import random

from django.urls import reverse


AVATAR_COLORS = [
    'b5e925', 'a88e57', 'dec6dc', 'e5b9ba', 'c2a13f', '8baadc',
    'eb9ed0', 'd6d6ee', '8c91f0', '838e76', 'f6c823', '49beb7',
    'f9ae1b', 'dc4da7', '48db29', '82dd89', '91b2a8', '6f9a4e',
    'ee59a6', '41988e', 'a587f6', '67e7ee', 'ccd318', 'e9a140'
]


def generate_lettere_avatar_url(word):
    assert len(word) > 0
    return reverse(
        'api:user-letter-avatar-proxy',
        kwargs={
            'letter': word[0],
            'color': random.choice(AVATAR_COLORS),
            'size': 128
        })