from __future__ import unicode_literals

import mock

import tornado.testing

import mopidy
from mopidy.http import actor


class HttpServerTest(tornado.testing.AsyncHTTPTestCase):
    def get_app(self):
        config = {
            'http': {
                'hostname': '127.0.0.1',
                'port': 6680,
                'static_dir': None,
                'zeroconf': '',
            }
        }
        core = mock.Mock()
        core.get_version = mock.MagicMock(name='get_version')
        core.get_version.return_value = mopidy.__version__

        http_frontend = actor.HttpFrontend(config=config, core=core)
        http_frontend.routers = [actor.MopidyHttpRouter]

        return tornado.web.Application(http_frontend._get_request_handlers())

    def test_root_should_return_index(self):
        response = self.fetch('/', method='GET')

        self.assertIn(
            'Static content serving',
            tornado.escape.to_unicode(response.body))
        self.assertEqual(
            response.headers['X-Mopidy-Version'], mopidy.__version__)
        self.assertEqual(response.headers['Cache-Control'], 'no-cache')

    def test_mopidy_should_return_index(self):
        response = self.fetch('/mopidy/', method='GET')

        self.assertIn(
            'Here you can see events arriving from Mopidy in real time:',
            tornado.escape.to_unicode(response.body))
        self.assertEqual(
            response.headers['X-Mopidy-Version'], mopidy.__version__)
        self.assertEqual(response.headers['Cache-Control'], 'no-cache')

    def test_should_return_js(self):
        response = self.fetch('/mopidy/mopidy.js', method='GET')

        self.assertIn(
            'function Mopidy',
            tornado.escape.to_unicode(response.body))
        self.assertEqual(
            response.headers['X-Mopidy-Version'], mopidy.__version__)
        self.assertEqual(response.headers['Cache-Control'], 'no-cache')

    def test_should_return_ws(self):
        response = self.fetch('/mopidy/ws', method='GET')

        self.assertEqual(
            'Can "Upgrade" only to "WebSocket".',
            tornado.escape.to_unicode(response.body))

    def test_should_return_ws_old(self):
        response = self.fetch('/mopidy/ws/', method='GET')

        self.assertEqual(
            'Can "Upgrade" only to "WebSocket".',
            tornado.escape.to_unicode(response.body))

    def test_should_return_rpc_error(self):
        cmd = tornado.escape.json_encode({'action': 'get_version'})

        response = self.fetch('/mopidy/rpc', method='POST', body=cmd)

        self.assertEqual(
            {'jsonrpc': '2.0', 'id': None, 'error':
                {'message': 'Invalid Request', 'code': -32600,
                 'data': '"jsonrpc" member must be included'}},
            tornado.escape.json_decode(response.body))

    def test_should_return_parse_error(self):
        cmd = '{[[[]}'

        response = self.fetch('/mopidy/rpc', method='POST', body=cmd)

        self.assertEqual(
            {'jsonrpc': '2.0', 'id': None, 'error':
                {'message': 'Parse error', 'code': -32700}},
            tornado.escape.json_decode(response.body))

    def test_should_return_mopidy_version(self):
        cmd = tornado.escape.json_encode({
            'method': 'core.get_version',
            'params': [],
            'jsonrpc': '2.0',
            'id': 1,
        })

        response = self.fetch('/mopidy/rpc', method='POST', body=cmd)

        self.assertEqual(
            {'jsonrpc': '2.0', 'id': 1, 'result': mopidy.__version__},
            tornado.escape.json_decode(response.body))

    def test_should_return_extra_headers(self):
        response = self.fetch('/mopidy/rpc', method='HEAD')

        self.assertIn('Accept', response.headers)
        self.assertIn('X-Mopidy-Version', response.headers)
        self.assertIn('Cache-Control', response.headers)
        self.assertIn('Content-Type', response.headers)