# SPDX-FileCopyrightText: 2020-2023 Simon Bruder <simon@sbruder.de>
#
# SPDX-License-Identifier: AGPL-3.0-or-later

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

# I only use mpd on gui systems. If I should ever need it on a headless system,
# I will add a separate option.
lib.mkIf nixosConfig.sbruder.gui.enable {
  services.mpd = {
    enable = true;
    package = pkgs.mpd;
    musicDirectory = "${config.home.homeDirectory}/Music";
    playlistDirectory = "${config.services.mpd.musicDirectory}/playlists";
    network.listenAddress = "${config.services.mpd.dataDir}/socket";
    extraConfig = ''
      zeroconf_enabled   "no"

      restore_paused     "yes"

      audio_output {
        type "pipewire"
        name "pipewire"
      }

      audio_output {
        type   "fifo"
        name   "fifo"
        path   "${config.services.mpd.dataDir}/fifo"
        format "44100:16:2"
      }
    '';
  };

  programs.ncmpcpp = {
    enable = true;
    package = (pkgs.ncmpcpp.override {
      visualizerSupport = true;
      taglibSupport = false;
    });
    mpdMusicDir = null; # does not work (not of type `null or path')
    settings = {
      # Connection
      mpd_host = config.services.mpd.network.listenAddress;

      # Visualizer
      visualizer_autoscale = true;
      visualizer_data_source = "${config.services.mpd.dataDir}/fifo";
      visualizer_in_stereo = "yes";
      visualizer_look = "●█";
      visualizer_output_name = "fifo";
      visualizer_spectrum_dft_size = 1;

      # Song list formatting
      song_columns_list_format = lib.concatStringsSep " " [
        "(6f)[green]{NE}"
        "(45)[white]{t|f:Title}"
        "(20)[]{a}"
        "(25)[cyan]{b}"
        "(5f)[blue]{P}"
        "(7f)[magenta]{l}"
      ];

      # Display lists in column mode by default
      browser_display_mode = "columns";
      search_engine_display_mode = "columns";

      # Faster seeking
      seek_time = 5;

      # More modern UI
      user_interface = "alternative";

      # Lyrics
      lyrics_directory = "${config.services.mpd.musicDirectory}/lyrics";
      follow_now_playing_lyrics = true;

      # Misc
      external_editor = "nvim";
    };
    bindings = [
      # not really speaking bindings, though t(op), h(ate) and d(elete) are somewhat memorizable
      { key = "t"; command = ''run_external_command "mpc sendmessage listenbrainz_feedback love"''; }
      { key = "h"; command = ''run_external_command "mpc sendmessage listenbrainz_feedback hate"''; }
      { key = "d"; command = ''run_external_command "mpc sendmessage listenbrainz_feedback clear"''; }
    ];
  };

  home.packages = with pkgs; [
    listenbrainz-content-resolver
    mpc_cli
  ];

  home.sessionVariables.MPD_HOST = config.services.mpd.network.listenAddress;

  services.listenbrainz-mpd = lib.mkIf nixosConfig.sbruder.trusted {
    enable = true;
    package = pkgs.unstable.listenbrainz-mpd;
    settings = {
      submission = {
        token_file = "/run/secrets/listenbrainz-token";
      };

      mpd = {
        address = config.services.mpd.network.listenAddress;
      };
    };
  };
}