"""Utils app method."""
import random
import re
import string

from django.conf import settings
from django.http.request import HttpRequest
from django.utils.timezone import datetime
from rest_framework.request import Request


def generate_code(digits=6, string_output=True):
    """Generate random int."""
    max_value = 10 ** digits - 1
    min_value = 10 ** (digits - 1)
    value = random.randint(min_value, max_value)
    return str(value) if string_output else value


def get_token_from_cookies(request):
    """Get access token from request cookies"""
    cookies = request.COOKIES
    if cookies.get('access_token'):
        token = f'Bearer {cookies.get("access_token")}'
        return token.encode()


def get_token_from_request(request):
    """Get access token from request"""
    token = None
    if 'Authorization' in request.headers:
        if isinstance(request, HttpRequest):
            token = request.headers.get('Authorization').split(' ')[::-1][0]
        if isinstance(request, Request):
            token = request.headers.get('Authorization').split(' ')[::-1][0]
    return token


def username_validator(username: str) -> bool:
    """Validate given username"""
    pattern = r'[@,]+'
    if re.search(pattern=pattern, string=username):
        return False
    else:
        return True


def image_path(instance, filename):
    """Determine avatar path method."""
    filename = '%s.jpeg' % generate_code()
    return 'image/%s/%s/%s' % (
        instance._meta.model_name,
        datetime.now().strftime(settings.REST_DATE_FORMAT),
        filename)


def svg_image_path(instance, filename):
    """Determine SVG path method."""
    filename = '%s.svg' % generate_code()
    return 'image/svg/%s/%s/%s' % (
        instance._meta.model_name,
        datetime.now().strftime(settings.REST_DATE_FORMAT),
        filename)


def get_user_ip(request):
    """Get user ip."""
    meta_dict = request.META
    x_forwarded_for = meta_dict.get('HTTP_X_FORWARDED_FOR')
    if x_forwarded_for:
        ip = x_forwarded_for.split(',')[0]
    else:
        ip = meta_dict.get('REMOTE_ADDR')
    return ip


def generate_string_code(size=64,
                         chars=string.ascii_lowercase + string.ascii_uppercase + string.digits):
    """Generate string code."""
    return ''.join([random.SystemRandom().choice(chars) for _ in range(size)])