import simplejson

from django.test import TestCase
from boards.views import api

from boards.models import Tag, Post
from boards.tests.mocks import MockRequest
from boards.utils import datetime_to_epoch


class ApiTest(TestCase):
    def test_thread_diff(self):
        tag = Tag.objects.create(name='test_tag')
        opening_post = Post.objects.create_post(title='title', text='text',
                                                tags=[tag])

        req = MockRequest()
        req.POST['thread'] = opening_post.id
        req.POST['uids'] = opening_post.uid
        # Check the exact timestamp post was added
        empty_response = api.api_get_threaddiff(req)
        diff = simplejson.loads(empty_response.content)
        self.assertEqual(0, len(diff['updated']),
                         'There must be no updated posts in the diff.')

        uids = [opening_post.uid]

        reply = Post.objects.create_post(title='',
                                         text='[post]%d[/post]\ntext' % opening_post.id,
                                         thread=opening_post.get_thread())
        req = MockRequest()
        req.POST['thread'] = opening_post.id
        req.POST['uids'] = ' '.join(uids)
        req.user = None
        # Check the timestamp before post was added
        response = api.api_get_threaddiff(req)
        diff = simplejson.loads(response.content)
        self.assertEqual(2, len(diff['updated']),
                         'There must be 2 updated posts in the diff.')

        # Reload post to get the new UID
        opening_post = Post.objects.get(id=opening_post.id)
        req = MockRequest()
        req.POST['thread'] = opening_post.id
        req.POST['uids'] = ' '.join([opening_post.uid, reply.uid])
        empty_response = api.api_get_threaddiff(req)
        diff = simplejson.loads(empty_response.content)
        self.assertEqual(0, len(diff['updated']),
                         'There must be no updated posts in the diff.')

    def test_get_threads(self):
        # Create 10 threads
        tag = Tag.objects.create(name='test_tag')
        for i in range(5):
            Post.objects.create_post(title='title', text='text', tags=[tag])

        # Get all threads
        response = api.api_get_threads(MockRequest(), 5)
        diff = simplejson.loads(response.content)
        self.assertEqual(5, len(diff), 'Invalid thread list response.')

        # Get less threads then exist
        response = api.api_get_threads(MockRequest(), 3)
        diff = simplejson.loads(response.content)
        self.assertEqual(3, len(diff), 'Invalid thread list response.')

        # Get more threads then exist
        response = api.api_get_threads(MockRequest(), 10)
        diff = simplejson.loads(response.content)
        self.assertEqual(5, len(diff), 'Invalid thread list response.')