nixos-config/users/home-manager/foo-dogsquared/modules/music.nix

{ config, lib, pkgs, ... }:

let
  ytdlpAudio = pkgs.writeScriptBin "yt-dlp-audio" ''
    ${pkgs.yt-dlp}/bin/yt-dlp --config-location "${../config/yt-dlp-audio.conf}" $@
  '';

  musicDir = config.xdg.userDirs.music;
  playlistsDir = "${musicDir}/playlists";
in
{
  home.packages = with pkgs; [
    songrec # SHAZAM!
    ytdlpAudio # My custom script for downloading music with yt-dlp.
    picard # Graphical beets.
  ];

  # Enable the desktop audio profile for extra auditorial goodies.
  profiles.desktop.audio.enable = true;

  # My music player setup, completely configured with Nix!
  programs.beets = {
    enable = true;
    settings = {
      library = "${musicDir}/library.db";
      plugins = [
        "acousticbrainz"
        "chroma"
        "edit"
        "export"
        "fetchart"
        "fromfilename"
        "fuzzy"
        "mbsync"
        "playlist"
        "scrub"
        "smartplaylist"
      ];
      ignore_hidden = true;
      directory = musicDir;
      ui.color = true;

      import = {
        move = true;
        link = false;
        resume = true;
        incremental = true;
        group_albums = true;
        log = "beets.log";
      };

      match.ignore_video_tracks = true;

      # Plugins configuration.
      fuzzy.prefix = "-";
      scrub.auto = true;
      smartplaylist = {
        relative_to = musicDir;
        playlist_dir = playlistsDir;
        playlists = [
          {
            name = "all.m3u8";
            query = "";
          }
          {
            name = "released-in-$year.m3u8";
            query = "year:2000..2023";
          }
        ];
      };
    };
  };

  services.mopidy = {
    enable = true;
    extensionPackages = with pkgs; [
      mopidy-beets
      mopidy-funkwhale
      mopidy-internetarchive
      mopidy-iris
      mopidy-local
      mopidy-mpd
      mopidy-mpris
      mopidy-youtube
    ];

    settings = {
      http = {
        hostname = "127.0.0.1";
        port = 6680;
        default_app = "iris";
      };

      file = {
        enabled = true;
        media_dirs = [
          "$XDG_MUSIC_DIR|Music"
          "~/library/music|Library"
        ];
      };

      internetarchive = {
        enabled = true;
        browse_limit = 150;
        search_limit = 150;
        collections = [
          "fav-foo-dogsquared"
          "audio"
          "etree"
          "audio_music"
          "audio_foreign"
        ];
      };

      m3u = {
        enabled = true;
        base_dir = musicDir;
        playlists_dir = playlistsDir;
        default_encoding = "utf-8";
        default_extension = ".m3u8";
      };
    };
  };

  # Configure a MPD client.
  programs.ncmpcpp = {
    enable = true;
    mpdMusicDir = musicDir;
  };

  # Add more cleaners.
  services.bleachbit.cleaners = [
    "audacious.log"
    "audacious.cache"
    "audacious.mru"
    "vlc.memory_dump"
    "vlc.mru"
  ];
}