{ blog-source, pkgs, katex-html }:

with pkgs;
with lib;

let
  protocol = ssl: if ssl then "https://" else "http://";
  website = settings: stdenv.mkDerivation {
    inherit (settings) src ssl host;
    name = "blog-static";
    version = settings.src.rev or "dirty";
    publicPath = settings.path;
    hugoFlags = concatStringsSep " " (
	optionals settings.drafts (singleton "-D") ++
	[ "--baseURL=${protocol settings.ssl + settings.host}" ]
    );
    builder = ./build/builder.sh;
    buildInputs = [
      hugo ruby stork katex-html
    ];
  };
in
  {
    english = settings: website {
      inherit (settings) host;
      ssl = settings.ssl or false;
      drafts = settings.drafts or false;
      src = blog-source;
      path = ".";
    };
  }