import os
import board
import displayio
from adafruit_display_text.label import Label
from adafruit_bitmap_font import bitmap_font

# the current working directory (where this file is)
cwd = ("/"+__file__).rsplit('/', 1)[0]
fonts = [file for file in os.listdir(cwd+"/fonts/")
         if (file.endswith(".bdf") and not file.startswith("._"))]
for i, filename in enumerate(fonts):
    fonts[i] = cwd+"/fonts/"+filename
print(fonts)

##########################################################################
THE_FONT = fonts[0]
DISPLAY_STRING = "A multi-line-\nexample of\n  font bounding!"
WRAP_CHARS = 40

##########################################################################
# Make the display context
splash = displayio.Group()
board.DISPLAY.show(splash)

# Make a background color fill
color_bitmap = displayio.Bitmap(320, 240, 1)
color_palette = displayio.Palette(1)
color_palette[0] = 0xFFFFFF
bg_sprite = displayio.TileGrid(color_bitmap,
                               pixel_shader=color_palette,
                               x=0, y=0)
splash.append(bg_sprite)

# Load the font
font = bitmap_font.load_font(THE_FONT)
font.load_glyphs(DISPLAY_STRING.encode('utf-8'))

print(DISPLAY_STRING)

text = Label(font, text=DISPLAY_STRING)
text.x = 20
text.y = 100
text.color = 0x0

# Make a background color fill
dims = text.bounding_box
print(dims)
textbg_bitmap = displayio.Bitmap(dims[2], dims[3], 1)
textbg_palette = displayio.Palette(1)
textbg_palette[0] = 0xFF0000
textbg_sprite = displayio.TileGrid(textbg_bitmap,
                                   pixel_shader=textbg_palette,
                                   x=text.x+dims[0], y=text.y+dims[1])
splash.append(textbg_sprite)
splash.append(text)
board.DISPLAY.refresh_soon()
board.DISPLAY.wait_for_frame()


while True:
    pass