"""MCP server API 测试（respx mock MCP server HTTP）。"""

from collections.abc import AsyncGenerator

import httpx
import pytest
import respx
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


@pytest.mark.asyncio
@respx.mock
async def test_register_mcp_server(client: AsyncClient) -> None:
    jrpc_result = {
        "jsonrpc": "2.0",
        "id": 1,
        "result": {"tools": [{"name": "weather", "description": "查天气"}]},
    }
    respx.post("http://mcp.local/").mock(return_value=httpx.Response(200, json=jrpc_result))
    resp = await client.post(
        "/api/v1/tools/mcp-servers",
        json={"name": "weather-srv", "endpoint_url": "http://mcp.local"},
    )
    assert resp.status_code == 201
    data = resp.json()
    assert data["name"] == "weather-srv"
    assert data["has_auth_token"] is False
    assert len(data["tools"]) == 1
    assert data["tools"][0]["name"] == "weather"


@pytest.mark.asyncio
@respx.mock
async def test_list_and_delete_mcp_server(client: AsyncClient) -> None:
    jrpc_result = {"jsonrpc": "2.0", "id": 1, "result": {"tools": []}}
    respx.post("http://mcp.local/").mock(return_value=httpx.Response(200, json=jrpc_result))
    create = await client.post(
        "/api/v1/tools/mcp-servers",
        json={"name": "srv", "endpoint_url": "http://mcp.local"},
    )
    sid = create.json()["id"]

    listed = await client.get("/api/v1/tools/mcp-servers")
    assert listed.status_code == 200
    assert len(listed.json()) == 1

    deleted = await client.delete(f"/api/v1/tools/mcp-servers/{sid}")
    assert deleted.status_code == 204

    listed2 = await client.get("/api/v1/tools/mcp-servers")
    assert listed2.json() == []


@pytest.mark.asyncio
@respx.mock
async def test_register_duplicate_conflict(client: AsyncClient) -> None:
    jrpc_result = {"jsonrpc": "2.0", "id": 1, "result": {"tools": []}}
    respx.post("http://mcp.local/").mock(return_value=httpx.Response(200, json=jrpc_result))
    await client.post(
        "/api/v1/tools/mcp-servers",
        json={"name": "dup", "endpoint_url": "http://mcp.local"},
    )
    resp = await client.post(
        "/api/v1/tools/mcp-servers",
        json={"name": "dup", "endpoint_url": "http://mcp.local"},
    )
    assert resp.status_code == 409
    assert resp.json()["error"]["code"] == "conflict"