"""模型网关 endpoint 覆盖 API 测试（api-spec §4.4，DB 优先于 .env/yaml）。"""

from collections.abc import AsyncGenerator

import pytest
from httpx import ASGITransport, AsyncClient

from app.main import app


@pytest.fixture
async def client() -> AsyncGenerator[AsyncClient, None]:
    transport = ASGITransport(app=app)
    async with AsyncClient(transport=transport, base_url="http://test") as http_client:
        yield http_client


def _first_endpoint(gateway: dict) -> tuple[str, str]:
    model = gateway["models"][0]
    return model["name"], model["endpoints"][0]["name"]


@pytest.mark.asyncio
async def test_list_models_has_endpoint_override_fields(client: AsyncClient) -> None:
    resp = await client.get("/api/v1/settings/models")
    assert resp.status_code == 200
    ep = resp.json()["models"][0]["endpoints"][0]
    assert "priority" in ep
    assert "is_overridden" in ep
    assert "has_url_override" in ep
    assert "has_key_override" in ep
    assert ep["is_overridden"] is False


@pytest.mark.asyncio
async def test_patch_endpoint_status_override(client: AsyncClient) -> None:
    gateway = (await client.get("/api/v1/settings/models")).json()
    model, endpoint = _first_endpoint(gateway)

    resp = await client.patch(
        f"/api/v1/settings/models/{model}/endpoints/{endpoint}",
        json={"status": "inactive"},
    )
    assert resp.status_code == 200
    body = resp.json()
    assert body["is_overridden"] is True
    assert body["status"] == "inactive"

    # GET 反映覆盖
    gateway2 = (await client.get("/api/v1/settings/models")).json()
    eps = [m for m in gateway2["models"] if m["name"] == model][0]["endpoints"]
    ep = [e for e in eps if e["name"] == endpoint][0]
    assert ep["is_overridden"] is True
    assert ep["status"] == "inactive"


@pytest.mark.asyncio
async def test_patch_endpoint_key_override_redacted(client: AsyncClient) -> None:
    gateway = (await client.get("/api/v1/settings/models")).json()
    model, endpoint = _first_endpoint(gateway)

    resp = await client.patch(
        f"/api/v1/settings/models/{model}/endpoints/{endpoint}",
        json={"api_key": "sk-test-secret-value"},
    )
    assert resp.status_code == 200
    assert resp.json()["has_key_override"] is True
    # 脱敏：响应体不含 api_key 原值
    assert "sk-test-secret-value" not in resp.text


@pytest.mark.asyncio
async def test_patch_endpoint_not_found(client: AsyncClient) -> None:
    resp = await client.patch(
        "/api/v1/settings/models/no_such_model/endpoints/primary",
        json={"status": "inactive"},
    )
    assert resp.status_code == 404