mod common;

pub use common::*;

use byte_strings::c_str;
use indymilter::MacroStage;
use indymilter_test::*;
use spamassassin_milter::*;

/// A spam message is rejected with an SMTP error reply.
#[tokio::test]
async fn reject_spam() {
    let config = configure_spamc(Config::builder())
        .reject_spam(true)
        .reply_code("554".into())
        .reply_text("Not allowed!".into())
        .spamc_args([format!("--port={SPAMD_PORT}")])
        .build();

    let server = spawn_mock_spamd_server(SPAMD_PORT, |spam| {
        Err(spam.replacen("\r\n\r\n", "\r\nX-Spam-Flag: YES\r\n\r\n", 1))
    })
    .await
    .unwrap();

    let milter = SpamAssassinMilter::spawn(LOCALHOST, config).await.unwrap();

    let mut conn = TestConnection::open(milter.addr()).await.unwrap();

    let status = conn.connect("client.gluet.ch", [123, 123, 123, 123]).await.unwrap();
    assert_eq!(status, Status::Continue);

    let status = conn.helo("mail.gluet.ch").await.unwrap();
    assert_eq!(status, Status::Continue);

    let status = conn.mail(["<from@gluet.ch>"]).await.unwrap();
    assert_eq!(status, Status::Continue);

    let status = conn.rcpt(["<to@gluet.ch>"]).await.unwrap();
    assert_eq!(status, Status::Continue);

    conn.macros(
        MacroStage::Data,
        [
            ("i", "1234567ABC"),
            ("j", "localhost"),
            ("_", "client.gluet.ch [123.123.123.123]"),
            ("{tls_version}", "TLSv1.2"),
            ("v", "Postfix 3.3.0"),
        ],
    )
    .await
    .unwrap();

    let status = conn.data().await.unwrap();
    assert_eq!(status, Status::Continue);

    let status = conn.header("From", "from@gluet.ch").await.unwrap();
    assert_eq!(status, Status::Continue);

    let status = conn.header("To", "to@gluet.ch").await.unwrap();
    assert_eq!(status, Status::Continue);

    let status = conn.header("Subject", "Test message").await.unwrap();
    assert_eq!(status, Status::Continue);

    let status = conn.header("Message-ID", rand_msg_id()).await.unwrap();
    assert_eq!(status, Status::Continue);

    let status = conn.header("Date", current_date()).await.unwrap();
    assert_eq!(status, Status::Continue);

    let status = conn.eoh().await.unwrap();
    assert_eq!(status, Status::Continue);

    let status = conn.body(&b"Test message body"[..]).await.unwrap();
    assert_eq!(status, Status::Continue);

    let (_, status) = conn.eom().await.unwrap();
    assert_eq!(
        status,
        Status::Reject {
            message: Some(c_str!("554 5.7.1 Not allowed!").into()),
        }
    );

    conn.close().await.unwrap();

    milter.shutdown().await.unwrap();

    server.await.unwrap().unwrap();
}