---
export interface Props {
  items: any[];
  showCount?: boolean;
}

const {
  items = [],
  showCount = false,
} = Astro.props;

// Функция для извлечения класса цвета из строки
function extractColorClass(colorString: string): string {
  if (!colorString) return 'bg-blue';
  
  if (colorString.includes('фон меню:')) {
    const parts = colorString.split(':');
    const color = parts[1]?.trim();
    
    const validColors = [
      'black', 'yellow', 'blue', 'green', 'red', 'orange', 'gray',
      'indigo', 'purple', 'pink', 'teal', 'cyan', 'white',
      'gray-dark', 'light', 'dark'
    ];
    
    if (color && validColors.includes(color)) {
      return `bg-${color}`;
    }
  }
  
  if (colorString.startsWith('bg-')) {
    return colorString;
  }
  
  const simpleColor = colorString.toLowerCase();
  switch(simpleColor) {
    case 'black': case 'yellow': case 'blue': case 'green': 
    case 'red': case 'orange': case 'gray': case 'indigo':
    case 'purple': case 'pink': case 'teal': case 'cyan':
    case 'white': case 'dark': case 'light':
      return `bg-${simpleColor}`;
    case 'gray-dark': return 'bg-gray-dark';
    default: return 'bg-blue';
  }
}

// Функция для получения списка имен соавторов
function getCoauthorsNames(coauthors: any[]): string {
  if (!coauthors || coauthors.length === 0) return '';
  
  return coauthors
    .map((coauthor: any) => coauthor?.node?.name || coauthor?.name)
    .filter(Boolean)
    .join(' ');
}
---

<section class="posts-section" id="posts-section">
  <h2>
    {showCount && items.length > 0 && (
      <span id="posts-count"> ({items.length})</span>
    )}
  </h2>
  
  <div id="posts-grid" class="posts-grid">
    {items.map((item, index) => {
      const postUrl = item.uri || `/blog/${item.databaseId}`;
      const postDate = new Date(item.date);
      const coauthors = item.coauthors || [];
      const coauthorsNames = getCoauthorsNames(coauthors);

      const rawColor = item.categories?.nodes?.[0]?.color || '';
      const categoryBgClass = extractColorClass(rawColor);
      
      let isLarge = false;
      let largePosition = '';
      
      const rowNumber = Math.floor(index / 4) + 1;
      const positionInRow = index % 4;
      
      if (index >= 8) {
        const largeRowStart = (rowNumber - 3) % 3 === 0 && rowNumber >= 3;
        
        if (largeRowStart && positionInRow === 0) {
          isLarge = true;
          largePosition = 'first';
        }
      }
      
      return (
        <article 
          class={`post-card ${isLarge ? 'post-card-large' : ''}`}
          data-large-position={isLarge ? largePosition : ''}
          data-index={index}
          itemscope 
          itemtype="https://schema.org/BlogPosting"
        >
          <a href={postUrl} class="post-card-link">
            <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]?.name && (
                <div class={`post-category-badge ${categoryBgClass}`}>
                  {item.categories.nodes[0].name}
                </div>
              )}
              
              <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>
                
                <h3 class="post-title-overlay" itemprop="headline">
                  {item.title}
                </h3>

                {coauthorsNames && (
                  <div class="author-name" itemprop="author">
                    {coauthorsNames}
                  </div>
                )}
              </div>
            </div>
          </a>
          
          <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>
</section>