<?php
/*
Plugin Name: PJ News Ticker
Plugin URI:  https://wordpress.org/plugins/pj-news-ticker/
Description: PJ News Ticker is a small plugin that shows your most recent posts in a marquee style.
Version:     1.9.8
Author:      Paul Jura & Nicolas Montigny
Author URI:  https://primitiv.media/
License:     GPL3
License URI: https://www.gnu.org/licenses/gpl-3.0.html
Text Domain: pj-news-ticker
Domain Path: /languages

PJ News Ticker - A basic news ticker for Wordpress
Copyright (C) 2020  Paul Jura & Nicolas Montigny

This program is free software: you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation, either version 3 of the License, or
(at your option) any later version.

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, see <http://www.gnu.org/licenses/>.
*/

define('PJNT_VERSION', '1.9.8');

/**
 * Static class available for cbn mvontent and admin pages
 */
if (!class_exists('PjNewsTickerHelper')) {
    class PjNewsTickerHelper
    {
        public static function getVersion()
        {
            return PJNT_VERSION;
        }

        public static function getDefaultOptions()
        {
            return array(
                'num_posts' => 5,
                'post_cat' => '0',
                'post_type' => 'post',
                'show_label' => 'true',
                'label_text' => 'Latest Posts',
                'label_text_colour' => '#ffffff',
                'label_bg_colour' => '#1e73be',
                'ticker_bg_colour' => '#ffffff',
                'no_content_text' => 'There are no matching posts to display...',
                'speed' => 100,
                'size' => '100%',
                'show_excerpt' => 'false',
                'target' => '_self',
                'gap' => 'true',
                'hide_if_empty' => 'false',
                'override_posts' => 'false',
                'override_posts_custom_colour' => 'false',
                'override_posts_custom_text' => 'Custom Text',
                'override_posts_custom_text_colour' => '#cf2727',
                'override_posts_custom_text_url' => 'https://google.ca',
                'top_banner' => 'false',
                'top_banner_all_pages' => 'true',
                'top_banner_flag' => 'only_on',
                'top_banner_pages' => '',
                'google_font_url' => '',
                'google_font' => 'Poppins',
                'google_font_choice' => 'custom',
                'custom_separator' => '',
                'custom_separator_image' => '',
                'custom_separator_width' => '',
                'custom_separator_condition' => 'false'
            );
        }

