---

import CategoryBadge from './CategoryBadge.astro';

export interface Props {
  items: any[];
  showCount?: boolean;
  type: 'latest' | 'category' | 'author' | 'tag';
  slug?: string;
  pageInfo?: {
    hasNextPage: boolean;
    endCursor: string | null;
  };
  gridColumns?: 3 | 4;
}

const {
  items = [],
  showCount = false,
  type = 'latest',
  slug = '',
  pageInfo = { hasNextPage: false, endCursor: null },
  gridColumns = 4
} = Astro.props;

// Конфиг для клиентского скрипта
const loadMoreConfig = {
  type,
  slug,
  gridColumns
};

function getCoauthorsNames(coauthors: any[]): string {
  if (!coauthors || coauthors.length === 0) return '';
  
  return coauthors
    .map((coauthor: any) => {
      const name = coauthor?.node?.name || coauthor?.name;
      return name;
    })
    .filter(Boolean)
    .join(', ');
}

function shouldBeLarge(index: number, columns: number): boolean {
  if (columns === 4) {
    // Паттерн для 4 колонок: большие на позициях 8, 19, 30, 41...
    if (index < 8) return false;
    return (index - 8) % 11 === 0;
  } else {
    // Паттерн для 3 колонок: большие на позициях 6, 14, 22, 30...
    if (index < 6) return false;
    return (index - 6) % 8 === 0;
  }
}
---

<section class="posts-section" id="posts-section">
  
  {showCount && items.length > 0 && (
    <h2>Все статьи <span id="posts-count">({items.length})</span></h2>
  )}

  <div 
    id="posts-grid" 
    class="posts-grid"
    data-grid-columns={gridColumns}
    class:list={[`posts-grid-${gridColumns}`]}
  >
    {items.map((item, index) => {
      const postUrl = item.uri || `/blog/${item.databaseId}`;
      const postDate = new Date(item.date);
      const isLarge = shouldBeLarge(index, gridColumns);
      
      return (
        <article 
          class={`post-card ${isLarge ? 'post-card-large' : ''}`}
          data-large={isLarge}
          data-index={index}
          itemscope 
          itemtype="https://schema.org/BlogPosting"
        >
          <div class="post-image-container">
            {item.featuredImage?.node?.sourceUrl ? (
              <img
                src={item.featuredImage.node.sourceUrl} 
                alt={item.featuredImage.node.altText || item.title}
                width="400"
                height="400"
                loading="lazy"
                class="post-image"
                itemprop="image"
              />
            ) : (
              <div class="post-image-placeholder"></div>
            )}

            {item.categories?.nodes?.[0] && (
              <CategoryBadge
                name={item.categories.nodes[0].name}
                color={item.categories.nodes[0].color}
                href={`/${item.categories.nodes[0].slug}`}
                isNews={item.__typename === "ANew"}
              />
            )}
            
            <div class="post-content-overlay">
              <div class="post-meta-overlay">
                <time 
                  datetime={item.date} 
                  class="post-date-overlay"
                  itemprop="datePublished"
                >
                  {postDate.toLocaleDateString('ru-RU', {
                    day: 'numeric',
                    month: 'short',
                    year: 'numeric'
                  }).replace(' г.', '')}
                </time>
              </div>
              
              <a href={postUrl} class="post-title-link" itemprop="url">
                <h3 class="post-title-overlay" itemprop="headline">
                  {item.title}
                </h3>
              </a>

              {item.coauthors && item.coauthors.length > 0 && (
                <div class="coauthors-wrapper" itemprop="author">
                  {item.coauthors.map((coauthor: any, i: number) => {
                    const name = coauthor?.node?.name || coauthor?.name;
                    const nickname = coauthor?.node?.nickname || coauthor?.nickname;
                    
                    return (
                      <span class="author-name" key={nickname || name}>
                        {i > 0 && ', '}
                        {nickname ? (
                          <a 
                            href={`/author/${nickname}`}
                            class="author-link"
                            onClick={(e) => e.stopPropagation()}
                          >
                            {name}
                          </a>
                        ) : (
                          <span class="author-name">{name}</span>
                        )}
                      </span>
                    );
                  })}
                </div>
              )}
            </div>
          </div>
          
          <div class="sr-only">
            <h3 itemprop="headline">
              <a href={postUrl} itemprop="url">{item.title}</a>
            </h3>
            <time 
              datetime={item.date} 
              itemprop="datePublished"
            >
              {postDate.toLocaleDateString('ru-RU')}
            </time>
          </div>
        </article>
      );
    })}
  </div>

  <div id="loading-indicator" class="loading-indicator" style="display: none;">
    <div class="loading-spinner"></div>
    <p>Загрузка...</p>
  </div>

  <div id="no-more-posts" class="no-more-posts" style="display: none;">
    Все статьи загружены
  </div>

  {pageInfo.hasNextPage && (
    <div 
      id="infinity-scroll-sentinel" 
      data-end-cursor={pageInfo.endCursor}
      data-load-config={JSON.stringify(loadMoreConfig)}
      data-current-index={items.length}
      data-grid-columns={gridColumns}
    ></div>
  )}
</section>