"""/v2: задачи через очередь, доступ по cookie сессии, удержание окна и маршрутизация в него (#80–#83)."""
import uuid

import pytest

from tasks import store as task_store
from tasks.broker import COMMON_QUEUE, personal_queue
from worker.windows import Outcome

from .conftest import FakeSession, WORKER_ID


def create(env, **body):
	return env.client.post("/v2/tasks", json={"actions": [], **body})


def get(env, task_id):
	return env.client.get(f"/v2/tasks/{task_id}")


def session_key(sid):
	return f"{task_store.PREFIX}:session:{sid}"


def test_create_and_get_result(env):
	resp = create(env, url="https://example.com", html=True)
	assert resp.status_code == 202
	body = resp.json()
	assert body["status"] == "queued" and body["url"] == f"/v2/tasks/{body['task_id']}"
	assert env.messages[0].queue_name == COMMON_QUEUE

	task = get(env, body["task_id"]).json()
	assert task["status"] == "done"
	assert task["result"]["status"] == "ok"
	assert task["result"]["html"] == "<body>page</body>"
	assert task["result"]["user_agent"] == "UA/engine"


def test_queued_until_worker_takes_it(env):
	env.auto = False
	task_id = create(env, url="https://example.com").json()["task_id"]
	assert get(env, task_id).json() == {"task_id": task_id, "status": "queued"}
	env.deliver_pending()
	assert get(env, task_id).json()["status"] == "done"


@pytest.mark.parametrize("cookie", [None, "other", "garbage"])
def test_task_visible_only_to_its_session(env, cookie):
	task_id = create(env, url="https://example.com").json()["task_id"]
	env.client.cookies.clear()
	if cookie:
		env.client.cookies.set("session_id", str(uuid.uuid4()) if cookie == "other" else cookie)
	assert get(env, task_id).status_code == 404


@pytest.mark.parametrize("task_id", [str(uuid.uuid4()), "../etc", "x"])
def test_unknown_task_404(env, task_id):
	create(env, url="https://example.com")
	assert get(env, task_id).status_code == 404


def test_result_ttl(env):
	task_id = create(env, url="https://example.com").json()["task_id"]
	ttl = env.redis.ttl(f"{task_store.PREFIX}:task:{task_id}")
	assert task_store.RESULT_TTL - 5 < ttl <= task_store.RESULT_TTL


def test_url_required_without_window(env):
	resp = create(env)
	assert resp.status_code == 422
	assert "no open browser window" in resp.text
	assert env.messages == []


@pytest.mark.parametrize("value", [-1, 121])
def test_idle_timeout_range(env, value):
	assert create(env, url="https://example.com", browser_idle_timeout=value).status_code == 422


def test_window_closed_by_default(env):
	create(env, url="https://example.com")
	sid = env.client.cookies["session_id"]
	assert env.pool.windows == {} and env.pool.used == 0
	assert FakeSession.instances[0].closed
	assert not env.redis.exists(session_key(sid))


def test_window_held_and_reused(env):
	create(env, url="https://example.com", browser_idle_timeout=5)
	sid = env.client.cookies["session_id"]
	engine = FakeSession.instances[0]
	assert not engine.closed and env.pool.used == 1
	window = env.redis.hgetall(session_key(sid))
	assert (window["worker_id"], window["idle_timeout"], window["client_id"]) == (WORKER_ID, "5", "1")
	assert 290 < env.redis.ttl(session_key(sid)) <= 300

	# следующая задача сессии — в персональную очередь воркера с окном, без url — на текущей странице
	task_id = create(env, browser_idle_timeout=2).json()["task_id"]
	assert env.messages[-1].queue_name == personal_queue(WORKER_ID)
	assert get(env, task_id).json()["result"]["status"] == "ok"
	assert FakeSession.instances == [engine]
	assert engine.calls == [("fetch", "https://example.com"), ("run", None)]
	# простой продлён значением из последней задачи
	assert 110 < env.redis.ttl(session_key(sid)) <= 120

