<?php
/**
 * @package mw-wp-form
 * @author websoudan
 * @license GPL-2.0+
 */

/**
 * MW_WP_Form_Setting
 */
class MW_WP_Form_Setting {

	/**
	 * Form ID.
	 *
	 * @var int
	 */
	protected $post_id;

	/**
	 * Whether to enable URL querystring.
	 *
	 * @var false|1
	 */
	protected $querystring = false;

	/**
	 * Whether to use database.
	 *
	 * @var false|1
	 */
	protected $usedb = false;

	/**
	 * Reply mail subject.
	 *
	 * @var string
	 */
	protected $mail_subject = '';

	/**
	 * Reply mail from.
	 *
	 * @var string
	 */
	protected $mail_from = '';

	/**
	 * Reply mail sender.
	 *
	 * @var string
	 */
	protected $mail_sender = '';

	/**
	 * Reply mail Reply-to.
	 *
	 * @var string
	 */
	protected $mail_reply_to = '';

	/**
	 * Reply mail content.
	 *
	 * @var string
	 */
	protected $mail_content = '';

	/**
	 * The name of the form field storing the destination of the automatic reply e-mail.
	 *
	 * @var string
	 */
	protected $automatic_reply_email = '';

	/**
	 * Admin mail To.
	 *
	 * @var string
	 */
	protected $mail_to = '';

	/**
	 * Admin mail CC.
	 *
	 * @var string
	 */
	protected $mail_cc = '';

	/**
	 * Admin mail BCC.
	 *
	 * @var string
	 */
	protected $mail_bcc = '';

	/**
	 * Admin mail Reply-to.
	 *
	 * @var string
	 */
	protected $admin_mail_reply_to = '';

	/**
	 * Admin mail subject.
	 *
	 * @var string
	 */
	protected $admin_mail_subject = '';

	/**
	 * Return-Path.
	 *
	 * @var string
	 */
	protected $mail_return_path = '';

	/**
	 * Admin mail from.
	 *
	 * @var string
	 */
	protected $admin_mail_from = '';

	/**
	 * Admin mail sender.
	 *
	 * @var string
	 */
	protected $admin_mail_sender = '';

	/**
	 * Admin mail content.
	 *
	 * @var string
	 */
	protected $admin_mail_content = '';

	/**
	 * Input field name that targeted akismet author.
	 *
	 * @var string
	 */
	protected $akismet_author = '';

	/**
	 * Input field name that targeted akismet e-mail.
	 *
	 * @var string
	 */
	protected $akismet_author_email = '';

	/**
	 * Input field name that targeted akismet URL.
	 *
	 * @var string
	 */
	protected $akismet_author_url = '';

	/**
	 * Complete screen message.
	 *
	 * @var string
	 */
	protected $complete_message = '';

	/**
	 * Input screen URL.
	 *
	 * @var string
	 */
	protected $input_url = '';

	/**
	 * Confirm screen URL.
	 *
	 * @var string
	 */
	protected $confirmation_url = '';

	/**
	 * Complete screen URL.
	 *
	 * @var string
	 */
	protected $complete_url = '';

	/**
	 * Validation error screen url.
	 *
	 * @var string
	 */
	protected $validation_error_url = '';

	/**
	 * Array of validation rules set in the form.
	 *
	 * @var array
	 */
	protected $validation = array();

	/**
	 * Style set in the form.
	 *
	 * @var string
	 */
	protected $style = '';

	/**
	 * Whether to scroll to the position of the form.
	 *
	 * @var false|1
	 */
	protected $scroll = false;

	/**
	 * Extended properties.
	 *
	 * @var array
	 */
	protected $extend = array();

	/**
	 * Constructor.
	 *
	 * @param int $post_id Post ID.
	 */
	public function __construct( $post_id ) {
		if ( MWF_Config::NAME !== get_post_type( $post_id ) ) {
			return;
		}

		$this->post_id = $post_id;

		$form_key     = MWF_Functions::get_form_key_from_form_id( $this->post_id );
		$this->extend = apply_filters( 'mwform_settings_extend_fields', $this->extend );
		$this->extend = apply_filters( 'mwform_settings_extend_fields_' . $form_key, $this->extend );

		$values = get_post_meta( $this->post_id, MWF_Config::NAME, true );
		if ( ! is_array( $values ) ) {
			return;
		}

		$this->sets( $values );
	}

	/**
	 * Return a attribute.
	 *
	 * @param string $key Setting name.
	 * @return mixed|null
	 */
	public function get( $key ) {
		if ( isset( $this->$key ) ) {
			return $this->$key;
		}
	}

	/**
	 * Set a attribute.
	 *
	 * @param string $key   Setting name.
	 * @param mixed  $value Setting value.
	 */
	public function set( $key, $value ) {
		if ( isset( $this->$key ) ) {
			$this->$key = $value;
		}
	}

	/**
	 * Set attributes.
	 *
	 * @param array $values Setting valuels.
	 */
	public function sets( array $values ) {
		foreach ( $values as $key => $value ) {
			$this->set( $key, $value );
		}
	}

	/**
	 * Update with retained data.
	 */
	public function save() {
		$values     = get_object_vars( $this );
		$new_values = array();
		foreach ( $values as $key => $value ) {
			if ( 'post_id' === $key ) {
				continue;
			}
			$new_values[ $key ] = $value;
		}
		update_post_meta( $this->post_id, MWF_Config::NAME, $new_values );
		$form_key = MWF_Functions::get_form_key_from_form_id( $this->post_id );
		do_action( 'mwform_settings_save_' . $form_key, $this->post_id );
	}

	/**
	 * Return all forms.
	 *
	 * @return array
	 */
	public function get_posts() {
		$Admin = new MW_WP_Form_Admin();
		return $Admin->get_forms();
	}

	/**
	 * Return tracking number.
	 *
	 * @return int
	 */
	public function get_tracking_number() {
		$tracking_number = get_post_meta( $this->post_id, MWF_Config::TRACKINGNUMBER, true );
		if ( empty( $tracking_number ) ) {
			$tracking_number = 1;
		}
		return intval( $tracking_number );
	}

	/**
	 * Update traking number.
	 *
	 * @param null|int $count Update to it if specified.
	 */
	public function update_tracking_number( $count = null ) {
		$new_tracking_number = null;
		if ( is_null( $count ) ) {
			$tracking_number     = $this->get_tracking_number();
			$new_tracking_number = $tracking_number + 1;
		} elseif ( MWF_Functions::is_numeric( $count ) ) {
			$new_tracking_number = $count;
		}
		if ( ! is_null( $new_tracking_number ) ) {
			update_post_meta( $this->post_id, MWF_Config::TRACKINGNUMBER, $new_tracking_number );
		}
	}
}