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"""Tests for Crown Commend endpoints."""

from __future__ import annotations

from fastapi.testclient import TestClient


def test_commend_health(client: TestClient) -> None:
    """Commend health endpoint should return status information."""
    response = client.get("/api/commend/health")
    assert response.status_code == 200
    data = response.json()
    assert "status" in data
    assert "geminiConfigured" in data
    assert "youtubeConfigured" in data


def test_commend_styles(client: TestClient) -> None:
    """Styles endpoint should return available comment styles."""
    response = client.get("/api/commend/styles")
    assert response.status_code == 200
    data = response.json()
    assert "styles" in data
    assert len(data["styles"]) > 0


def test_commend_generate_rejects_invalid_url(client: TestClient) -> None:
    """Generate endpoint should reject a non-YouTube URL."""
    response = client.post(
        "/api/commend/generate",
        json={
            "videoUrl": "https://example.com",
            "language": "English",
            "commentStyle": "supportive",
        },
    )
    # 400 (invalid url), 401 (auth), 422 (validation), 503 (auth not configured)
    assert response.status_code in (400, 401, 422, 429, 503)


def test_commend_generate_rejects_empty_url(client: TestClient) -> None:
    """Generate endpoint should reject empty URL."""
    response = client.post(
        "/api/commend/generate",
        json={
            "videoUrl": "",
            "language": "English",
            "commentStyle": "supportive",
        },
    )
    # 422 (Pydantic min_length), 401 (auth), 503 (auth not configured)
    assert response.status_code in (401, 422, 429, 503)


def test_commend_post_disabled_by_default(client: TestClient) -> None:
    """Post endpoint should be disabled by default (feature flag)."""
    response = client.post(
        "/api/commend/post",
        json={
            "videoUrl": "https://www.youtube.com/watch?v=dQw4w9WgXcQ",
            "commentText": "Test comment",
        },
    )
    # 401 (auth), 403 (feature flag disabled), 503 (auth not configured)
    assert response.status_code in (401, 403, 429, 503)


def test_commend_post_error_envelope_format(client: TestClient) -> None:
    """Error responses should use {code, message} envelope format."""
    response = client.post(
        "/api/commend/post",
        json={
            "videoUrl": "https://www.youtube.com/watch?v=dQw4w9WgXcQ",
            "commentText": "Test comment",
        },
    )
    if response.status_code in (401, 403, 503):
        data = response.json()
        detail = data.get("detail", {})
        if isinstance(detail, dict):
            assert "code" in detail
            assert "message" in detail


def test_commend_auth_fail_closed_without_key(client: TestClient) -> None:
    """Without COMMEND_API_KEY set, protected endpoints should reject (fail-closed)."""
    response = client.post(
        "/api/commend/generate",
        json={
            "videoUrl": "https://www.youtube.com/watch?v=dQw4w9WgXcQ",
            "language": "English",
            "commentStyle": "supportive",
        },
    )
    # With COMMEND_REQUIRE_AUTH=true (default) and no key, expect 429 or 503
    assert response.status_code in (429, 503)


def test_commend_rate_limit_independent_of_auth(client: TestClient) -> None:
    """Rate limiting should apply regardless of auth configuration."""
    # Send multiple rapid requests — rate limit should apply even without auth key
    statuses = []
    for _ in range(15):
        response = client.post(
            "/api/commend/generate",
            json={
                "videoUrl": "https://www.youtube.com/watch?v=dQw4w9WgXcQ",
                "language": "English",
                "commentStyle": "supportive",
            },
        )
        statuses.append(response.status_code)
    # Should see at least one 429 in the batch (rate limit is 10/min)
    assert 429 in statuses, f"Expected 429 in statuses but got: {set(statuses)}"