<?php
/**
 * Created by PhpStorm.
 * User: Ovidiu
 * Date: 9/15/2016
 * Time: 4:22 PM
 */

if ( ! defined( 'ABSPATH' ) ) {
	exit;
}

/**
 * TQB_Post_meta Class.
 */
class TQB_Post_meta {

	/**
	 * METAs
	 */
	const META_NAME_FOR_QUIZ_TYPE = 'tqb_quiz_type';
	const META_NAME_FOR_QUIZ_STYLE = 'tqb_quiz_style';
	const META_NAME_FOR_QUIZ_STRUCTURE = 'tqb_quiz_structure';
	const META_NAME_FOR_QUIZ_TPL = 'tqb_quiz_tpl';
	const META_NAME_FOR_QUIZ_ORDER = 'tqb_quiz_order';
	const META_NAME_FOR_QUIZ_HIGHLIGHT_ANSWER = 'tqb_quiz_highlight_answer';
	const META_NAME_FOR_FEEDBACK_SETTINGS = 'tqb_quiz_feedback_settings';
	const META_NAME_FOR_HIGHLIGHT_SETTINGS = 'tqb_quiz_highlight_settings';
	const META_NAME_FOR_QUIZ_PROGRESS_SETTINGS = 'tqb_quiz_progress_settings';
	const META_NAME_FOR_QUIZ_VIDEO_STYLE = 'tqb_quiz_video_style';
	const META_NAME_FOR_QUIZ_VIDEO_OPTIONS = 'tqb_quiz_video_options';
	const META_NAME_FOR_QUIZ_AUDIO_OPTIONS = 'tqb_quiz_audio_options';
	const META_NAME_FOR_QUIZ_SCROLL_SETTINGS = 'tqb_quiz_scroll_settings';
	const META_NAME_FOR_PROGRESS_GENERAL_SETTINGS = 'tqb_progress_general_settings';

	/**
	 * Result intervals that the result page state could have.
	 */
	const META_NAME_FOR_RESULT_INTERVALS = 'tqb_result_intervals';

	/**
	 * Wizard complete
	 */
	const META_NAME_FOR_WIZARD_COMPLETE = 'tqb_wizard_complete';

	/**
	 * GDPR User Consent Meta Key
	 */
	const META_NAME_FOR_GDPR_USER_CONSENT = 'tqb_quiz_page_gdpr_user_consent';

	/**
	 * Skip Optin Meta Key
	 */
	const META_NAME_FOR_SKIP_OPTIN = 'tqb_quiz_page_skip_optin';

	/**
	 * Updates the quiz type meta
	 *
	 * @param $post_id
	 * @param $model
	 *
	 * @return false|int
	 */
	public static function update_quiz_type_meta( $post_id, $model ) {
		$meta_value = array( 'type' => $model['type'] );
		$result     = update_post_meta( $post_id, self::META_NAME_FOR_QUIZ_TYPE, $meta_value );

		return $result;
	}

	public static function update_feedback_settings_meta( $post_id, $value ) {
		update_post_meta( $post_id, self::META_NAME_FOR_FEEDBACK_SETTINGS, $value );
		// Invalidate cache when feedback settings are updated
		$cache_key = 'tqb_feedback_settings_' . $post_id;
		delete_transient( $cache_key );
	}

	public static function update_highlight_settings_meta( $post_id, $value ) {
		update_post_meta( $post_id, self::META_NAME_FOR_HIGHLIGHT_SETTINGS, $value );
	}

	public static function get_feedback_settings_meta( $post_id ) {
		$val = get_post_meta( $post_id, self::META_NAME_FOR_FEEDBACK_SETTINGS, true );

		return is_array( $val ) ? $val : array();
	}

	public static function get_highlight_settings_meta( $post_id ) {
		$val = get_post_meta( $post_id, self::META_NAME_FOR_HIGHLIGHT_SETTINGS, true );

		/**
		 * Backward compatibility check
		 */
		if ( ! $val ) {
			$val = array();

			$val['highlight_answer'] = self::get_quiz_highlight_answer_meta( $post_id );
		}

		return $val;
	}

	public static function update_quiz_progress_general_settings( $post_id, $value ) {
		update_post_meta( $post_id, self::META_NAME_FOR_PROGRESS_GENERAL_SETTINGS, $value );
	}

	public static function get_quiz_progress_general_settings( $post_id ) {
		$result = get_post_meta( $post_id, self::META_NAME_FOR_PROGRESS_GENERAL_SETTINGS, true );

		return is_array( $result ) ? $result : array();
	}

	public static function update_quiz_progress_settings_meta( $post_id, $value ) {
		update_post_meta( $post_id, self::META_NAME_FOR_QUIZ_PROGRESS_SETTINGS, $value );
	}

	public static function update_quiz_scroll_settings_meta( $post_id, $value ) {
		update_post_meta( $post_id, self::META_NAME_FOR_QUIZ_SCROLL_SETTINGS, $value );
	}

	public static function get_quiz_scroll_settings_meta( $post_id ) {
		$data = get_post_meta( $post_id, self::META_NAME_FOR_QUIZ_SCROLL_SETTINGS, true );

