"""API-ключи (#4) и журнал окон и запросов (#17)."""
import argparse
import asyncio
import uuid

import pytest
from sqlalchemy import select

from db import cli, clients
from db.engine import connect as connect_db
from db.models import Client, Request, Window

from .conftest import FakeSession

URL = "https://example.com"


def rows(env, model):
	async def query():
		async with env.db.session() as session:
			return list(await session.scalars(select(model).order_by(model.id)))
	return env.call(query)


def new_key(env, name="other"):
	return env.call(clients.create_client, env.db, name)[1]


@pytest.mark.parametrize("request_", [
	("post", "/v1/solve", {"url": URL, "actions": []}),
	("post", "/v2/tasks", {"url": URL, "actions": []}),
	("get", f"/v2/tasks/{uuid.uuid4()}", None),
	("delete", "/v2/sessions/current", None),
])
@pytest.mark.parametrize("key", [None, "", "rbx_wrong"])
def test_requests_without_valid_key_rejected(env, request_, key):
	method, path, body = request_
	headers = {"X-API-Key": key} if key is not None else {}
	env.client.headers.pop("X-API-Key")
	resp = env.client.request(method, path, json=body, headers=headers)
	assert resp.status_code == 401
	assert env.messages == []


def test_health_is_open(env):
	env.client.headers.pop("X-API-Key")
	assert env.client.get("/health").status_code == 200


def test_revoked_key_rejected(env):
	assert env.client.post("/v1/solve", json={"url": URL, "actions": []}).status_code == 200
	assert env.call(clients.revoke, env.db, 1)
	assert env.client.post("/v1/solve", json={"url": URL, "actions": []}).status_code == 401


def test_no_clients_means_no_access(env):
	env.call(clients.revoke, env.db, 1)
	assert [c.revoked_at is not None for c in rows(env, Client)] == [True]
	assert env.client.post("/v2/tasks", json={"url": URL, "actions": []}).status_code == 401


def test_last_access_tracked(env):
	assert rows(env, Client)[0].last_access_at is None
	env.client.post("/v2/tasks", json={"url": URL, "actions": []})
	assert rows(env, Client)[0].last_access_at is not None


def test_task_and_window_visible_only_to_their_client(env):
	task_id = env.client.post("/v2/tasks", json={"url": URL, "actions": [], "browser_idle_timeout": 5}).json()["task_id"]
	other = {"X-API-Key": new_key(env)}

	# та же cookie сессии, но другой ключ: задача и окно — как чужие
	assert env.client.get(f"/v2/tasks/{task_id}", headers=other).status_code == 404
	assert env.client.post("/v2/tasks", json={"actions": []}, headers=other).status_code == 422
	assert env.client.delete("/v2/sessions/current", headers=other).json() == {"closed": False}
	assert env.pool.used == 1

	assert env.client.get(f"/v2/tasks/{task_id}").json()["status"] == "done"
	assert env.client.delete("/v2/sessions/current").json() == {"closed": True}


def test_journal_request_and_window(env):
	env.client.post("/v2/tasks", json={
		"url": URL, "proxy": "http://user:TopSecret1@host:3128", "captcha": "KEYSECRET2",
		"actions": [{"type": "typing", "selector": "#p", "value": "PassSecret3"}],
	})
	env.client.post("/v1/solve", json={"url": URL, "actions": []})

	requests = rows(env, Request)
	assert [(r.api, r.status, r.client_id) for r in requests] == [("v2", "ok", 1), ("v1", "ok", 1)]
	for r in requests:
		assert r.created_at <= r.started_at <= r.finished_at
		assert r.duration_ms is not None and r.window_id is not None
	data = str(requests[0].task_data)
	assert requests[0].task_data["url"] == URL
	for secret in ("user", "TopSecret1", "KEYSECRET2", "PassSecret3"):
		assert secret not in data

	windows = rows(env, Window)
	assert len(windows) == 2
	assert all(w.closed_at is not None and w.started_at <= w.closed_at for w in windows)
	assert [w.task_id for w in windows] == [r.task_id for r in requests]


