import time

import pytest

from webob import Request, Response
from webob.client import SendRequest
from webob.dec import wsgify


@wsgify
def simple_app(req):
    data = {"headers": dict(req.headers), "body": req.text, "method": req.method}
    return Response(json=data)


@pytest.mark.usefixtures("serve")
def test_client(serve, client_app=None):
    with serve(simple_app) as server:
        req = Request.blank(
            server.url, method="POST", content_type="application/json", json={"test": 1}
        )
        resp = req.send(client_app)
        assert resp.status_code == 200, resp.status
        assert resp.json["headers"]["Content-Type"] == "application/json"
        assert resp.json["method"] == "POST"
        # Test that these values get filled in:
        del req.environ["SERVER_NAME"]
        del req.environ["SERVER_PORT"]
        resp = req.send(client_app)
        assert resp.status_code == 200, resp.status
        req = Request.blank(server.url)
        del req.environ["SERVER_NAME"]
        del req.environ["SERVER_PORT"]
        assert req.send(client_app).status_code == 200
        req.headers["Host"] = server.url.replace("http://", "")
        del req.environ["SERVER_NAME"]
        del req.environ["SERVER_PORT"]
        resp = req.send(client_app)
        assert resp.status_code == 200, resp.status
        del req.environ["SERVER_NAME"]
        del req.environ["SERVER_PORT"]
        del req.headers["Host"]
        assert req.environ.get("SERVER_NAME") is None
        assert req.environ.get("SERVER_PORT") is None
        assert req.environ.get("HTTP_HOST") is None
        with pytest.raises(ValueError):
            req.send(client_app)
        req = Request.blank(server.url)
        req.environ["CONTENT_LENGTH"] = "not a number"
        assert req.send(client_app).status_code == 200


def no_length_app(environ, start_response):
    start_response("200 OK", [("Content-type", "text/plain")])
    return [b"ok"]


@pytest.mark.usefixtures("serve")
def test_no_content_length(serve, client_app=None):
    with serve(no_length_app) as server:
        req = Request.blank(server.url)
        resp = req.send(client_app)
        assert resp.status_code == 200, resp.status


@wsgify
def cookie_app(req):
    resp = Response("test")
    resp.headers.add("Set-Cookie", "a=b")
    resp.headers.add("Set-Cookie", "c=d")
    resp.headerlist.append(("X-Crazy", "value\r\n  continuation"))
    return resp


@pytest.mark.usefixtures("serve")
def test_client_cookies(serve, client_app=None):
    with serve(cookie_app) as server:
        req = Request.blank(server.url + "/?test")
        resp = req.send(client_app)
        assert resp.headers.getall("Set-Cookie") == ["a=b", "c=d"]
        assert resp.headers["X-Crazy"] == "value, continuation", repr(
            resp.headers["X-Crazy"]
        )


@wsgify
def slow_app(req):
    time.sleep(2)
    return Response("ok")


@pytest.mark.usefixtures("serve")
def test_client_slow(serve, client_app=None):
    if client_app is None:
        client_app = SendRequest()
    if not client_app._timeout_supported(client_app.HTTPConnection):
        # timeout isn't supported
        return
    with serve(slow_app) as server:
        req = Request.blank(server.url)
        req.environ["webob.client.timeout"] = 0.1
        resp = req.send(client_app)
        assert resp.status_code == 504, resp.status