rho-coding-agent 1.17.0

use pretty_assertions::assert_eq;

use super::*;

#[test]
fn shell_mode_labels_top_divider_hides_prefix_without_extra_command_row() {
    let mut app = test_app();
    let empty_height = app.history_height_for_screen(80, 24, Instant::now());

    assert!(app.try_enter_shell_mode_from_bang());
    assert_eq!(
        app.input_ui.shell_mode(),
        Some(InlineShellMode::IncludeInContext)
    );
    app.insert_input_text("echo hi");

    assert!(app.command_suggestion_lines(80).is_empty());
    assert_eq!(
        app.history_height_for_screen(80, 24, Instant::now()),
        empty_height,
        "shell mode should not steal history height for a hint row"
    );

    let lines = app.active_lines_for_height(80, 24);
    let texts = lines.iter().map(line_text).collect::<Vec<_>>();
    assert!(
        texts
            .iter()
            .any(|line| line.contains("shell · included in context")),
        "top divider should carry the included-context shell label: {texts:?}"
    );
    assert!(
        texts.iter().any(|line| line.contains("echo hi")),
        "composer should show the shell command: {texts:?}"
    );
    assert!(
        texts.iter().all(|line| !line.contains("!echo")),
        "composer should hide the ! prefix: {texts:?}"
    );

    // Second bang upgrades to local shell mode without leaving a prefix in the buffer.
    app.input_ui.clear_text();
    app.input_ui.set_cursor(0);
    assert!(app.try_enter_shell_mode_from_bang());
    assert_eq!(
        app.input_ui.shell_mode(),
        Some(InlineShellMode::ExcludeFromContext)
    );
    app.insert_input_text("echo hi");
    let local_lines = app.active_lines_for_height(80, 24);
    let local_texts = local_lines.iter().map(line_text).collect::<Vec<_>>();
    assert!(
        local_texts
            .iter()
            .any(|line| line.contains("shell · excluded from context")),
        "top divider should carry the excluded-context shell label: {local_texts:?}"
    );
    assert!(
        local_texts.iter().all(|line| !line.contains("!!")),
        "composer should hide the !! prefix: {local_texts:?}"
    );
}

#[test]
fn shell_mode_stays_visible_in_narrow_layouts() {
    let mut app = test_app();
    assert!(app.try_enter_shell_mode_from_bang());
    app.insert_input_text("pwd");

    let lines = app.active_lines_for_height(20, 12);
    let texts = lines.iter().map(line_text).collect::<Vec<_>>();
    assert!(
        texts.iter().any(|line| line.contains("shell")),
        "narrow layout should still show a shell mode label: {texts:?}"
    );
    assert!(
        texts.iter().any(|line| line.contains("pwd")),
        "narrow layout should keep the command body: {texts:?}"
    );
}

#[test]
fn escape_exits_shell_mode_and_keeps_command_text() {
    let mut app = test_app();
    assert!(app.try_enter_shell_mode_from_bang());
    app.insert_input_text("echo hi");
    app.input_ui.set_cursor(app.input_ui.text().chars().count());

    assert!(app.exit_shell_mode());
    assert_eq!(app.input_ui.shell_mode(), None);
    assert_eq!(app.input_ui.text(), "echo hi");
    assert_eq!(app.input_ui.cursor(), "echo hi".chars().count());

    // Re-enter local shell mode after clearing back to an empty composer.
    app.input_ui.clear_text();
    app.input_ui.set_cursor(0);
    assert!(app.try_enter_shell_mode_from_bang());
    assert!(app.try_enter_shell_mode_from_bang());
    app.insert_input_text("printf ok");
    app.input_ui.set_cursor(2); // inside the visible command
    assert!(app.exit_shell_mode());
    assert_eq!(app.input_ui.text(), "printf ok");
    assert_eq!(app.input_ui.cursor(), 2);
    assert!(!app.exit_shell_mode());
}

