tix-tracker 0.12.0

#[allow(clippy::wildcard_imports)]
use super::*;

impl App {
    /// Open the triage inbox (`t`).
    ///
    /// A refusal — no `[triage]` section in this project, or an I/O failure —
    /// is reported on the status line and **nothing else changes**: a project
    /// that does not use triage leaves the board exactly where it was, which is
    /// T029's "navigation is unchanged when the tab is not active" from the
    /// other side.
    pub(in crate::app) fn open_triage_inbox(&mut self) -> Result<Action> {
        match crate::ui::triage::TriageState::open(&self.store) {
            Ok(state) => {
                self.triage = Some(state);
                self.mode = Mode::TriageInbox;
            }
            Err(e) => self.status_msg = Some(e.to_string()),
        }
        Ok(Action::None)
    }

    /// The inbox's keys (WP06, T029–T032).
    ///
    /// Two layers, exactly as the batch modal has one: an open decision modal
    /// takes the key first, and the list has it otherwise. Every branch here
    /// either moves a cursor that belongs to *this* view or calls a shared
    /// service — no `IssuePatch`, no `store.update`, and no status compared
    /// against a literal. Cancellation drops the modal and changes nothing else;
    /// the queue is re-read only after an apply has actually run.
    #[allow(clippy::too_many_lines)]
    pub(in crate::app) fn handle_triage_key(&mut self, key: KeyEvent) -> Result<Action> {
        use crate::ui::triage::ModalState;

        let Some(mut state) = self.triage.take() else {
            self.mode = Mode::Board;
            return Ok(Action::None);
        };

        let editing = state.modal.as_ref().is_some_and(|m| m.editing);
        let armed = state.modal.as_ref().is_some_and(|m| m.is_armed());
        let previewed = matches!(
            state.modal.as_ref().map(|m| &m.state),
            Some(ModalState::Preview(_))
        );
        let mut closed = false;
        let mut chosen: Option<(TriageDropdownKind, String)> = None;
        let mut create_title: Option<String> = None;
        let mut activate: Option<TriageControl> = None;

