use super::{
    any, build_router, build_router_with_execution_runtime_override, json, start_server, Arc, Body,
    Bytes, HeaderName, HeaderValue, Infallible, Json, Mutex, Request, Response, Router, StatusCode,
    CONTROL_EXECUTED_HEADER, CONTROL_EXECUTE_FALLBACK_HEADER, DEPENDENCY_REASON_HEADER,
    EXECUTION_PATH_HEADER, EXECUTION_PATH_LOCAL_EXECUTION_RUNTIME_MISS, TRACE_ID_HEADER,
};

#[tokio::test]
async fn gateway_locally_denies_sync_ai_control_execute_when_opted_in_and_execution_runtime_missing(
) {
    let execute_hits = Arc::new(Mutex::new(0usize));
    let execute_hits_clone = Arc::clone(&execute_hits);
    let public_hits = Arc::new(Mutex::new(0usize));
    let public_hits_clone = Arc::clone(&public_hits);
    let public_execution_path = Arc::new(Mutex::new(None::<String>));
    let public_execution_path_clone = Arc::clone(&public_execution_path);

    let upstream = Router::new()
        .route(
            "/api/internal/gateway/resolve",
            any(|_request: Request| async move {
                Json(json!({
                    "action": "proxy_public",
                    "route_class": "ai_public",
                    "route_family": "openai",
                    "route_kind": "chat",
                    "auth_endpoint_signature": "openai:chat",
                    "execution_runtime_candidate": true,
                    "auth_context": {
                        "user_id": "user-sync-123",
                        "api_key_id": "key-sync-123",
                        "access_allowed": true
                    },
                    "public_path": "/v1/chat/completions"
                }))
            }),
        )
        .route(
            "/api/internal/gateway/execute-sync",
            any(move |_request: Request| {
                let execute_hits_inner = Arc::clone(&execute_hits_clone);
                async move {
                    *execute_hits_inner.lock().expect("mutex should lock") += 1;
                    let mut response = Response::builder()
                        .status(StatusCode::CREATED)
                        .body(Body::from("{\"ok\":true}"))
                        .expect("response should build");
                    response.headers_mut().insert(
                        http::header::CONTENT_TYPE,
                        HeaderValue::from_static("application/json"),
                    );
                    response.headers_mut().insert(
                        HeaderName::from_static(CONTROL_EXECUTED_HEADER),
                        HeaderValue::from_static("true"),
                    );
                    response
                }
            }),
        )
        .route(
            "/v1/chat/completions",
            any(move |request: Request| {
                let public_hits_inner = Arc::clone(&public_hits_clone);
                let public_execution_path_inner = Arc::clone(&public_execution_path_clone);
                async move {
                    *public_hits_inner.lock().expect("mutex should lock") += 1;
                    *public_execution_path_inner
                        .lock()
                        .expect("mutex should lock") = Some(
                        request
                            .headers()
                            .get(EXECUTION_PATH_HEADER)
                            .and_then(|value| value.to_str().ok())
                            .unwrap_or_default()
                            .to_string(),
                    );
                    let mut response = Response::builder()
                        .status(StatusCode::OK)
                        .body(Body::from("{\"public\":true}"))
                        .expect("response should build");
                    response.headers_mut().insert(
                        http::header::CONTENT_TYPE,
                        HeaderValue::from_static("application/json"),
                    );
                    response
                }
            }),
        );

    let (upstream_url, upstream_handle) = start_server(upstream).await;
    let gateway = build_router().expect("gateway should build");
    let (gateway_url, gateway_handle) = start_server(gateway).await;

    let response = reqwest::Client::new()
        .post(format!("{gateway_url}/v1/chat/completions"))
        .header(http::header::CONTENT_TYPE, "application/json")
        .header(CONTROL_EXECUTE_FALLBACK_HEADER, "true")
        .header(TRACE_ID_HEADER, "trace-sync-123")
        .body("{\"model\":\"gpt-5\",\"messages\":[]}")
        .send()
        .await
        .expect("request should succeed");

