<?php
/**
Plugin Name: Aspexi Sweet Popups
Plugin URI:  http://aspexi.com/downloads/aspexi-sweet-popups/?src=free_plugin
Description: Simple popups plugin based on Sweet Alert that automatically centers itself on the page and looks great no matter if you're using a desktop computer, mobile or tablet.
Author: Aspexi
Author URI: http://aspexi.com/
Version: 1.0.0

License: GPLv2 or later

    © Copyright 2015 Aspexi
    This program is free software; you can redistribute it and/or modify
    it under the terms of the GNU General Public License, version 2, as
    published by the Free Software Foundation.
    This program is distributed in the hope that it will be useful,
    but WITHOUT ANY WARRANTY; without even the implied warranty of
    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
    GNU General Public License for more details.
    You should have received a copy of the GNU General Public License
    along with this program; if not, write to the Free Software
    Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301  USA
*/

defined('ABSPATH') or exit();

if ( ! class_exists( 'AspexiSweetPopups' ) ) {

    define('ASPEXISWEETPOPUPS_VERSION', '1.0.0');
    define('ASPEXISWEETPOPUPS_URL', plugins_url() . '/aspexi-sweet-popups/');
    define('ASPEXISWEETPOPUPS_ADMIN_URL', 'themes.php?page=aspexi-sweet-popups.php');

    class AspexiSweetPopups
    {
        protected $config   = array();
        protected $messages = array();
        protected $errors   = array();

        private $cookie_name = 'showasp';

        public function __construct() {

            $this->settings();

            add_action( 'admin_menu',           array( &$this, 'admin_menu' ) );
            add_action( 'init',                 array( &$this, 'init' ), 10 );
            add_action( 'wp_enqueue_scripts',   array( &$this, 'init_scripts' ) );
            add_action( 'admin_enqueue_scripts',array( &$this, 'admin_scripts' ) );

            add_filter( 'plugin_action_links',  array( &$this, 'settings_link' ), 10, 2);

            register_uninstall_hook( __FILE__, array( 'AspexiSweetPopups', 'uninstall' ) );
        }

        /* WP init action */
        public function init() {

            /* Internationalization */
            load_plugin_textdomain( 'aspexisweetpopups', false, dirname( plugin_basename( __FILE__ ) ) . '/languages/' );
        }

        public function admin_menu() {

            add_submenu_page( 'themes.php', __( 'Aspexi Sweet Popups', 'aspexisweetpopups' ), __( 'Aspexi Sweet Popups', 'aspexisweetpopups' ), 'manage_options', 'aspexi-sweet-popups.php', array( &$this, 'admin_page' ) );
        }

        public function settings() {

            $config_default = array(
                'aspexisweetpopups_version' => ASPEXISWEETPOPUPS_VERSION,
                'status' => 'disabled',
                'only_frontpage' => 'off',
                'title' => 'Your title',
                'content' => 'Your content',
                'only_once' => 'off',
                'only_once_days' => 30,
                'icon_type' => 'empty',
            );

            if ( is_multisite() ) {
                if ( ! get_site_option( 'aspexisweetpopups_options' ) )
                    add_site_option( 'aspexisweetpopups_options', $config_default, '', 'yes' );
            } else {
                if ( ! get_option( 'aspexisweetpopups_options' ) )
                    add_option( 'aspexisweetpopups_options', $config_default, '', 'yes' );
            }
            
            if ( is_multisite() )
                $this->config = get_site_option( 'aspexisweetpopups_options' );
            else
                $this->config = get_option( 'aspexisweetpopups_options' );
        }

        public function get_content_with_shortcodes() {

            $content = nl2br( $this->config['content'] );
            $matches = array();
            preg_match_all( '/' . get_shortcode_regex() . '/s', $content, $matches );

            if ( ! empty( $matches[2] ) )

                foreach ( $matches[2] as $key => $shortcode )

                    $content = str_replace( $matches[0][$key], do_shortcode( $matches[0][$key] ), $content );

            return $content;
        }

        public function init_scripts() {

            if( $this->config['status'] != 'enabled' || ( $this->config['only_frontpage'] == 'on' && ! is_front_page() ) )

                return;

            wp_enqueue_style( 'sweet-alert', ASPEXISWEETPOPUPS_URL . 'css/sweetalert.css' );
            wp_enqueue_script( 'sweet-alert', ASPEXISWEETPOPUPS_URL . 'js/sweetalert.min.js' );
            wp_enqueue_script( 'aspexi-sweet-popups', ASPEXISWEETPOPUPS_URL . 'js/asp.js', array( 'sweet-alert', 'jquery') );
            wp_localize_script( 'aspexi-sweet-popups', 'asp', array(
                'show'      => ( isset( $_COOKIE[$this->cookie_name] ) && 'on' == $this->config['only_once'] ) ? false : true,
                'title'     => $this->config['title'],
                'content'   => $this->get_content_with_shortcodes(),
                'icon_type' => $this->config['icon_type'],
                'html'      => 'true'
            ) );

