<?php
/**
 * AnsPress.
 *
 * @package   AnsPress
 * @author    Rahul Aryan <admin@tovolt.com>
 * @license   GPL-2.0+
 * @link      http://tovolt.com
 * @copyright 2014 ToVolt
 */

/**
 * Plugin class. This class should ideally be used to work with the
 * public-facing side of the WordPress site.
 *
 * If you're interested in introducing administrative or dashboard
 * functionality, then refer to `class-plugin-name-admin.php`
 *
 * @package AnsPress
 * @author  Rahul Aryan <admin@tovolt.com>
 */
class anspress {

	/**
	 * Plugin version, used for cache-busting of style and script file references.
	 */
	const VERSION = '1.0.0';

	/**
	 * Unique identifier
	 * The variable name is used as the text domain when internationalizing strings
	 * of text. Its value should match the Text Domain file header in the main
	 * plugin file.
	 *
	 */
	protected $plugin_slug = 'anspress';

	/**
	 * Instance of this class.
	 */
	protected static $instance = null;

	/**
	 * Initialize the plugin by setting localization and loading public scripts
	 * and styles.
	 */
	private function __construct() {

		// Load plugin text domain
		add_action( 'init', array( $this, 'load_plugin_textdomain' ) );

		// Activate plugin when new blog is added
		add_action( 'wpmu_new_blog', array( $this, 'activate_new_site' ) );

		add_filter('init', array($this, 'query_var'));

	}

	/**
	 * Return the plugin slug.
	 *
	 * @since    1.0.0
	 *
	 * @return    Plugin slug variable.
	 */
	public function get_plugin_slug() {
		return $this->plugin_slug;
	}

	/**
	 * Return an instance of this class.
	 *
	 * @since     1.0.0
	 *
	 * @return    object    A single instance of this class.
	 */
	public static function get_instance() {

		// If the single instance hasn't been set, set it now.
		if ( null == self::$instance ) {
			self::$instance = new self;
		}

		return self::$instance;
	}

	/**
	 * Fired when the plugin is activated.
	 *
	 * @since    1.0.0
	 *
	 * @param    boolean    $network_wide    True if WPMU superadmin uses
	 *                                       "Network Activate" action, false if
	 *                                       WPMU is disabled or plugin is
	 *                                       activated on an individual blog.
	 */
	public static function activate( $network_wide ) {
		global $wp_rewrite;	
		$wp_rewrite->flush_rules();	
		

		// create base page
		if(!get_option('ap_base_page_created') || !get_post(get_option('ap_base_page_created'))){
			global $user_ID;
			$post = array();
			$post['post_type']    = 'page';
			$post['post_content'] = esc_attr(' ');
			$post['post_author']  = null;
			$post['post_status']  = 'publish';
			$post['post_title']   = 'AnsPress';
			$postid = wp_insert_post ($post);
			
			if($postid)
				update_option('ap_base_page_created', $postid);	
			
			
		}
		
		// create ask page
		if(!get_option('ap_ask_page_created') || !get_post(get_option('ap_ask_page_created'))){
			global $user_ID;
			$post = array();
			$post['post_type']    = 'page';
			$post['post_content'] = esc_attr(' ');
			$post['post_author']  = null;
			$post['post_parent']  = get_option('ap_base_page_created');
			$post['post_status']  = 'publish'; 
			$post['post_title']   = 'Ask';
			$postid = wp_insert_post ($post);
			
			if($postid)
				update_option('ap_ask_page_created', $postid);		
			
		}			
		// create edit page
		if(!get_option('ap_edit_page_created') || !get_post(get_option('ap_edit_page_created'))){
			global $user_ID;
			$post = array();
			$post['post_type']    = 'page';
			$post['post_content'] = esc_attr(' ');
			$post['post_author']  = null;
			$post['post_parent']  = get_option('ap_base_page_created');
			$post['post_status']  = 'publish'; 
			$post['post_title']   = 'Edit';
			$postid = wp_insert_post ($post);
			
			if($postid)
				update_option('ap_edit_page_created', $postid);		
			
		}		

		if(!get_option('anspress_opt')){
			$default = array(
				'base_page' => get_option('ap_base_page_created'),
				'ask_page' => get_option('ap_ask_page_created'),
				'edit_page' => get_option('ap_edit_page_created'),
				'theme' => 'default',
				'author_credits' => false,
				'clear_databse' => false,
				'multiple_answers' => false
			);
			update_option('anspress_opt', $default);	
		}
		
		if ( function_exists( 'is_multisite' ) && is_multisite() ) {

			if ( $network_wide  ) {

				// Get all blog ids
				$blog_ids = self::get_blog_ids();

				foreach ( $blog_ids as $blog_id ) {

					switch_to_blog( $blog_id );
					self::single_activate();
				}

				restore_current_blog();

			} else {
				self::single_activate();
			}

		} else {
			self::single_activate();
		}

	}

	/**
	 * Fired when the plugin is deactivated.
	 *
	 * @param    boolean    $network_wide    True if WPMU superadmin uses
	 *                                       "Network Deactivate" action, false if
	 *                                       WPMU is disabled or plugin is
	 *                                       deactivated on an individual blog.
	 */
	public static function deactivate( $network_wide ) {

		if ( function_exists( 'is_multisite' ) && is_multisite() ) {

			if ( $network_wide ) {

				// Get all blog ids
				$blog_ids = self::get_blog_ids();

				foreach ( $blog_ids as $blog_id ) {

					switch_to_blog( $blog_id );
					self::single_deactivate();

				}

				restore_current_blog();

			} else {
				self::single_deactivate();
			}

		} else {
			self::single_deactivate();
		}

	}

	/**
	 * Fired when a new site is activated with a WPMU environment.
	 *
	 * @param    int    $blog_id    ID of the new blog.
	 */
	public function activate_new_site( $blog_id ) {

		if ( 1 !== did_action( 'wpmu_new_blog' ) ) {
			return;
		}

		switch_to_blog( $blog_id );
		self::single_activate();
		restore_current_blog();

	}

	/**
	 * Get all blog ids of blogs in the current network that are:
	 * - not archived
	 * - not spam
	 * - not deleted
	 *
	 * @return   array|false    The blog ids, false if no matches.
	 */
	private static function get_blog_ids() {

		global $wpdb;

		// get an array of blog ids
		$sql = "SELECT blog_id FROM $wpdb->blogs
			WHERE archived = '0' AND spam = '0'
			AND deleted = '0'";

		return $wpdb->get_col( $sql );

	}

	/**
	 * Fired for each blog when the plugin is activated.
	 */
	private static function single_activate() {
		// @TODO: Define activation functionality here
	}

	/**
	 * Fired for each blog when the plugin is deactivated.
	 *
	 * @since    1.0.0
	 */
	private static function single_deactivate() {
		// @TODO: Define deactivation functionality here
	}

	/**
	 * Load the plugin text domain for translation.
	 *
	 * @since    1.0.0
	 */
	public function load_plugin_textdomain() {

		$domain = $this->plugin_slug;
		$locale = apply_filters( 'plugin_locale', get_locale(), $domain );

		load_textdomain( $domain, trailingslashit( WP_LANG_DIR ) . $domain . '/' . $domain . '-' . $locale . '.mo' );

	}
	
	//add author_more to query vars
	public function query_var() {
		global $wp;
		$wp->add_query_var('edit_q');
	}

}