"""Кольцевой буфер логов и SSE-страница."""

import logging

import pytest
from fastapi.testclient import TestClient

from onguard24 import log_buffer


def test_ring_buffer_captures_log_records() -> None:
    log_buffer._ring.clear()
    handler = log_buffer.RingBufferHandler()
    handler.setFormatter(logging.Formatter("%(name)s %(message)s"))
    logger = logging.getLogger("test.ring")
    logger.addHandler(handler)
    logger.setLevel(logging.DEBUG)
    try:
        logger.info("hello ring")
        history = log_buffer.get_history()
        assert any("hello ring" in e["msg"] for e in history)
    finally:
        logger.removeHandler(handler)
        log_buffer._ring.clear()


def test_logs_page_returns_html(client: TestClient) -> None:
    r = client.get("/ui/logs")
    assert r.status_code == 200
    assert "text/html" in r.headers.get("content-type", "")
    assert "Логи" in r.text
    assert "log-wrap" in r.text
    assert "EventSource" in r.text or "event-stream" in r.text or "ui/logs/stream" in r.text


def test_logs_page_in_nav_rail(client: TestClient) -> None:
    r = client.get("/ui/logs")
    assert r.status_code == 200
    assert "/ui/logs" in r.text


def test_root_has_logs_link(client: TestClient) -> None:
    r = client.get("/")
    assert r.status_code == 200
    assert "/ui/logs" in r.text