import { $, chalk, echo, glob, path, fs } from "zx";

$.verbose = false;

const bookDir = "publications";
const metadata = await glob([`${bookDir}/**/*.yaml`]);
const books = metadata.map((name) => path.basename(name, ".yaml"));
let bookData = [];

for (const meta of metadata) {
  const book = path.basename(meta, ".yaml");
  const dir = path.dirname(meta);
  bookData = bookData.concat({
    slug: book,
    metadata: meta,
    chapters: await glob([`${dir}/*.md`]),
  });
}

for (const book of bookData) {
  const chapters = book.chapters.join(" ");
  const wc = $`wc -w ${book.chapters}`;

  console.log(chalk.bold.blue(book.slug));
  echo`\nWord count for ${book.slug}: \n${await wc}\n`;
  console.log("Building", chalk.bold(`dist/${book.slug}.pdf`));
  const cssPath = (await fs.pathExists(
    `${bookDir}/${book.slug}/${book.slug}.css`
  ))
    ? `--css=${bookDir}/${book.slug}/${book.slug}.css`
    : "";
  await $`pandoc ${book.chapters} -o dist/${book.slug}.pdf  --css=src/pdf/style.css --resource-path=.:static:src:src/img --pdf-engine=weasyprint --toc --template=special ${cssPath}`;
  console.log("Building", chalk.bold(`dist/${book.slug}.epub`));
  await $`pandoc ${book.chapters} ${book.metadata} -o dist/${book.slug}.epub  --css=src/pdf/epub.css --resource-path=.:static:src:src/img --toc --shift-heading-level-by=-1`;
  console.log(book.slug, ": done\n\n");
}