const fs = require("fs");
const { promisify } = require("util");
const { parse } = require("sass-variable-parser");
const camelCase = require("lodash.camelcase");

const readFile = promisify(fs.readFile);
const writeFile = promisify(fs.writeFile);

const inputFile = process.argv[2];
const moduleName = inputFile.split('.scss')[0]
const outputJs = moduleName + '.js'
const outputJson = moduleName + '.json'

const parseOpts = {
  camelCase: false
};

async function main() {
  const scssData = await readFile(inputFile, { encoding: "utf8" });
  const jsData = parse(scssData, parseOpts);
  const moduleString = Object.entries(jsData)
    .map(([k, v]) => `export const ${camelCase(k)} = ${JSON.stringify(v)}; // ${k}`)
    .join("\n");
  const jsonString = JSON.stringify(jsData, null, 2)
  await writeFile(outputJs, moduleString);
  await writeFile(outputJson, jsonString);
}

main();