const fs = require('fs');
const path = require('path');

const availableCommands = [];

function loadCommands(dir = path.join(__dirname, '../commands')) {
  fs.readdirSync(dir).forEach((file) => {
    const filepath = path.join(dir, file);
    const stat = fs.statSync(filepath);

    if (stat.isDirectory() && !stat.isSymbolicLink()) {
      // If read file is a directory, search in that directory
      loadCommands(filepath);
    } else if (file === 'index.js') {
      // If we encounter index.js file, it means that we found one of commands
      // Extract command from given dir path
      const lastDir = dir.split('/').pop();
      const command = lastDir !== 'commands' ? lastDir : '';

      availableCommands.push({
        command,
        ...require(filepath),
      });
    }
  });

  return availableCommands;
}

module.exports = loadCommands;