	# задача с browser_idle_timeout=0 закрывает окно после себя
	create(env, url="https://example.com/next")
	assert engine.closed and env.pool.used == 0
	assert not env.redis.exists(session_key(sid))


def test_cookies_replace_in_open_window(env):
	create(env, url="https://example.com", browser_idle_timeout=5)
	create(env, browser_idle_timeout=5, cookies=[{"name": "a", "value": "1", "url": "https://example.com"}])
	create(env, browser_idle_timeout=5)
	assert FakeSession.instances[0].context.ops == [
		"clear", ("add", [{"name": "a", "value": "1", "url": "https://example.com"}]),
	]


def test_proxy_change_restarts_window(env):
	create(env, url="https://example.com", browser_idle_timeout=5)
	create(env, url="https://example.com", browser_idle_timeout=5, proxy="http://host:3128")
	first, second = FakeSession.instances
	assert first.closed and not second.closed
	assert second.kwargs["proxy"] == {"server": "http://host:3128"}
	assert env.pool.used == 1


def test_failure_in_window_closes_it(env):
	create(env, url="https://example.com", browser_idle_timeout=5)
	sid = env.client.cookies["session_id"]
	FakeSession.error = RuntimeError("net::ERR_TIMED_OUT")
	task_id = create(env, url="https://example.com", browser_idle_timeout=5).json()["task_id"]
	assert get(env, task_id).json()["result"]["code"] == "request_failed"
	assert FakeSession.instances[0].closed and env.pool.used == 0
	assert not env.redis.exists(session_key(sid))


def test_idle_window_expires(env):
	create(env, url="https://example.com", browser_idle_timeout=5)
	sid = env.client.cookies["session_id"]
	env.call(env.pool.expire_idle)
	assert env.pool.used == 1

	env.redis.delete(session_key(sid))  # TTL истёк
	env.call(env.pool.expire_idle)
	assert env.pool.used == 0 and FakeSession.instances[0].closed


def test_delete_session_closes_window(env):
	create(env, url="https://example.com", browser_idle_timeout=5)
	sid = env.client.cookies["session_id"]
	assert env.client.delete("/v2/sessions/current").json() == {"closed": True}
	assert env.messages[-1].actor_name == "close_window"
	assert env.messages[-1].queue_name == personal_queue(WORKER_ID)
	assert FakeSession.instances[0].closed and env.pool.used == 0
	assert not env.redis.exists(session_key(sid))
	assert env.client.delete("/v2/sessions/current").json() == {"closed": False}


def test_open_windows_take_slots(env):
	for _ in range(2):
		env.client.cookies.clear()
		create(env, url="https://example.com", browser_idle_timeout=5)
	assert env.pool.used == 2

	env.client.cookies.clear()
	create(env, url="https://example.com")
	assert env.outcomes[-1] == Outcome.NO_SLOT
	# /v1/solve без окна при занятых слотах — сразу 503, как раньше
	env.client.cookies.clear()
	assert env.client.post("/v1/solve", json={"url": "https://example.com", "actions": []}).status_code == 503


def test_dead_worker_window_goes_to_common_queue(env):
	create(env, url="https://example.com", browser_idle_timeout=5)
	env.redis.delete(f"{task_store.PREFIX}:worker:{WORKER_ID}")
	env.auto = False
	create(env, url="https://example.com")
	assert env.messages[-1].queue_name == COMMON_QUEUE


def test_old_profiles_cleaned_up(env):
	"""#20: профили старше PROFILE_TTL_DAYS удаляются, кроме тех, где открыто окно."""
	import os
	import time

	from worker.windows import LAST_USED_FILE

	create(env, url="https://example.com", browser_idle_timeout=5)
	held = env.client.cookies["session_id"]
	elsewhere, old, fresh = (str(uuid.uuid4()) for _ in range(3))
	env.redis.hset(session_key(elsewhere), mapping={"worker_id": "w2", "idle_timeout": 5})

	long_ago = time.time() - 8 * 86400
	for sid in (held, elsewhere, old, fresh, "not-a-session"):
		(env.profiles / sid).mkdir(exist_ok=True)
		marker = env.profiles / sid / LAST_USED_FILE
		marker.touch()
		if sid != fresh:
			os.utime(marker, (long_ago, long_ago))

	assert env.call(env.pool.cleanup_profiles) == [old]
	assert sorted(p.name for p in env.profiles.iterdir()) == sorted([held, elsewhere, fresh, "not-a-session"])


def test_profile_marked_as_used(env):
	from worker.windows import LAST_USED_FILE

	create(env, url="https://example.com")
	assert (env.profiles / env.client.cookies["session_id"] / LAST_USED_FILE).exists()