use std::{path::PathBuf, sync::Arc};
use color_eyre::eyre::Result;
use crossterm::event::KeyEvent;
use ratatui::prelude::Rect;
use redux_rs::{
middlewares::thunk::{self, ThunkMiddleware},
Selector, Store, StoreApi,
};
use serde::{Deserialize, Serialize};
use strum::{EnumCount, IntoEnumIterator};
use tokio::sync::mpsc;
use crate::{
action::{AppAction, TuiAction},
components::{
confirm_empty_replace_dialog::ConfirmEmptyReplaceDialog,
confirm_git_dir_dialog::ConfirmGitDirDialog,
notifications::{NotificationEnum, Notifications},
preview::Preview,
replace::Replace,
search::Search,
search_result::SearchResult,
small_help::SmallHelp,
status::Status,
Component,
},
config::Config,
mode::Mode,
redux::{
action::Action,
reducer::reducer,
state::State,
thunk::{thunk_impl, ThunkAction},
},
tabs::Tab,
tui,
};
pub struct App {
pub config: Config,
pub tick_rate: f64,
pub frame_rate: f64,
pub components: Vec<Box<dyn Component>>,
pub should_quit: bool,
pub should_suspend: bool,
pub mode: Mode,
pub last_tick_key_events: Vec<KeyEvent>,
pub project_root: PathBuf,
}
impl App {
pub fn new(project_root: PathBuf) -> Result<Self> {
let config = Config::new()?;
let mode = Mode::Normal;
let search = Search::new();
let replace = Replace::new();
let search_result = SearchResult::new();
let preview = Preview::new();
let notification = Notifications::new();
let small_help = SmallHelp::default();
let confirm_git_dir_dialog = ConfirmGitDirDialog::default();
let confirm_empty_replace_dialog = ConfirmEmptyReplaceDialog::default();
let status = Status::default();
Ok(Self {
tick_rate: 4.0,
frame_rate: 24.0,
components: vec![
Box::new(search),
Box::new(replace),
Box::new(search_result),
Box::new(preview),
Box::new(notification),
Box::new(small_help),
Box::new(status),
Box::new(confirm_git_dir_dialog),
Box::new(confirm_empty_replace_dialog),
],
should_quit: false,
should_suspend: false,
config,
mode,
last_tick_key_events: Vec::new(),
project_root,
})
}
pub async fn run(&mut self) -> Result<()> {
log::info!("Starting app..");
let initial_state = State::new(self.project_root.clone());
let store = Store::new_with_state(reducer, initial_state).wrap(ThunkMiddleware).await;
let (action_tx, mut action_rx) = mpsc::unbounded_channel();
let (redux_action_tx, mut redux_action_rx) = mpsc::unbounded_channel::<AppAction>();
let mut tui = tui::Tui::new()?;
tui.enter()?;
for component in self.components.iter_mut() {
component.register_action_handler(redux_action_tx.clone())?;
}
for component in self.components.iter_mut() {
component.register_config_handler(self.config.clone())?;
}
for component in self.components.iter_mut() {
component.init(tui.size()?)?;
}
loop {
let state = store.state_cloned().await;
if let Some(e) = tui.next().await {
match e {
tui::Event::Quit => action_tx.send(AppAction::Tui(TuiAction::Quit))?,
tui::Event::Tick => action_tx.send(AppAction::Tui(TuiAction::Tick))?,
tui::Event::Render => action_tx.send(AppAction::Tui(TuiAction::Render))?,
tui::Event::Resize(x, y) => action_tx.send(AppAction::Tui(TuiAction::Resize(x, y)))?,
tui::Event::Key(key) => {
if let Some(app_action) = self.config.keybindings.get(&vec![key]) {
log::info!("Got action: {app_action:?}");
match app_action {
AppAction::Tui(action) => action_tx.send(AppAction::Tui(action.clone()))?,
AppAction::Action(action) => redux_action_tx.send(AppAction::Action(action.clone()))?,
AppAction::Thunk(action) => redux_action_tx.send(AppAction::Thunk(action.clone()))?,
}
} else {
self.last_tick_key_events.push(key);
if let Some(app_action) = self.config.keybindings.get(&self.last_tick_key_events) {
log::info!("Got action: {app_action:?}");
match app_action {
AppAction::Tui(action) => action_tx.send(AppAction::Tui(action.clone()))?,
AppAction::Action(action) => redux_action_tx.send(AppAction::Action(action.clone()))?,
AppAction::Thunk(action) => redux_action_tx.send(AppAction::Thunk(action.clone()))?,
}
}
}
},
_ => {},
}
for component in self.components.iter_mut() {
component.handle_events(Some(e.clone()), &state)?;
}
}
let mut rendered = false;
while let Ok(action) = action_rx.try_recv() {
if action != AppAction::Tui(TuiAction::Tick) && action != AppAction::Tui(TuiAction::Render) {
log::debug!("{action:?}");
}
match action {
AppAction::Tui(TuiAction::Tick) => {
self.last_tick_key_events.drain(..);
},
AppAction::Tui(TuiAction::Quit) => self.should_quit = true,
AppAction::Tui(TuiAction::Suspend) => self.should_suspend = true,
AppAction::Tui(TuiAction::Resume) => self.should_suspend = false,
AppAction::Tui(TuiAction::Resize(w, h)) => {
tui.resize(Rect::new(0, 0, w, h))?;
tui.draw(|f| {
for component in self.components.iter_mut() {
let r = component.draw(f, f.size(), &state);
if let Err(e) = r {
action_tx.send(AppAction::Tui(TuiAction::Error(format!("Failed to draw: {:?}", e)))).unwrap();
}
}
})?;
},
AppAction::Tui(TuiAction::Render) => {
if !rendered {
rendered = true;
tui.draw(|f| {
for component in self.components.iter_mut() {
let r = component.draw(f, f.size(), &state);
if let Err(e) = r {
action_tx.send(AppAction::Tui(TuiAction::Error(format!("Failed to draw: {:?}", e)))).unwrap();
}
}
})?;
}
},
_ => {},
}
for component in self.components.iter_mut() {
if let Some(action) = component.update(action.clone())? {
action_tx.send(action)?
};
}
}
while let Ok(action) = redux_action_rx.try_recv() {
match action {
AppAction::Action(action) => {
log::debug!("Redux action: {action:?}");
store.dispatch(thunk::ActionOrThunk::Action(action)).await;
},
AppAction::Thunk(action) => {
log::debug!("Thunk action: {action:?}");
let action_tx_arc = Arc::new(action_tx.clone());
let thunk = thunk_impl(action, action_tx_arc);
store.dispatch(thunk::ActionOrThunk::Thunk(thunk)).await;
},
AppAction::Tui(action) => {
action_tx.send(AppAction::Tui(action.clone()))?;
},
}
}
if self.should_suspend {
tui.suspend()?;
action_tx.send(AppAction::Tui(TuiAction::Resume))?;
tui = tui::Tui::new()?.tick_rate(self.tick_rate).frame_rate(self.frame_rate);
tui.enter()?;
} else if self.should_quit {
tui.stop()?;
break;
}
}
tui.exit()?;
Ok(())
}
}