<?php
/**
 * @package SP Page Builder
 * @author JoomShaper http://www.joomshaper.com
 * @copyright Copyright (c) 2010 - 2022 JoomShaper
 * @license http://www.gnu.org/licenses/gpl-2.0.html GNU/GPLv2 or later
 */
//no direct accees
defined('_JEXEC') or die('resticted access');

use Joomla\CMS\Factory;
use Joomla\CMS\Router\Route;
use Joomla\CMS\Language\Text;
use Joomla\CMS\HTML\HTMLHelper;
use Joomla\CMS\Component\ComponentHelper;

class SppagebuilderAddonArticles extends SppagebuilderAddons
{

    public function render()
    {
        $page_view_name = isset($_GET['view']);
        $app = Factory::getApplication();
        if ($app->isClient('administrator')) {
            return ''; // prevent from loading in the admin view
        }

        $settings = $this->addon->settings;
        $class = (isset($settings->class) && $settings->class) ? $settings->class : '';
        $style = (isset($settings->style) && $settings->style) ? $settings->style : 'panel-default';
        $title = (isset($settings->title) && $settings->title) ? $settings->title : '';
        $heading_selector = (isset($settings->heading_selector) && $settings->heading_selector) ? $settings->heading_selector : 'h3';

        // Addon options
        $resource = (isset($settings->resource) && $settings->resource) ? $settings->resource : 'article';
        $catid = (isset($settings->catid) && $settings->catid) ? $settings->catid : 0;
        $tagids = (isset($settings->tagids) && $settings->tagids) ? $settings->tagids : array();
        $k2catid = (isset($settings->k2catid) && $settings->k2catid) ? $settings->k2catid : 0;
        $include_subcat = (isset($settings->include_subcat)) ? $settings->include_subcat : 1;
        $post_type = (isset($settings->post_type) && $settings->post_type) ? $settings->post_type : '';
        $ordering = (isset($settings->ordering) && $settings->ordering) ? $settings->ordering : 'latest';
        $limit = (isset($settings->limit) && $settings->limit) ? $settings->limit : 3;
        $columns = (isset($settings->columns) && $settings->columns) ? $settings->columns : 3;
        $show_intro = (isset($settings->show_intro)) ? $settings->show_intro : 1;
        $intro_limit = (isset($settings->intro_limit) && $settings->intro_limit) ? $settings->intro_limit : 200;
        $hide_thumbnail = (isset($settings->hide_thumbnail)) ? $settings->hide_thumbnail : 0;
        $show_author = (isset($settings->show_author)) ? $settings->show_author : 1;
        $show_category = (isset($settings->show_category)) ? $settings->show_category : 1;
        $show_date = (isset($settings->show_date)) ? $settings->show_date : 1;
        $show_date_text = (isset($settings->show_date_text)) ? $settings->show_date_text : '';
        $show_last_modified_date = (isset($settings->show_last_modified_date)) ? $settings->show_last_modified_date : 0;
        $show_last_modified_date_text = (isset($settings->show_last_modified_date_text)) ? $settings->show_last_modified_date_text : '';
        $article_modified_date = ComponentHelper::getParams('com_content')->get('show_modify_date');
        $article_created_date = ComponentHelper::getParams('com_content')->get('show_publish_date');
        $show_readmore = (isset($settings->show_readmore)) ? $settings->show_readmore : 1;
        $readmore_text = (isset($settings->readmore_text) && $settings->readmore_text) ? $settings->readmore_text : 'Read More';
        $link_articles = (isset($settings->link_articles)) ? $settings->link_articles : 0;
        $link_catid = (isset($settings->link_catid)) ? $settings->link_catid : 0;
        $link_k2catid = (isset($settings->link_k2catid)) ? $settings->link_k2catid : 0;

