441 lines
15 KiB
Rust
441 lines
15 KiB
Rust
use std::collections::{HashMap, HashSet};
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use std::iter;
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use std::sync::Arc;
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use crossterm::event::KeyCode;
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use crossterm::style::{ContentStyle, Stylize};
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use euphoxide::api::SessionType;
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use euphoxide::conn::{Joined, Status};
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use parking_lot::FairMutex;
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use tokio::sync::mpsc;
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use toss::styled::Styled;
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use toss::terminal::Terminal;
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use crate::config::Config;
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use crate::euph::EuphRoomEvent;
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use crate::vault::Vault;
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use super::euph::room::{EuphRoom, RoomStatus};
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use super::input::{key, InputEvent, KeyBindingsList, KeyEvent};
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use super::widgets::editor::EditorState;
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use super::widgets::join::{HJoin, Segment, VJoin};
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use super::widgets::layer::Layer;
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use super::widgets::list::{List, ListState};
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use super::widgets::padding::Padding;
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use super::widgets::popup::Popup;
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use super::widgets::text::Text;
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use super::widgets::BoxedWidget;
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use super::{util, UiEvent};
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enum State {
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ShowList,
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ShowRoom(String),
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Connect(EditorState),
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}
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enum Order {
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Alphabet,
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Importance,
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}
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pub struct Rooms {
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config: &'static Config,
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vault: Vault,
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ui_event_tx: mpsc::UnboundedSender<UiEvent>,
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state: State,
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list: ListState<String>,
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order: Order,
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euph_rooms: HashMap<String, EuphRoom>,
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}
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impl Rooms {
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pub fn new(
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config: &'static Config,
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vault: Vault,
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ui_event_tx: mpsc::UnboundedSender<UiEvent>,
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) -> Self {
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let mut result = Self {
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config,
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vault,
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ui_event_tx,
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state: State::ShowList,
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list: ListState::new(),
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order: Order::Alphabet,
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euph_rooms: HashMap::new(),
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};
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if !config.offline {
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for (name, config) in &config.euph.rooms {
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if config.autojoin {
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result.get_or_insert_room(name.clone()).connect();
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}
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}
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}
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result
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}
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fn get_or_insert_room(&mut self, name: String) -> &mut EuphRoom {
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self.euph_rooms.entry(name.clone()).or_insert_with(|| {
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EuphRoom::new(
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self.config.euph_room(&name),
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self.vault.euph(name),
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self.ui_event_tx.clone(),
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)
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})
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}
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/// Remove rooms that are not running any more and can't be found in the db.
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/// Insert rooms that are in the db but not yet in in the hash map.
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///
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/// These kinds of rooms are either
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/// - failed connection attempts, or
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/// - rooms that were deleted from the db.
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async fn stabilize_rooms(&mut self) {
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let mut rooms_set = self
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.vault
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.euph_rooms()
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.await
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.into_iter()
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.collect::<HashSet<_>>();
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// Prevent room that is currently being shown from being removed. This
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// could otherwise happen when connecting to a room that doesn't exist.
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if let State::ShowRoom(name) = &self.state {
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rooms_set.insert(name.clone());
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}
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self.euph_rooms
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.retain(|n, r| !r.stopped() || rooms_set.contains(n));
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for room in rooms_set {
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self.get_or_insert_room(room).retain();
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}
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}
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pub async fn widget(&mut self) -> BoxedWidget {
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match &self.state {
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State::ShowRoom(_) => {}
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_ => self.stabilize_rooms().await,
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}
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match &self.state {
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State::ShowList => self.rooms_widget().await,
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State::ShowRoom(name) => {
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self.euph_rooms
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.get_mut(name)
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.expect("room exists after stabilization")
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.widget()
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.await
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}
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State::Connect(editor) => Layer::new(vec![
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self.rooms_widget().await,
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Self::new_room_widget(editor),
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])
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.into(),
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}
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}
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fn new_room_widget(editor: &EditorState) -> BoxedWidget {
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let room_style = ContentStyle::default().bold().blue();
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let editor = editor.widget().highlight(|s| Styled::new(s, room_style));
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Popup::new(
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Padding::new(HJoin::new(vec![
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Segment::new(Text::new(("&", room_style))),
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Segment::new(editor).priority(0),
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]))
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.left(1),
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)
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.title("Connect to")
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.inner_padding(false)
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.build()
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}
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fn format_pbln(joined: &Joined) -> String {
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let mut p = 0_usize;
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let mut b = 0_usize;
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let mut l = 0_usize;
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let mut n = 0_usize;
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for sess in iter::once(&joined.session).chain(joined.listing.values()) {
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match sess.id.session_type() {
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Some(SessionType::Bot) if sess.name.is_empty() => n += 1,
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Some(SessionType::Bot) => b += 1,
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_ if sess.name.is_empty() => l += 1,
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_ => p += 1,
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}
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}
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// There must always be either one p, b, l or n since we're including
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// ourselves.
