const fs = require('fs-extra');
const path = require('path');
const chalk = require('chalk');
const {
  attempt,
  readSnippets,
  getCodeBlocks,
  getSection,
  getTitle,
  getTextualContent
} = require('./util');

console.time('Extractor');

attempt('snippet_data.json generation', () => {
  const output = Object.entries(readSnippets()).map(([name, contents]) => {
    const title = getTitle(contents);
    const text = getTextualContent(contents);
    const codeBlocks = getCodeBlocks(contents);
    const notes = getSection('#### Notes', contents, false)
      .split('\n')
      .map(v => v.replace(/[*-] /g, ''))
      .filter(v => v.trim() !== '');

    return {
      name,
      title,
      text,
      codeBlocks,
      expertise: parseInt((contents.match(/<!--\s*expertise:\s*\(*(.+)\)*/) || [])[1], 10),
      tags: (contents.match(/<!--\s*tags:\s*\(*(.+)\)*\s*-->/) || [])[1]
        .split(',')
        .map(v => v.trim()),
      notes
    };
  });

  fs.writeFileSync('./data/snippet_data.json', JSON.stringify(output, null, 2));
});

console.log(`${chalk.green('SUCCESS!')} snippet_data.json file generated!`);
console.timeEnd('Extractor');