<?php

/**
 * This class renders the html for the event colors.
 *
 * @author     Time.ly Network Inc.
 * @since      2.0
 *
 * @package    AI1EC
 * @subpackage AI1EC.View.Event
 */
class Ai1ec_View_Event_Post extends Ai1ec_Base {

    /**
     * Add event-specific messages to be used when one is modified in dashboard.
     *
     * @wp_hook post_updated_messages
     *
     * @param  array $messages List of messages.
     *
     * @return array Modified list of messages.
     */
    public function post_updated_messages( $messages ) {
        global $post, $post_ID;

        $messages[AI1EC_POST_TYPE] = array(
            0 => '', // Unused. Messages start at index 1.
            1 => sprintf(
                Ai1ec_I18n::__( 'Event updated. <a href="%s">View event</a>' ),
                esc_url( get_permalink( $post_ID ) )
            ),
            2 => Ai1ec_I18n::__( 'Custom field updated.' ),
            3 => Ai1ec_I18n::__( 'Custom field deleted.' ),
            4 => Ai1ec_I18n::__( 'Event updated.' ),
            /* translators: %s: date and time of the revision */
            5 => isset( $_GET['revision'] )
                ? sprintf(
                    Ai1ec_I18n::__( 'Event restored to revision from %s' ),
                    wp_post_revision_title( (int) $_GET['revision'], false )
                )
                : false,
            6 => sprintf(
                Ai1ec_I18n::__( 'Event published. <a href="%s">View event</a>' ),
                esc_url( get_permalink($post_ID) )
            ),
            7 => Ai1ec_I18n::__( 'Event saved.' ),
            8 => sprintf(
                Ai1ec_I18n::__( 'Event submitted. <a target="_blank" href="%s">Preview event</a>' ),
                esc_url( add_query_arg( 'preview', 'true', get_permalink( $post_ID ) ) )
            ),
            9 => sprintf(
                Ai1ec_I18n::__( 'Event scheduled for: <strong>%1$s</strong>. <a target="_blank" href="%2$s">Preview event</a>' ),
                // translators: Publish box date format, see http://php.net/date
                $this->_registry->get( 'date.time', $post->post_date )->format_i18n( Ai1ec_I18n::__( 'M j, Y @ G:i' ) ),
                esc_url( get_permalink($post_ID) )
            ),
            10 => sprintf(
                Ai1ec_I18n::__( 'Event draft updated. <a target="_blank" href="%s">Preview event</a>' ),
                esc_url( add_query_arg( 'preview', 'true', get_permalink( $post_ID ) ) )
            ),
        );

        return $messages;
    }

    /**
     * Generates an excerpt from the given content string.
     *
     * Adapted from WordPress's `wp_trim_excerpt' function that is not useful
     * for applying to custom content.
     *
     * @param string $text The content to trim.
     *
     * @return string The excerpt.
     */
    public function trim_excerpt( Ai1ec_Event $event, $length = 35, $more = '[...]' ) {
        global $post;
        $original_post = $post;
        $post          = $event->get( 'post' );
        $raw_excerpt    = $event->get( 'post' )->post_content;
        if ( ! isset( $raw_excerpt[0] ) ) {
            $raw_excerpt = '&nbsp;';
        }

        $text           = preg_replace(
            '#<\s*script[^>]*>.+<\s*/\s*script\s*>#x',
            '',
            apply_filters(
                'the_excerpt',
                $raw_excerpt
            )
        );
        $text           = strip_shortcodes( $text );
        $text           = str_replace( ']]>', ']]&gt;', $text );
        $text           = strip_tags( $text );

        $excerpt_length = apply_filters( 'excerpt_length', $length );
        $excerpt_more   = apply_filters( 'excerpt_more', $more );
        $words          = preg_split(
            '/\s+/',
            $text,
            $excerpt_length + 1,
            PREG_SPLIT_NO_EMPTY
        );
        if ( count( $words ) > $excerpt_length ) {
            array_pop( $words );
            $text = implode( ' ', $words );
            $text = $text . $excerpt_more;
        } else {
            $text = implode( ' ', $words );
        }
        $post = $original_post;
        return apply_filters( 'wp_trim_excerpt', $text, $raw_excerpt );
    }

}