<?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:----NzkxOTQzOTc1MjYxNTY2OCA0MDEyNTc3NDE2OTAxOTY1IDM1MzkwNzgxODk4NzUzMzY=