/*
 * https://github.com/morethanwords/tweb
 * Copyright (C) 2019-2021 Eduard Kuzmenko
 * https://github.com/morethanwords/tweb/blob/master/LICENSE
 */

// @ts-check

const fs = require('fs');
const text = fs.readFileSync('./CHANGELOG.md').toString('utf-8');

const writeTo = `./public/changelogs/{VERSION}.md`;

const separator = '### ';
const splitted = text.split(separator);
splitted.forEach(text => {
  if(!text.trim()) return;
  text = separator + text;
  text = text.replace(/^\*/gm, '•');
  const splitted = text.split('\n');

  for(let i = splitted.length - 1; i >= 0; --i) {
    const line = splitted[i];
    if(!line.trim()) {
      splitted.splice(i, 1);
    } else {
      break;
    }
  }

  const firstLine = splitted.shift();
  const version = firstLine.split(' ')[1];
  fs.writeFileSync(writeTo.replace('{VERSION}', version), splitted.join('\n') + '\n');
});