * 3, 0)
    elif pos < 170:
        pos -= 85
        return Adafruit_WS2801.RGB_to_color(255 - pos * 3, 0, pos * 3)
    else:
        pos -= 170
        return Adafruit_WS2801.RGB_to_color(0, pos * 3, 255 - pos * 3)

def blink_color(pixels, blink_times=5, wait=0.5, speed=0.08, red=255, blue=0, green=0):
    for i in range(blink_times):
        # blink two times, then wait
        pixels.clear()
        for j in range(2):
            for k in range(pixels.count()):
                pixels.set_pixel(k, Adafruit_WS2801.RGB_to_color( red, blue, green ))
            pixels.show()
            time.sleep(speed)
            pixels.clear()
            pixels.show()
            time.sleep(speed)
        time.sleep(wait)

def rainbow_cycle(pixels, wait=0.005):
    for j in range(256): # one cycle of all 256 colors in the wheel
        for i in range(pixels.count()):
            pixels.set_pixel(i, wheel(((i * 256 // pixels.count()) + j) % 256) )
        pixels.show()
        if wait > 0:
            time.sleep(wait)

@route('/')
@route('/blink/<blink_times:int>/<wait:float>/<speed:float>/<red:int>/<blue:int>/<green:int>')
def blink(blink_times='2',wait='0.5',speed='0.08',red='255',blue='0',green='0'):
        pixels.clear()
        pixels.show()
        blink_color(pixels, blink_times = blink_times, wait = wait, speed = speed, red = red, blue = blue, green = green)

@route('/rainbow/<wait:float>')
def rainbow(wait='0.1'):
        pixels.clear()
        pixels.show()
        rainbow_cycle(pixels, wait = wait)

run(host='localhost', port=8080, debug=True)