const { Glib } = require('../../lib');

module.exports = {
  '1': (input) =>
    Glib.fromSequence(1, Infinity)
      .flatMap((i) => {
        const md5 = `${input}${i}`.md5;
        return md5.startsWith('00000') ? [md5[5]] : [];
      })
      .take(8).string,
  '2': (input) =>
    Glib.fromSequence(1, Infinity)
      .flatMap((i) => {
        const md5 = `${input}${i}`.md5;
        if (!md5.startsWith('00000')) {
          return [];
        }
        const position = parseInt(md5[5], 10);
        if (md5[5] != position.toString()) {
          return [];
        }
        return [{ position, character: md5[6] }];
      })
      .partialReduce(
        (accumulator, { position, character }, index, done, undone) => {
          if (accumulator[position] !== ' ') {
            return accumulator;
          }

          return accumulator.splice(position, 1, character);
        },
        (accumulator) => {
          return accumulator.indexOf(' ') !== -1;
        },
        '        ',
      ),
};