        $all_articles_btn_text = (isset($settings->all_articles_btn_text) && $settings->all_articles_btn_text) ? $settings->all_articles_btn_text : 'See all posts';
        $all_articles_btn_class = (isset($settings->all_articles_btn_size) && $settings->all_articles_btn_size) ? ' sppb-btn-' . $settings->all_articles_btn_size : '';
        $all_articles_btn_class .= (isset($settings->all_articles_btn_type) && $settings->all_articles_btn_type) ? ' sppb-btn-' . $settings->all_articles_btn_type : ' sppb-btn-default';
        $all_articles_btn_class .= (isset($settings->all_articles_btn_shape) && $settings->all_articles_btn_shape) ? ' sppb-btn-' . $settings->all_articles_btn_shape : ' sppb-btn-rounded';
        $all_articles_btn_class .= (isset($settings->all_articles_btn_appearance) && $settings->all_articles_btn_appearance) ? ' sppb-btn-' . $settings->all_articles_btn_appearance : '';
        $all_articles_btn_class .= (isset($settings->all_articles_btn_block) && $settings->all_articles_btn_block) ? ' ' . $settings->all_articles_btn_block : '';
        $all_articles_btn_icon = (isset($settings->all_articles_btn_icon) && $settings->all_articles_btn_icon) ? $settings->all_articles_btn_icon : '';
        $all_articles_btn_icon_position = (isset($settings->all_articles_btn_icon_position) && $settings->all_articles_btn_icon_position) ? $settings->all_articles_btn_icon_position : 'left';

        $output = '';
        //include k2 helper
        $k2helper = JPATH_ROOT . '/components/com_sppagebuilder/helpers/k2.php';
        $article_helper = JPATH_ROOT . '/components/com_sppagebuilder/helpers/articles.php';
        $isk2installed = self::isComponentInstalled('com_k2');

        if ($resource == 'k2') {
            if ($isk2installed == 0) {
                $output .= '<p class="alert alert-danger">' . Text::_('COM_SPPAGEBUILDER_ADDON_ARTICLE_ERORR_K2_NOTINSTALLED') . '</p>';
                return $output;
            } elseif (!file_exists($k2helper)) {
                $output .= '<p class="alert alert-danger">' . Text::_('COM_SPPAGEBUILDER_ADDON_K2_HELPER_FILE_MISSING') . '</p>';
                return $output;
            } else {
                require_once $k2helper;
            }
            $items = SppagebuilderHelperK2::getItems($limit, $ordering, $k2catid, $include_subcat);
        } else {
            require_once $article_helper;
            $items = SppagebuilderHelperArticles::getArticles($limit, $ordering, $catid, $include_subcat, $post_type, $tagids);
        }

        if (!count($items)) {
            $output .= '<p class="alert alert-warning">' . Text::_('COM_SPPAGEBUILDER_NO_ITEMS_FOUND') . '</p>';
            return $output;
        }

        if (count((array) $items)) {
            $output .= '<div class="sppb-addon sppb-addon-articles ' . $class . '">';

            if ($title) {
                $output .= '<' . $heading_selector . ' class="sppb-addon-title">' . $title . '</' . $heading_selector . '>';
            }

            $output .= '<div class="sppb-addon-content">';
            $output .= '<div class="sppb-row">';

            foreach ($items as $key => $item) {
                $output .= '<div class="sppb-col-sm-' . round(12 / $columns) . '">';
                $output .= '<div class="sppb-addon-article">';

                if (!$hide_thumbnail) {
                    $image = '';
                    if ($resource == 'k2') {
                        if (isset($item->image_medium) && $item->image_medium) {
                            $image = $item->image_medium;
                        } elseif (isset($item->image_large) && $item->image_large) {
                            $image = $item->image_medium;
                        }
                    } else {
                        $image = $item->image_thumbnail;
                    }

                    if ($resource != 'k2' && $item->post_format == 'gallery') {
                        if (count((array) $item->imagegallery->images)) {
                            $output .= '<div class="sppb-carousel sppb-slide" data-sppb-ride="sppb-carousel">';
                            $output .= '<div class="sppb-carousel-inner">';
                            foreach ($item->imagegallery->images as $key => $gallery_item) {
                                $active_class = '';
                                if ($key == 0) {
                                    $active_class = ' active';
                                }
                                if (isset($gallery_item['thumbnail']) && $gallery_item['thumbnail']) {
                                    $output .= '<div class="sppb-item' . $active_class . '">';
                                    $output .= '<img src="' . $gallery_item['thumbnail'] . '" alt="">';
                                    $output .= '</div>';
                                } elseif (isset($gallery_item['full']) && $gallery_item['full']) {
                                    $output .= '<div class="sppb-item' . $active_class . '">';
                                    $output .= '<img src="' . $gallery_item['full'] . '" alt="">';
                                    $output .= '</div>';
                                }
                            }
                            $output .= '</div>';

