initial commit

.gitignore

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+/target
+*.log

Cargo.toml

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+[package]
+name = "iradio"
+version = "0.1.0"
+edition = "2024"
+
+[dependencies]
+color-eyre = "0.6.5"
+crossterm = "0.29.0"
+io = "0.0.2"
+radiobrowser = "0.6.1"
+ratatui = "0.29.0"
+tokio = { version = "1", features = ["full"] }

src/lib.rs

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+pub mod radio;

src/main.rs

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+use color_eyre::Result;
+use iradio::radio::{app::App, tui};
+
+#[tokio::main]
+async fn main() -> Result<()> {
+    color_eyre::install()?;
+    let mut terminal = tui::init()?;
+    let mut app = App::default();
+    app.load_stations().await?;
+    let app_result = app.run(&mut terminal);
+
+    if let Err(err) = tui::restore() {
+        eprintln!(
+            "failed to restore terminal. Run `reset` or restart your terminal to recover: {err}"
+        );
+    }
+    app_result
+}

src/radio/app.rs

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+use color_eyre::{
+    Result,
+    eyre::{WrapErr, eyre},
+};
+use crossterm::event::{self, Event, KeyCode, KeyEvent, KeyEventKind};
+use radiobrowser::RadioBrowserAPI;
+use ratatui::{
+    DefaultTerminal, Frame,
+    layout::{Constraint, Layout},
+    widgets::{Block, Paragraph},
+};
+use std::io::{self};
+
+use crate::radio::station::StationInfo;
+use ratatui::style::{Color, Modifier, Style};
+use ratatui::widgets::{List, ListItem, ListState};
+
+#[derive(Debug, Default)]
+pub struct App {
+    exit: bool,
+    stations: Vec<StationInfo>,
+    selected_index: usize,
+    scroll_offset: usize,
+}
+
+impl App {
+    /// runs the application's main loop until the user quits
+    pub fn run(&mut self, terminal: &mut DefaultTerminal) -> Result<()> {
+        while !self.exit {
+            terminal.draw(|frame| self.draw(frame))?;
+            self.handle_events().wrap_err("handle events failed")?;
+        }
+        Ok(())
+    }
+
+    fn draw(&self, frame: &mut Frame) {
+        let area = frame.area();
+
+        let [left, right] =
+            Layout::horizontal([Constraint::Percentage(40), Constraint::Percentage(60)])
+                .areas(area);
+
+        let [top_right, bottom_right] =
+            Layout::vertical([Constraint::Percentage(50), Constraint::Percentage(50)]).areas(right);
+
+        // Render the left block (e.g., station selection)
+        let items: Vec<ListItem> = self
+            .stations
+            .iter()
+            .skip(self.scroll_offset)
+            .take(15) // max visible
+            .map(|s| ListItem::new(s.name.clone()))
+            .collect();
+
+        let mut list_state = ListState::default();
+        list_state.select(Some(self.selected_index - self.scroll_offset));
+
+        let list = List::new(items)
+            .block(Block::bordered().title("Stations"))
+            .highlight_style(
+                Style::default()
+                    .fg(Color::Yellow)
+                    .add_modifier(Modifier::BOLD),
+            )
+            .highlight_symbol("➤ ");
+
+        frame.render_stateful_widget(list, left, &mut list_state);
+        // frame.render_widget(Block::bordered().title("Station Selection"), left);
+
+        // Render the top-right block (e.g., song history)
+        frame.render_widget(Block::bordered().title("Played Songs"), top_right);
+
+        let station = self.stations.get(self.selected_index);
+        let paragraph = Paragraph::new(
+            station
+                .map(|s| format!("Now selected: {}\n{}", s.name, s.url))
+                .unwrap_or_else(|| "No station selected".into()),
+        )
+        .block(Block::bordered().title("Info"));
+
+        frame.render_widget(paragraph, bottom_right);
+        // frame.render_widget(Block::bordered().title("Info / Controls"), bottom_right);
+    }
+
+    fn handle_events(&mut self) -> io::Result<()> {
+        match event::read()? {
+            // it's important to check that the event is a key press event as
+            // crossterm also emits key release and repeat events on Windows.
+            Event::Key(key_event) if key_event.kind == KeyEventKind::Press => {
+                self.handle_key_event(key_event)
+            }
+            _ => {}
+        };
+        Ok(())
+    }
+
+    fn handle_key_event(&mut self, key_event: KeyEvent) {
+        match key_event.code {
+            KeyCode::Char('q') => self.exit(),
+            KeyCode::Down | KeyCode::Char('j') => {
+                if self.selected_index + 1 < self.stations.len() {
+                    self.selected_index += 1;
+                    if self.selected_index >= self.scroll_offset + 15 {
+                        self.scroll_offset += 1;
+                    }
+                }
+            }
+            KeyCode::Up | KeyCode::Char('k') => {
+                if self.selected_index > 0 {
+                    self.selected_index -= 1;
+                    if self.selected_index < self.scroll_offset {
+                        self.scroll_offset = self.scroll_offset.saturating_sub(1);
+                    }
+                }
+            }
+            _ => {}
+        }
+    }
+
+    fn exit(&mut self) {
+        self.exit = true;
+    }
+
+    pub async fn load_stations(&mut self) -> color_eyre::Result<()> {
+        let api = RadioBrowserAPI::new()
+            .await
+            .map_err(|e| eyre!("Failed to create RadioBrowserAPI: {e}"))?;
+        let stations = api
+            .get_stations()
+            .country("DE")
+            .limit("50")
+            .send()
+            .await
+            .map_err(|e| eyre!("Failed to fetch station: {e}"))?;
+
+        eprintln!("Loaded {} stations", stations.len());
+        if self.stations.is_empty() {
+            self.stations.push(StationInfo {
+                name: "No stations found".into(),
+                url: "".into(),
+            });
+        }
+
+        self.stations = stations
+            .into_iter()
+            .map(|s: radiobrowser::ApiStation| StationInfo {
+                name: s.name,
+                url: s.url,
+            })
+            .collect();
+
+        Ok(())
+    }
+}

src/radio/mod.rs

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+pub mod app;
+pub mod station;
+pub mod tui;

src/radio/station.rs

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+#[derive(Debug, Clone)]
+pub struct StationInfo {
+    pub name: String,
+    pub url: String,
+}

src/radio/tui.rs

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+use std::io::{self, Stdout, stdout};
+
+use ratatui::{
+    Terminal,
+    backend::CrosstermBackend,
+    crossterm::{
+        execute,
+        terminal::{EnterAlternateScreen, LeaveAlternateScreen, disable_raw_mode, enable_raw_mode},
+    },
+};
+
+/// A type alias for the terminal type used in this application
+pub type Tui = Terminal<CrosstermBackend<Stdout>>;
+
+/// Initialize the terminal
+pub fn init() -> io::Result<Tui> {
+    execute!(stdout(), EnterAlternateScreen)?;
+    enable_raw_mode()?;
+    set_panic_hook();
+    Terminal::new(CrosstermBackend::new(stdout()))
+}
+
+fn set_panic_hook() {
+    let hook = std::panic::take_hook();
+    std::panic::set_hook(Box::new(move |panic_info| {
+        let _ = restore(); // ignore any errors as we are already failing
+        hook(panic_info);
+    }));
+}
+
+/// Restore the terminal to its original state
+pub fn restore() -> io::Result<()> {
+    execute!(stdout(), LeaveAlternateScreen)?;
+    disable_raw_mode()?;
+    Ok(())
+}