        // Priority: picker, then create prompt, then decision modal, then list.
        // A picker and the create prompt can never coexist with a modal, so a
        // letter typed into a decline reason is never stolen (tui-triage-mode).
        if state.dropdown.is_some() {
            if let Some(choice) = state.handle_dropdown_key(key.code) {
                chosen = Some(choice);
            }
        } else if state.creating {
            match key.code {
                KeyCode::Esc => {
                    state.creating = false;
                    state.create_buffer.clear();
                }
                KeyCode::Enter => {
                    let title = state.create_buffer.trim().to_string();
                    state.creating = false;
                    state.create_buffer.clear();
                    if title.is_empty() {
                        state.note = Some("a title is required".to_string());
                    } else {
                        create_title = Some(title);
                    }
                }
                KeyCode::Backspace => {
                    state.create_buffer.pop();
                }
                KeyCode::Char(c) => state.create_buffer.push(c),
                _ => {}
            }
        } else if state.modal.is_some() {
            match key.code {
                // `esc` while a field is being typed reverts the draft rather
                // than closing — the footer says "esc revert", and a revert
                // that closed the modal would take the row it reverted with it.
                KeyCode::Esc if editing => {
                    if let Some(modal) = state.modal.as_mut() {
                        modal.abort_edit();
                    }
                }
                // Cancels from every state: the plan and the draft go, the
                // committed fields stay, and no file moved (T032). The report
                // goes with the user when it is a refusal — a refusal nobody
                // can re-read after pressing `esc` is not a report.
                KeyCode::Esc => {
                    let carried = match state.modal.as_ref().map(|m| &m.state) {
                        Some(ModalState::Done(text)) | Some(ModalState::Refused(text)) => {
                            Some(text.lines().next().unwrap_or(text.as_str()).to_string())
                        }
                        _ => None,
                    };
                    state.close_modal();
                    if carried.is_some() {
                        state.note = carried;
                    }
                }
                KeyCode::Enter if editing => {
                    if let Some(modal) = state.modal.as_mut() {
                        modal.commit_edit();
                    }
                }
                KeyCode::Enter => {
                    let ok_focused = state.modal.as_ref().is_some_and(|modal| modal.ok_focused);
                    if ok_focused {
                        state.modal_ok(&self.store)?;
                    } else if state.modal.as_ref().is_some_and(|modal| {
                        matches!(&modal.state, ModalState::Editing)
                            && modal.field(modal.cursor) == crate::ui::triage::DecisionField::Target
                    }) {
                        let current = state
                            .modal
                            .as_ref()
                            .map(|modal| modal.target.trim().to_string())
                            .unwrap_or_default();
                        let columns = self.active_board_config().columns.clone();
                        state.open_dropdown(
                            TriageDropdownKind::DecisionTarget,
                            crate::ui::triage::status_options(&columns),
                            (!current.is_empty()).then_some(current.as_str()),
                        );
                    } else if let Some(modal) = state.modal.as_mut() {
                        modal.begin_edit();
                    }
                }
                KeyCode::Backspace if editing => {
                    if let Some(modal) = state.modal.as_mut() {
                        modal.pop_char();
                    }
                }
                KeyCode::Char(c) if editing => {
                    if let Some(modal) = state.modal.as_mut() {
                        modal.push_char(c);
                    }
                }
                // The cursor does not move while a field is being typed:
                // `commit_edit` writes the draft to the row the cursor is on,
                // so a cursor that could travel mid-edit would file half a
                // reason under the wrong label.
                KeyCode::Tab | KeyCode::Down | KeyCode::Char('j') if !editing => {
                    if let Some(modal) = state.modal.as_mut() {
                        modal.move_focus(1);
                    }
                }
                KeyCode::BackTab | KeyCode::Up | KeyCode::Char('k') if !editing => {
                    if let Some(modal) = state.modal.as_mut() {
                        modal.move_focus(-1);
                    }
                }
                // The target row, when the decision has one — the same `t` the
                // batch modal gives its pair target.
                KeyCode::Char('t') if !editing => {
                    if let Some(modal) = state.modal.as_mut() {
                        let wanted = if modal.kind == crate::triage::DecisionKind::Accept {
                            crate::ui::triage::DecisionField::Target
                        } else {
                            crate::ui::triage::DecisionField::DuplicateOf
                        };
                        if let Some(index) = modal.fields.iter().position(|f| *f == wanted) {
                            modal.cursor = index;
                            modal.ok_focused = false;
                        }
                    }
                }
                // Cycle the verb. The selection and the already-typed fields
                // survive it, for the reason the batch modal's `a` keeps the
                // selection: a user who marked ten does not re-mark them to
                // change their mind about what to do with them.
                KeyCode::Char('a') => {
                    if let Some(modal) = state.modal.as_mut() {
                        modal.cycle_kind();
                    }
                }
                KeyCode::Char('p') => state.preview(&self.store)?,
                KeyCode::Char('y') => {
                    if armed || previewed {
                        state.confirm(&self.store)?;
                    } else {
                        state.note = Some("press `p` to preview first".to_string());
                    }
                }
                _ => {}
            }
        } else {
            match key.code {
                KeyCode::Esc | KeyCode::Char('q') | KeyCode::Char('Q') => closed = true,
                KeyCode::Up | KeyCode::Char('k') => state.move_cursor(-1),
                KeyCode::Down | KeyCode::Char('j') => state.move_cursor(1),
                KeyCode::Char(' ') => state.toggle_current(),
                // Oldest first, the TUI's `--age`. Toggling re-reads the queue
                // rather than re-sorting a snapshot, so the ages cannot be
                // computed against two different `today`s.
                KeyCode::Char('A') => {
                    if state.rows.is_empty() {
                        self.action_feedback = Some(super::ActionFeedback::new(
                            "sort triage by age",
                            "the triage inbox has no issues to sort",
                            "press n to create one in the entry column",
                        ));
                    }
                    state.by_age = !state.by_age;
                    state.refresh(&self.store)?;
                }
                KeyCode::Char('a') => {
                    let columns = self.active_board_config().columns.clone();
                    state.open_action(crate::triage::DecisionKind::Accept, &self.store, &columns);
                }
                KeyCode::Char('d') => {
                    let columns = self.active_board_config().columns.clone();
                    state.open_action(crate::triage::DecisionKind::Decline, &self.store, &columns);
                }
                KeyCode::Char('u') => {
                    let columns = self.active_board_config().columns.clone();
                    state.open_action(
                        crate::triage::DecisionKind::Duplicate,
                        &self.store,
                        &columns,
                    );
                }
                KeyCode::Char('f') => {
                    let columns = self.active_board_config().columns.clone();
                    state.open_action(crate::triage::DecisionKind::Defer, &self.store, &columns);
                }
                // The batch modal over everything marked; `a` inside it picks
                // the decision, exactly as the batch modal's `a` picks its
                // action.
                KeyCode::Char('p') => {
                    let columns = self.active_board_config().columns.clone();
                    state.open_batch(crate::triage::DecisionKind::Accept, &self.store, &columns);
                }
                // The status picker: exactly the active board's columns. The
                // direct key moves the focus onto the control it opened, the
                // same as a click or `enter` does.
                KeyCode::Char('s') => {
                    let columns = self.active_board_config().columns.clone();
                    let options = crate::ui::triage::status_options(&columns);
                    let current = state
                        .current()
                        .map(|row| row.issue.status.display().to_string());
                    state.focus = TriageControl::Status;
                    state.open_dropdown(TriageDropdownKind::Status, options, current.as_deref());
                }
                // The assignee picker: storage folders + team members + current.
                KeyCode::Char('@') => {
                    let current = state.current().and_then(|row| row.issue.assignee.clone());
                    let options =
                        crate::ui::triage::assignee_options(&self.store, current.as_deref());
                    state.focus = TriageControl::Assignee;
                    state.open_dropdown(TriageDropdownKind::Assignee, options, current.as_deref());
                }
                // Create an issue straight into the inbox's entry column.
                KeyCode::Char('n') => {
                    state.focus = TriageControl::New;
                    state.creating = true;
                    state.create_buffer.clear();
                }
                // The control bar's own axis (tui-triage-mode). `h`/`l` are
                // **raw** keys, never bindings in this context: the inbox is a
                // text-entry context (`allows_text_fallback`), so a binding
                // would rewrite those letters while a decline reason or a
                // duplicate target is being typed. This branch is reached only
                // with no modal, picker, or prompt open — the same "nothing is
                // being typed" state `!editing` names in the modal branch.
                KeyCode::Left | KeyCode::Char('h') => state.move_focus(-1),
                KeyCode::Right | KeyCode::Char('l') => state.move_focus(1),
                // `enter` activates the focused control. On `queue` it is the
                // no-op it has always been: the queue's keys act on the list
                // directly and need no activation step.
                KeyCode::Enter => activate = Some(state.focus),
                _ => {}
            }
        }

