use std::sync::Arc;

use actix_jwt_session::*;
use actix_web::http::{Method, StatusCode};
use actix_web::web::{Data, Json};
use actix_web::HttpResponse;
use actix_web::{get, post};
use actix_web::{http::header::ContentType, test, App};
use jsonwebtoken::*;
use serde::{Deserialize, Serialize};
use uuid::Uuid;

#[derive(Debug, Clone, Serialize, Deserialize, PartialEq)]
struct Claims {
    id: Uuid,
    subject: String,
}

impl actix_jwt_session::Claims for Claims {
    fn jti(&self) -> Uuid {
        self.id
    }
    fn subject(&self) -> &str {
        &self.subject
    }
}

#[tokio::test(flavor = "multi_thread")]
async fn not_authenticated() {
    let redis = {
        use redis_async_pool::{RedisConnectionManager, RedisPool};
        RedisPool::new(
            RedisConnectionManager::new(
                redis::Client::open("redis://localhost:6379").expect("Fail to connect to redis"),
                true,
                None,
            ),
            5,
        )
    };

    let keys = JwtSigningKeys::generate(false).unwrap();
    let (storage, factory) = RedisMiddlewareFactory::<Claims>::build(
        Arc::new(keys.encoding_key),
        Arc::new(keys.decoding_key),
        Algorithm::EdDSA,
    )
    .with_pool(redis.clone())
    .with_jwt_header(JWT_HEADER_NAME)
    .with_refresh_header(REFRESH_HEADER_NAME)
    .with_jwt_cookie(JWT_COOKIE_NAME)
    .with_refresh_cookie(REFRESH_COOKIE_NAME)
    .finish();

    let app = App::new()
        .app_data(Data::new(storage.clone()))
        .wrap(factory.clone())
        .app_data(Data::new(redis.clone()))
        .app_data(Data::new(JwtTtl(Duration::days(10))))
        .app_data(Data::new(RefreshTtl(Duration::days(10))))
        .service(sign_in)
        .service(sign_out)
        .service(session)
        .service(root);

    let app = actix_web::test::init_service(app).await;

    let res = test::call_service(
        &app,
        test::TestRequest::default()
            .insert_header(ContentType::plaintext())
            .to_request(),
    )
    .await;
    assert!(res.status().is_success());

    let res = test::call_service(
        &app,
        test::TestRequest::default()
            .uri("/s")
            .insert_header(ContentType::plaintext())
            .to_request(),
    )
    .await;
    assert_eq!(res.status(), StatusCode::UNAUTHORIZED);

    let origina_claims = Claims {
        id: Uuid::new_v4(),
        subject: "foo".to_string(),
    };
    let res = test::call_service(
        &app,
        test::TestRequest::default()
            .uri("/in")
            .method(actix_web::http::Method::POST)
            .insert_header(ContentType::json())
            .set_json(&origina_claims)
            .to_request(),
    )
    .await;
    assert_eq!(res.status(), StatusCode::OK);
    let auth_bearer = res
        .headers()
        .get(JWT_HEADER_NAME)
        .unwrap()
        .to_str()
        .unwrap();
    let refresh_bearer = res
        .headers()
        .get(REFRESH_HEADER_NAME)
        .unwrap()
        .to_str()
        .unwrap();

    let res = test::call_service(
        &app,
        test::TestRequest::default()
            .uri("/s")
            .method(Method::GET)
            .insert_header((JWT_HEADER_NAME, auth_bearer))
            .to_request(),
    )
    .await;
    assert_eq!(res.status(), StatusCode::OK);

    let res = test::call_service(
        &app,
        test::TestRequest::default()
            .uri("/out")
            .method(Method::POST)
            .insert_header((JWT_HEADER_NAME, auth_bearer))
            .to_request(),
    )
    .await;
    assert_eq!(res.status(), StatusCode::OK);

    let res = test::try_call_service(
        &app,
        test::TestRequest::default()
            .uri("/s")
            .method(Method::GET)
            .insert_header((JWT_HEADER_NAME, auth_bearer))
            .to_request(),
    )
    .await;
    let err = res
        .expect_err("Must be unauthorized")
        .as_error::<actix_jwt_session::Error>()
        .expect("Must be authorization error")
        .clone();
    assert_eq!(err, actix_jwt_session::Error::InvalidSession);
}

#[post("/in")]
async fn sign_in(
    store: Data<SessionStorage>,
    claims: Json<Claims>,
    jwt_ttl: Data<JwtTtl>,
    refresh_ttl: Data<RefreshTtl>,
) -> Result<HttpResponse, actix_web::Error> {
    let claims = claims.into_inner();
    let store = store.into_inner();
    let pair = store
        .clone()
        .store(claims, *jwt_ttl.into_inner(), *refresh_ttl.into_inner())
        .await
        .unwrap();
    Ok(HttpResponse::Ok()
        .append_header((JWT_HEADER_NAME, pair.jwt.encode().unwrap()))
        .append_header((REFRESH_HEADER_NAME, pair.refresh.encode().unwrap()))
        .finish())
}

#[post("/out")]
async fn sign_out(store: Data<SessionStorage>, auth: Authenticated<Claims>) -> HttpResponse {
    let store = store.into_inner();
    store.erase::<Claims>(auth.id).await.unwrap();
    HttpResponse::Ok().finish()
}

#[get("/s")]
async fn session(auth: Authenticated<Claims>) -> HttpResponse {
    HttpResponse::Ok().json(&*auth)
}

#[get("/")]
async fn root() -> HttpResponse {
    HttpResponse::Ok().finish()
}