#![allow(deprecated)]
extern crate actix;
extern crate actix_web;
extern crate bytes;
extern crate flate2;
extern crate futures;
extern crate rand;
#[cfg(all(unix, feature = "uds"))]
extern crate tokio_uds;

use std::io::{Read, Write};
use std::{net, thread};

use bytes::Bytes;
use flate2::read::GzDecoder;
use futures::stream::once;
use futures::Future;
use rand::Rng;

use actix_web::*;

const STR: &str = "Hello World Hello World Hello World Hello World Hello World \
                   Hello World Hello World Hello World Hello World Hello World \
                   Hello World Hello World Hello World Hello World Hello World \
                   Hello World Hello World Hello World Hello World Hello World \
                   Hello World Hello World Hello World Hello World Hello World \
                   Hello World Hello World Hello World Hello World Hello World \
                   Hello World Hello World Hello World Hello World Hello World \
                   Hello World Hello World Hello World Hello World Hello World \
                   Hello World Hello World Hello World Hello World Hello World \
                   Hello World Hello World Hello World Hello World Hello World \
                   Hello World Hello World Hello World Hello World Hello World \
                   Hello World Hello World Hello World Hello World Hello World \
                   Hello World Hello World Hello World Hello World Hello World \
                   Hello World Hello World Hello World Hello World Hello World \
                   Hello World Hello World Hello World Hello World Hello World \
                   Hello World Hello World Hello World Hello World Hello World \
                   Hello World Hello World Hello World Hello World Hello World \
                   Hello World Hello World Hello World Hello World Hello World \
                   Hello World Hello World Hello World Hello World Hello World \
                   Hello World Hello World Hello World Hello World Hello World \
                   Hello World Hello World Hello World Hello World Hello World";

#[test]
fn test_simple() {
    let mut srv =
        test::TestServer::new(|app| app.handler(|_| HttpResponse::Ok().body(STR)));

    let request = srv.get().header("x-test", "111").finish().unwrap();
    let repr = format!("{:?}", request);
    assert!(repr.contains("ClientRequest"));
    assert!(repr.contains("x-test"));

    let response = srv.execute(request.send()).unwrap();
    assert!(response.status().is_success());

    // read response
    let bytes = srv.execute(response.body()).unwrap();
    assert_eq!(bytes, Bytes::from_static(STR.as_ref()));

    let request = srv.post().finish().unwrap();
    let response = srv.execute(request.send()).unwrap();
    assert!(response.status().is_success());

    // read response
    let bytes = srv.execute(response.body()).unwrap();
    assert_eq!(bytes, Bytes::from_static(STR.as_ref()));
}

#[test]
fn test_connection_close() {
    let mut srv =
        test::TestServer::new(|app| app.handler(|_| HttpResponse::Ok().body(STR)));

    let request = srv.get().header("Connection", "close").finish().unwrap();
    let response = srv.execute(request.send()).unwrap();
    assert!(response.status().is_success());
}

#[test]
fn test_with_query_parameter() {
    let mut srv = test::TestServer::new(|app| {
        app.handler(|req: &HttpRequest| match req.query().get("qp") {
            Some(_) => HttpResponse::Ok().finish(),
            None => HttpResponse::BadRequest().finish(),
        })
    });

    let request = srv.get().uri(srv.url("/?qp=5").as_str()).finish().unwrap();

    let response = srv.execute(request.send()).unwrap();
    assert!(response.status().is_success());
}

#[test]
fn test_no_decompress() {
    let mut srv =
        test::TestServer::new(|app| app.handler(|_| HttpResponse::Ok().body(STR)));

    let request = srv.get().disable_decompress().finish().unwrap();
    let response = srv.execute(request.send()).unwrap();
    assert!(response.status().is_success());

    // read response
    let bytes = srv.execute(response.body()).unwrap();

    let mut e = GzDecoder::new(&bytes[..]);
    let mut dec = Vec::new();
    e.read_to_end(&mut dec).unwrap();
    assert_eq!(Bytes::from(dec), Bytes::from_static(STR.as_ref()));

