<?php
/**
 * Settings/options access with defaults.
 *
 * @package AccordionFaq
 */

namespace AccordionFaq\Support;

defined( 'ABSPATH' ) || exit;

/**
 * Class Options
 *
 * Central read access to the plugin's single settings option.
 */
class Options {

	const OPTION_KEY = 'accordion_faq_settings';

	/**
	 * Default settings.
	 *
	 * @return array
	 */
	public static function defaults() {
		$defaults = array(
			'default_mode'       => 'accordion', // accordion | toggle.
			'default_style'      => 'modern',    // minimal | bordered | filled | separated | card | modern.
			'engine'             => 'aria',      // aria | details.
			'default_open_first' => false,
			'show_search'        => false,
			'show_filter'        => false,
			'show_expand_all'    => false,
			'show_toc'           => false,       // sticky table-of-contents sidebar.
			'icon_position'      => 'right',     // left | right.
			'icon_style'         => 'chevron',   // chevron | plus | arrow.
			'heading_level'      => 'h3',        // h2..h6.
			'enable_schema'      => true,
			'accent_color'       => '',
			'public_faq_pages'   => false,       // expose single/archive FAQ pages.
			'delete_data'        => false,       // remove data on uninstall.

			// Pro features (bundled into free).
			'enable_views'       => true,        // count views.
			'enable_voting'      => true,        // "was this helpful?" voting.
			'enable_submissions' => false,       // front-end FAQ submissions.
			'submissions_cat'    => 0,           // default category for submissions.
			'enable_ai'          => true,        // in-editor AI generation (if core AI client present).

			'enable_search_analytics' => true,   // record what visitors search for.
			'notify_submissions'      => true,    // email admin on a new submission.
			'per_page'                => 0,       // frontend pagination page size (0 = show all).
		);

		/**
		 * Filter the default settings.
		 *
		 * @param array $defaults Default settings.
		 */
		return apply_filters( 'accordion_faq_default_settings', $defaults );
	}

	/**
	 * Get all settings merged with defaults.
	 *
	 * @return array
	 */
	public static function all() {
		$saved = get_option( self::OPTION_KEY, array() );
		if ( ! is_array( $saved ) ) {
			$saved = array();
		}
		return wp_parse_args( $saved, self::defaults() );
	}

	/**
	 * Get a single setting.
	 *
	 * @param string $key     Setting key.
	 * @param mixed  $default Fallback if not set.
	 * @return mixed
	 */
	public static function get( $key, $default = null ) {
		$all = self::all();
		if ( array_key_exists( $key, $all ) ) {
			return $all[ $key ];
		}
		return $default;
	}

	/**
	 * Boolean helper.
	 *
	 * @param string $key Setting key.
	 * @return bool
	 */
	public static function boolean( $key ) {
		return (bool) self::get( $key, false );
	}
}