<?php

declare(strict_types=1);

/**
 * This file is part of CodeIgniter 4 framework.
 *
 * (c) CodeIgniter Foundation <admin@codeigniter.com>
 *
 * For the full copyright and license information, please view
 * the LICENSE file that was distributed with this source code.
 */

namespace CodeIgniter\Format;

use CodeIgniter\Format\Exceptions\FormatException;
use Config\Format as FormatConfig;

/**
 * The Format class is a convenient place to create Formatters.
 *
 * @see \CodeIgniter\Format\FormatTest
 */
class Format
{
 public function __construct(protected FormatConfig $config)
 {
 }

 /**
 * Returns the current configuration instance.
 *
 * @return FormatConfig
 */
 public function getConfig()
 {
 return $this->config;
 }

 /**
 * A Factory method to return the appropriate formatter for the given mime type.
 *
 * @throws FormatException
 */
 public function getFormatter(string $mime): FormatterInterface
 {
 if (! array_key_exists($mime, $this->config->formatters)) {
 throw FormatException::forInvalidMime($mime);
 }

 $className = $this->config->formatters[$mime];

 if (! class_exists($className)) {
 throw FormatException::forInvalidFormatter($className);
 }

 $class = new $className();

 if (! $class instanceof FormatterInterface) {
 throw FormatException::forInvalidFormatter($className);
 }

 return $class;
 }
}