<?php

namespace Box\Spout\Writer;

use Box\Spout\Common\Exception\UnsupportedTypeException;
use Box\Spout\Common\Helper\GlobalFunctionsHelper;
use Box\Spout\Common\Type;

/**
 * Class WriterFactory
 * This factory is used to create writers, based on the type of the file to be read.
 * It supports CSV, XLSX and ODS formats.
 *
 * @package Box\Spout\Writer
 */
class WriterFactory {

	/**
	 * This creates an instance of the appropriate writer, given the type of the file to be read
	 *
	 * @api
	 * @param  string $writerType Type of the writer to instantiate
	 * @return WriterInterface
	 * @throws \Box\Spout\Common\Exception\UnsupportedTypeException
	 */
	public static function create( $writerType ) {
		$writer = null;

		switch ( $writerType ) {
			case Type::CSV:
				$writer = new CSV\Writer();
				break;
			case Type::XLSX:
				$writer = new XLSX\Writer();
				break;
			case Type::ODS:
				$writer = new ODS\Writer();
				break;
			default:
				throw new UnsupportedTypeException( 'No writers supporting the given type: ' . $writerType );
		}

		$writer->setGlobalFunctionsHelper( new GlobalFunctionsHelper() );

		return $writer;
	}
}