import devplacepy.main as m
from starlette.testclient import TestClient


def _patch_limits(monkeypatch, limit, window=60):
    def fake_get_int_setting(key, default):
        return {"rate_limit_per_minute": limit, "rate_limit_window_seconds": window}.get(key, default)
    monkeypatch.setattr(m, "get_int_setting", fake_get_int_setting)
    m._rate_limit_store.clear()


def test_rate_limit_blocks_excess(monkeypatch):
    _patch_limits(monkeypatch, 3)
    client = TestClient(m.app)
    codes = [client.post("/", headers={"X-Real-IP": "9.9.9.9"}).status_code for _ in range(6)]
    assert 429 in codes, codes
    assert codes[-1] == 429


def test_rate_limit_is_per_ip(monkeypatch):
    _patch_limits(monkeypatch, 2)
    client = TestClient(m.app)
    for _ in range(2):
        client.post("/", headers={"X-Real-IP": "1.1.1.1"})
    blocked = client.post("/", headers={"X-Real-IP": "1.1.1.1"}).status_code
    other_ip = client.post("/", headers={"X-Real-IP": "2.2.2.2"}).status_code
    assert blocked == 429
    assert other_ip != 429


def test_get_requests_not_rate_limited(monkeypatch):
    _patch_limits(monkeypatch, 2)
    client = TestClient(m.app)
    codes = [client.get("/robots.txt", headers={"X-Real-IP": "3.3.3.3"}).status_code for _ in range(5)]
    assert all(c == 200 for c in codes), codes


def test_rate_limit_reads_configured_setting(monkeypatch):
    _patch_limits(monkeypatch, 1)
    client = TestClient(m.app)
    first = client.post("/", headers={"X-Real-IP": "7.7.7.7"}).status_code
    second = client.post("/", headers={"X-Real-IP": "7.7.7.7"}).status_code
    assert first != 429
    assert second == 429