        if let Some(title) = create_title {
            self.triage = Some(state);
            self.create_triage_issue(&title)?;
            return Ok(Action::None);
        }
        if let Some((kind, id)) = chosen {
            self.triage = Some(state);
            match kind {
                TriageDropdownKind::Status => self.move_focused_triage_issue(&id)?,
                TriageDropdownKind::DecisionTarget => {
                    if let Some(state) = self.triage.as_mut()
                        && let Some(modal) = state.modal.as_mut()
                    {
                        modal.choose_target(id);
                    }
                }
                TriageDropdownKind::Assignee => self.assign_focused_triage_issue(&id)?,
            }
            return Ok(Action::None);
        }

        if closed {
            // The note goes to the status line rather than being dropped with
            // the view — the batch modal's handler does the same thing for the
            // same reason.
            let note = state.note.clone();
            self.triage = None;
            self.mode = Mode::Board;
            self.refresh_corpus()?;
            if note.is_some() {
                self.status_msg = note;
            }
            return Ok(Action::None);
        }

        self.triage = Some(state);
        self.mode = Mode::TriageInbox;
        // `enter` on the focused control runs the very same path a click on it
        // does, so the two can never drift.
        if let Some(control) = activate {
            match control {
                TriageControl::Queue => {}
                TriageControl::Status => self.open_triage_status_dropdown(),
                TriageControl::Assignee => self.open_triage_assignee_dropdown(),
                TriageControl::New => {
                    self.apply_triage_action(Action::TriageCreate)?;
                }
            }
            return Ok(Action::None);
        }
        Ok(Action::None)
    }

