# coding: utf-8
# runme.py

import os
import webapp2
import logging
import string
import random
import itertools
from google.appengine.ext import db

def generate_token(length = 16):
    return u''.join(random.choice(string.ascii_letters + string.digits) for _ in itertools.repeat(None, length))


class Qwerty(db.Model):
    token = db.StringProperty('Token')


class IndexHandler(webapp2.RequestHandler):
    def get(self):
        items = Qwerty.all().fetch(1000)
        return self.response.out.write(
            '<a href="/add">Add one more</a><br/>' +
            '<br/>'.join(['<a href="/show/{token}">{token}</a>'.format(token = item.token) for item in items])
        )


class AddHandler(webapp2.RequestHandler):
    def get(self):
        item = Qwerty(token = generate_token())
        logging.info('### Added {token}'.format(token = item.token))
        item.save()
        return self.redirect('/')


class ShowHandler(webapp2.RequestHandler):
    def get(self, token):
        item = Qwerty.all().filter('token', token).get()
        logging.info('### Loaded {token}'.format(token = item.token))
        return self.response.out.write('<a href="/">Index</a><br /> {token}'.format(token = item.token))


app = webapp2.WSGIApplication([
    (r'/', IndexHandler),
    (r'/add', AddHandler),
    (r'/show/(.*)', ShowHandler),
], debug = os.getenv('SERVER_SOFTWARE', '').startswith('Dev'))