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{ pkgs, html, data }:

let
  commonArgs = {
    inherit data html make;
    inherit (pkgs) lib;
  };
  make = path: overrides:
    let f = import path;
    in f ((builtins.intersectAttrs (builtins.functionArgs f) commonArgs)
      // overrides);

  indexHTML = builtins.toFile "index.html" (make ./html { });
  classlessCSS = let
    setOption = option: value: { "${option}" = value; };
    setOptions = options: value:
      builtins.foldl' (tmp: option: tmp // setOption option value) { } options;
    enable = options: setOptions options true;
    disable = options: setOptions options false;
  in builtins.toFile "classless.css" (make ./css/classless.nix
    (disable [ "tables" "hr" ] // enable [
      "headings-advanced"
      "tooltip-citations"
      "navbar"
      "details-cards"
      "big-first-letter"
      "printing"
      "grid"
    ] // setOption "navpos" "fixed"));

in pkgs.callPackage ({
  # Packages
  line-awesome, line-awesome-css, uncss, yuicompressor,
  # Source files
  index-html ? indexHTML, classless-css ? classlessCSS, files ? data.files
  , icon ? ./static/icon.png }:
  let
    compress = "'${yuicompressor}/bin/yuicompressor'";
    clean = "'${uncss}/bin/uncss'";
  in pkgs.runCommand "webpage" { } ''
    set -o xtrace
    mkdir "$out" && pushd "$_"
    ln -sT "${index-html}" index.html
    popd

    mkdir "$out/static" && pushd "$_"
    ln -sT "${icon}" icon.png
    ln -sT "${files}" files
    popd

    mkdir -p "$out/static/css" && pushd "$_"
    ${clean} "${index-html}" --stylesheets file://${classless-css} \
    | ${compress} --type css >classless.min.css
    popd

    mkdir -p "$out/static/css/fonts/line-awesome" && pushd "$_"
    ln -sT "${line-awesome}/share/fonts/woff2" webfonts
    ${clean} "${index-html}" --stylesheets file://${line-awesome-css} \
    | ${compress} --type css >line-awesome.min.css
    popd

  '') { }