<?php
/**
 * Category Latest Posts Widget
 */

add_action( 'widgets_init', 'foodicious_latest_news_load_widget' );

function foodicious_latest_news_load_widget() {
    register_widget( 'foodicious_latest_news_widget' );
}

class foodicious_latest_news_widget extends WP_Widget {

    /**
     * Widget setup.
     */
    public function __construct() {
        /* Widget settings. */
        $widget_ops = array( 'classname' => 'foodicious_latest_news_widget', 'description' => __('A post widget that can display your latest posts, posts from a category, or hand-picked posts by ID.', 'foodicious') );

        /* Widget control settings. */
        $control_ops = array( 'width' => 250, 'height' => 350, 'id_base' => 'foodicious_latest_news_widget' );

        /* Create the widget. */
        parent::__construct( 'foodicious_latest_news_widget', __('Foodicious: Post Widget', 'foodicious'), $widget_ops, $control_ops );
    }

    /**
     * How to display the widget on the screen.
     */
    function widget( $args, $instance ) {
        extract( $args );

        /* Our variables from the widget settings. */
        $title = apply_filters('widget_title', empty($instance['title']) ? '' : $instance['title'], $instance, $this->id_base);
        $layout = !empty($instance['layout']) ? $instance['layout'] : '';
        $categories = !empty($instance['categories']) ? $instance['categories'] : '';
        $number = !empty($instance['number']) ? $instance['number'] : '';
        $counter = !empty($instance['counter']) ? $instance['counter'] : '';
        $date = !empty($instance['date']) ? $instance['date'] : '';
        $postids = !empty($instance['postids']) ? $instance['postids'] : '';

        if($postids) {
            $postids = explode(',', $postids);
            $args_posts = array( 'showposts' => $number, 'post_type' => array('post', 'page'), 'post__in' => $postids, 'orderby' => 'post__in', 'ignore_sticky_posts' => 1 );
        } else {
            $args_posts = array( 'showposts' => $number, 'nopaging' => 0, 'post_status' => 'publish', 'ignore_sticky_posts' => 1, 'cat' => $categories );
        }

        $loop = new WP_Query($args_posts);
        if ($loop->have_posts()) :

            $number_count = 0;

            /* Before widget (defined by themes). */
            echo wp_kses_post( $args['before_widget'] );

            /* Display the widget title if one was input (before and after defined by themes). */
            if ( $title ) {
                echo wp_kses_post( $args['before_title'] . $title . $args['after_title'] );
            }

            ?>

            <?php  while ($loop->have_posts()) : $loop->the_post(); ?>
            <?php $number_count++; ?>


            <?php if($layout == 'text_layout') : ?>

                <div class="side-pop list text-layout <?php if(!$counter) : ?>no-count<?php endif; ?>">

                    <?php if($counter) : ?>
                        <div class="side-pop-img">
                            <span class="side-count"><?php echo esc_html($number_count); ?></span>
                        </div>
                    <?php endif; ?>

                    <div class="side-pop-content <?php if(!$counter) : ?>no-counter<?php endif; ?>">
                        <h4><a href="<?php the_permalink() ?>"><?php the_title(); ?></a></h4>
                        <?php if(!$date) : ?><span class="sp-date"><?php the_time( get_option('date_format') ); ?></span><?php endif; ?>
                    </div>

                </div>

            <?php else : ?>
                <div class="side-pop <?php if($layout == 'small_thumb') : ?>list<?php endif; ?>">

                    <div class="side-pop-img">
                        <?php if(has_post_thumbnail()) : ?>

                                <a href="<?php the_permalink() ?>"><?php the_post_thumbnail('foodicious-widget-small-thumb'); ?></a>

                        <?php else : ?>

                            <a href="<?php the_permalink() ?>">
                                <img src="<?php echo esc_url(get_template_directory_uri() . '/images/slider-default.png'); ?>" alt="<?php esc_attr_e('Default', 'foodicious'); ?>" /></a>

                        <?php endif; ?>
                        <?php if($counter) : ?><span class="side-count"><?php echo esc_html($number_count); ?></span><?php endif; ?>
                    </div>

                    <div class="side-pop-content">
                        <h4><a href="<?php the_permalink() ?>"><?php the_title(); ?></a></h4>
                        <?php if(!$date) : ?><span class="sp-date"><?php the_time( get_option('date_format') ); ?></span><?php endif; ?>
                    </div>

                </div>
            <?php endif; ?>

        <?php endwhile; ?>
            <?php wp_reset_postdata(); ?>
            <?php /* After widget */ echo wp_kses_post( $args['after_widget'] ); ?>
        <?php endif; ?>

        <?php

    }

    /**
     * Update the widget settings.
     */
    function update( $new_instance, $old_instance ) {
        $instance = $old_instance;

