<?php

    class Auto_User extends WP_User {

        var $db;
        var $blog_id = false;
        var $site_id = false;

        function Auto_User( $id, $name = '' ) {

            global $wpdb, $blog_id, $site_id;

            if($id != 0) {
                parent::__construct( $id, $name = '' );
            }


            $this->db =& $wpdb;
            $this->blog_id = $blog_id;
            $this->site_id = $site_id;

        }

        function set_blog_id( $blog_id ) {
            $this->blog_id = (int) $blog_id;

            update_user_meta($this->ID, '_automessage_on_blog', (int) $blog_id);

        }

        function set_site_id( $site_id ) {
            $this->site_id = (int) $site_id;
        }

        function send_message( $subject, $message ) {

            if(!empty($this->user_email)) {

                $blog_id = get_user_meta( $this->ID, '_automessage_on_blog', true );

                if(empty($blog_id)) {
                    $blog_id = $this->blog_id;
                }

                if(function_exists('get_blog_option')) {
                    $replacements = array(  "/%blogname%/"  =>  get_blog_option( $blog_id,'blogname'),
                                            "/%blogurl%/"   =>  untrailingslashit(get_blog_option( $blog_id,'home')),
                                            "/%username%/"  =>  $this->user_login,
                                            "/%usernicename%/"  =>  $this->user_nicename
                                        );
                } else {
                    $replacements = array(  "/%blogname%/"  =>  get_option('blogname'),
                                            "/%blogurl%/"   =>  untrailingslashit(get_option('home')),
                                            "/%username%/"  =>  $this->user_login,
                                            "/%usernicename%/"  =>  $this->user_nicename
                                        );
                }



                if(function_exists('get_site_details')) {
                    $site = get_site_details($this->site_id);
                    $replacements['/%sitename%/'] = $site->sitename;
                    $replacements['/%siteurl%/'] = 'http://' . $site->domain . $site->path;
                } else {
                    // Site exists
                    if(!empty($this->db->sitemeta)) {
                        $site = $this->db->get_row( $this->db->prepare("SELECT * FROM {$this->db->site} WHERE id = %d", $this->site_id));
                        $replacements['/%sitename%/'] = $this->db->get_var( $this->db->prepare("SELECT meta_value FROM {$this->db->sitemeta} WHERE meta_key = 'site_name' AND site_id = %d", $this->site_id) );
                        $replacements['/%siteurl%/'] = 'http://' . $site->domain . $site->path;
                    } else {
                        // Not a multisite install
                        $replacements['/%sitename%/'] = $replacements['/%blogname%/'];
                        $replacements['/%siteurl%/'] = $replacements['/%blogurl%/'];
                    }


                }
                $replacements['/%siteurl%/'] = untrailingslashit($replacements['/%siteurl%/']);

                $replacements = apply_filters('automessage_replacements', $replacements);

                if(!empty($message)) {
                    $subject = stripslashes($subject);
                    $msg = stripslashes($message);

                    $find = array_keys($replacements);
                    $replace = array_values($replacements);

                    $msg = preg_replace($find, $replace, $msg);
                    $subject = preg_replace($find, $replace, $subject);

                    // Add in the unsubscribe text at the bottom of the message
                    $msg .= "\n\n"; // Two blank lines
                    $msg .= "\n"; // Footer marker
                    $msg .= "<p style='font-size:10px;'>Not interested anymore? <a href='".$replacements['/%siteurl%/']."/unsubscribe/".md5( $this->ID . '116224' )."'>Unsubscribe</a></p>";

                    // Set up the from address
                    $header = 'From: "' . $replacements['/%sitename%/'] . '" <noreply@' . str_replace('http://', '', $replacements['/%siteurl%/']) . '>';
                    $res = @wp_mail( $this->user_email, $subject, $msg, $header );

                    do_action( 'automessage_sent_to', $this->ID);