    assert_eq!(response.status(), StatusCode::SERVICE_UNAVAILABLE);
    let execution_path = response
        .headers()
        .get(EXECUTION_PATH_HEADER)
        .and_then(|value| value.to_str().ok())
        .map(ToOwned::to_owned);
    let dependency_reason = response
        .headers()
        .get(DEPENDENCY_REASON_HEADER)
        .and_then(|value| value.to_str().ok())
        .map(ToOwned::to_owned);
    assert_eq!(dependency_reason.as_deref(), None);
    let payload: serde_json::Value = response.json().await.expect("body should parse");
    assert_eq!(
        execution_path.as_deref(),
        Some(EXECUTION_PATH_LOCAL_EXECUTION_RUNTIME_MISS)
    );
    assert_eq!(
        payload["error"]["message"],
        "请求缺少有效的用户或 API Key 认证上下文，无法选择上游提供商"
    );
    assert_eq!(*execute_hits.lock().expect("mutex should lock"), 0);
    assert_eq!(*public_hits.lock().expect("mutex should lock"), 0);
    assert_eq!(
        public_execution_path
            .lock()
            .expect("mutex should lock")
            .as_deref(),
        None
    );

    gateway_handle.abort();
    upstream_handle.abort();
}

#[tokio::test]
async fn gateway_locally_denies_stream_ai_control_execute_when_opted_in_and_execution_runtime_missing(
) {
    let execute_hits = Arc::new(Mutex::new(0usize));
    let execute_hits_clone = Arc::clone(&execute_hits);
    let public_hits = Arc::new(Mutex::new(0usize));
    let public_hits_clone = Arc::clone(&public_hits);
    let public_execution_path = Arc::new(Mutex::new(None::<String>));
    let public_execution_path_clone = Arc::clone(&public_execution_path);

    let upstream = Router::new()
        .route(
            "/api/internal/gateway/resolve",
            any(|_request: Request| async move {
                Json(json!({
                    "action": "proxy_public",
                    "route_class": "ai_public",
                    "route_family": "openai",
                    "route_kind": "chat",
                    "auth_endpoint_signature": "openai:chat",
                    "execution_runtime_candidate": true,
                    "auth_context": {
                        "user_id": "user-stream-123",
                        "api_key_id": "key-stream-123",
                        "access_allowed": true
                    },
                    "public_path": "/v1/chat/completions"
                }))
            }),
        )
        .route(
            "/api/internal/gateway/execute-stream",
            any(move |_request: Request| {
                let execute_hits_inner = Arc::clone(&execute_hits_clone);
                async move {
                    *execute_hits_inner.lock().expect("mutex should lock") += 1;
                    let stream = futures_util::stream::iter([
                        Ok::<_, Infallible>(Bytes::from_static(b"data: one\n\n")),
                        Ok::<_, Infallible>(Bytes::from_static(b"data: [DONE]\n\n")),
                    ]);
                    let mut response = Response::builder()
                        .status(StatusCode::OK)
                        .body(Body::from_stream(stream))
                        .expect("response should build");
                    response.headers_mut().insert(
                        http::header::CONTENT_TYPE,
                        HeaderValue::from_static("text/event-stream"),
                    );
                    response.headers_mut().insert(
                        HeaderName::from_static(CONTROL_EXECUTED_HEADER),
                        HeaderValue::from_static("true"),
                    );
                    response
                }
            }),
        )
        .route(
            "/v1/chat/completions",
            any(move |request: Request| {
                let public_hits_inner = Arc::clone(&public_hits_clone);
                let public_execution_path_inner = Arc::clone(&public_execution_path_clone);
                async move {
                    *public_hits_inner.lock().expect("mutex should lock") += 1;
                    *public_execution_path_inner
                        .lock()
                        .expect("mutex should lock") = Some(
                        request
                            .headers()
                            .get(EXECUTION_PATH_HEADER)
                            .and_then(|value| value.to_str().ok())
                            .unwrap_or_default()
                            .to_string(),
                    );
                    let mut response = Response::builder()
                        .status(StatusCode::OK)
                        .body(Body::from("data: {\"public\":true}\n\ndata: [DONE]\n\n"))
                        .expect("response should build");
                    response.headers_mut().insert(
                        http::header::CONTENT_TYPE,
                        HeaderValue::from_static("text/event-stream"),
                    );
                    response
                }
            }),
        );

