import * as R from 'remeda';

import { extract_number } from './part1.js';

const spelled = {
    'one'   : 1,
    'two'   : 2,
    'three' : 3,
    'four'  : 4,
    'five'  : 5,
    'six'   : 6,
    'seven' : 7,
    'eight' : 8,
    'nine'  : 9,
};

const resolve_spelled_numbers = (line) => {
    const re = Object.keys(spelled).join('|') + '|\\d';

    const  first  = line.match( RegExp( `^.*?(${re})`) )[1];
    const  last  = line.match( RegExp( `^.*(${re})`) )[1];

    return [ first, last ].map( n => spelled[n] ?? n ).join('');
}

export const solution_2 = R.createPipe(
    i => i.split("\n"),
    R.compact,
    R.map(resolve_spelled_numbers),
    R.map(extract_number),
    R.sumBy(R.identity),
);