            $_expire = 0;

            if ( $this->config['only_once_days'] != '' )

                $_expire = absint( (int)$this->config['only_once_days'] );

            if( ! isset( $_COOKIE[$this->cookie_name] ) && 'on' == $this->config['only_once'] ) {

                if( 0 == $_expire )

                    $expire = 0;

                else
                    
                    $expire = time() + ( 60 * 60 * 24 * $_expire );

                setcookie( $this->cookie_name, 'false', $expire );

            }

            elseif( isset( $_COOKIE[$this->cookie_name] ) && 'on' != $this->config['only_once'] )
                // remove cookie
                setcookie( $this->cookie_name, '', time() - 360 );
        }

        public function admin_scripts( $hook_suffix ) {

            if( 'appearance_page_aspexi-sweet-popups' != $hook_suffix )
                return;

            wp_enqueue_style( 'sweet-alert', ASPEXISWEETPOPUPS_URL . 'css/sweetalert.css' );
            wp_enqueue_script( 'sweet-alert', ASPEXISWEETPOPUPS_URL . 'js/sweetalert.min.js' );
            wp_enqueue_script( 'aspexi-sweet-popups', ASPEXISWEETPOPUPS_URL . 'js/asp-admin.js', array( 'sweet-alert', 'jquery') );
            wp_localize_script( 'aspexi-sweet-popups', 'asp', array(
                'show'      => ( isset( $_COOKIE[$this->cookie_name] ) && 'on' == $this->config['only_once'] ) ? false : true,
                'title'     => $this->config['title'],
                'content'   => nl2br( $this->config['content'] ),
                'icon_type' => $this->config['icon_type'],
                'html'      => 'true'
            ) );
        }

        public function get_pro_url() {

            return 'http://aspexi.com/downloads/aspexi-sweet-popups/?src=free_plugin';
        }

        public function get_pro_link() {

            return '<a href="'.$this->get_pro_url().'" target="_blank">'.__( 'Get PRO version', 'aspexisweetpopups' ).'</a>';
        }

        public function settings_link( $action_links, $plugin_file ) {

            if( $plugin_file == plugin_basename(__FILE__) ) {
                $pro_link = $this->get_pro_link();
                array_unshift( $action_links, $pro_link );

                $settings_link = '<a href="themes.php?page=' . dirname( plugin_basename( __FILE__ ) ) . '.php">' . __("Settings") . '</a>';
                array_unshift( $action_links, $settings_link );
            }

            return $action_links;
        }

        public static function uninstall() {

            if ( ! is_multisite() )
                delete_option( 'aspexisweetpopups_options' );
            else {
                global $wpdb;
                $blog_ids = $wpdb->get_col( "SELECT blog_id FROM $wpdb->blogs" );
                $original_blog_id = get_current_blog_id();
                foreach ( $blog_ids as $blog_id ) {
                    switch_to_blog( $blog_id );
                    delete_option( 'aspexisweetpopups_options' );
                }
                switch_to_blog( $original_blog_id );

                delete_site_option( 'aspexisweetpopups_options' );
            }
        }

        public function display_admin_notices( $echo = false ) {

            $ret = '';

            foreach( (array)$this->errors as $error )
                $ret .= '<div class="error fade"><p><strong>'.$error.'</strong></p></div>';

            foreach( (array)$this->messages as $message )
                $ret .= '<div class="updated fade"><p><strong>'.$message.'</strong></p></div>';

            if( $echo )
                echo $ret;
            else
                return $ret;
        }

        public function admin_page() {

            if ( ! current_user_can('manage_options') )

                wp_die( __('You do not have sufficient permissions to access this page.') );

            if ( isset( $_REQUEST['asp_form_submit'] ) && check_admin_referer( plugin_basename( __FILE__ ), 'asp_nonce_name' ) ) {

                if ( ! in_array( $_REQUEST['asp_status'], array( 'enabled', 'disabled' ) ) )

                    $this->add_error( __( 'Wrong or missing status. Available statuses: enabled and disabled. Settings not saved.' ) );

                if ( ! in_array( $_REQUEST['asp_icon_type'], array( 'empty', 'warning', 'error', 'success', 'info' ) ) )

                    $this->add_error( __( 'Wrong icon type. Available types: empty, warning, error, success, info. Settings not saved.' ) );

                if( isset( $_REQUEST['asp_content'] ) ) {

                    $_asp_content = stripslashes( wp_kses_post( balanceTags( $_REQUEST['asp_content'], true ) ) );

                    if( ! strlen( $_asp_content ) )