    /// Open the status picker: exactly the active board's columns, in board
    /// order, with the focused issue's current column preselected. The status
    /// control becomes the focused one, so `enter` reopens what a click opened
    /// (tui-triage-mode).
    pub(in crate::app) fn open_triage_status_dropdown(&mut self) {
        let columns = self.active_board_config().columns.clone();
        let options = crate::ui::triage::status_options(&columns);
        if let Some(state) = self.triage.as_mut() {
            state.focus = TriageControl::Status;
            let current = state
                .current()
                .map(|row| row.issue.status.display().to_string());
            state.open_dropdown(TriageDropdownKind::Status, options, current.as_deref());
        }
    }

    /// Open the assignee picker: `docs/issues/<username>/` folders, configured
    /// team members, and the focused issue's current value (design D6). The
    /// assignee control becomes the focused one.
    pub(in crate::app) fn open_triage_assignee_dropdown(&mut self) {
        let current = self
            .triage
            .as_ref()
            .and_then(|state| state.current())
            .and_then(|row| row.issue.assignee.clone());
        let options = crate::ui::triage::assignee_options(&self.store, current.as_deref());
        if let Some(state) = self.triage.as_mut() {
            state.focus = TriageControl::Assignee;
            state.open_dropdown(TriageDropdownKind::Assignee, options, current.as_deref());
        }
    }

    /// Move the focused triage issue to `target` through the **shared** move
    /// path, so the blocked-move and terminal-transition guards still apply. A
    /// refusal (an unacknowledged blocked move, a terminal exit without a
    /// reason) is reported on the mode's note rather than bypassed.
    pub(in crate::app) fn move_focused_triage_issue(&mut self, target: &str) -> Result<()> {
        let Some(number) = self
            .triage
            .as_ref()
            .and_then(|state| state.current())
            .map(|row| row.issue.number)
        else {
            return Ok(());
        };
        // WP05 T023/T024: the inbox's move is a move like any other, so it asks the
        // same policy. There is no room for a modal in the inbox, so a blocking
        // decision is reported on the inbox's note and the move does not happen —
        // the same rule the acknowledgement below follows: nothing is written
        // without the decision it requires.
        let wip_event = match self.wip_decision(number, target, None, None) {
            Some(decision) if !decision.is_committable() => {
                if let Some(state) = self.triage.as_mut() {
                    state.note = Some(crate::wip::render_decision(&decision));
                }
                return Ok(());
            }
            Some(decision) => decision.history,
            None => None,
        };
        match crate::commands::mv::apply_guarded(
            &self.store.config,
            &self.store,
            &number.to_string(),
            target,
            None,
            None,
            // No acknowledgement is offered inline: a blocked move stays blocked
            // rather than being written without the decision it requires.
            false,
            wip_event.as_ref(),
        ) {
            Ok(moved) => {
                if let Some(state) = self.triage.as_mut() {
                    state.refresh(&self.store)?;
                    state.note = Some(format!("Moved #{} to {target}", moved.issue.number));
                }
                self.refresh_corpus()?;
            }
            Err(e) => {
                if let Some(state) = self.triage.as_mut() {
                    state.note = Some(e.to_string());
                }
            }
        }
        Ok(())
    }

    /// Set the focused triage issue's assignee through `tix edit --assignee`'s
    /// own core, so the field and the file relocation are exactly the CLI's.
    pub(in crate::app) fn assign_focused_triage_issue(&mut self, assignee: &str) -> Result<()> {
        let Some(number) = self
            .triage
            .as_ref()
            .and_then(|state| state.current())
            .map(|row| row.issue.number)
        else {
            return Ok(());
        };
        match crate::commands::edit::apply(
            &self.store.config,
            &self.store,
            &number.to_string(),
            None,
            None,
            None,
            None,
            Some(assignee),
            None,
            None,
            None,
            None,
            None,
            None,
            None,
            None,
            None,
            None,
            None,
            None,
            None,
        ) {
            Ok(issue) => {
                if let Some(state) = self.triage.as_mut() {
                    state.refresh(&self.store)?;
                    state.note = Some(format!("Assigned #{} to {assignee}", issue.number));
                }
                self.refresh_corpus()?;
            }
            Err(e) => {
                if let Some(state) = self.triage.as_mut() {
                    state.note = Some(e.to_string());
                }
            }
        }
        Ok(())
    }