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let mut result = vec![];
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if p > 0 {
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result.push(format!("{p}p"));
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}
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if b > 0 {
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result.push(format!("{b}b"));
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}
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if l > 0 {
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result.push(format!("{l}l"));
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}
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if n > 0 {
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result.push(format!("{n}n"));
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}
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result.join(" ")
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}
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fn format_status(status: RoomStatus) -> Option<String> {
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match status {
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RoomStatus::NoRoom | RoomStatus::Stopped => None,
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RoomStatus::Connecting => Some("connecting".to_string()),
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RoomStatus::Connected(Status::Joining(j)) if j.bounce.is_some() => {
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Some("auth required".to_string())
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}
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RoomStatus::Connected(Status::Joining(_)) => Some("joining".to_string()),
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RoomStatus::Connected(Status::Joined(joined)) => Some(Self::format_pbln(&joined)),
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}
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}
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fn format_unseen_msgs(unseen: usize) -> Option<String> {
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if unseen == 0 {
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None
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} else {
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Some(format!("{unseen}"))
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}
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}
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fn format_room_info(status: RoomStatus, unseen: usize) -> Styled {
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let unseen_style = ContentStyle::default().bold().green();
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let status = Self::format_status(status);
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let unseen = Self::format_unseen_msgs(unseen);
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match (status, unseen) {
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(None, None) => Styled::default(),
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(None, Some(u)) => Styled::new_plain(" (")
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.then(&u, unseen_style)
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.then_plain(")"),
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(Some(s), None) => Styled::new_plain(" (").then_plain(&s).then_plain(")"),
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(Some(s), Some(u)) => Styled::new_plain(" (")
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.then_plain(&s)
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.then_plain(", ")
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.then(&u, unseen_style)
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.then_plain(")"),
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}
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}
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fn sort_rooms(&self, rooms: &mut [(&String, RoomStatus, usize)]) {
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match self.order {
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Order::Alphabet => rooms.sort_unstable_by_key(|(n, _, _)| *n),
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Order::Importance => {
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rooms.sort_unstable_by_key(|(n, s, u)| (!s.connecting_or_connected(), *u == 0, *n))
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}
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}
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}
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async fn render_rows(&self, list: &mut List<String>) {
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if self.euph_rooms.is_empty() {
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list.add_unsel(Text::new((
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"Press F1 for key bindings",
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ContentStyle::default().grey().italic(),
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)))
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}
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let mut rooms = vec![];
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for (name, room) in &self.euph_rooms {
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let status = room.status().await;
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let unseen = room.unseen_msgs_count().await;
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rooms.push((name, status, unseen));
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}
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self.sort_rooms(&mut rooms);
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for (name, status, unseen) in rooms {
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let room_style = ContentStyle::default().bold().blue();
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let room_sel_style = ContentStyle::default().bold().black().on_white();
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let mut normal = Styled::new(format!("&{name}"), room_style);
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let mut selected = Styled::new(format!("&{name}"), room_sel_style);
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let info = Self::format_room_info(status, unseen);
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normal = normal.and_then(info.clone());
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selected = selected.and_then(info);
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list.add_sel(name.clone(), Text::new(normal), Text::new(selected));
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}
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}
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async fn rooms_widget(&self) -> BoxedWidget {
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let heading_style = ContentStyle::default().bold();
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let amount = self.euph_rooms.len();
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let heading =
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Text::new(Styled::new("Rooms", heading_style).then_plain(format!(" ({amount})")));
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let mut list = self.list.widget().focus(true);
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self.render_rows(&mut list).await;
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VJoin::new(vec![Segment::new(heading), Segment::new(list).priority(0)]).into()
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}
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fn room_char(c: char) -> bool {
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c.is_ascii_alphanumeric() || c == '_'
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}
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pub async fn list_key_bindings(&self, bindings: &mut KeyBindingsList) {
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match &self.state {
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State::ShowList => {
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bindings.heading("Rooms");
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bindings.binding("j/k, ↓/↑", "move cursor up/down");
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bindings.binding("g, home", "move cursor to top");
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bindings.binding("G, end", "move cursor to bottom");
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bindings.binding("ctrl+y/e", "scroll up/down");
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bindings.empty();
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bindings.binding("enter", "enter selected room");
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bindings.binding("c", "connect to selected room");
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bindings.binding("C", "connect to all rooms");
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bindings.binding("d", "disconnect from selected room");
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bindings.binding("D", "disconnect from all rooms");
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bindings.binding("n", "connect to new room");
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bindings.binding("X", "delete room");
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bindings.empty();
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bindings.binding("s", "change sort order");
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}
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State::ShowRoom(name) => {
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// Key bindings for leaving the room are a part of the room's
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// list_key_bindings function since they may be shadowed by the
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// nick selector or message editor.