                            $output .= '<a class="left sppb-carousel-control" role="button" data-slide="prev" aria-label="' . Text::_('COM_SPPAGEBUILDER_ARIA_PREVIOUS') . '"><i class="fa fa-angle-left" aria-hidden="true"></i></a>';
                            $output .= '<a class="right sppb-carousel-control" role="button" data-slide="next" aria-label="' . Text::_('COM_SPPAGEBUILDER_ARIA_NEXT') . '"><i class="fa fa-angle-right" aria-hidden="true"></i></a>';

                            $output .= '</div>';

                        } elseif (isset($item->image_thumbnail) && $item->image_thumbnail) {
                            //Lazyload image
                            $placeholder = $item->image_thumbnail == '' ? false : $this->get_image_placeholder($item->image_thumbnail);

                            //Get image ALT text
                            $img_obj = json_decode($item->images);
                            $img_obj_helix = json_decode($item->attribs);

                            $img_blog_op_alt_text = (isset($img_obj->image_intro_alt) && $img_obj->image_intro_alt) ? $img_obj->image_intro_alt : "";
                            $img_helix_alt_text = (isset($img_obj_helix->helix_ultimate_image_alt_txt) && $img_obj_helix->helix_ultimate_image_alt_txt) ? $img_obj_helix->helix_ultimate_image_alt_txt : "";
                            $img_alt_text = "";

                            if ($img_helix_alt_text) {
                                $img_alt_text = $img_helix_alt_text;
                            } else if ($img_blog_op_alt_text) {
                                $img_alt_text = $img_blog_op_alt_text;
                            } else {
                                $img_alt_text = $item->title;
                            }

                            $output .= '<a href="' . $item->link . '" itemprop="url"><img class="sppb-img-responsive' . ($placeholder && $page_view_name != 'form' ? ' sppb-element-lazy' : '') . '" src="' . ($placeholder && $page_view_name != 'form' ? $placeholder : $item->image_thumbnail) . '" alt="' . $img_alt_text . '" itemprop="thumbnailUrl" ' . ($placeholder && $page_view_name != 'form' ? 'data-large="' . $image . '"' : '') . '  loading="lazy"></a>';
                        }
                    } elseif ($resource != 'k2' && $item->post_format == 'video' && isset($item->video_src) && $item->video_src) {
                        $output .= '<div class="entry-video embed-responsive embed-responsive-16by9">';
                        $output .= '<object class="embed-responsive-item" style="width:100%;height:100%;" data="' . $item->video_src . '">';
                        $output .= '<param name="movie" value="' . $item->video_src . '">';
                        $output .= '<param name="wmode" value="transparent" />';
                        $output .= '<param name="allowFullScreen" value="true">';
                        $output .= '<param name="allowScriptAccess" value="always"></param>';
                        $output .= '<embed src="' . $item->video_src . '" type="application/x-shockwave-flash" allowscriptaccess="always"></embed>';
                        $output .= '</object>';
                        $output .= '</div>';
                    } elseif ($resource != 'k2' && $item->post_format == 'audio' && isset($item->audio_embed) && $item->audio_embed) {
                        $output .= '<div class="entry-audio embed-responsive embed-responsive-16by9">';
                        $output .= $item->audio_embed;
                        $output .= '</div>';
                    } elseif ($resource != 'k2' && $item->post_format == 'link' && isset($item->link_url) && $item->link_url) {
                        $output .= '<div class="entry-link">';
                        $output .= '<a target="_blank" rel="noopener noreferrer" href="' . $item->link_url . '"><h4>' . $item->link_title . '</h4></a>';
                        $output .= '</div>';
                    } else {
                        if (isset($image) && $image) {
                            //Lazyload image
                            $default_placeholder = $image == '' ? false : $this->get_image_placeholder($image);

                            //Get image ALT text
                            $img_obj = json_decode($item->images);
                            $img_obj_helix = json_decode($item->attribs);