#[test]
fn shell_mode_home_left_right_delete_backspace_word_and_paste_are_coherent() {
    let mut app = test_app();
    assert!(app.try_enter_shell_mode_from_bang());
    app.insert_input_text("echo hello world");

    // Home and left stay on the command body, not a hidden prefix.
    app.input_ui.set_cursor(app.input_char_len());
    app.input_ui.set_cursor(0);
    assert_eq!(app.input_ui.cursor(), 0);
    app.move_input_cursor_right();
    assert_eq!(app.input_ui.cursor(), 1);
    app.move_input_cursor_left();
    assert_eq!(app.input_ui.cursor(), 0);

    // Delete/backspace edit only the command text and leave shell mode intact.
    app.input_ui.set_cursor(5); // after "echo "
    app.delete_input();
    assert_eq!(app.input_ui.text(), "echo ello world");
    assert_eq!(
        app.input_ui.shell_mode(),
        Some(InlineShellMode::IncludeInContext)
    );
    app.backspace_input();
    assert_eq!(app.input_ui.text(), "echoello world");
    assert_eq!(
        app.input_ui.shell_mode(),
        Some(InlineShellMode::IncludeInContext)
    );

    // Word motion and paste operate in ordinary composer coordinates.
    app.input_ui.set_text("one two".to_string());
    app.input_ui.set_cursor(app.input_char_len());
    app.input_ui.set_cursor(previous_word_boundary(
        app.input_ui.text(),
        app.input_ui.cursor(),
    ));
    assert_eq!(app.input_ui.cursor(), 4);
    app.insert_input_text("pasted ");
    assert_eq!(app.input_ui.text(), "one pasted two");
    assert_eq!(
        app.input_ui.shell_mode(),
        Some(InlineShellMode::IncludeInContext)
    );
}

#[test]
fn bang_key_enters_and_upgrades_shell_mode_without_buffer_prefix() {
    let mut app = test_app();
    app.insert_input_char('!');
    assert_eq!(
        app.input_ui.shell_mode(),
        Some(InlineShellMode::IncludeInContext)
    );
    assert_eq!(app.input_ui.text(), "");
    assert_eq!(app.input_ui.cursor(), 0);

    app.insert_input_char('!');
    assert_eq!(
        app.input_ui.shell_mode(),
        Some(InlineShellMode::ExcludeFromContext)
    );
    assert_eq!(app.input_ui.text(), "");

    app.insert_input_char('l');
    assert_eq!(app.input_ui.text(), "l");
    assert_eq!(
        app.input_ui.shell_mode(),
        Some(InlineShellMode::ExcludeFromContext)
    );
}

#[test]
fn slash_prefixed_shell_commands_do_not_open_the_command_palette() {
    let mut app = test_app();
    app.insert_input_char('!');
    app.insert_input_text("/help");

    assert!(!app.command_palette_visible());
    assert_eq!(
        app.shell_submission(),
        Some((InlineShellMode::IncludeInContext, "/help".into()))
    );

    app.begin_provider_turn_ui();
    assert!(!app.command_palette_visible());
    assert_eq!(
        app.shell_submission(),
        Some((InlineShellMode::IncludeInContext, "/help".into()))
    );
}

#[test]
fn history_recall_restores_shell_mode_from_prefixed_entries() {
    let mut app = test_app();
    app.push_input_history("!echo hi");
    app.push_input_history("!!ls -la");

    app.recall_input_history_or_move_cursor(HistoryDirection::Previous, 80);
    assert_eq!(
        app.input_ui.shell_mode(),
        Some(InlineShellMode::ExcludeFromContext)
    );
    assert_eq!(app.input_ui.text(), "ls -la");

    app.recall_input_history_or_move_cursor(HistoryDirection::Previous, 80);
    assert_eq!(
        app.input_ui.shell_mode(),
        Some(InlineShellMode::IncludeInContext)
    );
    assert_eq!(app.input_ui.text(), "echo hi");
}

