nixos/home/modules/filetypes.nix

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

let cfg = config.snowhawk.defaultPrograms;
in {
  options.snowhawk.defaultPrograms = {
    enable = lib.mkEnableOption "default programs";
  };
  config = lib.mkIf cfg.enable {
    xdg.mimeApps =
      let
        browser = "firefox.desktop";

        mimeAppsFor =
          value: list:
          lib.genAttrs list (name: value);

      in
      {
        enable = true;
        defaultApplications = lib.mkMerge [
          (mimeAppsFor browser [
            "application/pdf"
            "application/x-extension-htm"
            "application/x-extension-html"
            "application/x-extension-shtml"
            "application/x-extension-xht"
            "application/x-extension-xhtml"
            "application/xhtml+xml"
            "text/html"
            "x-scheme-handler/about"
            "x-scheme-handler/http"
            "x-scheme-handler/https"
          ])

          (mimeAppsFor "brave-browser.desktop" [
            "x-scheme-handler/chrome"
          ])
        ];
      };

    home.sessionVariables = {
      DEFAULT_BROWSER = lib.getExe pkgs.firefox;
    };
  };
}