    // POST
    let request = srv.post().disable_decompress().finish().unwrap();
    let response = srv.execute(request.send()).unwrap();

    let bytes = srv.execute(response.body()).unwrap();
    let mut e = GzDecoder::new(&bytes[..]);
    let mut dec = Vec::new();
    e.read_to_end(&mut dec).unwrap();
    assert_eq!(Bytes::from(dec), Bytes::from_static(STR.as_ref()));
}

#[test]
fn test_client_gzip_encoding() {
    let mut srv = test::TestServer::new(|app| {
        app.handler(|req: &HttpRequest| {
            req.body()
                .and_then(|bytes: Bytes| {
                    Ok(HttpResponse::Ok()
                        .content_encoding(http::ContentEncoding::Deflate)
                        .body(bytes))
                }).responder()
        })
    });

    // client request
    let request = srv
        .post()
        .content_encoding(http::ContentEncoding::Gzip)
        .body(STR)
        .unwrap();
    let response = srv.execute(request.send()).unwrap();
    assert!(response.status().is_success());

    // read response
    let bytes = srv.execute(response.body()).unwrap();
    assert_eq!(bytes, Bytes::from_static(STR.as_ref()));
}

#[test]
fn test_client_gzip_encoding_large() {
    let data = STR.repeat(10);

    let mut srv = test::TestServer::new(|app| {
        app.handler(|req: &HttpRequest| {
            req.body()
                .and_then(|bytes: Bytes| {
                    Ok(HttpResponse::Ok()
                        .content_encoding(http::ContentEncoding::Deflate)
                        .body(bytes))
                }).responder()
        })
    });

    // client request
    let request = srv
        .post()
        .content_encoding(http::ContentEncoding::Gzip)
        .body(data.clone())
        .unwrap();
    let response = srv.execute(request.send()).unwrap();
    assert!(response.status().is_success());

    // read response
    let bytes = srv.execute(response.body()).unwrap();
    assert_eq!(bytes, Bytes::from(data));
}

#[test]
fn test_client_gzip_encoding_large_random() {
    let data = rand::thread_rng()
        .gen_ascii_chars()
        .take(100_000)
        .collect::<String>();

    let mut srv = test::TestServer::new(|app| {
        app.handler(|req: &HttpRequest| {
            req.body()
                .and_then(|bytes: Bytes| {
                    Ok(HttpResponse::Ok()
                        .content_encoding(http::ContentEncoding::Deflate)
                        .body(bytes))
                }).responder()
        })
    });

    // client request
    let request = srv
        .post()
        .content_encoding(http::ContentEncoding::Gzip)
        .body(data.clone())
        .unwrap();
    let response = srv.execute(request.send()).unwrap();
    assert!(response.status().is_success());

    // read response
    let bytes = srv.execute(response.body()).unwrap();
    assert_eq!(bytes, Bytes::from(data));
}

#[cfg(all(unix, feature = "uds"))]
#[test]
fn test_compatible_with_unix_socket_stream() {
    let (stream, _) = tokio_uds::UnixStream::pair().unwrap();
    let _ = client::Connection::from_stream(stream);
}

#[cfg(feature = "brotli")]
#[test]
fn test_client_brotli_encoding() {
    let mut srv = test::TestServer::new(|app| {
        app.handler(|req: &HttpRequest| {
            req.body()
                .and_then(|bytes: Bytes| {
                    Ok(HttpResponse::Ok()
                        .content_encoding(http::ContentEncoding::Gzip)
                        .body(bytes))
                }).responder()
        })
    });

    // client request
    let request = srv
        .client(http::Method::POST, "/")
        .content_encoding(http::ContentEncoding::Br)
        .body(STR)
        .unwrap();
    let response = srv.execute(request.send()).unwrap();
    assert!(response.status().is_success());

    // read response
    let bytes = srv.execute(response.body()).unwrap();
    assert_eq!(bytes, Bytes::from_static(STR.as_ref()));
}

