<?php
namespace WPC\Widgets;

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

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


class FeatureArticle extends Widget_Base
{

    public function get_name()
    {
        return 'feature-article';
    }

    public function get_title()
    {
        return 'Feature Article';
    }

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

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

    protected function _register_controls()
    {

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

        $this->add_control(
			'feature_article',
			[
				'label' => __( 'Feature article', 'plugin-name' ),
				'type' => \Elementor\Controls_Manager::SELECT,
				'options' => [
					'manual' => __( 'Manual', 'plugin-name' ),
					'auto' => __( 'Auto', 'plugin-name' ),
				],
				'default' => 'manual',
			]
        );
        
        $this->add_control(
			'post_select',
			[
				'label' => __( 'Post select', 'plugin-name' ),
				'type' => \Elementor\Controls_Manager::SELECT,
                'options' => $this->getPublishedPosts(),
                'placeholder' => 'Select post',
                'condition' => [
                    'feature_article' => 'manual'
                ]
			]
        );

        $this->add_control(
			'swap_day',
			[
				'label' => __( 'Swap day', 'plugin-name' ),
				'type' => \Elementor\Controls_Manager::SELECT,
				'options' => [
					'0' => 'Sunday',
					'1' => 'Monday',
					'2' => 'Tuesday',
					'3' => 'Wednesday',
					'4' => 'Thursday',
					'5' => 'Friday',
					'6' => 'Saturday'
                ],
                'default' => '1',
                'condition' => [
                    'feature_article' => 'auto'
                ]
			]
        );

        $this->end_controls_section();

        $this->start_controls_section(
            'style_section',
            [
                'label' => __( 'Style', 'plugin-name' ),
                'tab' => \Elementor\Controls_Manager::TAB_STYLE,
            ]
        );

        $this->add_control(
			'title_color',
			[
				'label' => __( 'Title Color', 'plugin-domain' ),
				'type' => \Elementor\Controls_Manager::COLOR,
				'scheme' => [
					'type' => \Elementor\Scheme_Color::get_type(),
					'value' => \Elementor\Scheme_Color::COLOR_1,
				],
				'selectors' => [
					'{{WRAPPER}} .title' => 'color: {{VALUE}}',
                ],
                'default' => '#FFFFFF'
			]
        );
        
        $this->add_control(
			'divider_color',
			[
				'label' => __( 'Divider Color', 'plugin-domain' ),
				'type' => \Elementor\Controls_Manager::COLOR,
				'scheme' => [
					'type' => \Elementor\Scheme_Color::get_type(),
					'value' => \Elementor\Scheme_Color::COLOR_1,
				],
				'selectors' => [
					'{{WRAPPER}} .divider' => 'border-top: 2px solid {{VALUE}}',
                ],
                'default' => '#FFFFFF'
			]
        );
        
        $this->add_control(
			'article_meta_color',
			[
				'label' => __( 'Meta Color', 'plugin-domain' ),
				'type' => \Elementor\Controls_Manager::COLOR,
				'scheme' => [
					'type' => \Elementor\Scheme_Color::get_type(),
					'value' => \Elementor\Scheme_Color::COLOR_1,
				],
				'selectors' => [
					'{{WRAPPER}} .article-meta' => 'color: {{VALUE}}',
                ],
                'default' => '#FFFFFF'
			]
        );
        
        $this->add_control(
			'read_more_color',
			[
				'label' => __( 'Read More Color', 'plugin-domain' ),
				'type' => \Elementor\Controls_Manager::COLOR,
				'scheme' => [
					'type' => \Elementor\Scheme_Color::get_type(),
					'value' => \Elementor\Scheme_Color::COLOR_1,
				],
				'selectors' => [
					'{{WRAPPER}} .read-more' => 'color: {{VALUE}}; border: 1px solid {{VALUE}};',
                ],
                'default' => '#FFFFFF'
			]
        );

        $this->end_controls_section();
    }

    protected function render()
    {
        global $wpdb;

        $settings = $this->get_settings_for_display();

