Improved verbosity on build

src/main.rs

@@ -38,9 +38,9 @@ enum Command {
     },
     /// Build a playlist from similar artists
     Build {
-        /// Print track scores
-        #[arg(short)]
-        verbose: bool,
+        /// Verbosity level (-v, -vv)
+        #[arg(short, action = clap::ArgAction::Count)]
+        verbose: u8,
         /// Queue in MPD
         #[arg(short, conflicts_with = "airsonic")]
         mpd: bool,
@@ -65,7 +65,7 @@ enum Command {
 }
 
 struct BuildOptions {
-    verbose: bool,
+    verbose: u8,
     mpd: bool,
     airsonic: bool,
     shuffle: bool,
@@ -358,10 +358,11 @@ fn build_playlist(
 
     let scored = playlist::score_tracks(conn, &artists, opts.popularity_bias);
 
-    if opts.verbose {
+    if opts.verbose >= 1 {
         let mut sorted = scored.iter().collect::<Vec<_>>();
         sorted.sort_by(|a, b| b.score.partial_cmp(&a.score).unwrap_or(std::cmp::Ordering::Equal));
-        for t in &sorted {
+        let limit = if opts.verbose >= 2 { sorted.len() } else { 50.min(sorted.len()) };
+        for t in &sorted[..limit] {
             eprintln!("{:.4}\t{:.4}\t{:.4}\t{}\t{}", t.score, t.similarity, t.popularity, t.artist, t.path);
         }
     }
@@ -418,7 +419,7 @@ fn output_tracks(
                 std::process::exit(1);
             }
         };
-        if let Err(e) = client.create_playlist(seed_name, tracks, conn, opts.verbose) {
+        if let Err(e) = client.create_playlist(seed_name, tracks, conn, opts.verbose >= 1) {
             eprintln!("Airsonic error: {e}");
             std::process::exit(1);
         }