---
import type { CollectionEntry } from 'astro:content';

interface Props {
  episode: CollectionEntry<'episodes'>;
}

const { episode } = Astro.props;
const { title, season, episode: episodeNum, pubDate, duration, tags, audioUrl } = episode.data;

const formattedDate = new Date(pubDate).toLocaleDateString('en-US', {
  year: 'numeric',
  month: 'short',
  day: 'numeric',
});

const seasonLabel = season === 0 ? 'Special' : `S${season}`;
const episodeLabel = `${seasonLabel} E${String(episodeNum).padStart(2, '0')}`;

const description = episode.body
  ? episode.body.replace(/\\?\*\\?\*\\?\*/g, '').replace(/\\\[.*?\\\]/g, '').replace(/\[.*?\]/g, '').trim()
  : '';
---

<article
  class="episode-card card"
  data-season={String(season)}
  data-tags={tags.join(',')}
  data-title={title.toLowerCase()}
  data-description={description.toLowerCase()}
>
  <div class="episode-card__header">
    <span class="badge">{episodeLabel}</span>
    <span class="episode-card__duration">{duration}</span>
  </div>

  <a href={`/episodes/${episode.id}`} class="episode-card__title-link">
    <h3 class="episode-card__title">{title}</h3>
  </a>

  <time class="episode-card__date" datetime={pubDate.toISOString()}>
    {formattedDate}
  </time>

  {description && (
    <p class="episode-card__description">{description}</p>
  )}

  <div class="episode-card__footer">
    {tags.length > 0 && (
      <div class="episode-card__tags">
        {tags.slice(0, 4).map((tag: string) => (
          <span class="episode-card__tag">{tag}</span>
        ))}
        {tags.length > 4 && (
          <span class="episode-card__tag episode-card__tag--more">+{tags.length - 4}</span>
        )}
      </div>
    )}

    <button
      class="btn btn--primary episode-card__play"
      data-audio-url={audioUrl}
      data-episode-title={title}
      data-season={String(season)}
      data-episode-num={String(episodeNum)}
      aria-label={`Play ${title}`}
    >
      <svg xmlns="http://www.w3.org/2000/svg" width="16" height="16" viewBox="0 0 24 24" fill="currentColor">
        <polygon points="5 3 19 12 5 21 5 3"></polygon>
      </svg>
      Play
    </button>
  </div>
</article>

<style>
  .episode-card {
    display: flex;
    flex-direction: column;
    gap: var(--space-3);
    border-left: 3px solid transparent;
    transition:
      transform var(--transition-base),
      box-shadow var(--transition-base),
      border-color var(--transition-base);
  }

  .episode-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-lg);
    border-left-color: var(--color-accent);
  }

  .episode-card__header {
    display: flex;
    align-items: center;
    justify-content: space-between;
  }

  .episode-card__duration {
    font-size: var(--text-xs);
    color: var(--color-text-muted);
    font-family: var(--font-mono);
  }

  .episode-card__title-link {
    color: inherit;
    text-decoration: none;
  }
  .episode-card__title-link:hover {
    color: var(--color-accent);
  }

  .episode-card__title {
    font-size: var(--text-lg);
    font-weight: 600;
    line-height: 1.3;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
  }

  .episode-card__date {
    font-size: var(--text-sm);
    color: var(--color-text-muted);
  }

  .episode-card__description {
    font-size: var(--text-sm);
    color: var(--color-text-secondary);
    line-height: 1.5;
    display: -webkit-box;
    -webkit-line-clamp: 3;
    -webkit-box-orient: vertical;
    overflow: hidden;
  }

  .episode-card__footer {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: var(--space-3);
    margin-top: auto;
    padding-top: var(--space-3);
    border-top: 1px solid var(--color-border);
  }

  .episode-card__tags {
    display: flex;
    flex-wrap: wrap;
    gap: var(--space-1);
  }

  .episode-card__tag {
    font-size: 0.65rem;
    padding: 2px var(--space-2);
    border-radius: 9999px;
    background: var(--color-bg-tertiary);
    color: var(--color-text-muted);
    white-space: nowrap;
  }

  .episode-card__tag--more {
    background: var(--color-accent-glow);
    color: var(--color-accent);
  }

  .episode-card__play {
    flex-shrink: 0;
    padding: var(--space-2) var(--space-3);
    font-size: var(--text-xs);
  }

  .episode-card__play svg {
    width: 12px;
    height: 12px;
  }
</style>

<script>
  document.addEventListener('astro:page-load', () => {
    document.querySelectorAll<HTMLButtonElement>('.episode-card__play').forEach((btn) => {
      btn.addEventListener('click', (e) => {
        e.preventDefault();
        const audioUrl = btn.dataset.audioUrl;
        const title = btn.dataset.episodeTitle;
        const season = parseInt(btn.dataset.season ?? '0', 10);
        const episode = parseInt(btn.dataset.episodeNum ?? '0', 10);

        if (audioUrl) {
          document.dispatchEvent(
            new CustomEvent('play-episode', {
              detail: { audioUrl, title, season, episode },
            })
          );
        }
      });
    });
  });
</script>