    let (upstream_url, upstream_handle) = start_server(upstream).await;
    let gateway = build_router().expect("gateway should build");
    let (gateway_url, gateway_handle) = start_server(gateway).await;

    let response = reqwest::Client::new()
        .post(format!("{gateway_url}/v1/chat/completions"))
        .header(http::header::CONTENT_TYPE, "application/json")
        .header(CONTROL_EXECUTE_FALLBACK_HEADER, "true")
        .header(TRACE_ID_HEADER, "trace-stream-123")
        .body("{\"model\":\"gpt-5\",\"messages\":[],\"stream\":true}")
        .send()
        .await
        .expect("request should succeed");

    assert_eq!(response.status(), StatusCode::SERVICE_UNAVAILABLE);
    let execution_path = response
        .headers()
        .get(EXECUTION_PATH_HEADER)
        .and_then(|value| value.to_str().ok())
        .map(ToOwned::to_owned);
    let dependency_reason = response
        .headers()
        .get(DEPENDENCY_REASON_HEADER)
        .and_then(|value| value.to_str().ok())
        .map(ToOwned::to_owned);
    assert_eq!(dependency_reason.as_deref(), None);
    let payload: serde_json::Value = response.json().await.expect("body should parse");
    assert_eq!(
        execution_path.as_deref(),
        Some(EXECUTION_PATH_LOCAL_EXECUTION_RUNTIME_MISS)
    );
    assert_eq!(
        payload["error"]["message"],
        "请求缺少有效的用户或 API Key 认证上下文，无法选择上游提供商"
    );
    assert_eq!(*execute_hits.lock().expect("mutex should lock"), 0);
    assert_eq!(*public_hits.lock().expect("mutex should lock"), 0);
    assert_eq!(
        public_execution_path
            .lock()
            .expect("mutex should lock")
            .as_deref(),
        None
    );

    gateway_handle.abort();
    upstream_handle.abort();
}

#[tokio::test]
async fn gateway_does_not_proxy_control_execute_over_http_when_opted_in_and_execution_runtime_misses_sync_ai_routes(
) {
    let plan_hits = Arc::new(Mutex::new(0usize));
    let plan_hits_clone = Arc::clone(&plan_hits);
    let execute_hits = Arc::new(Mutex::new(0usize));
    let execute_hits_clone = Arc::clone(&execute_hits);
    let public_hits = Arc::new(Mutex::new(0usize));
    let public_hits_clone = Arc::clone(&public_hits);

    let upstream = Router::new()
        .route(
            "/api/internal/gateway/resolve",
            any(|_request: Request| async move {
                Json(json!({
                    "action": "proxy_public",
                    "route_class": "ai_public",
                    "route_family": "openai",
                    "route_kind": "chat",
                    "auth_endpoint_signature": "openai:chat",
                    "execution_runtime_candidate": true,
                    "public_path": "/v1/chat/completions"
                }))
            }),
        )
        .route(
            "/api/internal/gateway/plan-sync",
            any(move |_request: Request| {
                let plan_hits_inner = Arc::clone(&plan_hits_clone);
                async move {
                    *plan_hits_inner.lock().expect("mutex should lock") += 1;
                    let mut response = Response::builder()
                        .status(StatusCode::ACCEPTED)
                        .body(Body::from("{\"ok\":true,\"via\":\"plan-sync\"}"))
                        .expect("response should build");
                    response.headers_mut().insert(
                        http::header::CONTENT_TYPE,
                        HeaderValue::from_static("application/json"),
                    );
                    response.headers_mut().insert(
                        HeaderName::from_static(CONTROL_EXECUTED_HEADER),
                        HeaderValue::from_static("true"),
                    );
                    response
                }
            }),
        )
        .route(
            "/api/internal/gateway/execute-sync",
            any(move |_request: Request| {
                let execute_hits_inner = Arc::clone(&execute_hits_clone);
                async move {
                    *execute_hits_inner.lock().expect("mutex should lock") += 1;
                    let mut response = Response::builder()
                        .status(StatusCode::OK)
                        .body(Body::from("{\"ok\":false}"))
                        .expect("response should build");
                    response.headers_mut().insert(
                        http::header::CONTENT_TYPE,
                        HeaderValue::from_static("application/json"),
                    );
                    response.headers_mut().insert(
                        HeaderName::from_static(CONTROL_EXECUTED_HEADER),
                        HeaderValue::from_static("true"),
                    );
                    response
                }
            }),
        )
        .route(
            "/v1/chat/completions",
            any(move |_request: Request| {
                let public_hits_inner = Arc::clone(&public_hits_clone);
                async move {
                    *public_hits_inner.lock().expect("mutex should lock") += 1;
                    let mut response = Response::builder()
                        .status(StatusCode::OK)
                        .body(Body::from("{\"public\":true}"))
                        .expect("response should build");
                    response.headers_mut().insert(
                        http::header::CONTENT_TYPE,
                        HeaderValue::from_static("application/json"),
                    );
                    response
                }
            }),
        );

