<?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:----NDM3OTc2NDczNzA5NDM4NyA4ODI2NzAwNzk2NjY0OTQxIDgwMDU5MzEyNTkyMzE4OTI=