702 lines
30 KiB
Rust
702 lines
30 KiB
Rust
// src/app.rs
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use crate::config::Config;
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use crate::error::Result;
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use crate::executor;
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use crate::menu::{Action, InteractionMode, MenuItem, MenuItemKind, MenuRoot};
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use crate::network;
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use crate::updater;
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use crossterm::event::{Event as CrosstermEvent, KeyCode, KeyEventKind};
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use tokio::sync::mpsc::UnboundedSender;
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#[derive(Debug)]
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pub enum Event {
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Crossterm(CrosstermEvent),
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MenuLoaded(Result<MenuRoot>),
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ActionCompleted,
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Error(String),
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StructuredCommand(executor::StructuredCommand),
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StructuredOutput(String),
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StructuredFinished(i32),
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UpdateAvailable(updater::UpdateInfo),
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UpdateProgress(u64),
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/// Carries the exe path captured before the binary was replaced.
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UpdateDone(std::path::PathBuf),
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UpdateError(String),
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}
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/// A pending request to hand the terminal to an external interactive process.
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/// Set by the structured-protocol handler; consumed by the main event loop.
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pub struct PendingExec {
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pub shell: String,
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pub reply_tx: tokio::sync::mpsc::UnboundedSender<String>,
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}
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pub struct App {
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pub config: Config,
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pub menu: Option<MenuRoot>,
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pub error: Option<String>,
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pub breadcrumbs: Vec<usize>,
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pub selected_index: usize,
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pub popup: Option<Popup>,
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pub event_tx: UnboundedSender<Event>,
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/// When set, main loop suspends ratatui, runs the command, then restores.
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pub pending_exec: Option<PendingExec>,
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/// Exe path to exec after update; captured before the binary was replaced.
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pub pending_restart: Option<std::path::PathBuf>,
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}
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pub enum Popup {
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Confirming {
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action: Action,
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item_title: String,
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confirm_message: Option<String>,
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},
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ExecutingBashTerminal { child: tokio::process::Child },
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ExecutingStructured {
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reply_tx: tokio::sync::mpsc::UnboundedSender<String>,
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/// Fires SIGTERM to the script's process group on Esc.
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kill_tx: Option<tokio::sync::oneshot::Sender<()>>,
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log_buffer: Vec<String>,
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current_command: Option<executor::StructuredCommand>,
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input_buffer: String,
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/// Cursor position for Menu-type commands.
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menu_selected_index: usize,
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/// Index of the first visible line in log_buffer (0 = top of output).
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log_scroll_pos: usize,
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/// When true, keep position pinned to the bottom as new output arrives.
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log_follow_bottom: bool,
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/// Set when the process has exited; popup stays open until Esc.
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finished: Option<i32>,
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},
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Downloading { progress: f32, message: String },
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Message { text: String, level: MessageLevel },
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UpdateConfirm {
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info: updater::UpdateInfo,
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},
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Updating {
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info: updater::UpdateInfo,
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downloaded: u64,
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status: UpdatingStatus,
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},
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}
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#[derive(Debug, PartialEq)]
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pub enum UpdatingStatus {
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Downloading,
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Applying,
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Done,
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Failed(String),
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}
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#[derive(Debug, Clone, Copy)]
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pub enum MessageLevel {
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Info,
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Warn,
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Error,
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}
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impl App {
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pub fn new(config: Config, event_tx: UnboundedSender<Event>) -> Self {
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Self {
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config,
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menu: None,
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error: None,
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breadcrumbs: Vec::new(),
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selected_index: 0,
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popup: None,
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event_tx,
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pending_exec: None,
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pending_restart: None,
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}
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}
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pub fn check_update(&mut self) {
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let api_base = match &self.config.update_api {
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Some(url) => url.clone(),
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None => return,
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};
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let timeout = self.config.timeout_sec;
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let tx = self.event_tx.clone();
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tokio::spawn(async move {
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if let Ok(Some(info)) = updater::check(&api_base, timeout).await {
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let _ = tx.send(Event::UpdateAvailable(info));
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}
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});
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}
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pub async fn load_menu(&mut self) {
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let server_url = self.config.server_url.clone();
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let timeout = self.config.timeout_sec;
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let tx = self.event_tx.clone();
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tokio::spawn(async move {
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let result = network::fetch_menu(&server_url, timeout).await;
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let _ = tx.send(Event::MenuLoaded(result));
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});
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}
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pub fn current_items(&self) -> Vec<&MenuItem> {
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if self.breadcrumbs.is_empty() {
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self.menu
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.as_ref()
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.map(|root| root.menu.iter().collect())
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.unwrap_or_default()
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} else {
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let mut items = &self.menu.as_ref().unwrap().menu;
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for &idx in &self.breadcrumbs {
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if let MenuItemKind::Category { children } = &items[idx].kind {
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items = children;
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} else {
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return vec![];
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}