                }

            }

        }

        function send_unsubscribe() {

            $replacements = array(  "/%blogname%/"  =>  get_option('blogname'),
                                    "/%blogurl%/"   =>  untrailingslashit(get_option('home')),
                                    "/%username%/"  =>  $this->user_login,
                                    "/%usernicename%/"  =>  $this->user_nicename
                                );

            if(function_exists('get_site_details')) {
                $site = get_site_details($this->site_id);
                $replacements['/%sitename%/'] = $site->sitename;
                $replacements['/%siteurl%/'] = 'http://' . $site->domain . $site->path;
            } else {
                // Site exists
                if(!empty($this->db->sitemeta)) {
                    $site = $this->db->get_row( $this->db->prepare("SELECT * FROM {$this->db->site} WHERE id = %d", $this->site_id));
                    $replacements['/%sitename%/'] = $this->db->get_var( $this->db->prepare("SELECT meta_value FROM {$this->db->sitemeta} WHERE meta_key = 'site_name' AND site_id = %d", $this->site_id) );
                    $replacements['/%siteurl%/'] = 'http://' . $site->domain . $site->path;
                } else {
                    // Not a multisite install
                    $replacements['/%sitename%/'] = $replacements['/%blogname%/'];
                    $replacements['/%siteurl%/'] = $replacements['/%blogurl%/'];
                }
            }
            $replacements['/%siteurl%/'] = untrailingslashit($replacements['/%siteurl%/']);

            $replacements = apply_filters('automessage_replacements', $replacements);

            $header = 'From: "' . $replacements['/%sitename%/'] . '" <noreply@' . str_replace('http://', '', $replacements['/%siteurl%/']) . '>';
            $res = @wp_mail( $this->user_email, __("Unsubscribe request processed", 'automessage'), __("Your unsubscribe request has been processed and you have been removed from our mailing list.\n\nThank you\n\n", 'automessage'), $header );
            return $res;
        }

        function current_action( $type = 'user') {
            $blog_id = get_current_blog_id();
            $blog_id = ($type == 'user' && $blog_id != 1 && $blog_id != '') ? '_'.$blog_id : '';

            $action = get_user_meta( $this->ID, '_automessage_on_' . $type . '_action'.$blog_id, true );

            if(empty($action)) {
                return false;
            } else {
                if(is_array($action)) {
                    return array_shift($action);
                } else {
                    return $action;
                }
            }
        }

        function on_action( $type = 'user', $blog_id = 0) {
            $blog_id = get_current_blog_id();
            $blog_id = ($type == 'user' && $blog_id != 1 && $blog_id != '') ? '_'.$blog_id : '';

            $action = get_user_meta( $this->ID, '_automessage_on_' . $type . '_action'.$blog_id, true );

            if(empty($action)) {
                return false;
            } else {
                return true;
            }
        }

        function schedule_message( $message_id, $timestamp, $type = 'user' ) {
            $blog_id = get_current_blog_id();
            $blog_id = ($type == 'user' && $blog_id != 1 && $blog_id != '') ? '_'.$blog_id : '';

            update_user_meta($this->ID, '_automessage_on_' . $type . '_action'.$blog_id, (int) $message_id);
            update_user_meta($this->ID, '_automessage_run_' . $type . '_action'.$blog_id, (int) $timestamp);

        }

        function clear_subscriptions( $type = 'user') {
            $blog_id = get_current_blog_id();
            $blog_id = ($type == 'user' && $blog_id != 1 && $blog_id != '') ? '_'.$blog_id : '';

            if($this->current_action( $type )) {
                delete_user_meta($this->ID, '_automessage_on_' . $type . '_action'.$blog_id);
                delete_user_meta($this->ID, '_automessage_run_' . $type . '_action'.$blog_id);
            }


        }

        function has_message_scheduled( $message_id ) {
            //return !! get_usermeta($this->ID, '_automessage_on_action');
        }

        function on_message( $message_id ) {
            //return !! get_usermeta($this->ID, '_automessage_on_action');
        }

        function next_message() {

        }


    }

?>