<?php
/**
 * Custom excerpt functions
 *
 * @package dpiChild
 */

// Limit excerpt length to 30 words
if( ! function_exists( 'limit_excerpt_length' ) ) {
  function limit_excerpt_length( $length ) {
    return 30;
  }
  add_filter( 'excerpt_length', 'limit_excerpt_length', 999 );
}

// Limit custom excerpt length to 30 words
if( ! function_exists( 'custom_excerpt_length' ) ) {
  function custom_excerpt_length( $excerpt, $post = null ) {
		if( has_excerpt( $post ) ) {
			$excerpt_length = apply_filters( 'excerpt_length', 30 );
			$excerpt_more   = apply_filters( 'excerpt_more', ' ' . '' );
			$excerpt        = wp_trim_words( $excerpt, $excerpt_length, $excerpt_more );
		}
		return $excerpt;
  }
  add_filter( 'get_the_excerpt', 'custom_excerpt_length', 999, 2 );
}

// Always include Read More link in excerpts
if( ! function_exists('read_more_excerpt')) {
	function read_more_excerpt( $text, $post = null ) {
		return $text . '…<a href="'.get_the_permalink().'" class="read-more-link" title="Read More" rel="nofollow">Read More</a>';
	}
	add_filter('get_the_excerpt', 'read_more_excerpt', 999, 2);
}

// Remove [...] from excerpts
if( ! function_exists( 'new_excerpt_more' ) ) {
  function new_excerpt_more( $more ) {
    return '';
  }
  add_filter('excerpt_more', 'new_excerpt_more');
}

// Excerpt function for Ministry Cards
if( ! function_exists('ministry_excerpt')) {
	function ministry_excerpt( $post = null ) {
    $excerpt_length = 30;
    $excerpt_more   = '<a href="'.get_the_permalink().'" class="read-more-link" title="Read More" rel="nofollow">Read More</a>';

    $text = get_the_content( '' );
    $text = apply_filters('the_content', $text);
    $text = str_replace('\]\]\>', ']]&gt;', $text);
    $text = str_replace('&nbsp;', ' ', $text);
    $text = preg_replace('@<script[^>]*?>.*?</script>@si', '', $text);
    $text = strip_tags($text, '<a>');
    if(str_word_count($text, 0) > $excerpt_length) {
      $words = str_word_count($text, 2);
      $pos   = array_keys($words);
      $text  = substr($text, 0, $pos[$excerpt_length]);
    }
    $text = sprintf('<p>%s…</p>%s', $text, $excerpt_more);

		return $text;
	}
}