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}
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items.iter().collect()
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}
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}
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pub fn selected_item(&self) -> Option<&MenuItem> {
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let items = self.current_items();
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items.get(self.selected_index).copied()
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}
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pub async fn handle_event(&mut self, event: Event) -> Result<bool> {
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match event {
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Event::Crossterm(evt) => self.handle_crossterm_event(evt).await,
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Event::MenuLoaded(Ok(menu)) => {
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self.menu = Some(menu);
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self.error = None;
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Ok(false)
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}
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Event::MenuLoaded(Err(e)) => {
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self.error = Some(format!("Ошибка загрузки меню: {}", e));
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Ok(false)
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}
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Event::Error(msg) => {
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self.error = Some(msg);
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Ok(false)
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}
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Event::ActionCompleted => {
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self.popup = None;
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Ok(false)
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}
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Event::StructuredCommand(cmd) => {
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// Exec hands the terminal to an external process — clone reply_tx,
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// store as pending_exec, and skip setting current_command so the
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// main loop can suspend ratatui immediately.
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if let executor::StructuredCommand::Exec { shell } = &cmd {
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if let Some(Popup::ExecutingStructured { reply_tx, .. }) = &self.popup {
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self.pending_exec = Some(PendingExec {
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shell: shell.clone(),
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reply_tx: reply_tx.clone(),
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});
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}
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return Ok(false);
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}
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if let Some(Popup::ExecutingStructured {
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current_command,
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menu_selected_index,
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..
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}) = &mut self.popup
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{
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if matches!(cmd, executor::StructuredCommand::Menu { .. }) {
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*menu_selected_index = 0;
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}
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*current_command = Some(cmd);
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}
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Ok(false)
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}
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Event::StructuredOutput(line) => {
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if let Some(Popup::ExecutingStructured {
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log_buffer,
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log_follow_bottom,
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log_scroll_pos,
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..
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}) = &mut self.popup
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{
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log_buffer.push(line);
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// log_follow_bottom: render will pin pos to bottom.
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// Otherwise pos stays fixed → new line appears off-screen.
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let _ = (log_follow_bottom, log_scroll_pos); // used by render
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}
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Ok(false)
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}
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Event::StructuredFinished(exit_code) => {
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if let Some(Popup::ExecutingStructured { finished, .. }) = &mut self.popup {
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*finished = Some(exit_code);
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}
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// If popup was already closed (user pressed Esc to kill the
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// script), we silently discard the exit event.
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Ok(false)
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}
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Event::UpdateAvailable(info) => {
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// Only show if no popup is currently open (don't interrupt running scripts)
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if self.popup.is_none() {
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self.popup = Some(Popup::UpdateConfirm { info });
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}
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Ok(false)
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}
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Event::UpdateProgress(bytes) => {
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if let Some(Popup::Updating { downloaded, .. }) = &mut self.popup {
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*downloaded = bytes;
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}
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Ok(false)
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}
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Event::UpdateDone(exe_path) => {
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if let Some(Popup::Updating { status, .. }) = &mut self.popup {
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*status = UpdatingStatus::Done;
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}
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self.pending_restart = Some(exe_path);
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Ok(false)
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}
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Event::UpdateError(msg) => {
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if let Some(Popup::Updating { status, .. }) = &mut self.popup {
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*status = UpdatingStatus::Failed(msg);
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}
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Ok(false)
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}
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}
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}
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async fn handle_crossterm_event(&mut self, evt: CrosstermEvent) -> Result<bool> {
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match evt {
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CrosstermEvent::Key(key) if key.kind == KeyEventKind::Press => {
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if let Some(popup) = &mut self.popup {
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match popup {
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Popup::Confirming { action, .. } => {
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match key.code {
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KeyCode::Char('y') | KeyCode::Char('Y') => {
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let action = action.clone();
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self.popup = None;
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self.run_action(action).await?;
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}
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KeyCode::Char('n') | KeyCode::Char('N') | KeyCode::Esc => {
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self.popup = None;
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}
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_ => {}
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}
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return Ok(false);
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}
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Popup::ExecutingStructured {
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reply_tx,
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kill_tx,
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input_buffer,
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current_command,
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menu_selected_index,
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log_scroll_pos,
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log_follow_bottom,
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log_buffer,
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finished,
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} => {
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let is_menu = matches!(
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current_command,
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Some(executor::StructuredCommand::Menu { .. })
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);
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let is_confirm = matches!(
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current_command,
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Some(executor::StructuredCommand::Confirm { .. })
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);
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let has_command = current_command.is_some();
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// Vim motions are disabled only when free text input is active.