                        $this->add_error( __( 'Missing Popup content. Settings not saved.') );

                } else 

                    $this->add_error( __( 'Missing Popup content. Settings not saved.') );

                if ( ! $this->has_errors() ) {

                    $aspexisweetpopups_request_options = array();
                    $aspexisweetpopups_request_options['status'] = isset( $_REQUEST['asp_status'] ) ? sanitize_text_field( $_REQUEST['asp_status'] ) : '';
                    $aspexisweetpopups_request_options['only_frontpage'] = isset( $_REQUEST['asp_only_frontpage'] ) ? sanitize_text_field( $_REQUEST['asp_only_frontpage'] ) : '';
                    $aspexisweetpopups_request_options['title'] = isset( $_REQUEST['asp_title'] ) ? sanitize_text_field( $_REQUEST['asp_title'] ) : '';
                    $aspexisweetpopups_request_options['content'] = $_asp_content;
                    $aspexisweetpopups_request_options['only_once'] = isset( $_REQUEST['asp_only_once'] ) ? sanitize_text_field( $_REQUEST['asp_only_once'] ) : '';
		            if( 'on' == $aspexisweetpopups_request_options['only_once'] )
                        $aspexisweetpopups_request_options['only_once_days'] = isset( $_REQUEST['asp_only_once_days'] ) ? absint( (int) $_REQUEST['asp_only_once_days'] ) : '';
                    $aspexisweetpopups_request_options['icon_type'] = isset( $_REQUEST['asp_icon_type'] ) ? sanitize_text_field( $_REQUEST['asp_icon_type'] ) : '';

                    $this->config = array_merge( $this->config, $aspexisweetpopups_request_options );

                    if ( is_multisite() )
                        update_site_option( 'aspexisweetpopups_options',  $this->config, '', 'yes' );
                    else
                        update_option( 'aspexisweetpopups_options',  $this->config, '', 'yes' );

                    $this->add_message( __( 'Settings saved.', 'aspexisweetpopups' ) );
                }
            }