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if let Some(room) = self.euph_rooms.get(name) {
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room.list_key_bindings(bindings).await;
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} else {
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// There should always be a room here already but I don't
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// really want to panic in case it is not. If I show a
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// message like this, it'll hopefully be reported if
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// somebody ever encounters it.
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bindings.binding_ctd("oops, this text should never be visible")
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}
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}
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State::Connect(_) => {
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bindings.heading("Rooms");
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bindings.binding("esc", "abort");
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bindings.binding("enter", "connect to room");
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util::list_editor_key_bindings(bindings, Self::room_char, false);
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}
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}
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}
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pub async fn handle_input_event(
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&mut self,
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terminal: &mut Terminal,
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crossterm_lock: &Arc<FairMutex<()>>,
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event: &InputEvent,
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) -> bool {
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self.stabilize_rooms().await;
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match &self.state {
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State::ShowList => match event {
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key!('k') | key!(Up) => self.list.move_cursor_up(),
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key!('j') | key!(Down) => self.list.move_cursor_down(),
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key!('g') | key!(Home) => self.list.move_cursor_to_top(),
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key!('G') | key!(End) => self.list.move_cursor_to_bottom(),
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key!(Ctrl + 'y') => self.list.scroll_up(1),
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key!(Ctrl + 'e') => self.list.scroll_down(1),
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key!(Enter) => {
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if let Some(name) = self.list.cursor() {
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self.state = State::ShowRoom(name);
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}
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}
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key!('c') => {
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if let Some(name) = self.list.cursor() {
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if let Some(room) = self.euph_rooms.get_mut(&name) {
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room.connect();
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}
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}
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}
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key!('C') => {
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for room in self.euph_rooms.values_mut() {
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room.connect();
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}
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}
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key!('d') => {
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if let Some(name) = self.list.cursor() {
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if let Some(room) = self.euph_rooms.get_mut(&name) {
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room.disconnect();
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}
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}
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}
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key!('D') => {
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for room in self.euph_rooms.values_mut() {
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room.disconnect();
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}
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}
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key!('n') => self.state = State::Connect(EditorState::new()),
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key!('X') => {
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// TODO Check whether user wanted this via popup
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if let Some(name) = self.list.cursor() {
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self.euph_rooms.remove(&name);
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self.vault.euph(name.clone()).delete();
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}
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}
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key!('s') => {
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self.order = match self.order {
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Order::Alphabet => Order::Importance,
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Order::Importance => Order::Alphabet,
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};
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}
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_ => return false,
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},
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State::ShowRoom(name) => {
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if let Some(room) = self.euph_rooms.get_mut(name) {
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if room
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.handle_input_event(terminal, crossterm_lock, event)
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.await
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{
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return true;
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}
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if let key!(Esc) = event {
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self.state = State::ShowList;
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return true;
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}
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}
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return false;
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}
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State::Connect(ed) => match event {
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key!(Esc) => self.state = State::ShowList,
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key!(Enter) => {
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let name = ed.text();
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if !name.is_empty() {
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self.get_or_insert_room(name.clone()).connect();
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self.state = State::ShowRoom(name);
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}
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}
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_ => {
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return util::handle_editor_input_event(
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ed,
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terminal,
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crossterm_lock,
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event,
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Self::room_char,
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false,
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)
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}
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},
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}
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true
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}
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pub fn handle_euph_room_event(&mut self, name: String, event: EuphRoomEvent) -> bool {
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let room_visible = if let State::ShowRoom(n) = &self.state {
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*n == name
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} else {
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true
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};
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let room = self.get_or_insert_room(name);
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let handled = room.handle_euph_room_event(event);
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handled && room_visible
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}
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}
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