#[cfg(feature = "brotli")]
#[test]
fn test_client_brotli_encoding_large_random() {
    let data = rand::thread_rng()
        .gen_ascii_chars()
        .take(70_000)
        .collect::<String>();

    let mut srv = test::TestServer::new(|app| {
        app.handler(|req: &HttpRequest| {
            req.body()
                .and_then(move |bytes: Bytes| {
                    Ok(HttpResponse::Ok()
                        .content_encoding(http::ContentEncoding::Gzip)
                        .body(bytes))
                }).responder()
        })
    });

    // client request
    let request = srv
        .client(http::Method::POST, "/")
        .content_encoding(http::ContentEncoding::Br)
        .body(data.clone())
        .unwrap();
    let response = srv.execute(request.send()).unwrap();
    assert!(response.status().is_success());

    // read response
    let bytes = srv.execute(response.body()).unwrap();
    assert_eq!(bytes.len(), data.len());
    assert_eq!(bytes, Bytes::from(data));
}

#[cfg(feature = "brotli")]
#[test]
fn test_client_deflate_encoding() {
    let mut srv = test::TestServer::new(|app| {
        app.handler(|req: &HttpRequest| {
            req.body()
                .and_then(|bytes: Bytes| {
                    Ok(HttpResponse::Ok()
                        .content_encoding(http::ContentEncoding::Br)
                        .body(bytes))
                }).responder()
        })
    });

    // client request
    let request = srv
        .post()
        .content_encoding(http::ContentEncoding::Deflate)
        .body(STR)
        .unwrap();
    let response = srv.execute(request.send()).unwrap();
    assert!(response.status().is_success());

    // read response
    let bytes = srv.execute(response.body()).unwrap();
    assert_eq!(bytes, Bytes::from_static(STR.as_ref()));
}

#[cfg(feature = "brotli")]
#[test]
fn test_client_deflate_encoding_large_random() {
    let data = rand::thread_rng()
        .gen_ascii_chars()
        .take(70_000)
        .collect::<String>();

    let mut srv = test::TestServer::new(|app| {
        app.handler(|req: &HttpRequest| {
            req.body()
                .and_then(|bytes: Bytes| {
                    Ok(HttpResponse::Ok()
                        .content_encoding(http::ContentEncoding::Br)
                        .body(bytes))
                }).responder()
        })
    });

    // client request
    let request = srv
        .post()
        .content_encoding(http::ContentEncoding::Deflate)
        .body(data.clone())
        .unwrap();
    let response = srv.execute(request.send()).unwrap();
    assert!(response.status().is_success());

    // read response
    let bytes = srv.execute(response.body()).unwrap();
    assert_eq!(bytes, Bytes::from(data));
}

#[test]
fn test_client_streaming_explicit() {
    let mut srv = test::TestServer::new(|app| {
        app.handler(|req: &HttpRequest| {
            req.body()
                .map_err(Error::from)
                .and_then(|body| {
                    Ok(HttpResponse::Ok()
                        .chunked()
                        .content_encoding(http::ContentEncoding::Identity)
                        .body(body))
                }).responder()
        })
    });

    let body = once(Ok(Bytes::from_static(STR.as_ref())));

    let request = srv.get().body(Body::Streaming(Box::new(body))).unwrap();
    let response = srv.execute(request.send()).unwrap();
    assert!(response.status().is_success());

    // read response
    let bytes = srv.execute(response.body()).unwrap();
    assert_eq!(bytes, Bytes::from_static(STR.as_ref()));
}

#[test]
fn test_body_streaming_implicit() {
    let mut srv = test::TestServer::new(|app| {
        app.handler(|_| {
            let body = once(Ok(Bytes::from_static(STR.as_ref())));
            HttpResponse::Ok()
                .content_encoding(http::ContentEncoding::Gzip)
                .body(Body::Streaming(Box::new(body)))
        })
    });

    let request = srv.get().finish().unwrap();
    let response = srv.execute(request.send()).unwrap();
    assert!(response.status().is_success());

    // read response
    let bytes = srv.execute(response.body()).unwrap();
    assert_eq!(bytes, Bytes::from_static(STR.as_ref()));
}

