//! The CLI against a daemon. It had no such tests: `maestro list`'s formatting
//! was unit-tested, but nothing exercised the client, the error decoding, or
//! the unreachable-daemon path without compiling and forking a real daemon.

use maestro_protocol::{DaemonClient, DaemonInfo};
use maestro_testing::{session, MockDaemon};
use uuid::Uuid;

#[tokio::test]
async fn list_reads_the_daemon_catalog() {
    let mock = MockDaemon::start().await;
    mock.add_session(session(Uuid::from_u128(1), "/home/mock/work", "claude"));

    let sessions = mock.client().list_sessions().await.expect("list");

    assert_eq!(sessions.len(), 1);
    assert_eq!(sessions[0].command, "claude");
}

#[tokio::test]
async fn info_carries_version_and_presets() {
    let mock = MockDaemon::start().await;
    mock.set_info(DaemonInfo {
        hostname: "konishi".into(),
        version: "9.9.9".into(),
        home_dir: "/home/naps".into(),
        presets: vec![maestro_protocol::SpawnPreset {
            id: "claude".into(),
            label: "Claude".into(),
            command: "claude".into(),
        }],
        ..Default::default()
    });

    let info = mock.client().daemon_info().await.expect("info");

    // The CLI's own DaemonInfo used to drop both of these fields.
    assert_eq!(info.version, "9.9.9");
    assert_eq!(info.presets.len(), 1);
}

#[tokio::test]
async fn a_structured_failure_surfaces_the_daemon_message() {
    let mock = MockDaemon::start().await;
    mock.force_error(502, "tmux_failed", "no server running");

    let err = mock
        .client()
        .list_sessions()
        .await
        .expect_err("should fail");

    assert_eq!(
        err.daemon_message(),
        Some("no server running"),
        "the daemon's own message must survive: {err}"
    );
    assert!(!err.is_unreachable());
}

#[tokio::test]
async fn an_unreachable_daemon_is_distinguishable_from_a_rejection() {
    // Port 1 has nothing listening on it.
    let client = DaemonClient::new("http://127.0.0.1:1");

    let err = client.list_sessions().await.expect_err("should fail");

    assert!(
        err.is_unreachable(),
        "connection refused must not read as an HTTP rejection: {err}"
    );
}

#[tokio::test]
async fn killing_an_unknown_session_reports_the_daemon_reason() {
    let mock = MockDaemon::start().await;

    let err = mock
        .client()
        .kill_session(Uuid::new_v4(), false)
        .await
        .expect_err("should fail");

    assert_eq!(err.daemon_message(), Some("no such session on this daemon"));
}

#[tokio::test]
async fn spawn_round_trips_through_the_daemon() {
    let mock = MockDaemon::start().await;

    let created = mock
        .client()
        .create_session(&maestro_protocol::CreateSessionRequest {
            cwd: "/home/mock".into(),
            command: "bash".into(),
            env: Default::default(),
            metadata: Default::default(),
            worktree: None,
        })
        .await
        .expect("create");

    assert_eq!(created.command, "bash");
    assert_eq!(mock.session_count(), 1);

    mock.client()
        .kill_session(created.id, false)
        .await
        .expect("kill");
    assert_eq!(mock.session_count(), 0);
}

#[tokio::test]
async fn send_types_text_and_submits_by_default() {
    let mock = MockDaemon::start().await;
    let id = Uuid::from_u128(7);
    mock.add_session(session(id, "/home/mock/work", "claude"));

    let args = maestro_cli::cli::SendArgs {
        session: id.to_string(),
        text: vec!["run".into(), "the".into(), "tests".into()],
        no_enter: false,
    };
    let sent = maestro_cli::sessions::run_send(&mock.client(), &args, &mut std::io::empty())
        .await
        .expect("send");

    assert_eq!(sent, id);
    let inputs = mock.inputs();
    assert_eq!(inputs.len(), 1);
    assert_eq!(inputs[0].0, id);
    assert_eq!(inputs[0].1.text, "run the tests");
    assert!(inputs[0].1.submit, "Enter is the default");
}

/// `--no-enter` leaves the text in the prompt; the flag has to survive the
/// whole way to the daemon or the message is sent anyway.
#[tokio::test]
async fn send_without_enter_leaves_the_text_unsubmitted() {
    let mock = MockDaemon::start().await;
    let id = Uuid::from_u128(8);
    mock.add_session(session(id, "/tmp", "bash"));

    let args = maestro_cli::cli::SendArgs {
        session: id.to_string(),
        text: vec!["ls".into()],
        no_enter: true,
    };
    maestro_cli::sessions::run_send(&mock.client(), &args, &mut std::io::empty())
        .await
        .expect("send");

    assert!(!mock.inputs()[0].1.submit);
}

/// No text arguments → the message comes from stdin, minus the trailing
/// newline a pipe or heredoc adds.
#[tokio::test]
async fn send_reads_stdin_and_drops_its_trailing_newline() {
    let mock = MockDaemon::start().await;
    let id = Uuid::from_u128(9);
    mock.add_session(session(id, "/tmp", "bash"));

    let args = maestro_cli::cli::SendArgs {
        session: id.to_string(),
        text: Vec::new(),
        no_enter: false,
    };
    let mut stdin = std::io::Cursor::new(b"multi\nline\n".to_vec());
    maestro_cli::sessions::run_send(&mock.client(), &args, &mut stdin)
        .await
        .expect("send");

    assert_eq!(mock.inputs()[0].1.text, "multi\nline");
}

/// A session named through `PATCH /api/sessions/:id` is addressable by that
/// name, so scripts don't have to carry a UUID around.
#[tokio::test]
async fn send_resolves_a_session_by_name() {
    let mock = MockDaemon::start().await;
    let id = Uuid::from_u128(10);
    let mut named = session(id, "/tmp", "claude");
    named
        .metadata
        .insert("name".into(), serde_json::Value::String("planner".into()));
    mock.add_session(named);
    mock.add_session(session(Uuid::from_u128(11), "/tmp", "bash"));

    let args = maestro_cli::cli::SendArgs {
        session: "Planner".into(),
        text: vec!["go".into()],
        no_enter: false,
    };
    let sent = maestro_cli::sessions::run_send(&mock.client(), &args, &mut std::io::empty())
        .await
        .expect("send");

    assert_eq!(sent, id);
}

#[tokio::test]
async fn send_to_an_unknown_session_fails_without_typing_anything() {
    let mock = MockDaemon::start().await;
    mock.add_session(session(Uuid::from_u128(12), "/tmp", "bash"));

    let args = maestro_cli::cli::SendArgs {
        session: "nope".into(),
        text: vec!["hi".into()],
        no_enter: false,
    };
    let err = maestro_cli::sessions::run_send(&mock.client(), &args, &mut std::io::empty())
        .await
        .expect_err("should not resolve");

    assert!(err.to_string().contains("no session matches"), "{err}");
    assert!(mock.inputs().is_empty());
}