{ inputs, self, lib, ... }: let
  fluxer-package = { appimageTools, fetchurl, lib, pkgs, ... }:
    let
      pname = "fluxer";
      version = "0.0.8";

      src = fetchurl {
        url = "https://api.fluxer.app/dl/desktop/stable/linux/x64/latest/appimage";
        sha256 = "sha256-GdoBK+Z/d2quEIY8INM4IQy5tzzIBBM+3CgJXQn0qAw=";
      };

      appimageContents = appimageTools.extract { inherit pname version src; };
    in
    appimageTools.wrapType2 rec {
      inherit pname version src;

      extraInstallCommands = ''
        install -m 444 -D ${appimageContents}/${pname}.desktop $out/share/applications/${pname}.desktop

        install -m 444 -D ${appimageContents}/${pname}.png $out/share/icons/hicolor/512x512/apps/${pname}.png

        substituteInPlace $out/share/applications/${pname}.desktop \
          --replace 'Exec=AppRun --no-sandbox %U' 'Exec=${pname} %U'
      '';

      meta = with lib; {
        description = "Open-source, self-hosted alternative to Discord";
        homepage = "https://fluxer.app/";
        license = licenses.agpl3Only;
        maintainers = [ ];
        platforms = [ "x86_64-linux" ];
      };
    };
  fluxer-canary-package = { appimageTools, fetchurl, lib, pkgs, ... }:
    let
      pname = "fluxer-canary";
      version = "2026.827.132039";

      src = fetchurl {
        url = "https://api.canary.fluxer.app/dl/desktop/canary/linux/x64/latest/appimage";
        sha256 = "sha256-eRR9JZa4LPuUtjdDO+JvzaOLxQeDgVziLrFr5iIgr1Q=";
      };

      appimageContents = appimageTools.extract { inherit pname version src; };
    in
    appimageTools.wrapType2 rec {
      inherit pname version src;

      extraInstallCommands = ''
        install -m 444 -D ${appimageContents}/${pname}.desktop $out/share/applications/${pname}.desktop

        install -m 444 -D ${appimageContents}/${pname}.png $out/share/icons/hicolor/512x512/apps/${pname}.png

        substituteInPlace $out/share/applications/${pname}.desktop \
          --replace 'Exec=AppRun %U' 'Exec=${pname} %U'
      '';

      meta = with lib; {
        description = "Open-source, self-hosted alternative to Discord";
        homepage = "https://fluxer.app/";
        license = licenses.agpl3Only;
        maintainers = [ ];
        platforms = [ "x86_64-linux" ];
      };
    };
  mkIfElse = with lib; p: yes: no:
    mkMerge [
      (mkIf p yes)
      (mkIf (!p) no)
    ];
in {
  flake.nixosModules.graphics = { pkgs, config, lib, ... }: {
    options.features.applications.gui = {
      fluxer.enable = lib.mkEnableOption "fluxer";
      fluxer-canary.enable = lib.mkEnableOption "fluxer-canary";
    };

    config = lib.mkIf (config.features.applications.gui.fluxer.enable) (mkIfElse (config.features.nixos.home-manager.enable) {
      home-manager.users.grey.features.applications.gui.fluxer.enable = lib.mkDefault true;
    } {
      environment.systemPackages = [
        (pkgs.callPackage (fluxer-package) {})
      ];
    }) // lib.mkIf (config.features.applications.gui.fluxer-canary.enable) (mkIfElse (config.features.nixos.home-manager.enable) {
      home-manager.users.grey.features.applications.gui.fluxer-canary.enable = lib.mkDefault true;
    } {
      environment.systemPackages = [
        (pkgs.callPackage (fluxer-canary-package) {})
      ];
    });
  };

  flake.homeModules.graphics = { pkgs, config, lib, ... }: {
    options.features.applications.gui = {
      fluxer.enable = lib.mkEnableOption "fluxer";
      fluxer-canary.enable = lib.mkEnableOption "fluxer-canary";
    };

    config = lib.mkIf (config.features.applications.gui.fluxer.enable) {
      home.packages = [
        (pkgs.callPackage (fluxer-package) {})
      ];
    } // lib.mkIf (config.features.applications.gui.fluxer-canary.enable) {
      home.packages = [
        (pkgs.callPackage (fluxer-canary-package) {})
      ];
    };
  };
}