def test_journal_held_window(env):
	for body in ({"url": URL, "browser_idle_timeout": 5}, {"browser_idle_timeout": 5}):
		env.client.post("/v2/tasks", json={"actions": [], **body})
	window, = rows(env, Window)
	assert window.closed_at is None and window.last_access_at > window.started_at
	assert {r.window_id for r in rows(env, Request)} == {window.id}

	env.client.delete("/v2/sessions/current")
	assert rows(env, Window)[0].closed_at is not None


def test_journal_failed_request(env):
	FakeSession.error = RuntimeError("net::ERR_PROXY_CONNECTION_FAILED")
	env.client.post("/v2/tasks", json={"url": URL, "actions": []})
	request, = rows(env, Request)
	assert (request.status, request.code) == ("err", "request_failed")


def test_journal_failure_does_not_break_task(env, monkeypatch):
	class DownDatabase:
		def session(self):
			raise RuntimeError("db is down")
	monkeypatch.setattr(env.pool.journal, "db", DownDatabase())
	task_id = env.client.post("/v2/tasks", json={"url": URL, "actions": []}).json()["task_id"]
	assert env.client.get(f"/v2/tasks/{task_id}").json()["result"]["status"] == "ok"


def test_cli_create_list_revoke(monkeypatch, tmp_path, capsys):
	monkeypatch.setenv("DATABASE_URL", f"sqlite+aiosqlite:///{tmp_path / 'cli.db'}")
	asyncio.run(cli.run(argparse.Namespace(command="create", name="acme")))
	key = capsys.readouterr().out.strip().splitlines()[-1]
	assert key.startswith(clients.KEY_PREFIX)

	asyncio.run(cli.run(argparse.Namespace(command="list")))
	listing = capsys.readouterr().out
	assert "acme" in listing and "active" in listing and key not in listing

	asyncio.run(cli.run(argparse.Namespace(command="revoke", id=1)))
	assert capsys.readouterr().out.strip() == "revoked"

	asyncio.run(cli.run(argparse.Namespace(command="stats", days=7)))
	assert "запросов не было" in capsys.readouterr().out

	async def check():
		db = connect_db()
		try:
			return await clients.authenticate(db, key)
		finally:
			await db.close()
	assert asyncio.run(check()) is None


def test_usage_stats(env, monkeypatch):
	from api import actions as api_actions
	from db import stats

	from .conftest import fake_execute

	env.client.post("/v2/tasks", json={"url": URL, "actions": [], "browser_idle_timeout": 5})
	env.client.post("/v2/tasks", json={"actions": []})  # в открытом окне, после неё окно закрывается
	monkeypatch.setattr(api_actions, "execute", fake_execute(exc=api_actions.ChallengeFailed("cf")))
	env.client.post("/v1/solve", json={"url": URL, "actions": []})

	other = {"X-API-Key": new_key(env, "acme")}
	env.client.cookies.clear()
	monkeypatch.setattr(api_actions, "execute", fake_execute())
	env.client.post("/v1/solve", json={"url": URL, "actions": []}, headers=other)

	usage = {u.name: u for u in env.call(stats.usage, env.db, stats.since_days(1))}
	test, acme = usage["test"], usage["acme"]
	assert (test.requests, test.ok, test.errors, test.windows) == (3, 2, {"challenge_failed": 1}, 2)
	assert (acme.requests, acme.ok, acme.windows) == (1, 1, 1)
	assert test.avg_ms is not None and test.p95_ms is not None
	assert test.browser_seconds > 0
	# все окна закрыты: время браузера больше не растёт
	again = {u.name: u.browser_seconds for u in env.call(stats.usage, env.db, stats.since_days(1))}
	assert again == {name: u.browser_seconds for name, u in usage.items()}
	# период фильтрует запросы и окна
	assert env.call(stats.usage, env.db, stats.since_days(-1)) == []