Replace content CLI with Textual TUI

tools/content/music.py

@@ -4,68 +4,48 @@ import youtube
 MUSIC_FILE = "music.json"
 
 
-def load_videos() -> tuple[dict, list[str]]:
+def load_playlist() -> tuple[dict, list[str]]:
     data = jsonfile.load(MUSIC_FILE)
     return data, data.setdefault("videos", [])
 
 
+def list_songs() -> list[str]:
+    _, videos = load_playlist()
+    return [youtube.video_id(video) or video for video in videos]
+
+
 def find_index(videos: list[str], identifier: str) -> int | None:
     return next((index for index, video in enumerate(videos) if youtube.video_id(video) == identifier), None)
 
 
-def list_songs(arguments) -> None:
-    _, videos = load_videos()
-    if not videos:
-        print("The playlist is empty.")
-        return
-    for number, video in enumerate(videos, start=1):
-        identifier = youtube.video_id(video) or "?"
-        title = youtube.video_title(identifier) if arguments.titles else None
-        print(f"{number:>3}. {identifier}  {title or video}")
+def add_song(text: str) -> str:
+    identifier = youtube.video_id(text)
+    if not identifier:
+        raise ValueError(f"{text} is not a YouTube link or video ID")
+    data, videos = load_playlist()
+    if find_index(videos, identifier) is not None:
+        raise ValueError(f"{identifier} is already in the playlist")
+    videos.append(youtube.watch_url(identifier))
+    jsonfile.save(MUSIC_FILE, data)
+    return identifier
 
 
-def add_songs(arguments) -> None:
-    data, videos = load_videos()
-    added = 0
-    for text in arguments.songs:
-        identifier = youtube.video_id(text)
-        if not identifier:
-            print(f"Skipped {text}: not a YouTube link or video ID.")
-            continue
-        if find_index(videos, identifier) is not None:
-            print(f"Skipped {identifier}: already in the playlist.")
-            continue
-        videos.append(youtube.watch_url(identifier))
-        added += 1
-        print(f"Added {youtube.video_title(identifier) or identifier}")
-    if added:
-        jsonfile.save(MUSIC_FILE, data)
-
-
-def remove_song(arguments) -> None:
-    data, videos = load_videos()
-    identifier = youtube.video_id(arguments.song)
-    index = find_index(videos, identifier) if identifier else None
+def remove_song(identifier: str) -> None:
+    data, videos = load_playlist()
+    index = find_index(videos, identifier)
     if index is None:
-        print(f"{arguments.song} is not in the playlist.")
-        return
+        raise ValueError(f"{identifier} is not in the playlist")
     videos.pop(index)
     jsonfile.save(MUSIC_FILE, data)
-    print(f"Removed {identifier}")
 
 
-def register(subparsers) -> None:
-    parser = subparsers.add_parser("music", help="Manage the music playlist")
-    actions = parser.add_subparsers(dest="action", required=True)
-
-    list_parser = actions.add_parser("list", help="List songs in the playlist")
-    list_parser.add_argument("--titles", action="store_true", help="Look up song titles on YouTube")
-    list_parser.set_defaults(handler=list_songs)
-
-    add_parser = actions.add_parser("add", help="Add songs by YouTube link or video ID")
-    add_parser.add_argument("songs", nargs="+", help="YouTube links or video IDs")
-    add_parser.set_defaults(handler=add_songs)
-
-    remove_parser = actions.add_parser("remove", help="Remove a song by YouTube link or video ID")
-    remove_parser.add_argument("song", help="YouTube link or video ID")
-    remove_parser.set_defaults(handler=remove_song)
+def move_song(identifier: str, step: int) -> None:
+    data, videos = load_playlist()
+    index = find_index(videos, identifier)
+    if index is None:
+        raise ValueError(f"{identifier} is not in the playlist")
+    target = index + step
+    if not 0 <= target < len(videos):
+        return
+    videos[index], videos[target] = videos[target], videos[index]
+    jsonfile.save(MUSIC_FILE, data)