		return is_array( $data ) ? $data : array( 'enable_scroll' => 0 );
	}

	public static function get_quiz_highlight_answer_meta( $post_id ) {
		return (int) get_post_meta( $post_id, self::META_NAME_FOR_QUIZ_HIGHLIGHT_ANSWER, true );
	}

	public static function get_quiz_progress_settings_meta( $post_id ) {
		$settings = get_post_meta( $post_id, self::META_NAME_FOR_QUIZ_PROGRESS_SETTINGS, true );

		return is_array( $settings ) ? $settings : array();
	}

	/**
	 * Get quiz type meta
	 *
	 * @param $post_id
	 *
	 * @return mixed
	 */
	public static function get_quiz_type_meta( $post_id, $single = false ) {
		$meta = get_post_meta( $post_id, self::META_NAME_FOR_QUIZ_TYPE, true );
		if ( $single ) {
			$meta = is_array( $meta ) && ! empty( $meta['type'] ) ? $meta['type'] : $meta;
		}

		return $meta;
	}

	/**
	 * Updates the quiz style meta
	 *
	 * @param $post_id
	 * @param $model
	 *
	 * @return false|int
	 */
	public static function update_quiz_style_meta( $post_id, $model ) {
		$meta_value = $model['style'];
		$result     = update_post_meta( $post_id, self::META_NAME_FOR_QUIZ_STYLE, $meta_value );

		return $result;
	}

	/**
	 * Get quiz style meta
	 *
	 * @param $post_id
	 *
	 * @return mixed
	 */
	public static function get_quiz_style_meta( $post_id ) {
		return get_post_meta( $post_id, self::META_NAME_FOR_QUIZ_STYLE, true );
	}


	/**
	 * Updates the quiz tpl meta
	 *
	 * @param $post_id
	 * @param $model
	 *
	 * @return false|int
	 */
	public static function update_quiz_tpl_meta( $post_id, $model ) {
		$meta_value = $model['tpl'];
		$result     = update_post_meta( $post_id, self::META_NAME_FOR_QUIZ_TPL, $meta_value );

		return $result;
	}

	/**
	 * Get quiz tpl meta
	 *
	 * @param $post_id
	 *
	 * @return mixed
	 */
	public static function get_quiz_tpl_meta( $post_id ) {
		$tpl = get_post_meta( $post_id, self::META_NAME_FOR_QUIZ_TPL, true );

		return $tpl;
	}

	/**
	 * Update quiz order
	 *
	 * @param $post_id
	 * @param $order
	 *
	 * @return bool|int
	 */
	public static function update_quiz_order( $post_id, $order ) {
		return update_post_meta( $post_id, self::META_NAME_FOR_QUIZ_ORDER, $order );
	}

	/**
	 * Gets quiz order
	 *
	 * @param $post_id
	 *
	 * @return mixed
	 */
	public static function get_quiz_order( $post_id ) {
		return get_post_meta( $post_id, self::META_NAME_FOR_QUIZ_ORDER, true );
	}

	/**
	 * Update wizard meta
	 *
	 * @param $post_id
	 *
	 * @return bool|int
	 */
	public static function update_wizard_meta( $post_id ) {
		return update_post_meta( $post_id, self::META_NAME_FOR_WIZARD_COMPLETE, 1 );
	}

	/**
	 * Gets wizard meta
	 *
	 * @param $post_id
	 *
	 * @return mixed
	 */
	public static function get_wizard_meta( $post_id ) {
		return get_post_meta( $post_id, self::META_NAME_FOR_WIZARD_COMPLETE, true );
	}

	/**
	 * Updates Quiz Page Meta with the user consent action
	 * Dynamic Function. Called from class-tqb-admin-ajax-controller.php => page_action
	 *
	 * @param $post_id
	 * @param $consent - can be 1 or 0
	 *
	 * @return bool|int
	 */
	public static function update_quiz_page_gdpr_user_consent( $post_id, $consent ) {
		return update_post_meta( $post_id, self::META_NAME_FOR_GDPR_USER_CONSENT, $consent );
	}

	/**
	 * Returns the GDPR User Consent
	 * The return can be 1 in case user give consent or 0
	 *
	 * @param $post_id
	 *
	 * @return int
	 */
	public static function get_quiz_page_gdpr_user_consent( $post_id ) {
		return get_post_meta( $post_id, self::META_NAME_FOR_GDPR_USER_CONSENT, true );
	}

	/**
	 * Update Quiz Optin Page meta
	 * Dynamic Function. Called from class-tqb-admin-ajax-controller.php => page_action
	 *
	 * @param int $post_id
	 * @param int $value
	 *
	 * @return bool|int
	 */
	public static function update_quiz_page_skip_optin( $post_id, $value ) {
		return update_post_meta( $post_id, static::META_NAME_FOR_SKIP_OPTIN, $value );
	}

	/**
	 * Returns the quiz option page meta
	 * Returns 1 if the option page should be skipped for logged in users
	 *
	 * @param int $post_id
	 *
	 * @return int
	 */
	public static function get_quiz_page_skip_optin( $post_id ) {
		return (int) get_post_meta( $post_id, static::META_NAME_FOR_SKIP_OPTIN, true );
	}

}