<?php
/**
 * Plugin settings.
 *
 * @package Statbird
 */

namespace Statbird;

defined( 'ABSPATH' ) || exit;

/**
 * One option array, with defaults and sanitising.
 */
class Settings {

	const OPTION = 'statbird_settings';

	/**
	 * Defaults.
	 *
	 * @return array
	 */
	public static function defaults() {
		return array(
			'ai_enabled'      => 1,
			'ai_share_names'  => 0,
			'ai_monthly_cap'  => 100,
			'hookbird_events' => 1,
			'weekly_briefing' => 1,
		);
	}

	/**
	 * All settings.
	 *
	 * @return array
	 */
	public static function all() {
		$s = get_option( self::OPTION, array() );
		return wp_parse_args( is_array( $s ) ? $s : array(), self::defaults() );
	}

	/**
	 * One setting.
	 *
	 * @param string $key Key.
	 * @return mixed
	 */
	public static function get( $key ) {
		$all = self::all();
		return $all[ $key ] ?? null;
	}

	/**
	 * Saves submitted settings.
	 *
	 * @param array $input Raw input.
	 * @return array Saved settings.
	 */
	public static function save( array $input ) {
		$clean = array(
			'ai_enabled'      => empty( $input['ai_enabled'] ) ? 0 : 1,
			'ai_share_names'  => empty( $input['ai_share_names'] ) ? 0 : 1,
			'ai_monthly_cap'  => max( 0, min( 10000, absint( $input['ai_monthly_cap'] ?? 100 ) ) ),
			'hookbird_events' => empty( $input['hookbird_events'] ) ? 0 : 1,
			'weekly_briefing' => empty( $input['weekly_briefing'] ) ? 0 : 1,
		);
		update_option( self::OPTION, $clean, false );
		return $clean;
	}
}