# -*- coding: utf-8 -*-
from __future__ import unicode_literals
import re
import socket
from django.utils import timezone
from django.views import generic


class RootView(generic.TemplateView):
    template_name = 'base/root.html'
    _default_color_hex = '47825b'

    def _get_color_hex(self, hostname=None):
        color_hex = self._default_color_hex
        if hostname:
            buf = hostname
            buf = re.sub('[-.]', '', buf)
            buf = buf[:6].lower()
            if re.match('[0-9a-f]{6}', buf):
                color_hex = buf
        return color_hex

    def get_context_data(self, **kwargs):
        if 'hostname' not in kwargs:
            kwargs['hostname'] = socket.gethostname()
        if 'color_hex' not in kwargs:
            kwargs['color_hex'] = self._get_color_hex(kwargs['hostname'])
        if 'time' not in kwargs:
            kwargs['time'] = timezone.now()
        return super(RootView, self).get_context_data(**kwargs)