import { createGlob } from '../../resources/glob';
import { createFile } from '../../resources/file';
import grayMatter from 'gray-matter';
import { Article } from '../../../types/article';
import { Bundler } from '../../bundler';
import { markdownBundleImages } from '../../utils/markdown';
import { dirname, resolve } from 'path';
import { createImage } from '../../resources/image';

type ArticleOptions = {
  cwd: string;
  pattern: string;
  bundler: Bundler;
};

const createArticles = ({ bundler, cwd, pattern }: ArticleOptions) => {
  const files = createGlob({
    pattern,
    cwd,
    create: (path) => {
      const file = createFile({ path });
      const article = file.pipe(async (raw) => {
        const { data, content } = grayMatter(raw);
        const { title, slug, cover, color, ...rest } = data;
        const cwd = dirname(path);
        const markdown = await markdownBundleImages({
          cwd,
          content,
          bundler,
        });
        const coverUrl = createImage({
          image: resolve(cwd, cover),
          format: 'avif',
          bundler,
        });
        const thumbUrl = createImage({
          image: resolve(cwd, cover),
          format: 'avif',
          width: 400,
          bundler,
        });
        const result: Article = {
          ...rest,
          title,
          raw: content,
          cover,
          root: cwd,
          content: markdown,
          coverUrl,
          thumbUrl,
          color,
          slug,
        } as any;
        return result;
      });
      return article;
    },
  });

  return files;
};

export { createArticles };