from flask.wrappers import Request, Response
import pytest
from werkzeug.routing import Map, Rule, Subdomain
from werkzeug.test import create_environ


@pytest.fixture
def environ_factory():
    return create_environ


@pytest.fixture
def map():
    return Map([
        # Static URLs
        Rule('/', endpoint='static/index'),
        Rule('/about', endpoint='static/about'),
        Rule('/help', endpoint='static/help'),
        # Knowledge Base
        Subdomain('kb', [
            Rule('/', endpoint='kb/index'),
            Rule('/browse/', endpoint='kb/browse'),
            Rule('/browse/<int:id>/', endpoint='kb/browse'),
            Rule('/browse/<int:id>/<int:page>', endpoint='kb/browse')
        ])
    ], default_subdomain='www')


@pytest.fixture
def request_factory(map, environ_factory):
    server_name = 'localhost'

    def create_request(method, path, subdomain=None, query_string=None):
        environ = environ_factory(query_string=query_string)
        req = Request(environ)
        urls = map.bind_to_environ(
            environ, server_name=server_name, subdomain=subdomain)
        req.url_rule, req.view_args = urls.match(
            path, method, return_rule=True)
        return req
    return create_request


@pytest.fixture
def response_factory():
    def create_response(
            data, status_code=200, content_type='application/json'):
        return Response(data, status=status_code, content_type=content_type)
    return create_response