ability to play the selected song

src/main.rs

@@ -45,6 +45,7 @@ enum Command {
     UpdateQueue(Vec<Track>),
     UpdateStatus,
     TogglePause,
+    Play,
     Down,
     Up,
 }
@@ -124,6 +125,9 @@ async fn run() -> Result<()> {
                     KeyCode::Char('p') => {
                         tx.send(Command::TogglePause).await.unwrap_or_else(die);
                     }
+                    KeyCode::Enter => {
+                        tx.send(Command::Play).await.unwrap_or_else(die);
+                    }
                     KeyCode::Char('j') | KeyCode::Down => {
                         tx.send(Command::Down).await.unwrap_or_else(die);
                     }
@@ -174,6 +178,14 @@ async fn run() -> Result<()> {
                     .context("Failed to toggle pause")
                     .unwrap_or_else(die);
             }
+            Command::Play => {
+                if selected < queue.len() {
+                    mpd::play(&mut cl, selected)
+                        .await
+                        .context("Failed to play the selected song")
+                        .unwrap_or_else(die);
+                }
+            }
             Command::Down => {
                 let len = queue.len();
                 if selected >= len {

src/mpd.rs

@@ -199,3 +199,19 @@ pub async fn toggle_pause(cl: &mut Client) -> Result<()> {
 
     Ok(())
 }
+
+pub async fn play(cl: &mut Client, pos: usize) -> Result<()> {
+    cl.write_all(b"play ").await?;
+    cl.write_all(pos.to_string().as_bytes()).await?;
+    cl.write_u8(b'\n').await?;
+    let mut lines = cl.lines();
+
+    while let Some(line) = lines.next_line().await? {
+        match line.as_bytes() {
+            b"OK" | expand!([@b"ACK ", ..]) => break,
+            _ => continue,
+        }
+    }
+
+    Ok(())
+}