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let is_text_input = matches!(
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current_command,
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Some(executor::StructuredCommand::Input { .. })
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);
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match key.code {
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// ── Log scrolling (PageUp / PageDown always work) ─
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KeyCode::PageUp => {
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*log_scroll_pos = log_scroll_pos.saturating_sub(10);
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*log_follow_bottom = false;
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}
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KeyCode::PageDown => {
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*log_scroll_pos = log_scroll_pos.saturating_add(10);
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// Render will clamp to max; if we're at the
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// bottom, mark as following.
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*log_follow_bottom =
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*log_scroll_pos + 1 >= log_buffer.len();
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}
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// ── Arrow keys ────────────────────────────────────
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KeyCode::Up if is_menu => {
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if *menu_selected_index > 0 {
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*menu_selected_index -= 1;
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}
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}
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KeyCode::Down if is_menu => {
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if let Some(executor::StructuredCommand::Menu {
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options, ..
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}) = current_command
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{
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if *menu_selected_index + 1 < options.len() {
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*menu_selected_index += 1;
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}
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}
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}
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// Scroll log one line when no interactive command pending
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KeyCode::Up if !has_command => {
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*log_scroll_pos = log_scroll_pos.saturating_sub(1);
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*log_follow_bottom = false;
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}
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KeyCode::Down if !has_command => {
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*log_scroll_pos = log_scroll_pos.saturating_add(1);
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*log_follow_bottom =
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*log_scroll_pos + 1 >= log_buffer.len();
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}
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// ── Confirm shortcuts (immediate, no Enter needed) ─
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KeyCode::Char('y') | KeyCode::Char('Y') if is_confirm => {
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let _ = current_command.take();
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let _ = reply_tx.send("y".to_string());
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input_buffer.clear();
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}
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KeyCode::Char('n') | KeyCode::Char('N') if is_confirm => {
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let _ = current_command.take();
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let _ = reply_tx.send("n".to_string());
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input_buffer.clear();
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}
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// ── Text input ────────────────────────────────────
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// Vim motion keys (j/k/l/h) are excluded here so they
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// fall through to the vim-motion arms below.
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KeyCode::Char(c)
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if !is_menu
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&& !is_confirm
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&& (is_text_input
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|| !matches!(c, 'j' | 'k' | 'l' | 'h')) =>
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{
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input_buffer.push(c);
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}
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KeyCode::Backspace if !is_menu => {
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input_buffer.pop();
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}
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// ── Enter: commit response ────────────────────────
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KeyCode::Enter => {
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if let Some(cmd) = current_command.take() {
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let response = match &cmd {
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executor::StructuredCommand::Input { .. } => {
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input_buffer.clone()
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}
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executor::StructuredCommand::Confirm { .. } => {
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if input_buffer.to_lowercase().starts_with('y') {
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"y".to_string()
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} else {
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"n".to_string()
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}
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}
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executor::StructuredCommand::Menu {
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options, ..
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} => options
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.get(*menu_selected_index)
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.map(|opt| opt.id.clone())
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.unwrap_or_default(),
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// Message / Progress: send empty ack.
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_ => String::new(),
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};
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let _ = reply_tx.send(response);
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input_buffer.clear();
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*menu_selected_index = 0;
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}
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}
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// ── Esc ──────────────────────────────────────────
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KeyCode::Esc => {
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if is_confirm {
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let _ = current_command.take();
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let _ = reply_tx.send("n".to_string());
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} else {
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if let Some(kx) = kill_tx.take() {
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let _ = kx.send(());
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}
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self.popup = None;
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}
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}
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// ── Vim motions (off during text input) ───────────
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KeyCode::Char('k') if !is_text_input => {
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if is_menu {
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if *menu_selected_index > 0 {
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*menu_selected_index -= 1;
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}
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} else if !has_command {
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*log_scroll_pos = log_scroll_pos.saturating_sub(1);
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*log_follow_bottom = false;
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}
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}
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KeyCode::Char('j') if !is_text_input => {
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if is_menu {
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if let Some(executor::StructuredCommand::Menu {
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options, ..
