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

const parse = (input) =>
  Glib.fromLines(input).map((i) => {
    const [meta, password] = i.split(':');
    const [lens, char] = meta.split(' ');
    const [min, max] = lens.split('-');

    return {
      min: parseInt(min, 10),
      max: parseInt(max, 10),
      char,
      password: password.trim(),
    };
  });

const solve = (input, filterFn) => parse(input).filter(filterFn).length;

module.exports = {
  '1': (input) =>
    solve(input, ({ min, max, char, password }) => {
      const charCount = password.split('').filter((c) => c === char).length;
      return charCount >= min && charCount <= max;
    }),
  '2': (input) =>
    solve(
      input,
      ({ min, max, char, password }) =>
        (password[min - 1] === char) !== (password[max - 1] === char),
    ),
  parse,
  solve,
};