<?php

if (!defined('ABSPATH')) {
die('No direct access.');
}

/**
 * Adds MetaSlider widget.
 */
class MetaSlider_Widget extends WP_Widget
{
    /**
     * Register widget with WordPress.
     */
    public function __construct()
    {
        parent::__construct(
            'metaslider_widget', // Base ID
            'MetaSlider', // Name
            array( 'description' => 'MetaSlider' ) // Args
        );
    }

    /**
     * Front-end display of widget.
     *
     * @see WP_Widget::widget()
     *
     * @param array $args     Widget arguments.
     * @param array $instance Saved values from database.
     */
    public function widget($args, $instance)
    {
        if (isset($instance['slider_id'])) {
            $slider_id = $instance['slider_id'];

            $title = apply_filters('widget_title', $instance['title']);

            echo $args['before_widget']; // phpcs:ignore WordPress.Security.EscapeOutput.OutputNotEscaped
            if (! empty($title)) {
                echo $args['before_title'] . $title . $args['after_title']; // phpcs:ignore WordPress.Security.EscapeOutput.OutputNotEscaped
            }

            echo do_shortcode("[metaslider id={$slider_id}]");
            echo $args['after_widget']; // phpcs:ignore WordPress.Security.EscapeOutput.OutputNotEscaped
        }
    }

    /**
     * Sanitize widget form values as they are saved.
     *
     * @see WP_Widget::update()
     *
     * @param array $new_instance Values just sent to be saved.
     * @param array $old_instance Previously saved values from database.
     *
     * @return array Updated safe values to be saved.
     */
    public function update($new_instance, $old_instance)
    {
        $instance = array();
        $instance['slider_id'] = strip_tags($new_instance['slider_id']);
        $instance['title'] = strip_tags($new_instance['title']);

        return $instance;
    }

    /**
     * Back-end widget form.
     *
     * @see WP_Widget::form()
     *
     * @param array $instance Previously saved values from database.
     */
    public function form($instance)
    {
        $selected_slider = 0;
        $title = "";
        $sliders = array();

        if (isset($instance['slider_id'])) {
            $selected_slider = $instance['slider_id'];
        }

        if (isset($instance['title'])) {
            $title = $instance['title'];
        }


        $posts = get_posts(array(
                'post_type' => 'ml-slider',
                'post_status' => 'publish',
                'orderby' => 'date',
                'order' => 'ASC',
                'posts_per_page' => -1
            ));

        foreach ($posts as $post) {
            $active = $selected_slider == $post->ID ? true : false;

            $sliders[] = array(
                'active' => $active,
                'title' => $post->post_title,
                'id' => $post->ID
            );
        }

        ?>
        <p>
            <?php if (count($sliders) > 0) { ?>
                <p>
                    <label for="<?php echo esc_attr($this->get_field_id('title')); ?>"><?php esc_html_e('Title:', 'ml-slider'); ?></label>
                    <input class="widefat" id="<?php echo esc_attr($this->get_field_id('title')); ?>" name="<?php echo esc_attr($this->get_field_name('title')); ?>" type="text" value="<?php echo esc_attr($title); ?>" />
                </p>
                <label for="<?php echo esc_attr($this->get_field_id('slider_id')); ?>"><?php esc_html_e('Select Slider:', 'ml-slider'); ?></label>
                <select id="<?php echo esc_attr($this->get_field_id('slider_id')); ?>" name="<?php echo esc_attr($this->get_field_name('slider_id')); ?>">
                    <?php
                    foreach ($sliders as $slider) {
                        $selected = $slider['active'] ? 'selected=selected' : '';
                        echo '<option value="' . esc_attr($slider['id']) . '" ' . $selected. '>' . esc_html($slider['title']) . '</option>'; // phpcs:ignore WordPress.Security.EscapeOutput.OutputNotEscaped
                    }
                    ?>
                </select>
            <?php } else {
            esc_html_e('No slideshows found', 'ml-slider');
            } ?>
        </p>
        <?php
    }
}