    let execution_runtime = Router::new();

    let (upstream_url, upstream_handle) = start_server(upstream).await;
    let (execution_runtime_url, execution_runtime_handle) = start_server(execution_runtime).await;
    let gateway = build_router_with_execution_runtime_override(execution_runtime_url);
    let (gateway_url, gateway_handle) = start_server(gateway).await;

    let response = reqwest::Client::new()
        .post(format!("{gateway_url}/v1/chat/completions"))
        .header(http::header::CONTENT_TYPE, "application/json")
        .header(CONTROL_EXECUTE_FALLBACK_HEADER, "true")
        .body("{\"model\":\"gpt-5\",\"messages\":[]}")
        .send()
        .await
        .expect("request should succeed");

    assert_eq!(response.status(), StatusCode::SERVICE_UNAVAILABLE);
    assert_eq!(
        response
            .headers()
            .get(EXECUTION_PATH_HEADER)
            .and_then(|value| value.to_str().ok()),
        Some(EXECUTION_PATH_LOCAL_EXECUTION_RUNTIME_MISS)
    );
    assert_eq!(
        response
            .headers()
            .get(DEPENDENCY_REASON_HEADER)
            .and_then(|value| value.to_str().ok()),
        None
    );
    let payload: serde_json::Value = response.json().await.expect("body should parse");
    assert_eq!(
        payload["error"]["message"],
        "请求缺少有效的用户或 API Key 认证上下文，无法选择上游提供商"
    );
    assert_eq!(*plan_hits.lock().expect("mutex should lock"), 0);
    assert_eq!(*execute_hits.lock().expect("mutex should lock"), 0);
    assert_eq!(*public_hits.lock().expect("mutex should lock"), 0);

    gateway_handle.abort();
    execution_runtime_handle.abort();
    upstream_handle.abort();
}

#[tokio::test]
async fn gateway_does_not_proxy_control_execute_over_http_when_opted_in_and_execution_runtime_misses_stream_ai_routes(
) {
    let plan_hits = Arc::new(Mutex::new(0usize));
    let plan_hits_clone = Arc::clone(&plan_hits);
    let execute_hits = Arc::new(Mutex::new(0usize));
    let execute_hits_clone = Arc::clone(&execute_hits);
    let public_hits = Arc::new(Mutex::new(0usize));
    let public_hits_clone = Arc::clone(&public_hits);