        /* Strip tags for title and name to remove HTML (important for text inputs). */
        $instance['title'] = sanitize_text_field( $new_instance['title'] );
        $instance['layout'] = sanitize_text_field( $new_instance['layout'] );
        $instance['categories'] = sanitize_text_field( $new_instance['categories'] );
        $instance['number'] = absint( $new_instance['number'] );
        $instance['date'] = strip_tags( $new_instance['date'] );
        $instance['counter'] = strip_tags( $new_instance['counter'] );
        $instance['postids'] = sanitize_text_field( $new_instance['postids'] );

        return $instance;
    }

    function form( $instance ) {

        /* Set up some default widget settings. */
        $defaults = array( 'title' => __('Latest Posts', 'foodicious'), 'number' => 3, 'categories' => '', 'layout' => '', 'date' => false, 'counter' => false, 'postids' => '');
        $instance = wp_parse_args( (array) $instance, $defaults ); ?>

        <!-- Widget Title: Text Input -->
        <p>
            <label for="<?php echo esc_attr($this->get_field_id( 'title' )); ?>"><?php esc_html_e('Title:', 'foodicious'); ?></label>
            <input  type="text" class="widefat" id="<?php echo esc_attr($this->get_field_id( 'title' )); ?>" name="<?php echo esc_attr($this->get_field_name( 'title' )); ?>" value="<?php echo esc_attr($instance['title']); ?>"  />
        </p>

        <!-- Layout -->
        <p>
            <label for="<?php echo esc_attr($this->get_field_id('layout')); ?>"><?php esc_html_e( 'Choose Layout', 'foodicious' ); ?>:</label>
            <select id="<?php echo esc_attr($this->get_field_id('layout')); ?>" name="<?php echo esc_attr($this->get_field_name('layout')); ?>" class="widefat categories" style="width:100%;">
                <option value='small_thumb' <?php if ('small_thumb' == $instance['layout']) echo 'selected="selected"'; ?>><?php esc_html_e( 'Small Thumbnail', 'foodicious' ); ?></option>
                <option value='text_layout' <?php if ('text_layout' == $instance['layout']) echo 'selected="selected"'; ?>><?php esc_html_e( 'Text Only List', 'foodicious' ); ?></option>
            </select>
        </p>

        <!-- Category -->
        <p>
            <label for="<?php echo esc_attr($this->get_field_id('categories')); ?>"><?php esc_html_e( 'Filter by Category', 'foodicious' ); ?>:</label>
            <select id="<?php echo esc_attr($this->get_field_id('categories')); ?>" name="<?php echo esc_attr($this->get_field_name('categories')); ?>" class="widefat categories" style="width:100%;">
                <option value='all' <?php if ('all' == $instance['categories']) echo 'selected="selected"'; ?>><?php esc_html_e('All categories', 'foodicious'); ?></option>
                <?php $categories = get_categories('hide_empty=0&depth=1&type=post'); ?>
                <?php foreach($categories as $category) { ?>
                    <option value='<?php echo esc_attr($category->term_id); ?>' <?php if ($category->term_id == $instance['categories']) echo 'selected="selected"'; ?>><?php echo esc_html($category->cat_name); ?></option>
                <?php } ?>
            </select>
        </p>

        <!-- Post IDs -->
        <p>
            <label for="<?php echo esc_attr($this->get_field_id( 'postids' )); ?>"><?php esc_html_e('Post IDs (separate with comma):', 'foodicious'); ?></label>
            <input  type="text" class="widefat" id="<?php echo esc_attr($this->get_field_id( 'postids' )); ?>" name="<?php echo esc_attr($this->get_field_name( 'postids' )); ?>" value="<?php echo esc_attr($instance['postids']); ?>" size="3" />
            <small><?php esc_html_e( 'Display specific posts using post IDs. This option will override the category option above.', 'foodicious' ); ?></small>
        </p>

        <!-- Number of posts -->
        <p>
            <label for="<?php echo esc_attr($this->get_field_id( 'number' )); ?>"><?php esc_html_e('Number of posts to show:', 'foodicious'); ?></label>
            <input  type="text" class="widefat" id="<?php echo esc_attr($this->get_field_id( 'number' )); ?>" name="<?php echo esc_attr($this->get_field_name( 'number' )); ?>" value="<?php echo esc_attr($instance['number']); ?>" size="3" />
        </p>

        <!-- Numbering -->
        <p>
            <label for="<?php echo esc_attr($this->get_field_id( 'counter' )); ?>"><?php esc_html_e( 'Add Numbering', 'foodicious' ); ?>:</label>
            <input type="checkbox" id="<?php echo esc_attr($this->get_field_id( 'counter' )); ?>" name="<?php echo esc_attr($this->get_field_name( 'counter' )); ?>" <?php checked( (bool) $instance['counter'], true ); ?> />
        </p>

        <!-- Date -->
        <p>
            <label for="<?php echo esc_attr($this->get_field_id( 'date' )); ?>"><?php esc_html_e( 'Hide Date', 'foodicious' ); ?>:</label>
            <input type="checkbox" id="<?php echo esc_attr($this->get_field_id( 'date' )); ?>" name="<?php echo esc_attr($this->get_field_name( 'date' )); ?>" <?php checked( (bool) $instance['date'], true ); ?> />
        </p>

        <?php
    }
}

?>