nixos-config/modules/fonts/default.nix

{ lib
, pkgs
, config
, ...
}:
with lib; let
  cfg = config.eboskma.fonts;

  iosevka-buildplans = builtins.fromTOML (builtins.readFile "${pkgs.iosevka.src}/build-plans.toml");
  iosevka-aile = pkgs.iosevka.override {
    privateBuildPlan = iosevka-buildplans.buildPlans.iosevka-aile;
    set = "aile";
  };
in
{
  options.eboskma.fonts = {
    enable = mkEnableOption "activate fonts";
    iosevka-aile = mkOption {
      description = "Install Iosevka Aile";
      type = types.bool;
      default = true;
    };
  };

  config = mkIf cfg.enable {
    fonts = {
      fontDir.enable = true;

      packages = with pkgs; [
        (nerdfonts.override { fonts = [ "Iosevka" "Meslo" "Noto" ]; })
        corefonts
        dejavu_fonts
        google-fonts
        kochi-substitute
        material-icons
        monaspace
        noto-fonts-emoji
        ttf_bitstream_vera
        twitter-color-emoji
      ] ++ lib.optional cfg.iosevka-aile iosevka-aile;

      fontconfig = {
        defaultFonts = {
          serif = [ "Recursive Sans Casual Static Medium" ];
          sansSerif = [ (if cfg.iosevka-aile then "Iosevka Aile" else "DejaVu Sans") ];
          monospace = [ "Iosevka Nerd Font" ];
          emoji = [ "Twitter Color Emoji" ];
        };
      };
    };
  };
}