        public static function sanitize($input)
        {
            $newInput = self::getDefaultOptions();
            if (isset($input['num_posts'])) $newInput['num_posts'] = intval($input['num_posts']);
            if (isset($input['post_type'])) $newInput['post_type'] = sanitize_text_field($input['post_type']);
            if (isset($input['post_cat'])) {
                if (is_array($input['post_cat'])) {
                    $newInput['post_cat'] = array_map('sanitize_text_field', $input['post_cat']);
                    if (in_array('0', $newInput['post_cat'])) {
                        $newInput['post_cat'] = '0';
                    } else {
                        $newInput['post_cat'] = join(',', $newInput['post_cat']);
                    }
                } else {
                    $newInput['post_cat'] = sanitize_text_field($input['post_cat']);
                }
            }
            if (isset($input['show_label']) && in_array($input['show_label'], array('true', 'false'))) $newInput['show_label'] = $input['show_label'];
            if (isset($input['label_text'])) $newInput['label_text'] = sanitize_text_field($input['label_text']);
            if (isset($input['label_text_colour'])) $newInput['label_text_colour'] = self::validateHtmlColour($input['label_text_colour']);
            if (isset($input['label_bg_colour'])) $newInput['label_bg_colour'] = self::validateHtmlColour($input['label_bg_colour']);
            if (isset($input['ticker_bg_colour'])) $newInput['ticker_bg_colour'] = self::validateHtmlColour($input['ticker_bg_colour']);
            if (isset($input['no_content_text'])) $newInput['no_content_text'] = sanitize_text_field($input['no_content_text']);
            if (isset($input['speed'])) $newInput['speed'] = abs(intval($input['speed']));
            if (isset($input['size'])) $newInput['size'] = sanitize_text_field($input['size']);
            if (isset($input['show_excerpt']) && in_array($input['show_excerpt'], array('true', 'false'))) $newInput['show_excerpt'] = $input['show_excerpt'];
            if (isset($input['target']) && in_array($input['target'], array('_self', '_blank'))) $newInput['target'] = sanitize_text_field($input['target']);
            if (isset($input['gap']) && in_array($input['gap'], array('true', 'false'))) $newInput['gap'] = sanitize_text_field($input['gap']);
            if (isset($input['hide_if_empty']) && in_array($input['hide_if_empty'], array('true', 'false'))) $newInput['hide_if_empty'] = sanitize_text_field($input['hide_if_empty']);
            if (isset($input['override_posts']) && in_array($input['override_posts'], array('true', 'false'))) $newInput['override_posts'] = sanitize_text_field($input['override_posts']);
            if (isset($input['override_posts_custom_colour']) && in_array($input['override_posts_custom_colour'], array('true', 'false'))) $newInput['override_posts_custom_colour'] = sanitize_text_field($input['override_posts_custom_colour']);
            if (isset($input['override_posts_custom_text'])) $newInput['override_posts_custom_text'] = sanitize_text_field($input['override_posts_custom_text']);
            if (isset($input['override_posts_custom_text_colour'])) $newInput['override_posts_custom_text_colour'] = self::validateHtmlColour($input['override_posts_custom_text_colour']);
            if (isset($input['override_posts_custom_text_url'])) $newInput['override_posts_custom_text_url'] = self::validateUrl($input['override_posts_custom_text_url']);
            if (isset($input['top_banner']) && in_array($input['top_banner'], array('true', 'false'))) $newInput['top_banner'] = sanitize_text_field($input['top_banner']);
            if (isset($input['top_banner_all_pages']) && in_array($input['top_banner_all_pages'], array('true', 'false'))) $newInput['top_banner_all_pages'] = sanitize_text_field($input['top_banner_all_pages']);
            if (isset($input['top_banner_flag']) && in_array($input['top_banner_flag'], array('true', 'false'))) $newInput['top_banner_flag'] = sanitize_text_field($input['top_banner_flag']);
            if (isset($input['top_banner_pages'])) $newInput['top_banner_pages'] = sanitize_text_field($input['top_banner_pages']);
            if (isset($input['google_font_url'])) $newInput['google_font_url'] = self::validateUrlTwo($input['google_font_url']);
            if (isset($input['google_font_choice']) && in_array($input['google_font_choice'], array('custom', 'predefined'))) $newInput['google_font_choice'] = sanitize_text_field($input['google_font_choice']);
            if (isset($input['google_font']) && in_array($input['google_font'], array('Poppins', 'Roboto', 'Montserrat', 'Open Sans', 'Oswald', 'Lato'))) $newInput['google_font'] = sanitize_text_field($input['google_font']);
            if (isset($input['custom_separator'])) $newInput['custom_separator'] = sanitize_text_field($input['custom_separator']);
            if (isset($input['custom_separator_condition']) && in_array($input['custom_separator_condition'], array('true', 'false'))) $newInput['custom_separator_condition'] = $input['custom_separator_condition'];
            if (isset($input['custom_separator_image'])) $newInput['custom_separator_image'] = self::validateUrl($input['custom_separator_image']);
            if (isset($input['custom_separator_width'])) $newInput['custom_separator_width'] = sanitize_text_field($input['custom_separator_width']);

            return $newInput;
        }

        public static function validateHtmlColour($input)
        {
            if (preg_match('/^#[a-f0-9]{6}$/i', $input)) {
                return $input;
            } else {
                return '#000000';
            }
        }

        public static function validateUrl($input)
        {
            // Remove all illegal characters from a url
            $input = filter_var($input, FILTER_SANITIZE_URL);
            // Validate url
            if (filter_var($input, FILTER_VALIDATE_URL)) {
                return $input;
            } else {
                return 'Invalid URL';
            }