                            $img_blog_op_alt_text = (isset($img_obj->image_intro_alt) && $img_obj->image_intro_alt) ? $img_obj->image_intro_alt : "";
                            $img_helix_alt_text = (isset($img_obj_helix->helix_ultimate_image_alt_txt) && $img_obj_helix->helix_ultimate_image_alt_txt) ? $img_obj_helix->helix_ultimate_image_alt_txt : "";
                            $img_alt_text = "";

                            if ($img_helix_alt_text) {
                                $img_alt_text = $img_helix_alt_text;
                            } else if ($img_blog_op_alt_text) {
                                $img_alt_text = $img_blog_op_alt_text;
                            } else {
                                $img_alt_text = $item->title;
                            }

                            $output .= '<a class="sppb-article-img-wrap" href="' . $item->link . '" itemprop="url"><img class="sppb-img-responsive' . ($default_placeholder && $page_view_name != 'form' ? ' sppb-element-lazy' : '') . '" src="' . ($default_placeholder && $page_view_name != 'form' ? $default_placeholder : $image) . '" alt="' . $img_alt_text . '" itemprop="thumbnailUrl" ' . ($default_placeholder && $page_view_name != 'form' ? 'data-large="' . $image . '"' : '') . ' loading="lazy"></a>';
                        }
                    }
                }

                $output .= '<div class="sppb-article-info-wrap">';
                $output .= '<h3><a href="' . $item->link . '" itemprop="url">' . $item->title . '</a></h3>';

                if ($show_author || $show_category || $show_date || $show_last_modified_date) {
                    $output .= '<div class="sppb-article-meta">';

                    if ($show_date) {
                        $date = ($article_created_date) ? HTMLHelper::_('date', $item->publish_up, 'DATE_FORMAT_LC3') : '<p class="alert alert-warning">' . Text::_('COM_SPPAGEBUILDER_ADDON_ARTICLES_SHOW_LAST_CREATED_DATE_WARNING_MESSAGE') . '</p>';

                        $date_text = ($show_date_text) ? '<b>' . Text::_($show_date_text) . ': </b>' : '';

                        $output .= '<span class="sppb-meta-date" itemprop="datePublished">' . $date_text . $date . '</span>';
                    }

                    if ($show_last_modified_date) {
                        $modify_date = ($article_modified_date) ? HTMLHelper::_('date', $item->modified, 'DATE_FORMAT_LC3') : '<p class="alert alert-warning">' . Text::_('COM_SPPAGEBUILDER_ADDON_ARTICLES_SHOW_LAST_MODIFIED_DATE_WARNING_MESSAGE') . '</p>';

                        $modify_text = ($show_last_modified_date_text) ? '<b>' . Text::_($show_last_modified_date_text) . ': </b>' : '';

                        $output .= '<span class="sppb-meta-date" itemprop="datePublished">' . $modify_text . $modify_date . '</span>';
                    }

                    if ($show_category) {
                        if ($resource == 'k2') {
                            $item->catUrl = urldecode(Route::_(K2HelperRoute::getCategoryRoute($item->catid . ':' . urlencode($item->category_alias))));
                        } else {
                            $item->catUrl = Route::_(ContentHelperRoute::getCategoryRoute($item->catslug));
                        }
                        $output .= '<span class="sppb-meta-category"><a href="' . $item->catUrl . '" itemprop="genre">' . $item->category . '</a></span>';
                    }

                    if ($show_author) {
                        $author = ($item->created_by_alias ? $item->created_by_alias : $item->username);
                        $output .= '<span class="sppb-meta-author" itemprop="name">' . $author . '</span>';
                    }

                    $output .= '</div>';
                }

                if ($show_intro) {
                    $output .= '<div class="sppb-article-introtext">' . mb_substr(strip_tags($item->introtext), 0, $intro_limit, 'UTF-8') . '...</div>';
                }

                if ($show_readmore) {
                    $output .= '<a class="sppb-readmore" href="' . $item->link . '" itemprop="url">' . $readmore_text . '</a>';
                }
                $output .= '</div>'; //.sppb-article-info-wrap

                $output .= '</div>';
                $output .= '</div>';
            }

            $output .= '</div>';

