nexus-chat 0.1.21

A local-first terminal chat app for deep research and multi-agent work
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//! The `/skills` popup's flow half: cursor/mode state and the $EDITOR
//! handoff. `reload_skills`, the install task, and result handling stay in
//! core.

use nexus_core::app::{Popup, SkillsMode};

use crate::app_view::AppView;

impl AppView {
    pub fn open_skills_popup(&mut self) {
        self.skills_mode = SkillsMode::Browse;
        self.skills_selected = self
            .skills_selected
            .min(self.core.skills.len().saturating_sub(1));
        self.popup = Popup::Skills;
    }

    /// Re-read installed skills from disk, then re-clamp the cursor.
    pub fn reload_skills(&mut self) {
        self.core.reload_skills();
        let len = self.core.skills.len();
        self.skills_selected = self.skills_selected.min(len.saturating_sub(1));
    }

    pub fn move_skills_selection(&mut self, delta: i32) {
        self.skills_selected =
            nexus_core::app::clamp_cursor(self.skills_selected, self.core.skills.len(), delta);
    }

    pub fn start_skill_install(&mut self) {
        self.skills_edit.clear();
        self.skills_mode = SkillsMode::Install;
    }

    pub fn start_skill_remove(&mut self) {
        let Some(skill) = self.core.skills.get(self.skills_selected) else {
            return;
        };
        let name = skill.name.clone();
        let managed = self.core.skill_is_app_managed(skill);
        if managed {
            self.skills_mode = SkillsMode::ConfirmRemove;
        } else {
            self.push_status(format!(
                "cannot remove global skill '{name}' here — edit it with Ctrl+E"
            ));
        }
    }

    /// Parse the typed `owner/repo/path` (or `owner/repo`) and kick off the
    /// background GitHub fetch (the domain half owns the task).
    pub fn confirm_skill_install(&mut self) {
        let spec = self.skills_edit.clone();
        self.skills_mode = SkillsMode::Browse;
        self.core.start_skill_install(&spec);
    }

    pub fn confirm_skill_remove(&mut self) {
        let selected = self.core.skills.get(self.skills_selected).map(|skill| {
            (
                skill.name.clone(),
                skill.dir.clone(),
                self.core.skill_is_app_managed(skill),
            )
        });
        if let Some((name, dir, managed)) = selected {
            if managed {
                let _ = std::fs::remove_dir_all(dir);
                self.reload_skills();
                self.push_status(format!("removed skill: {name}"));
            } else {
                self.push_status(format!("cannot remove global skill: {name}"));
            }
        }
        self.skills_mode = SkillsMode::Browse;
    }

    /// Path to the highlighted skill's SKILL.md, for Ctrl+E in the skills popup.
    pub fn skill_edit_path_for_selected(&self) -> Option<std::path::PathBuf> {
        self.core
            .skills
            .get(self.skills_selected)
            .map(|s| s.dir.join("SKILL.md"))
    }
}