{ pkgs ? import <nixpkgs> { } }:

let
  nur = import (builtins.fetchTarball
    "https://github.com/nix-community/NUR/archive/master.tar.gz") {
      inherit pkgs;
    };
  tex = pkgs.callPackage ../nix/texlive.nix { };
  version = "devel";
  words = import ../words;
in pkgs.stdenv.mkDerivation {
  pname = "lewa-book";
  inherit version;
  src = ./.;
  phases = "buildPhase installPhase";
  buildInputs = with pkgs; [
    calibre
    mdbook
    nur.repos.mic92.pandoc-bin
    tex
    words
  ];

  buildPhase = ''
    cp -rf $src/src .
    chmod a+w ./src
    cp -rf $src/book.toml .
    mkdir book
    rm ./src/dictionary.md ||:
    cp ${words}/dictionary.md ./src/dictionary.md
    mdbook build
    cd ./src && ./build.sh && cd ..
    cd ./book && ebook-convert lewa.epub lewa.mobi ||: && cd ..
  '';

  installPhase = ''
    mkdir -p $out
    cp -rf book $out/book
  '';
}