import {
  getBlockData,
  getBlockName,
  getBlockVariations,
  getListOfDesignPreviewFiles,
} from "../helpers.js";
import path from "path";
import fs from "fs/promises";

export default async function (req, res, next) {
  let variationName = req.query.name ? req.query.name : 'default';
  const block = getBlockName(req.query.block);

  const blockDir = path.join('blocks', '@' + block.project, block.name);
  const dataFiles = await getBlockVariations(blockDir);
  const data = await getBlockData(variationName, {projectPath: blockDir});

  let designPreviewFiles = [];
  try {
    designPreviewFiles = getListOfDesignPreviewFiles(variationName, await fs.readdir(path.join(blockDir, 'design', 'preview')), block);
  } catch (err) {
    console.log('Preview Design doesn\'t exist');
  }

  return res.json({
    dataOptions: dataFiles,
    designPreview: designPreviewFiles,
    data,
  });
}