<?php

namespace WPC\Widgets;

use Elementor\Widget_Base;
use Elementor\Controls_Manager;
use WP_Query;

if (!defined('ABSPATH')) exit; // Exit if accessed directly


class CustomPostGrid extends Widget_Base {

  public function get_name(){
    return 'custom-post-grid';
  }

  public function get_title(){
    return 'Custom Post Grid';
  }

  public function get_icon(){
    return 'fa fa-th';
  }

  public function get_categories(){
    return ['basic'];
  }

  protected function _register_controls(){

    $this->start_controls_section(
      'section_content',
      [
        'label' => 'Settings',
      ]
    );

    $this->end_controls_section();
  }
  

    protected function render(){
        $settings = $this->get_settings_for_display();

        $location = get_user_location();
        $current_country = $location['country_code'];

        // default settings
        $post_filter = 'recent';
        $posts_per_page = 6;
        $page = 1;

        if (!empty($_GET['post_filter'])) {
            $post_filter = $_GET['post_filter'];
        }

        if (!empty($_GET['page_no'])) {
            $page = $_GET['page_no'];
        }

        $args = [
            'posts_per_page' => $posts_per_page,
            'post_type' => 'post',
            'post_status' => array('publish'),
            'paged' => $page,
        ];

        if ($post_filter == 'recent') {
            $args = array_merge($args, [
                'ignore_sticky_posts' => 1,
                'orderby' => 'post_date',
                'order' => 'DESC',
            ]);
        } else if ($post_filter == 'newest') {
            $args = array_merge($args, [
                'ignore_sticky_posts' => 0,
                'orderby' => 'post_date',
                'order' => 'DESC',
            ]);
        } else if ($post_filter == 'trending') {
            $args = array_merge($args, [
                'ignore_sticky_posts' => 1,
                'orderby' => 'ID',
                'order' => 'DESC',
                'meta_query' => array(
                    array(
                        'key' => 'is_trending',
                        'value' => '1',
                        'compare' => '=='
                    )
                )
            ]);
        } else if ($post_filter == 'hottest_stories') {
            $args = array_merge($args, [
                'ignore_sticky_posts' => 1,
                'meta_key' => 'float_post_views_count',
                'orderby' => 'meta_value_num',
                'order' => 'DESC'
            ]);
        } else if ($post_filter == 'oldest') {
            $args = array_merge($args, [
                'ignore_sticky_posts' => 1,
                'order' => 'ASC'
            ]);
        }

        // Insert query by country
        if (isset($args['meta_query'])) {
            $metaQuery = $args['meta_query'];
            $metaQuery = array_merge($metaQuery, [
                'relation' => 'AND',
                array(
                    'relation' => 'OR',
                    array(
                        'key' => 'location',
                        'value' => $current_country,
                        'compare' => 'LIKE',
                    ),
                    array(
                        'key'=> 'location',
                        'compare' => 'NOT EXISTS'
                    ),
                    array(
                        'key'=> 'location',
                        'value'   => '',
                        'compare' => '='
                    )
                )
            ]);
            $args['meta_query'] = $metaQuery;
        } else {
            $args = array_merge($args, [
                'meta_query' => array(
                    'relation' => 'OR',
                    array(
                        'key' => 'location',
                        'value' => $current_country,
                        'compare' => 'LIKE',
                    ),
                    array(
                        'key'=> 'location',
                        'compare' => 'NOT EXISTS'
                    ),
                    array(
                        'key'=> 'location',
                        'value'   => '',
                        'compare' => '='
                    )
                )
            ]);
        }

        $count_query_args = $args;
        $count_query_args['posts_per_page'] = -1;
        $post_query = new WP_Query( $args );
        $count_query = new WP_Query($count_query_args);
        $posts = $post_query->posts;
        $count = $count_query->post_count;
        if ($count === 0 || $count < $posts_per_page) {
            $total_page = 0;
        } else {
            $total_page = intval($count) / intval($posts_per_page);
            $total_page = $total_page / intval($total_page) > 0 ? intval($total_page) + 1 : intval($total_page);
        }

        $filterMap = [
            'recent' => 'Recent',
            'trending' => 'Trending',
            'hottest_stories' => 'Hottest Stories',
            'newest' => 'Newest',
            'oldest' => 'Oldest'
        ];

        // Filter block
        $html = 
        '<div class="filter-wrapper">
            <h2>' . $filterMap[$post_filter] . '</h2>
            <div class="dropdown">
                <button onclick="customDropdown()" class="dropbtn"><i id="icon" class="filter-icon fas fa-sliders-h"></i></button>
                <div id="myDropdown" class="dropdown-content">
                    <a href="/?post_filter=recent">Recent</a>
                    <a href="/?post_filter=trending">Trending</a>
                    <a href="/?post_filter=hottest_stories">Hottest Stories</a>
                    <a href="/?post_filter=newest">Newest</a>
                    <a href="/?post_filter=oldest">Oldest</a>
                </div>
            </div>
        </div>';
        // End filter block
        
        // Post grid block
        $html .= '<div class="custom-post-grid-block">';

        foreach ($posts as $post) {
            // Get co-authors
            $authors = [];

            $co_authors = get_coauthors($post->ID);
            
            foreach($co_authors as $co_author) {
                if(get_class($co_author) !== 'WP_User') {
                    array_push($authors, $co_author->display_name);
                    continue;
                }

                array_push($authors, $co_author->data->display_name);
            }

            if (empty($authors)) {
                $post_author = get_the_author_meta( 'display_name' , get_post_field('post_author') );
                array_push($authors, $post_author);
            }

            $authors = join(', ', $authors);

            $post_content = strip_tags( $post->post_content );
            $post_content = strip_shortcodes( $post_content );
            $post_content = str_replace( array("\n", "\r", "\t"), ' ', $post_content );
            $post_content = trim( $post_content );
            $post_content = mb_substr( $post_content, 0, 300, 'utf8' );

            $comment_count = '';

            if ($post->comment_count) {
                $comment_count = '<i class="icon-bubble" aria-hidden="true"></i>' . $post->comment_count;
            }

            $html .= 
            '<div class="post-wrapper">
                <div>
                    <a href="' . get_permalink($post->ID) . '">
                        <div class="thumbnail" style="background-image: url(' . get_the_post_thumbnail_url($post->ID) . ');"></div>
                    </a>
                </div>
                <div class="content-wrapper">
                    <h2 class="title">
                        <a class="text-truncate-2-line" href="' . get_permalink($post->ID) . '" title="'. $post->post_title .'">
                            ' . $post->post_title . '
                        </a>
                    </h2>
                    <div class="meta text-truncate-1-line" title="' . $authors . ' - ' . get_the_date( 'F j, Y', $post->ID ) . '">
                        ' . $authors . ' - ' . get_the_date( 'F j, Y', $post->ID ) . ' ' . $comment_count .'
                    </div>
                    <p class="post-content text-truncate-2-line">' . $post_content . '</p>
                    <a class="read-more" href="' . get_permalink($post->ID) .'">Read More ></a>
                </div>
            </div>';
        }
        
        $html .= '</div>';
        // End post grid block

        // Pagination block
        $html .= '<div class="custom-pagination">';
        $html .= '<ul>';

        for ($i = 1; $i <= $total_page; $i++) {
            $html .= '<a href="/?post_filter=' . $post_filter . '&page_no=' . $i . '" class="' . ($i === intval($page) ? 'is-active' : '') . '" data-page="'. $i . '"><li>' . $i . '</li></a>';
        }

        $html .= '</ul>';
        $html .= '</div>';
        // End pagination block

        echo $html;
    }
}