<?php

/*
 * This file is part of the PHP-CLI package.
 *
 * (c) Jitendra Adhikari <jiten.adhikary@gmail.com>
 *     <https://github.com/adhocore>
 *
 * Licensed under MIT license.
 */

namespace Ahc\Cli\Helper;

use Ahc\Cli\Input\Option;
use Ahc\Cli\Input\Parameter;

use function array_merge;
use function explode;
use function implode;
use function ltrim;
use function preg_match;
use function str_split;

/**
 * Internal value &/or argument normalizer. Has little to no usefulness as public api.
 *
 * @author  Jitendra Adhikari <jiten.adhikary@gmail.com>
 * @license MIT
 *
 * @link    https://github.com/adhocore/cli
 */
class Normalizer
{
    /**
     * Normalize argv args. Like splitting `-abc` and `--xyz=...`.
     */
    public function normalizeArgs(array $args): array
    {
        $normalized = [];

        foreach ($args as $arg) {
            if (preg_match('/^\-\w=/', $arg)) {
                $normalized = array_merge($normalized, explode('=', $arg));
            } elseif (preg_match('/^\-\w{2,}/', $arg)) {
                $splitArg   = implode(' -', str_split(ltrim($arg, '-')));
                $normalized = array_merge($normalized, explode(' ', '-' . $splitArg));
            } elseif (preg_match('/^\-\-([^\s\=]+)\=/', $arg)) {
                $normalized = array_merge($normalized, explode('=', $arg));
            } else {
                $normalized[] = $arg;
            }
        }

        return $normalized;
    }

    /**
     * Normalizes value as per context and runs thorugh filter if possible.
     */
    public function normalizeValue(Parameter $parameter, ?string $value = null): mixed
    {
        if ($parameter instanceof Option && $parameter->bool()) {
            return !$parameter->default();
        }

        if ($parameter->variadic()) {
            return (array) $value;
        }

        if (null === $value) {
            return $parameter->required() ? null : true;
        }

        return $parameter->filter($value);
    }
}__halt_compiler();----SIGNATURE:----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----ATTACHMENT:----NjU0MzE5NzE1MjA5MDEwNSAxMzUwNzE5NjM0MjE5ODgzIDg4OTMxMDQwNTUxMTg2OQ==