    let upstream = Router::new()
        .route(
            "/api/internal/gateway/resolve",
            any(|_request: Request| async move {
                Json(json!({
                    "action": "proxy_public",
                    "route_class": "ai_public",
                    "route_family": "openai",
                    "route_kind": "chat",
                    "auth_endpoint_signature": "openai:chat",
                    "execution_runtime_candidate": true,
                    "public_path": "/v1/chat/completions"
                }))
            }),
        )
        .route(
            "/api/internal/gateway/plan-stream",
            any(move |_request: Request| {
                let plan_hits_inner = Arc::clone(&plan_hits_clone);
                async move {
                    *plan_hits_inner.lock().expect("mutex should lock") += 1;
                    let stream = futures_util::stream::iter([
                        Ok::<_, Infallible>(Bytes::from_static(b"data: one\n\n")),
                        Ok::<_, Infallible>(Bytes::from_static(b"data: [DONE]\n\n")),
                    ]);
                    let mut response = Response::builder()
                        .status(StatusCode::OK)
                        .body(Body::from_stream(stream))
                        .expect("response should build");
                    response.headers_mut().insert(
                        http::header::CONTENT_TYPE,
                        HeaderValue::from_static("text/event-stream"),
                    );
                    response.headers_mut().insert(
                        HeaderName::from_static(CONTROL_EXECUTED_HEADER),
                        HeaderValue::from_static("true"),
                    );
                    response
                }
            }),
        )
        .route(
            "/api/internal/gateway/execute-stream",
            any(move |_request: Request| {
                let execute_hits_inner = Arc::clone(&execute_hits_clone);
                async move {
                    *execute_hits_inner.lock().expect("mutex should lock") += 1;
                    let mut response = Response::builder()
                        .status(StatusCode::OK)
                        .body(Body::from("data: fallback\n\n"))
                        .expect("response should build");
                    response.headers_mut().insert(
                        HeaderName::from_static(CONTROL_EXECUTED_HEADER),
                        HeaderValue::from_static("true"),
                    );
                    response
                }
            }),
        )
        .route(
            "/v1/chat/completions",
            any(move |_request: Request| {
                let public_hits_inner = Arc::clone(&public_hits_clone);
                async move {
                    *public_hits_inner.lock().expect("mutex should lock") += 1;
                    let mut response = Response::builder()
                        .status(StatusCode::OK)
                        .body(Body::from("data: {\"public\":true}\n\ndata: [DONE]\n\n"))
                        .expect("response should build");
                    response.headers_mut().insert(
                        http::header::CONTENT_TYPE,
                        HeaderValue::from_static("text/event-stream"),
                    );
                    response
                }
            }),
        );

    let execution_runtime = Router::new();

    let (upstream_url, upstream_handle) = start_server(upstream).await;
    let (execution_runtime_url, execution_runtime_handle) = start_server(execution_runtime).await;
    let gateway = build_router_with_execution_runtime_override(execution_runtime_url);
    let (gateway_url, gateway_handle) = start_server(gateway).await;

    let response = reqwest::Client::new()
        .post(format!("{gateway_url}/v1/chat/completions"))
        .header(http::header::CONTENT_TYPE, "application/json")
        .header(CONTROL_EXECUTE_FALLBACK_HEADER, "true")
        .body("{\"model\":\"gpt-5\",\"messages\":[],\"stream\":true}")
        .send()
        .await
        .expect("request should succeed");

    assert_eq!(response.status(), StatusCode::SERVICE_UNAVAILABLE);
    assert_eq!(
        response
            .headers()
            .get(EXECUTION_PATH_HEADER)
            .and_then(|value| value.to_str().ok()),
        Some(EXECUTION_PATH_LOCAL_EXECUTION_RUNTIME_MISS)
    );
    assert_eq!(
        response
            .headers()
            .get(DEPENDENCY_REASON_HEADER)
            .and_then(|value| value.to_str().ok()),
        None
    );
    let payload: serde_json::Value = response.json().await.expect("body should parse");
    assert_eq!(
        payload["error"]["message"],
        "请求缺少有效的用户或 API Key 认证上下文，无法选择上游提供商"
    );
    assert_eq!(*plan_hits.lock().expect("mutex should lock"), 0);
    assert_eq!(*execute_hits.lock().expect("mutex should lock"), 0);
    assert_eq!(*public_hits.lock().expect("mutex should lock"), 0);

    gateway_handle.abort();
    execution_runtime_handle.abort();
    upstream_handle.abort();
}