        }

        public static function validateUrlTwo($input)
        {
            // Remove all illegal characters from a url
            $input = filter_var($input, FILTER_SANITIZE_URL);
            // Validate url
            if (filter_var($input, FILTER_VALIDATE_URL) && strpos($input, '|') == false && strpos($input, ',') == false) {
                return $input;
            } else {
                return 'Invalid URL';
            }

        }

    }
}

if (is_admin()) {
    require_once(dirname(__FILE__) . '/admin/pj-news-ticker-admin.php');
}

if (!class_exists('PjNewsTicker') && !is_admin()) {
    class PjNewsTicker
    {
        private $defaultOptions;

        public function __construct()
        {
            $this->defaultOptions = array_replace(PjNewsTickerHelper::getDefaultOptions(), get_option('pj-news-ticker-options', array()));
            $this->addShortcode();
            add_action('wp_enqueue_scripts', array($this, 'enqueueScripts'));
            add_action('wp_body_open', array($this, 'custom_content_after_body_open_tag'));
        }

        protected function addShortCode()
        {
            add_shortcode('pj-news-ticker', array($this, 'renderNewsTicker'));
        }

        public static function enqueueScripts($atts = array(), $content = null)
        {
            // news ticker js
            wp_enqueue_script('pj-news-ticker', plugins_url('public/js/pj-news-ticker.js', __FILE__), array('jquery'), PjNewsTickerHelper::getVersion());
            // css
            wp_enqueue_style('pj-news-ticker', plugins_url('public/css/pj-news-ticker.css', __FILE__), array(), PjNewsTickerHelper::getVersion());

            //enqueue google font
            $atts = array_change_key_case((array)$atts, CASE_LOWER);
            $options = shortcode_atts(array_replace(PjNewsTickerHelper::getDefaultOptions(), get_option('pj-news-ticker-options', array())), $atts);
            $page_id = get_queried_object_id();

            $check = get_post($page_id)->post_content;
            if (is_object($check)) {
                $page_content = $check;
            }

            $array_of_pages = explode(",", $options['top_banner_pages']);

            function add_google_fonts($page_content, $options)
            {
                if ($options['google_font_choice'] === 'custom' && $options['google_font_url'] != '' && $options['google_font_url'] !== "Invalid URL") {
                    wp_enqueue_style('pj-news-ticker-google-fonts', $options['google_font_url'], false);
                } else {
                    wp_enqueue_style('pj-news-ticker-google-fonts', 'https://fonts.googleapis.com/css?family=' . $options['google_font'], false);
                }

                if (preg_match_all('/google_font=["\'](.*?)["\']/', $page_content, $google_fonts)) {
                    $counter = 0;
                    foreach ($google_fonts[1] as $google_font) {
                        $counter++;
                        wp_enqueue_style('pj-news-ticker-google-fonts-' . $counter, 'https://fonts.googleapis.com/css?family=' . $google_font, false);
                    }
                }

                if (preg_match_all('/google_font_url=["\'](.*?)["\']/', $page_content, $google_fonts_url)) {
                    $counter = 0;
                    foreach ($google_fonts_url[1] as $google_font_url) {
                        $counter++;
                        wp_enqueue_style('pj-news-ticker-google-fonts-' . $counter, $google_font_url, false);
                    }
                }
            }

            if (is_object($check)) {
                if (has_shortcode($page_content, 'pj-news-ticker') || $options['top_banner'] === 'true') {
                    if ($options['top_banner_all_pages'] === 'false') {
                        if ($options['top_banner_flag'] === 'true') {
                            if (is_page($array_of_pages)) {
                                add_google_fonts($page_content, $options);
                            }
                        } else {
                            if (!is_page($array_of_pages)) {
                                add_google_fonts($page_content, $options);
                            }
                        }
                    } else {
                        add_google_fonts($page_content, $options);
                    }
                }
            }
        }


        public function custom_content_after_body_open_tag($atts = array(), $content = null)
        {
            // Override default options with the shortcode options
            $atts = array_change_key_case((array)$atts, CASE_LOWER);
            $options = shortcode_atts($this->defaultOptions, $atts);

