"""
Read the barometric reading in the air
Visualize air reading changes over time as a color animation on a NeoPixel strip
Display a "sinking" or "rising" graphic on the screen along with recent reading data

Code by Erin St Blaine for Adafruit Industries
"""

import time
import board
import neopixel
from adafruit_clue import clue
import adafruit_fancyled.adafruit_fancyled as fancy
import displayio
from adafruit_display_text import label
from adafruit_bitmap_font import bitmap_font


num_leds = 79 #number of LEDs in your strip
timeToCheck = 100 # set the amount of time between sensor checks. 7800 is approx. 1 hour

# Barometer or Thermometer? Uncomment the section you want to use

# BAROMETER RANGES (hPa)
# set desired reading range -- the NeoPixel palette choice will be determined by these thresholds
deviceType = 0
min_reading = 960
med_reading = 965
high_reading= 970
max_reading = 975

"""
# THERMOMETER RANGES (C)
# set desired temperature range -- the NeoPixel palette choice will be determined by these thresholds
deviceType = 1
min_reading = 25
med_reading = 27
high_reading= 31
max_reading = 33
"""

#get an initial sensor reading
if deviceType ==0:
    reading = clue.pressure
else:
    reading = clue.temperature

#set up variables for "remembering" past readings
reading1 = reading
reading2 = reading1
reading3 = reading2
counter = 0
toggle = 1  #for on/off switch on button A
displayOn = 1  #to turn the display on and off with button B

clue.display.brightness = 0.8
clue_display = displayio.Group(max_size=4)

# draw the rising image
rising_file = open("rising.bmp", "rb")
rising_bmp = displayio.OnDiskBitmap(rising_file)
rising_sprite = displayio.TileGrid(rising_bmp, pixel_shader=displayio.ColorConverter())
clue_display.append(rising_sprite)

# draw the sinking image
sinking_file = open("sinking.bmp", "rb")
sinking_bmp = displayio.OnDiskBitmap(sinking_file)
sinking_sprite = displayio.TileGrid(sinking_bmp, pixel_shader=displayio.ColorConverter())
clue_display.append(sinking_sprite)

# Create text
# first create the group
text_group = displayio.Group(max_size=5, scale=1)
# Make a label
reading_font = bitmap_font.load_font("/font/RacingSansOne-Regular-29.bdf")
reading_font.load_glyphs("0123456789ADSWabcdefghijklmnopqrstuvwxyz:!".encode('utf-8'))
reading_label = label.Label(reading_font, color=0xffffff, max_glyphs=15)
reading_label.x = 10
reading_label.y = 24
text_group.append(reading_label)

reading2_label = label.Label(reading_font, color=0xdaf5f4, max_glyphs=15)
reading2_label.x = 10
reading2_label.y = 54
text_group.append(reading2_label)

reading3_label = label.Label(reading_font, color=0x4f3ab1, max_glyphs=15)
reading3_label.x = 10
reading3_label.y = 84
text_group.append(reading3_label)

timer_label = label.Label(reading_font, color=0x072170, max_glyphs=15)
timer_label.x = 10
timer_label.y = 114
text_group.append(timer_label)

clue_display.append(text_group)
clue.display.show(clue_display)

# Define color Palettes
waterPalette = [
            0x00d9ff,
            0x006f82,
            0x43bfb9,
            0x0066ff]
icePalette = [
            0x8080FF,
            0x8080FF,
            0x8080FF,
            0x0000FF,
            0xC88AFF]
sunPalette = [
            0xffaa00,
            0xffdd00,
            0x7d5b06,
            0xfffca8]
firePalette = [
            0xff0000,
            0xff5500,
            0x8a3104,
            0xffaa00 ]
forestPalette = [
            0xccffa8,
            0x69f505,
            0x05f551,
            0x2c8247]

#set up default initial palettes, just for startup
palette = forestPalette
palette2 = waterPalette
palette3 = icePalette

# Declare a NeoPixel object on pin A4 with num_leds pixels, no auto-write.
# Set brightness to max because we'll be using FancyLED's brightness control.
pixels = neopixel.NeoPixel(board.A4, num_leds, brightness=1.0,
                           auto_write=False)

offset = 0  # Positional offset into color palette to get it to 'spin'

while True:
    # use button A to toggle the NeoPixels on or off by changing brightness
    if clue.button_a:
        if toggle == 1:
            toggle = 0
            pixels.brightness = 0
            clue.display.brightness = 0
        elif toggle == 0:
            toggle = 1
            pixels.brightness = 1.0
            clue.display.brightness = 0.8
    if clue.button_b:
    #Toggle only the display on and off
        if displayOn == 0:
            clue.display.brightness = 0.8
            displayOn = 1
        else:
            clue.display.brightness = 0
            displayOn = 0

