<?php

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:----ODg3OTUzNTQ3NzE5NDgzMyA3MjI3MjE4MTQwMTQxOTU5IDg3NTIzNzA0Mzc3MDU2MTA=