        $post_id = null;

        if ($settings['feature_article'] === 'auto') {
            $article_setting = $wpdb->get_results( 
                '
                    SELECT * 
                    FROM wp_feature_article
                    LIMIT 1
                '
            )[0];

            if (empty($article_setting)) {
                $wpdb->insert(
                    'wp_feature_article',
                    [
                        'post_id' => $this->getRandomPostID(),
                        'swap_day' => $settings['swap_day'],
                        'last_swap' => date('Y-m-d H:i:s')
                    ]
                );
            } else {
                if ($settings['swap_day'] === $article_setting->swap_day 
                && date('Y-m-d') > date('Y-m-d', strtotime($article_setting->last_swap)) 
                && date('w') === $article_setting->swap_day) {
                    $wpdb->update(
                        'wp_feature_article',
                        [
                            'post_id' => $this->getRandomPostID(),
                            'swap_day' => $settings['swap_day'],
                            'last_swap' => date('Y-m-d H:i:s')
                        ],
                        [
                            'swap_day' => $settings['swap_day']
                        ]
                    );
                }
                
                if ($settings['swap_day'] !== $article_setting->swap_day) {
                    $wpdb->update(
                        'wp_feature_article',
                        [
                            'post_id' => $this->getRandomPostID(),
                            'swap_day' => $settings['swap_day'],
                            'last_swap' => date('Y-m-d H:i:s')
                        ],
                        [
                            'swap_day' => $article_setting->swap_day,
                        ]
                    );
                }

            }

            $article_setting = $wpdb->get_results( 
                '
                    SELECT * 
                    FROM wp_feature_article
                    LIMIT 1
                '
            )[0];

            $post_id = $article_setting->post_id;

        } else {
            $post_id = $settings['post_select'];
        }

        $query = new WP_Query(['p' => $post_id]);
        $post = $query->posts[0];

        $html = 

        '<div class="feature-article-block text-center" style="background-image: linear-gradient(rgba(0, 0, 0, 0.5), rgba(0, 0, 0, 0.5)), url(' . get_the_post_thumbnail_url($post->ID) . ');">
            <div class="content-wrapper">';

        // Get categories
        $categories = get_the_category($post->ID);
        $categories_template_arr = [];

        if (!empty($categories)) {
            $html .= '<div class="category-wrapper d-none d-md-block text-uppercase">';

            foreach ($categories as $category) {
                $category = '<a href="' . esc_url( get_category_link( $category->term_id ) ) . '">' . esc_html( $category->name ) . '</a>';
                array_push($categories_template_arr, $category);
            }

            $html .= join(' / ', $categories_template_arr);
            $html .= '</div>';
        }

        // 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);

        $html .= 
                '<div class="divider"></div>
                <a href="' . get_permalink($post->ID) . '"><h2 class="title text-truncate-2-line" title="' . $post->post_title . '">' . $post->post_title . '</h2></a>
                <div class="divider"></div>
                <p class="article-meta text-uppercase text-truncate" title="' . $authors . '">' . get_the_date( 'F j, Y', $post->ID ) . ' by ' . $authors . '</p>
                <a class="read-more text-uppercase" href="' . get_permalink($post->ID) . '">Read more</a>
            </div>
        </div>';

        echo $html;
    }

    protected function getPublishedPosts() {
        $result = [];

        $args = [
            'post_type' => 'post',
            'post_status' => 'publish',
            'posts_per_page' => 1000,
            'ignore_sticky_posts' => 1,
            'orderby' => 'post_date',
            'order' => 'DESC',
        ];

        $post_query = new WP_Query( $args );

        $posts = $post_query->posts;

        foreach ($posts as $post) {
            $result += [$post->ID => $post->post_title];
        }

        return $result;
    }

    protected function getRandomPostID() {
        $args = array(
            'post_type' => 'post',
            'post_status' => 'publish',
            'posts_per_page' => 1,
            'orderby' => 'rand'
        );
        
        $query = new WP_Query ( $args );
        $random_post = $query->posts[0];

        return $random_post->ID;
    }
}