<?php
/**
 * Introduction Widget
 *
 * @package texton
 */

if ( ! class_exists( 'Texton_Introduction_Widget' ) ) :

     
    class Texton_Introduction_Widget extends WP_Widget {
        /**
         * Sets up the widgets name etc
         */
        public function __construct() {
            $st_widget_introduction = array(
                'classname'   => 'introduction_widget',
                'description' => esc_html__( 'Compatible Area: Homepage, Sidebar, Footer', 'texton' ),
            );
            parent::__construct( 'texton_introduction_widget', esc_html__( 'ST: Introduction Widget', 'texton' ), $st_widget_introduction );
        }

        /**
         * Outputs the content of the widget
         *
         * @param array $args
         * @param array $instance
         */
        public function widget( $args, $instance ) {
            // outputs the content of the widget
            if ( ! isset( $args['widget_id'] ) ) {
                $args['widget_id'] = $this->id;
            }

            $title   = ( ! empty( $instance['title'] ) ) ? ( $instance['title'] ) : '';
            $title   = apply_filters( 'widget_title', $title, $instance, $this->id_base );
            $read_more  = isset( $instance['read_more'] ) ? $instance['read_more'] : esc_html__( 'Read More', 'texton' );

            $page_id  = isset( $instance['page_id'] ) ? $instance['page_id'] : '';
            $query_args = array(
                'post_type' => 'page',
                'page_id' => absint( $page_id ),
                'posts_per_page' => 1,
            );

            $query = new WP_Query( $query_args );

            echo $args['before_widget'];
            ?>

                <div id="introduction" class="page-section relative left-align">
                    <div class="wrapper">
                        <?php if ( ! empty( $title ) ) : ?>
                            <div class="section-header align-center add-separator">
                                <?php echo $args['before_title'] . esc_html( $title ) . $args['after_title']; ?>
                                <div class="separator"></div>
                            </div><!-- .section-header -->
                        <?php endif; 

                        if ( $query -> have_posts() ) : while ( $query -> have_posts() ) : $query -> the_post(); ?>
                            <article class="hentry">
                                <div class="post-wrapper">
                                    <div class="entry-container">
                                        <header class="entry-header">
                                            <h2 class="entry-title">
                                                <a href="<?php the_permalink(); ?>"><?php the_title(); ?></a>
                                            </h2>
                                        </header>

                                        <div class="entry-content">
                                            <?php echo esc_html( texton_trim_content( 30 ) ); ?>
                                        </div><!-- .entry-content -->

                                        <a class="more-btn" href="<?php the_permalink(); ?>">
                                            <?php 
                                            echo esc_html( $read_more ); 
                                            echo texton_get_svg( array( 'icon' => 'right' ) );
                                            ?>
                                        </a>
                                    </div><!-- .entry-container -->
                                    <?php if ( has_post_thumbnail() ) : ?>
                                        <div class="featured-image">
                                            <div class="overlay"></div>
                                            <a href="<?php the_permalink(); ?>">
                                                <?php the_post_thumbnail( 'post-thumbnail', array( 'alt' => the_title_attribute( 'echo=0' ) ) ); ?>
                                            </a>
                                        </div><!-- .featured-image -->
                                    <?php endif; ?>
                                </div><!-- .post-wrapper -->
                            </article>
                        <?php endwhile; endif;
                        wp_reset_postdata(); ?>
                    </div><!-- .wrapper -->
                </div><!-- #introduction -->

            <?php
            echo $args['after_widget'];
        }

        /**
         * Outputs the options form on admin
         *
         * @param array $instance The widget options
         */
        public function form( $instance ) {
            $title      = isset( $instance['title'] ) ? ( $instance['title'] ) : esc_html__( 'Introduction', 'texton' );
            $page_id    = isset( $instance['page_id'] ) ? $instance['page_id'] : '';
            $read_more  = isset( $instance['read_more'] ) ? $instance['read_more'] : esc_html__( 'Read More', 'texton' );

            $page_options = texton_page_choices();
            ?>

            <p>
                <label for="<?php echo esc_attr( $this->get_field_id( 'title' ) ); ?>"><?php esc_html_e( 'Title:', 'texton' ); ?></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>

            <p>
                <label for="<?php echo esc_attr( $this->get_field_id( 'page_id' ) ); ?>"><?php esc_html_e( 'Select Page', 'texton' ); ?></label>
                <select class="texton-widget-chosen-select widfat" id="<?php echo esc_attr( $this->get_field_id( 'page_id' ) ); ?>" name="<?php echo esc_attr( $this->get_field_name( 'page_id' ) ); ?>">
                    <?php foreach ( $page_options as $page_option => $value ) : ?>
                        <option value="<?php echo absint( $page_option ); ?>" <?php selected( $page_id, $page_option, $echo = true ) ?> ><?php echo esc_html( $value ); ?></option>
                    <?php endforeach; ?>
                </select>
            </p>

            <p>
                <label for="<?php echo esc_attr( $this->get_field_id( 'read_more' ) ); ?>"><?php esc_html_e( 'Read More Text:', 'texton' ); ?></label>
                <input class="widefat" id="<?php echo esc_attr( $this->get_field_id('read_more') ); ?>" name="<?php echo esc_attr( $this->get_field_name( 'read_more' ) ); ?>" type="text" value="<?php echo esc_attr( $read_more ); ?>" />
            </p>

        <?php }

        /**
        * Processing widget options on save
        *
        * @param array $new_instance The new options
        * @param array $old_instance The previous options
        */
        public function update( $new_instance, $old_instance ) {
            // processes widget options to be saved
            $instance                   = $old_instance;
            $instance['title']          = sanitize_text_field( $new_instance['title'] );
            $instance['page_id']        = texton_sanitize_page_post( $new_instance['page_id'] );
            $instance['read_more']      = sanitize_text_field( $new_instance['read_more'] );
           
            return $instance;
        }
    }
endif;
