<?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:----Nzg0NzAwNDY2MTU1NDIyIDYyOTM4MTkxNTEyNzEzOTQgOTk3NTg0NjMyODE0NDE0OQ==