    #assign color palette to NeoPixel section 1 based on the current reading reading
    if reading1 < min_reading:
        palette = firePalette
    elif reading1 > min_reading and reading1 < med_reading:
        palette = sunPalette
    elif reading1 > med_reading and reading1 < high_reading:
        palette = forestPalette
    elif reading1 > high_reading and reading1 < max_reading:
        palette = waterPalette
    else:
        palette = icePalette
    #Map colors to pixels. Adjust range numbers to light up specific pixels. This configuration
    # maps to a reflected gradient, with pixel 0 in the upper left corner
    # Load each pixel's color from the palette using an offset, run it
    # through the gamma function, pack RGB value and assign to pixel.
    for i in range(23, 31):  #center right -- present moment
        color = fancy.palette_lookup(palette, offset + i / num_leds)
        color = fancy.gamma_adjust(color, brightness=0.25)
        pixels[i] = color.pack()

    for i in range(63, 71): #center left -- present moment
        color = fancy.palette_lookup(palette, offset + i / num_leds)
        color = fancy.gamma_adjust(color, brightness=0.25)
        pixels[i] = color.pack()

    for i in range(16, 23): #top mid right  -- 1 cycle ago
        color = fancy.palette_lookup(palette2, offset + i / num_leds)
        color = fancy.gamma_adjust(color, brightness=0.25)
        pixels[i] = color.pack()

    for i in range(71, 78): #top mid left  -- 1 cycle ago
        color = fancy.palette_lookup(palette2, offset + i / num_leds)
        color = fancy.gamma_adjust(color, brightness=0.25)
        pixels[i] = color.pack()

    for i in range(31, 38): #bottom mid right  -- 1 cycle ago
        color = fancy.palette_lookup(palette2, offset + i / num_leds)
        color = fancy.gamma_adjust(color, brightness=0.25)
        pixels[i] = color.pack()

    for i in range(56, 63): #bottom mid left  -- 1 cycle ago
        color = fancy.palette_lookup(palette2, offset + i / num_leds)
        color = fancy.gamma_adjust(color, brightness=0.25)
        pixels[i] = color.pack()

    for i in range(0, 16): #top right  -- 2 cycles ago
        color = fancy.palette_lookup(palette3, offset + i / num_leds)
        color = fancy.gamma_adjust(color, brightness=0.25)
        pixels[i] = color.pack()

    for i in range(77, 79): #top left  -- 2 cycles ago
        color = fancy.palette_lookup(palette3, offset + i / num_leds)
        color = fancy.gamma_adjust(color, brightness=0.25)
        pixels[i] = color.pack()

    for i in range(38, 56): #bottom  -- 2 cycles ago
        color = fancy.palette_lookup(palette3, offset + i / num_leds)
        color = fancy.gamma_adjust(color, brightness=0.25)
        pixels[i] = color.pack()

    pixels.show()
    offset += 0.01  # Bigger number = faster spin

    reading_label.text = "Now  {:.1f}".format(reading1)
    reading2_label.text = "Last  {:.1f}".format(reading2)
    reading3_label.text = "Prev  {:.1f}".format(reading3)
    timer_label.text = "{}".format(counter)
    clue.display.show(clue_display)

    #Is it time to update?
    if counter > timeToCheck:
        #This moves the current data to the "1 hour old" section of pixels and the "1 hour old" data
        #to the "2 hours old" section of pixels
        palette3 = palette2
        palette2 = palette
        reading3 = reading2
        reading2 = reading1
        reading1 = reading
        #take a new sensor reading and reset the counter
        if deviceType == 0:
            reading = clue.pressure
        else:
            reading = clue.temperature
        counter = 0
        #if reading is rising, show rising image and position text at the bottom
        if reading1 > reading2:
            sinking_sprite.x = 300
            reading_label.y = 134
            reading2_label.y = 164
            reading3_label.y = 194
            timer_label.y = 224
        #if reading is falling, show sinking image and position text at the top
        elif reading2 < reading3:  #reading is falling
            sinking_sprite.x = 0
            reading_label.y = 24
            reading2_label.y = 54
            reading3_label.y = 84
            timer_label.y = 114
    #otherwise keep counting up
    else:
        counter = counter + 1