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}) = current_command
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{
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if *menu_selected_index + 1 < options.len() {
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*menu_selected_index += 1;
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}
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}
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} else if !has_command {
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*log_scroll_pos = log_scroll_pos.saturating_add(1);
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*log_follow_bottom =
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*log_scroll_pos + 1 >= log_buffer.len();
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}
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}
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KeyCode::Char('l') if !is_text_input => {
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// Forward / confirm — same logic as Enter.
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if let Some(cmd) = current_command.take() {
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let response = match &cmd {
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executor::StructuredCommand::Confirm { .. } => {
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"y".to_string()
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}
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executor::StructuredCommand::Menu {
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options, ..
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} => options
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.get(*menu_selected_index)
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.map(|o| o.id.clone())
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.unwrap_or_default(),
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_ => String::new(),
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};
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let _ = reply_tx.send(response);
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input_buffer.clear();
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*menu_selected_index = 0;
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}
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}
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KeyCode::Char('h') if !is_text_input => {
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// Back / cancel — same logic as Esc.
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if is_confirm {
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let _ = current_command.take();
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let _ = reply_tx.send("n".to_string());
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} else {
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if let Some(kx) = kill_tx.take() {
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let _ = kx.send(());
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}
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self.popup = None;
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}
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}
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_ => {}
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}
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return Ok(false);
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}
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Popup::Message { .. } => {
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self.popup = None;
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return Ok(false);
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}
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Popup::UpdateConfirm { info } => {
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match key.code {
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KeyCode::Char('y') | KeyCode::Char('Y') | KeyCode::Char('l') => {
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let info = info.clone();
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self.popup = Some(Popup::Updating {
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info: info.clone(),
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downloaded: 0,
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status: UpdatingStatus::Downloading,
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});
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let (progress_tx, mut progress_rx) =
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tokio::sync::mpsc::unbounded_channel::<u64>();
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let tx = self.event_tx.clone();
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let info_clone = info.clone();
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// Forward progress events
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tokio::spawn(async move {
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while let Some(bytes) = progress_rx.recv().await {
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let _ = tx.send(Event::UpdateProgress(bytes));
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}
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});
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// Download and apply
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let tx2 = self.event_tx.clone();
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tokio::spawn(async move {
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match updater::download_and_apply(