    /// Create an issue from inside the Triage mode, straight into the
    /// configured entry column, through the shared create core (so the entry
    /// stamp is recorded and it appears in the queue).
    pub(in crate::app) fn create_triage_issue(&mut self, title: &str) -> Result<()> {
        let entry = self
            .store
            .config
            .triage
            .as_ref()
            .and_then(|triage| triage.entry_status.clone())
            .ok_or_else(|| {
                TixError::InvalidInput(
                    "the triage inbox needs a `[triage]` section in tix.toml, and this project \
                     has none"
                        .to_string(),
                )
            })?;
        let issue = crate::commands::create::create(
            &self.store.config,
            &self.store,
            title,
            None,
            Some(crate::model::Status::new(entry.clone())),
            None,
            None,
            None,
            None,
            None,
            None,
            None,
            None,
            None,
            None,
            None,
            None,
            None,
        )?;
        if let Some(state) = self.triage.as_mut() {
            state.refresh(&self.store)?;
            state.note = Some(format!("Created #{} in {entry}", issue.number));
        }
        self.refresh_corpus()?;
        Ok(())
    }

    /// Run a Triage-mode pointer action recorded during the draw. Public so the
    /// hit-region tests drive the same path the run loop does.
    pub fn apply_triage_action(&mut self, action: Action) -> Result<Action> {
        match action {
            Action::TriageOpenStatus => self.open_triage_status_dropdown(),
            Action::TriageOpenAssignee => self.open_triage_assignee_dropdown(),
            Action::TriageCreate => {
                if let Some(state) = self.triage.as_mut() {
                    state.dropdown = None;
                    state.focus = TriageControl::New;
                    state.creating = true;
                    state.create_buffer.clear();
                }
            }
            Action::TriageFocusQueue => {
                if let Some(state) = self.triage.as_mut() {
                    state.focus = TriageControl::Queue;
                }
            }
            Action::TriageDropdownClose => {
                if let Some(state) = self.triage.as_mut() {
                    state.close_dropdown();
                }
            }
            Action::TriageModalOk => {
                if let Some(state) = self.triage.as_mut() {
                    state.modal_ok(&self.store)?;
                }
            }
            Action::TriagePickOption(row) => {
                let chosen = self.triage.as_mut().and_then(|state| {
                    let (kind, id) = {
                        let dropdown = state.dropdown.as_ref()?;
                        let index = *dropdown.state.visible_indices().get(row)?;
                        (dropdown.kind, dropdown.state.options.get(index)?.id.clone())
                    };
                    state.dropdown = None;
                    Some((kind, id))
                });
                if let Some((kind, id)) = chosen {
                    match kind {
                        TriageDropdownKind::Status => self.move_focused_triage_issue(&id)?,
                        TriageDropdownKind::DecisionTarget => {
                            if let Some(state) = self.triage.as_mut()
                                && let Some(modal) = state.modal.as_mut()
                            {
                                modal.choose_target(id);
                            }
                        }
                        TriageDropdownKind::Assignee => self.assign_focused_triage_issue(&id)?,
                    }
                }
            }
            _ => {}
        }
        Ok(Action::None)
    }

    /// Open the decision modal for one issue directly, bypassing the inbox list
    /// but not its service. The row is located by number, then `open_single`
    /// builds the same plan the `a`/`d`/`u`/`f` keys build.
    pub(in crate::app) fn open_triage_decision(
        &mut self,
        number: u32,
        decision: crate::triage::DecisionKind,
    ) -> Result<Action> {
        let mut state = match crate::ui::triage::TriageState::open(&self.store) {
            Ok(state) => state,
            Err(error) => {
                self.status_msg = Some(error.to_string());
                return Ok(Action::None);
            }
        };
        let Some(index) = state.rows.iter().position(|row| row.issue.number == number) else {
            self.status_msg = Some(format!(
                "#{number} is not in the triage inbox (does it sit in the entry column?)"
            ));
            return Ok(Action::None);
        };
        state.cursor = index;
        let columns = self.active_board_config().columns.clone();
        if !state.open_single(decision, &self.store, &columns) {
            let note = state.note.clone();
            self.triage = Some(state);
            self.mode = Mode::TriageInbox;
            self.status_msg = note;
            return Ok(Action::None);
        }
        self.triage = Some(state);
        self.mode = Mode::TriageInbox;
        Ok(Action::None)
    }
}