#[test]
fn dismiss_overlay_accepts_spaces_in_regex_filters() {
    let mut picker = help_picker::help_picker(&crate::keybindings::Keybindings::default());
    assert_eq!(picker.action, PickerAction::Dismiss);
    assert!(!picker.action.space_confirms_selection());
    assert!(picker.action.uses_regex_filter());

    for ch in "shell command".chars() {
        picker.push_filter_char(ch);
    }
    assert_eq!(picker.filter, "shell command");
    assert!(
        !picker.matching_indices().is_empty(),
        "regex filter with spaces should keep matching help entries"
    );

    // Space must type into the filter rather than confirming dismiss.
    assert!(!picker.action.space_confirms_selection());
    picker.push_filter_char(' ');
    assert_eq!(picker.filter, "shell command ");
}

#[test]
fn labeled_divider_falls_back_to_shortest_shell_label() {
    let line = labeled_divider_line(
        inline_shell::mode_divider_labels(InlineShellMode::IncludeInContext),
        Theme::dim(),
        12,
    )
    .expect("shortest label should fit");
    let text = line_text(&line);
    assert!(text.contains("shell"), "{text}");
    assert!(!text.contains("included"), "{text}");
}

#[test]
fn paste_burst_flushed_bang_enters_shell_mode_like_typed_char() {
    use crossterm::event::{KeyCode, KeyEvent, KeyModifiers};
    use std::time::Duration;

    let mut app = test_app();
    let start = Instant::now();
    assert!(
        app.handle_paste_burst_key_at(KeyEvent::new(KeyCode::Char('!'), KeyModifiers::NONE), start)
    );
    // Non-burst key flushes pending text through insert_paste -> insert_input_text.
    assert!(!app.handle_paste_burst_key_at(
        KeyEvent::new(KeyCode::Left, KeyModifiers::NONE),
        start + Duration::from_millis(20),
    ));
    assert_eq!(
        app.input_ui.shell_mode(),
        Some(InlineShellMode::IncludeInContext)
    );
    assert_eq!(app.input_ui.text(), "");
    assert_eq!(app.input_ui.cursor(), 0);
}

#[test]
fn paste_burst_flushed_double_bang_enters_local_shell_mode() {
    use crossterm::event::{KeyCode, KeyEvent, KeyModifiers};
    use std::time::Duration;

    let mut app = test_app();
    let start = Instant::now();
    assert!(
        app.handle_paste_burst_key_at(KeyEvent::new(KeyCode::Char('!'), KeyModifiers::NONE), start)
    );
    assert!(app.handle_paste_burst_key_at(
        KeyEvent::new(KeyCode::Char('!'), KeyModifiers::NONE),
        start + Duration::from_millis(1),
    ));
    assert!(!app.handle_paste_burst_key_at(
        KeyEvent::new(KeyCode::Left, KeyModifiers::NONE),
        start + Duration::from_millis(20),
    ));
    assert_eq!(
        app.input_ui.shell_mode(),
        Some(InlineShellMode::ExcludeFromContext)
    );
    assert_eq!(app.input_ui.text(), "");
}

#[test]
fn paste_burst_flushed_bang_command_keeps_body_without_prefix() {
    use crossterm::event::{KeyCode, KeyEvent, KeyModifiers};
    use std::time::Duration;

    let mut app = test_app();
    let start = Instant::now();
    for (i, ch) in ['!', 'e', 'c', 'h', 'o'].into_iter().enumerate() {
        assert!(app.handle_paste_burst_key_at(
            KeyEvent::new(KeyCode::Char(ch), KeyModifiers::NONE),
            start + Duration::from_millis(i as u64),
        ));
    }
    assert!(!app.handle_paste_burst_key_at(
        KeyEvent::new(KeyCode::Left, KeyModifiers::NONE),
        start + Duration::from_millis(20),
    ));
    assert_eq!(
        app.input_ui.shell_mode(),
        Some(InlineShellMode::IncludeInContext)
    );
    assert_eq!(app.input_ui.text(), "echo");
}