<?php
declare(strict_types=1);


/**
 * FullTextSearch - Full text search framework for Nextcloud
 *
 * This file is licensed under the Affero General Public License version 3 or
 * later. See the COPYING file.
 *
 * @author Maxence Lange <maxence@artificial-owl.com>
 * @copyright 2018
 * @license GNU AGPL version 3 or any later version
 *
 * This program is free software: you can redistribute it and/or modify
 * it under the terms of the GNU Affero General Public License as
 * published by the Free Software Foundation, either version 3 of the
 * License, or (at your option) any later version.
 *
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU Affero General Public License for more details.
 *
 * You should have received a copy of the GNU Affero General Public License
 * along with this program.  If not, see <http://www.gnu.org/licenses/>.
 *
 */


namespace OCP\FullTextSearch\Model;


use JsonSerializable;


/**
 * @since 15.0.0
 *
 * Class SearchOption
 *
 * @package OCP\FullTextSearch\Model
 */
final class SearchOption implements JsonSerializable {


	const CHECKBOX = 'checkbox';
	const INPUT = 'input';

	const INPUT_SMALL = 'small';


	/** @var string */
	private $name = '';

	/** @var string */
	private $title = '';

	/** @var string */
	private $type = '';

	/** @var string */
	private $size = '';

	/** @var string */
	private $placeholder = '';


	/**
	 *     *
	 *
	 * The array can be empty in case no search options are available.
	 * The format of the array must be like this:
	 *
	 * [
	 *   'panel' => [
	 *     'options' => [
	 *         OPTION1,
	 *         OPTION2,
	 *         OPTION3
	 *     ]
	 *   ],
	 *   'navigation' => [
	 *     'icon'    => 'css-class-of-the-icon',
	 *     'options' => [
	 *         OPTION1,
	 *         OPTION2,
	 *         OPTION3
	 *     ]
	 *   ]
	 * ]
	 *
	 * - PANEL contains entries that will be displayed in the app itself, when
	 *   a search is initiated.
	 * - NAVIGATION contains entries that will be available when using the
	 *   FullTextSearch navigation page
	 * - OPTION is an element that define each option available to the user.
	 *
	 * The format for the options must be like this:
	 *
	 * [
	 *   'name'        => 'name_of_the_option',
	 *   'title'       => 'Name displayed in the panel',
	 *   'type'        => '',
	 *   'size'        => ''   (optional),
	 *   'placeholder' => ''   (optional)
	 * ]
	 *
	 * - NAME is the variable name that is sent to the IFullTextSearchProvider
	 *   when a ISearchRequest is requested. (keys in the array returned by the
	 *   ISearchRequest->getOptions())
	 * - TYPE can be 'input' or 'checkbox'
	 * - SIZE is only used in case TYPE='input', default is 'large' but can be
	 *   'small'
	 * - PLACEHOLDER is only used in case TYPE='input', default is empty.
	 */

	/**
	 * SearchOption constructor.
	 *
	 * Some value can be setduring the creation of the object.
	 *
	 * @since 15.0.0
	 *
	 * @param string $name
	 * @param string $title
	 * @param string $type
	 * @param string $size
	 * @param string $placeholder
	 */
	public function __construct(string $name = '', string $title = '', string $type = '', string $size = '', string $placeholder = '') {
		$this->name = $name;
		$this->title = $title;
		$this->type = $type;
		$this->size = $size;
		$this->placeholder = $placeholder;
	}


	/**
	 * Set the name/key of the option.
	 * The string should only contains alphanumerical chars and underscore.
	 * The key can be retrieve when using ISearchRequest::getOption
	 *
	 * @see ISearchRequest::getOption
	 *
	 * @since 15.0.0
	 *
	 * @param string $name
	 *
	 * @return SearchOption
	 */
	public function setName(string $name): SearchOption {
		$this->name = $name;

		return $this;
	}

	/**
	 * Get the name/key of the option.
	 *
	 * @since 15.0.0
	 *
	 * @return string
	 */
	public function getName(): string {
		return $this->name;
	}


	/**
	 * Set the title/display name of the option.
	 *
	 * @since 15.0.0
	 *
	 * @param string $title
	 *
	 * @return SearchOption
	 */
	public function setTitle(string $title): SearchOption {
		$this->title = $title;

		return $this;
	}

	/**
	 * Get the title of the option.
	 *
	 * @since 15.0.0
	 *
	 * @return string
	 */
	public function getTitle(): string {
		return $this->title;
	}


	/**
	 * Set the type of the option.
	 * $type can be SearchOption::CHECKBOX or SearchOption::INPUT
	 *
	 * @since 15.0.0
	 *
	 * @param string $type
	 *
	 * @return SearchOption
	 */
	public function setType(string $type): SearchOption {
		$this->type = $type;

		return $this;
	}

	/**
	 * Get the type of the option.
	 *
	 * @since 15.0.0
	 *
	 * @return string
	 */
	public function getType(): string {
		return $this->type;
	}


	/**
	 * In case of Type is INPUT, set the size of the input field.
	 * Value can be SearchOption::INPUT_SMALL or not defined.
	 *
	 * @since 15.0.0
	 *
	 * @param string $size
	 *
	 * @return SearchOption
	 */
	public function setSize(string $size): SearchOption {
		$this->size = $size;

		return $this;
	}

	/**
	 * Get the size of the INPUT.
	 *
	 * @since 15.0.0
	 *
	 * @return string
	 */
	public function getSize(): string {
		return $this->size;
	}


	/**
	 * In case of Type is , set the placeholder to be displayed in the input
	 * field.
	 *
	 * @since 15.0.0
	 *
	 * @param string $placeholder
	 *
	 * @return SearchOption
	 */
	public function setPlaceholder(string $placeholder): SearchOption {
		$this->placeholder = $placeholder;

		return $this;
	}

	/**
	 * Get the placeholder.
	 *
	 * @since 15.0.0
	 *
	 * @return string
	 */
	public function getPlaceholder(): string {
		return $this->placeholder;
	}


	/**
	 * @since 15.0.0
	 *
	 * @return array
	 */
	public function jsonSerialize(): array {
		return [
			'name' => $this->getName(),
			'title' => $this->getTitle(),
			'type' => $this->getType(),
			'size' => $this->getSize(),
			'placeholder' => $this->getPlaceholder()
		];
	}
}