            $array_of_pages = explode(",", $options['top_banner_pages']);

            if ($options['top_banner'] === 'true') {
                if ($options['top_banner_all_pages'] === 'false') {
                    if ($options['top_banner_flag'] === 'true') {
                        if (is_page($array_of_pages)) {
                            echo do_shortcode('[pj-news-ticker]');
                        }
                    } else {
                        if (!is_page($array_of_pages)) {
                            echo do_shortcode('[pj-news-ticker]');
                        }
                    }
                } else {
                    echo do_shortcode('[pj-news-ticker]');
                }
            }
        }

        public function renderNewsTicker($atts = array(), $content = null)
        {
            // Override default options with the shortcode options
            $atts = array_change_key_case((array)$atts, CASE_LOWER);
            $options = shortcode_atts($this->defaultOptions, $atts);

            // Get the posts
            $postOptions = array(
                'numberposts' => $options['num_posts'],
                'category' => 0,
                'orderby' => 'date',
                'order' => 'DESC',
                'post_type' => $options['post_type'],
            );
            if (!empty($options['post_cat'])) {
                $postOptions['category_name'] = $options['post_cat'];
            }
            $posts = get_posts($postOptions);

            // return early if no posts and option to hide is set
            if (count($posts) == 0 && $options['hide_if_empty'] == 'true') {
                return $content;
            }

            if ($options['google_font_choice'] === 'custom') {
                $font_family = $options['google_font_url'];
                if (strpos($font_family, '&') !== false) {
                    preg_match('~=(.*?)&~', $font_family, $font_family);
                    $font_family = str_replace("+", " ", $font_family[1]);
                    if (strpos($font_family, ':') !== false) {
                        $font_family = strstr($font_family, ':', true);
                    }
                } else {
                    $font_family = substr($font_family, strpos($font_family, "=") + 1);
                    if (strpos($font_family, ':') !== false) {
                        $font_family = strstr($font_family, ':', true);
                    }
                    if (strpos($font_family, "+") !== false) {
                        $font_family = str_replace("+", " ", $font_family);
                    }
                }
            } else {
                $font_family = $options['google_font'];
            }