#[test]
fn test_client_cookie_handling() {
    use actix_web::http::Cookie;
    fn err() -> Error {
        use std::io::{Error as IoError, ErrorKind};
        // stub some generic error
        Error::from(IoError::from(ErrorKind::NotFound))
    }
    let cookie1 = Cookie::build("cookie1", "value1").finish();
    let cookie2 = Cookie::build("cookie2", "value2")
        .domain("www.example.org")
        .path("/")
        .secure(true)
        .http_only(true)
        .finish();
    // Q: are all these clones really necessary? A: Yes, possibly
    let cookie1b = cookie1.clone();
    let cookie2b = cookie2.clone();
    let mut srv = test::TestServer::new(move |app| {
        let cookie1 = cookie1b.clone();
        let cookie2 = cookie2b.clone();
        app.handler(move |req: &HttpRequest| {
            // Check cookies were sent correctly
            req.cookie("cookie1").ok_or_else(err)
                    .and_then(|c1| if c1.value() == "value1" {
                        Ok(())
                    } else {
                        Err(err())
                    })
                    .and_then(|()| req.cookie("cookie2").ok_or_else(err))
                    .and_then(|c2| if c2.value() == "value2" {
                        Ok(())
                    } else {
                        Err(err())
                    })
                    // Send some cookies back
                    .map(|_| HttpResponse::Ok()
                         .cookie(cookie1.clone())
                         .cookie(cookie2.clone())
                         .finish()
                    )
        })
    });

    let request = srv
        .get()
        .cookie(cookie1.clone())
        .cookie(cookie2.clone())
        .finish()
        .unwrap();
    let response = srv.execute(request.send()).unwrap();
    assert!(response.status().is_success());
    let c1 = response.cookie("cookie1").expect("Missing cookie1");
    assert_eq!(c1, cookie1);
    let c2 = response.cookie("cookie2").expect("Missing cookie2");
    assert_eq!(c2, cookie2);
}

#[test]
fn test_default_headers() {
    let srv = test::TestServer::new(|app| app.handler(|_| HttpResponse::Ok().body(STR)));

    let request = srv.get().finish().unwrap();
    let repr = format!("{:?}", request);
    assert!(repr.contains("\"accept-encoding\": \"gzip, deflate\""));
    assert!(repr.contains(concat!(
        "\"user-agent\": \"actix-web/",
        env!("CARGO_PKG_VERSION"),
        "\""
    )));

    let request_override = srv
        .get()
        .header("User-Agent", "test")
        .header("Accept-Encoding", "over_test")
        .finish()
        .unwrap();
    let repr_override = format!("{:?}", request_override);
    assert!(repr_override.contains("\"user-agent\": \"test\""));
    assert!(repr_override.contains("\"accept-encoding\": \"over_test\""));
    assert!(!repr_override.contains("\"accept-encoding\": \"gzip, deflate\""));
    assert!(!repr_override.contains(concat!(
        "\"user-agent\": \"Actix-web/",
        env!("CARGO_PKG_VERSION"),
        "\""
    )));
}

#[test]
fn client_read_until_eof() {
    let addr = test::TestServer::unused_addr();

    thread::spawn(move || {
        let lst = net::TcpListener::bind(addr).unwrap();

        for stream in lst.incoming() {
            let mut stream = stream.unwrap();
            let mut b = [0; 1000];
            let _ = stream.read(&mut b).unwrap();
            let _ = stream
                .write_all(b"HTTP/1.1 200 OK\r\nconnection: close\r\n\r\nwelcome!");
        }
    });

    let mut sys = actix::System::new("test");

    // client request
    let req = client::ClientRequest::get(format!("http://{}/", addr).as_str())
        .finish()
        .unwrap();
    println!("TEST: {:?}", req);
    let response = sys.block_on(req.send()).unwrap();
    assert!(response.status().is_success());

    // read response
    let bytes = sys.block_on(response.body()).unwrap();
    assert_eq!(bytes, Bytes::from_static(b"welcome!"));
}