            // See all link
            if ($link_articles) {

                $icon_arr = array_filter(explode(' ', $all_articles_btn_icon));
                if (count($icon_arr) === 1) {
                    $all_articles_btn_icon = 'fa ' . $all_articles_btn_icon;
                }

                if ($all_articles_btn_icon_position == 'left') {
                    $all_articles_btn_text = ($all_articles_btn_icon) ? '<i class="' . $all_articles_btn_icon . '" aria-hidden="true"></i> ' . $all_articles_btn_text : $all_articles_btn_text;
                } else {
                    $all_articles_btn_text = ($all_articles_btn_icon) ? $all_articles_btn_text . ' <i class="' . $all_articles_btn_icon . '" aria-hidden="true"></i>' : $all_articles_btn_text;
                }

                if ($resource == 'k2') {
                    if (!empty($link_k2catid)) {
                        $output .= '<a href="' . urldecode(JRoute::_(K2HelperRoute::getCategoryRoute($link_k2catid))) . '" " id="btn-' . $this->addon->id . '" class="sppb-btn' . $all_articles_btn_class . '">' . $all_articles_btn_text . '</a>';
                    }
                } else {
                    if (!empty($link_catid)) {
                        $output .= '<a href="' . JRoute::_(ContentHelperRoute::getCategoryRoute($link_catid)) . '" id="btn-' . $this->addon->id . '" class="sppb-btn' . $all_articles_btn_class . '">' . $all_articles_btn_text . '</a>';
                    }
                }

            }

            $output .= '</div>';
            $output .= '</div>';
        }

        return $output;
    }

    public function css()
    {
        $addon_id = '#sppb-addon-' . $this->addon->id;
        $layout_path = JPATH_ROOT . '/components/com_sppagebuilder/layouts';
        $css_path = new JLayoutFile('addon.css.button', $layout_path);

        $options = new stdClass;
        $options->button_type = (isset($this->addon->settings->all_articles_btn_type) && $this->addon->settings->all_articles_btn_type) ? $this->addon->settings->all_articles_btn_type : '';
        $options->button_appearance = (isset($this->addon->settings->all_articles_btn_appearance) && $this->addon->settings->all_articles_btn_appearance) ? $this->addon->settings->all_articles_btn_appearance : '';
        $options->button_color = (isset($this->addon->settings->all_articles_btn_color) && $this->addon->settings->all_articles_btn_color) ? $this->addon->settings->all_articles_btn_color : '';
        $options->button_color_hover = (isset($this->addon->settings->all_articles_btn_color_hover) && $this->addon->settings->all_articles_btn_color_hover) ? $this->addon->settings->all_articles_btn_color_hover : '';
        $options->button_background_color = (isset($this->addon->settings->all_articles_btn_background_color) && $this->addon->settings->all_articles_btn_background_color) ? $this->addon->settings->all_articles_btn_background_color : '';
        $options->button_background_color_hover = (isset($this->addon->settings->all_articles_btn_background_color_hover) && $this->addon->settings->all_articles_btn_background_color_hover) ? $this->addon->settings->all_articles_btn_background_color_hover : '';
        $options->button_fontstyle = (isset($this->addon->settings->all_articles_btn_font_style) && $this->addon->settings->all_articles_btn_font_style) ? $this->addon->settings->all_articles_btn_font_style : '';
        $options->button_font_style = (isset($this->addon->settings->all_articles_btn_font_style) && $this->addon->settings->all_articles_btn_font_style) ? $this->addon->settings->all_articles_btn_font_style : '';
        $options->button_letterspace = (isset($this->addon->settings->all_articles_btn_letterspace) && $this->addon->settings->all_articles_btn_letterspace) ? $this->addon->settings->all_articles_btn_letterspace : '';

        return $css_path->render(array('addon_id' => $addon_id, 'options' => $options, 'id' => 'btn-' . $this->addon->id));
    }

    public static function isComponentInstalled($component_name)
    {
        $db = Factory::getDbo();
        $query = $db->getQuery(true);
        $query->select('a.enabled');
        $query->from($db->quoteName('#__extensions', 'a'));
        $query->where($db->quoteName('a.name') . " = " . $db->quote($component_name));
        $db->setQuery($query);
        $is_enabled = $db->loadResult();
        return $is_enabled;
    }

}