            ?>
            <div class="wrap">
            <?php $this->display_admin_notices( true ); ?>
            <h1><?php _e( 'Aspexi Sweet Popups Settings', 'aspexisweetpopups' ); ?></h1>
            <div id="poststuff" class="metabox-holder">
            <div id="post-body">
            <form method="post" action="<?php echo ASPEXISWEETPOPUPS_ADMIN_URL; ?>">
                <input type="hidden" name="asp_form_submit" value="submit" />
                <?php wp_nonce_field( plugin_basename( __FILE__ ), 'asp_nonce_name' ); ?>
                <div class="postbox">
                    <div class="inside">
                        <table class="form-table">
                            <tbody>
                            <tr valign="top">
                                <th scope="row">
                                    <?php _e('Sweet Popups', 'aspexisweetpopups'); ?>
                                </th>
                                <td>
                                    <select name="asp_status">
                                        <option value="enabled" <?php echo ($this->config['status'] == 'enabled') ? 'selected' : ''; ?>><?php _e('Enabled', 'aspexisweetpopups'); ?></option>
                                        <option value="disabled" <?php echo ($this->config['status'] == 'disabled') ? 'selected' : ''; ?>><?php _e('Disabled', 'aspexisweetpopups'); ?></option>
                                    </select>
                                </td>
                            </tr>
                            <tr valign="top">
                                <th scope="row">
                                    <?php _e('Show only on the home page', 'aspexisweetpopups'); ?>
                                </th>
                                <td>
                                    <input type="checkbox" name="asp_only_frontpage" value="on" <?php echo ($this->config['only_frontpage'] == 'on') ? 'checked' : ''; ?>><br>
                                </td>
                            </tr>
                            <tr valign="top">
                                <th scope="row">
                                    <?php _e( 'Popup title', 'aspexisweetpopups' ); ?>
                                </th>
                                <td>
                                    <input type="text" name="asp_title" value="<?php echo esc_html( $this->config['title'] ); ?>" style="width: 320px;">
                                </td>
                            </tr>
                            <tr valign="top">
                                <th scope="row">
                                    <?php _e('Popup content', 'aspexisweetpopups'); ?>
                                </th>
                                <td>
                                    <textarea name="asp_content"cols="30" rows="10" style="width: 320px;"><?php echo esc_textarea( $this->config['content'] ); ?></textarea><br>
                                    <p><?php _e( 'You can use simple HTML and shortcodes.', 'aspexisweetpopups' ); ?></p>
                                </td>
                            </tr>
                            <tr valign="top">
                                <th scope="row">
                                    <?php _e('Show only once per user (based on cookies)', 'aspexisweetpopups'); ?>
                                </th>
                                <td>
                                    <input type="checkbox" name="asp_only_once" <?php echo ( 'on' == $this->config['only_once'] ) ? 'checked' : ''; ?> value="on"><br>
                                </td>
                            </tr>
                            <tr valign="top">
                                <th scope="row">
                                    <?php _e('Cookie lifetime (in days)', 'aspexisweetpopups'); ?>
                                </th>
                                <td>
                                    <input type="text" name="asp_only_once_days" size="3" value="<?php echo absint( (int)$this->config['only_once_days'] ); ?>" <?php echo ( 'on' != $this->config['only_once'] ) ? 'disabled' : ''; ?>>&nbsp;&nbsp;<?php echo __( 'If omitted or zero, the cookie will expire at the end of the session.', 'aspexisweetpopups' ); ?>
                                </td>
                            </tr>
                            <tr valign="top">
                                <th scope="row">
                                    <?php _e('Icon type', 'aspexisweetpopups'); ?>
                                </th>
                                <td style="text-align: center;">
                                    <div style="float: left;">
                                        <label for="aps_icon_type_empty">
                                            <img src="<?php echo ASPEXISWEETPOPUPS_URL ?>images/empty.png" alt=""><br>
                                            <input id="aps_icon_type_empty" type="radio" name="asp_icon_type" <?php echo ( 'empty' == $this->config['icon_type'] ) ? 'checked' : ''; ?> value="empty"><br><?php _e('Empty', 'aspexisweetpopups'); ?>
                                        </label>
                                    </div>
                                    <div style="float: left; margin-left: 30px;">
                                        <label for="aps_icon_type_info">
                                            <img src="<?php echo ASPEXISWEETPOPUPS_URL ?>images/info.png" alt=""><br>
                                            <input id="aps_icon_type_info" type="radio" name="asp_icon_type" <?php echo ( 'info' == $this->config['icon_type'] ) ? 'checked' : ''; ?> value="info"><br><?php _e('Info', 'aspexisweetpopups'); ?>
                                        </label>
                                    </div>
                                    <div style="float: left; margin-left: 30px;">
                                        <label for="aps_icon_type_warning">
                                            <img src="<?php echo ASPEXISWEETPOPUPS_URL ?>images/warning.png" alt=""><br>
                                            <input id="aps_icon_type_warning" type="radio" name="asp_icon_type" <?php echo ( 'warning' == $this->config['icon_type'] ) ? 'checked' : ''; ?> value="warning" style="vertical-align: bottom;"><br><?php _e('Warning', 'aspexisweetpopups'); ?>
                                        </label>
                                    </div>
                                    <div style="float: left; margin-left: 30px;">
                                        <label for="aps_icon_type_success">
                                            <img src="<?php echo ASPEXISWEETPOPUPS_URL ?>images/success.png" alt=""><br>
                                            <input id="aps_icon_type_success" type="radio" name="asp_icon_type" <?php echo ( 'success' == $this->config['icon_type'] ) ? 'checked' : ''; ?> value="success"><Br><?php _e('Success', 'aspexisweetpopups'); ?>
                                        </label>
                                    </div>
                                    <div style="float: left; margin-left: 30px;">
                                        <label for="aps_icon_type_error">
                                            <img src="<?php echo ASPEXISWEETPOPUPS_URL ?>images/error.png" alt=""><br>
                                            <input id="aps_icon_type_error" type="radio" name="asp_icon_type" <?php echo ( 'error' == $this->config['icon_type'] ) ? 'checked' : ''; ?> value="error"><br><?php _e('Error', 'aspexisweetpopups'); ?>
                                        </label>
                                    </div>
                                </td>
                            </tr>
                            </tbody>
                        </table>
                    </div>
                </div>
                <p>
                    <input class="button-primary" type="submit" name="send" value="<?php _e('Save settings', 'aspexisweetpopups'); ?>" id="submitbutton" />
                    <input class="button-secondary" type="submit" value="<?php _e('Preview', 'aspexisweetpopups'); ?>" id="previewbutton" />
                </p>
            </form>
            <br />
            <div class="postbox">
                <h3><span>Made by</span></h3>
                <div class="inside">
                    <div style="width: 170px; margin: 0 auto;">
                        <a href="http://aspexi.com/" target="_blank"><img src="<?php echo ASPEXISWEETPOPUPS_URL.'images/aspexi300.png'; ?>" alt="" border="0" width="150" /></a>
                    </div>
                </div>
            </div>
            <?php
        }

        private function add_message( $message ) {

            $message = trim( $message );

            if( strlen( $message ) )
                $this->messages[] = $message;
        }

        public function has_errors() {

            return count( $this->errors );
        }

        private function add_error( $error ) {
            $error = trim( $error );

            if( strlen( $error ) )
                $this->errors[] = $error;
        }
    }

    global $aspexi_sweet_popups;
    $aspexi_sweet_popups = new AspexiSweetPopups();
}