use crate::tests::{
    any, build_router, start_server, Arc, Body, Mutex, Request, Router, StatusCode,
};

#[tokio::test]
async fn gateway_serves_oauth_public_providers_locally_without_hitting_upstream() {
    let upstream_hits = Arc::new(Mutex::new(0usize));
    let upstream_hits_clone = Arc::clone(&upstream_hits);
    let upstream = Router::new().route(
        "/{*path}",
        any(move |_request: Request| {
            let upstream_hits_inner = Arc::clone(&upstream_hits_clone);
            async move {
                *upstream_hits_inner.lock().expect("mutex should lock") += 1;
                (StatusCode::OK, Body::from("proxied"))
            }
        }),
    );

    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()
        .get(format!("{gateway_url}/api/oauth/providers"))
        .send()
        .await
        .expect("request should succeed");

    assert_eq!(response.status(), StatusCode::OK);
    let payload: serde_json::Value = response.json().await.expect("json body should parse");
    assert_eq!(payload["providers"].as_array().map(Vec::len), Some(0));
    assert_eq!(*upstream_hits.lock().expect("mutex should lock"), 0);

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

#[tokio::test]
async fn gateway_accepts_oauth_authorize_device_id_header_without_hitting_upstream() {
    let upstream_hits = Arc::new(Mutex::new(0usize));
    let upstream_hits_clone = Arc::clone(&upstream_hits);
    let upstream = Router::new().route(
        "/{*path}",
        any(move |_request: Request| {
            let upstream_hits_inner = Arc::clone(&upstream_hits_clone);
            async move {
                *upstream_hits_inner.lock().expect("mutex should lock") += 1;
                (StatusCode::OK, Body::from("proxied"))
            }
        }),
    );

    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()
        .get(format!("{gateway_url}/api/oauth/linuxdo/authorize"))
        .header("x-client-device-id", "device-123")
        .send()
        .await
        .expect("request should succeed");

    assert_eq!(response.status(), StatusCode::NOT_FOUND);
    let payload: serde_json::Value = response.json().await.expect("json body should parse");
    assert_eq!(payload["detail"], "OAuth Provider 不存在或已禁用");
    assert_eq!(*upstream_hits.lock().expect("mutex should lock"), 0);

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

#[tokio::test]
async fn gateway_requires_auth_for_oauth_user_bindable_providers_without_hitting_upstream() {
    let upstream_hits = Arc::new(Mutex::new(0usize));
    let upstream_hits_clone = Arc::clone(&upstream_hits);
    let upstream = Router::new().route(
        "/{*path}",
        any(move |_request: Request| {
            let upstream_hits_inner = Arc::clone(&upstream_hits_clone);
            async move {
                *upstream_hits_inner.lock().expect("mutex should lock") += 1;
                (StatusCode::OK, Body::from("proxied"))
            }
        }),
    );

    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()
        .get(format!("{gateway_url}/api/user/oauth/bindable-providers"))
        .send()
        .await
        .expect("request should succeed");

    assert_eq!(response.status(), StatusCode::UNAUTHORIZED);
    let payload: serde_json::Value = response.json().await.expect("json body should parse");
    assert_eq!(payload["detail"], "缺少用户凭证");
    assert_eq!(*upstream_hits.lock().expect("mutex should lock"), 0);

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

#[tokio::test]
async fn gateway_requires_auth_for_oauth_user_bind_token_without_hitting_upstream() {
    let upstream_hits = Arc::new(Mutex::new(0usize));
    let upstream_hits_clone = Arc::clone(&upstream_hits);
    let upstream = Router::new().route(
        "/{*path}",
        any(move |_request: Request| {
            let upstream_hits_inner = Arc::clone(&upstream_hits_clone);
            async move {
                *upstream_hits_inner.lock().expect("mutex should lock") += 1;
                (StatusCode::OK, Body::from("proxied"))
            }
        }),
    );

    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}/api/user/oauth/linuxdo/bind-token"))
        .send()
        .await
        .expect("request should succeed");

    assert_eq!(response.status(), StatusCode::UNAUTHORIZED);
    let payload: serde_json::Value = response.json().await.expect("json body should parse");
    assert_eq!(payload["detail"], "缺少用户凭证");
    assert_eq!(*upstream_hits.lock().expect("mutex should lock"), 0);

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