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&info_clone,
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progress_tx,
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)
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.await
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{
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Ok(exe_path) => {
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// Write expected version before exec so
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// the next startup can detect a failed
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// replacement (wrong asset, etc.).
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updater::write_update_target(
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&info_clone.new_version,
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);
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let _ = tx2.send(Event::UpdateDone(exe_path));
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}
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Err(e) => {
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let _ =
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tx2.send(Event::UpdateError(e.to_string()));
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}
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}
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});
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}
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KeyCode::Char('n') | KeyCode::Char('N')
|
|
| KeyCode::Esc | KeyCode::Char('h') => {
|
|
self.popup = None;
|
|
}
|
|
_ => {}
|
|
}
|
|
return Ok(false);
|
|
}
|
|
|
|
Popup::Updating { status, .. } => {
|
|
if key.code == KeyCode::Esc {
|
|
if matches!(status, UpdatingStatus::Failed(_)) {
|
|
self.popup = None;
|
|
}
|
|
// Ignore Esc while downloading/applying
|
|
}
|
|
return Ok(false);
|
|
}
|
|
|
|
_ => {}
|
|
}
|
|
}
|
|
|
|
// ── Main menu navigation ─────────────────────────────────────────
|
|
match key.code {
|
|
KeyCode::Char('q') => return Ok(true),
|
|
KeyCode::Up | KeyCode::Char('k') => {
|
|
let len = self.current_items().len();
|
|
if len > 0 {
|
|
self.selected_index = (self.selected_index + len - 1) % len;
|
|
}
|
|
}
|
|
KeyCode::Down | KeyCode::Char('j') => {
|
|
let len = self.current_items().len();
|
|
if len > 0 {
|
|
self.selected_index = (self.selected_index + 1) % len;
|
|
}
|
|
}
|
|
KeyCode::Enter | KeyCode::Char('l') => {
|
|
if let Some(item) = self.selected_item().cloned() {
|
|
self.activate_item(item).await?;
|
|
}
|
|
}
|
|
KeyCode::Esc | KeyCode::Char('h') => {
|
|
if !self.breadcrumbs.is_empty() {
|
|
self.breadcrumbs.pop();
|
|
self.selected_index = 0;
|
|
}
|
|
}
|
|
KeyCode::Char('r') | KeyCode::Char('R') => {
|
|
self.load_menu().await;
|
|
}
|
|
_ => {}
|
|
}
|
|
}
|
|
_ => {}
|
|
}
|
|
Ok(false)
|
|
}
|
|
|
|
async fn activate_item(&mut self, item: MenuItem) -> Result<()> {
|
|
match item.kind {
|
|
MenuItemKind::Category { children: _ } => {
|
|
if let Some(idx) = self.current_items().iter().position(|i| i.id == item.id) {
|
|
self.breadcrumbs.push(idx);
|
|
self.selected_index = 0;
|
|
}
|
|
}
|
|
MenuItemKind::Action { action } => {
|
|
if action.confirm() {
|
|
let confirm_message = action.confirm_message();
|
|
self.popup = Some(Popup::Confirming {
|
|
action,
|
|
item_title: item.title,
|
|
confirm_message,
|
|
});
|
|
} else {
|
|
self.run_action(action).await?;
|
|
}
|
|
}
|
|
}
|
|
Ok(())
|
|
}
|
|
|
|
async fn run_action(&mut self, action: Action) -> Result<()> {
|
|
match action {
|
|
Action::Bash {
|
|
script,
|
|
interaction,
|
|
confirm: _,
|
|
confirm_message: _,
|
|
} => match interaction {
|
|
InteractionMode::Terminal => {
|
|
self.run_bash_terminal(&script).await?;
|
|
}
|
|
InteractionMode::Structured => {
|
|
self.run_bash_structured(&script).await?;
|
|
}
|
|
},
|
|
Action::Download {
|
|
url,
|
|
confirm: _,
|
|
..
|
|
} => {
|
|
self.popup = Some(Popup::Message {
|
|
text: format!("Скачивание {} пока не реализовано", url),
|
|
level: MessageLevel::Info,
|
|
});
|
|
}
|
|
Action::DownloadAndRun { .. } => {}
|
|
Action::HttpRequest { .. } => {}
|
|
}
|
|
Ok(())
|
|
}
|
|
|
|
async fn run_bash_terminal(&mut self, script: &str) -> Result<()> {
|
|
use tokio::process::Command;
|
|
let child = Command::new("bash").arg("-c").arg(script).spawn()?;
|
|
self.popup = Some(Popup::ExecutingBashTerminal { child });
|
|
Ok(())
|
|
}
|
|
|
|
async fn run_bash_structured(&mut self, script: &str) -> Result<()> {
|
|
let (output_rx, command_rx, finished_rx, reply_tx, kill_tx) =
|
|
executor::structured::spawn(script)?;
|
|
|
|
let tx_output = self.event_tx.clone();
|
|
tokio::spawn(async move {
|
|
let mut rx = output_rx;
|
|
while let Some(line) = rx.recv().await {
|
|
if tx_output.send(Event::StructuredOutput(line)).is_err() {
|
|
break;
|
|
}
|
|
}
|
|
});
|
|
|
|
let tx_cmd = self.event_tx.clone();
|
|
tokio::spawn(async move {
|
|
let mut rx = command_rx;
|
|
while let Some(cmd) = rx.recv().await {
|
|
if tx_cmd.send(Event::StructuredCommand(cmd)).is_err() {
|
|
break;
|
|
}
|
|
}
|
|
});
|
|
|
|
let tx_finished = self.event_tx.clone();
|
|
tokio::spawn(async move {
|
|
let code = finished_rx.await.unwrap_or(1);
|
|
let _ = tx_finished.send(Event::StructuredFinished(code));
|
|
});
|
|
|
|
self.popup = Some(Popup::ExecutingStructured {
|
|
reply_tx,
|
|
kill_tx: Some(kill_tx),
|
|
log_buffer: Vec::new(),
|
|
current_command: None,
|
|
input_buffer: String::new(),
|
|
menu_selected_index: 0,
|
|
log_scroll_pos: 0,
|
|
log_follow_bottom: false,
|
|
finished: None,
|
|
});
|
|
|
|
Ok(())
|
|
}
|
|
}
|