            // Render the marquee
            if ($options['show_label'] == 'true') {
                $content .= '<div class="pjnt-border" style="font-family: ' . esc_attr($font_family) . ', sans-serif; background-color: ' . esc_attr($options['label_bg_colour']) . '; border-color: ' . esc_attr($options['label_bg_colour']) . ';">';
                $content .= '<div class="pjnt-label" style="color: ' . esc_attr($options['label_text_colour']) . '; font-size: ' . esc_attr($options['size']) . ';">' . esc_html($options['label_text']) . '</div>';
            }
            $content .= '<div class="pjnt-box" style="background-color: ' . esc_attr($options['ticker_bg_colour']) . ';">';
            $content .= '<div class="pjnt-content" data-gap="' . esc_attr($options['gap']) . '" data-speed="' . esc_attr($options['speed']) . '" style="font-size: ' . esc_attr($options['size']) . ';">';
            if (count($posts) == 0) {
                $content .= '<span class="pjnt-item">';
                $content .= esc_html($options['no_content_text']);
                $content .= '</span>';
            } else {
                if ($options['override_posts'] == 'false') {
                    $isFirst = true;
                    foreach ($posts as $post) {
                        if ($options['custom_separator_condition'] == 'false') {
                            if ($options['custom_separator'] !== '') {
                                $content .= '<span class="pjnt-separator">' . esc_html($options['custom_separator']) . '</span>';
                            }
                        } else {
                            if ($options['custom_separator_image'] !== '') {
                                $content .= '<span class="pjnt-separator"><img src="' . esc_url($options['custom_separator_image']) . '" style="max-width:' . esc_attr($options['custom_separator_width']) . '; "></span>';
                            }
                        }
                        $content .= '<span class="pjnt-item">';
                        if ($options['override_posts_custom_colour'] == 'false') {
                            $content .= '<a target="' . esc_attr($options['target']) . '" href="' . get_permalink($post) . '">' . get_the_title($post);
                        } else {
                            $content .= '<a target="' . esc_attr($options['target']) . '" style="color: ' . esc_attr($options['override_posts_custom_text_colour']) . ';" href="' . get_permalink($post) . '">' . get_the_title($post);
                        }
                        if ($options['show_excerpt'] == 'true') {
                            setup_postdata($post);
                            $content .= ' - ' . get_the_excerpt($post);
                        }
                        $content .= '</a>';
                        $content .= '</span>';
                    }
                } else {
                    if ($options['override_posts_custom_text_url'] !== '' && $options['override_posts_custom_text_url'] !== 'Invalid URL') {
                        if ($options['custom_separator_condition'] == 'false') {
                            if ($options['custom_separator'] !== '') {
                                $content .= '<span class="pjnt-separator">' . esc_html($options['custom_separator']) . '</span>';
                            }
                        } else {
                            if ($options['custom_separator_image'] !== '') {
                                $content .= '<span class="pjnt-separator"><img src="' . esc_url($options['custom_separator_image']) . '" style="max-width:' . esc_attr($options['custom_separator_width']) . '; "></span>';
                            }
                        }
                        $content .= '<span class="pjnt-item">';
                        if ($options['override_posts_custom_colour'] == 'false') {
                            $content .= '<a target="' . esc_attr($options['target']) . '" href="' . esc_url($options['override_posts_custom_text_url']) . '">' . esc_html($options['override_posts_custom_text']);
                        } else {
                            $content .= '<a target="' . esc_attr($options['target']) . '" style="color: ' . esc_attr($options['override_posts_custom_text_colour']) . ';" href="' . esc_url($options['override_posts_custom_text_url']) . '">' . esc_html($options['override_posts_custom_text']);
                        }
                        $content .= '</a>';
                        $content .= '</span>';
                    } else {
                        if ($options['override_posts_custom_colour'] == 'false') {
                            if ($options['custom_separator_condition'] == 'false') {
                                if ($options['custom_separator'] !== '') {
                                    $content .= '<span class="pjnt-separator">' . esc_html($options['custom_separator']) . '</span>';
                                }
                            } else {
                                if ($options['custom_separator_image'] !== '') {
                                    $content .= '<span class="pjnt-separator"><img src="' . esc_url($options['custom_separator_image']) . '" style="max-width:' . esc_attr($options['custom_separator_width']) . '; "></span>';
                                }
                            }
                            $content .= '<span class="pjnt-item">';
                        } else {
                            if ($options['custom_separator_condition'] == 'false') {
                                if ($options['custom_separator'] !== '') {
                                    $content .= '<span class="pjnt-separator">' . esc_html($options['custom_separator']) . '</span>';
                                }
                            } else {
                                if ($options['custom_separator_image'] !== '') {
                                    $content .= '<span class="pjnt-separator"><img src="' . esc_url($options['custom_separator_image']) . '" style="max-width:' . esc_attr($options['custom_separator_width']) . '; "></span>';
                                }
                            }
                            $content .= '<span class="pjnt-item" style="color: ' . esc_attr($options['override_posts_custom_text_colour']) . ';">';
                        }
                        $content .= esc_html($options['override_posts_custom_text']);
                        $content .= '</span>';
                    }
                }
            }
            $content .= '</div>'; // end content
            $content .= '</div>'; // end marquee box
            if ($options['show_label'] == 'true') {
                $content .= '</div>'; // end border container
            }
            return $content;
        }
    }

    new PjNewsTicker();
}