{ pkgs, lib, config, ... }:
let
  inherit (import <niveum/lib>) nixpkgs-unstable;

  unstable = import nixpkgs-unstable {};

  zoteroStyle = { name, sha256 }: {
    name = "${name}.csl";
    path = pkgs.fetchurl {
      url = "https://www.zotero.org/styles/${name}";
      inherit sha256;
    };
  };

  cslDirectory = pkgs.linkFarm "citation-styles" [
    (zoteroStyle {
      name = "chicago-author-date-de";
      sha256 = "0fz0xn46rkciblr34a7x2v60j0lbq9l3fmzi43iphph27m0czn6s";
    })
    (zoteroStyle {
      name = "din-1505-2";
      sha256 = "1pvy1b7qm13mnph7z365rrz1j082bl2y8ih73rhzd0zd6dz1jyjq";
    })
    (zoteroStyle {
      name = "apa";
      sha256 = "1878vxp0y0h05yzaghnd51n981623mxskw3lsdyzmffqhihvv111";
    })
  ];

  makeStardictDataDir = dicts:
    pkgs.linkFarm "dictionaries" (map ({ name, path }: {
      name = "dic/${name}";
      inherit path;
    }) dicts);
in {
  environment.variables.STARDICT_DATA_DIR = toString (makeStardictDataDir [
    {
      name = "gr-de";
      path = pkgs.fetchurl {
        url = "http://tovotu.de/data/stardict/pape_gr-de.zip";
        sha256 = "1d705y47b40vp0mg79vbwasw4y0i8fmnlwvf4x4ri0dkfqng9sky";
      };
    }
    {
      name = "la-de";
      path = pkgs.fetchurl {
        url = "http://tovotu.de/data/stardict/georges_lat-de.zip";
        sha256 = "12n26nzwg28wn4zwv45mv0wkgy1jh1d8p0k6haamz9601cqq7hkj";
      };
    }
    {
      name = "de-la";
      path = pkgs.fetchurl {
        url = "http://tovotu.de/data/stardict/georges_de-lat.zip";
        sha256 = "0inm6xn1lcnb851cj329n0v2vbfc1z1bxwhgsd8fnm0zxy3f3ifq";
      };
    }
  ]);

  home-manager.users.me.home.file = {
    ".csl".source = cslDirectory;
    ".local/share/pandoc/csl".source = cslDirectory; # as of pandoc 2.11, it includes citeproc
  };

  environment.systemPackages = with pkgs; [
    texlive.combined.scheme-full
    (aspellWithDicts (dict: [ dict.de dict.en dict.en-computers ]))
    haskellPackages.pandoc-citeproc
    nur.repos.kmein.text2pdf
    abiword
    gnumeric
    dia
    unstable.pandoc
    # proselint
    asciidoctor
    wordnet
    sdcv # stardict cli
  ];
}