---
// src/components/ImageCarousel.astro
import "../styles/components/ImageCarousel.css";

interface Image {
  src: string;
  alt: string;
}

const { images = [], id } = Astro.props as { images: Image[], id?: string };
---

<section id={id} class="image-carousel-container">
  <h2 class="section-title">Galerie</h2>
  <div class="image-carousel">
    <button class="nav-button prev-button" aria-label="Previous image">
      <span class="arrow">&#10094;</span>
    </button>
    
    <div class="carousel-images">
      <div class="carousel-track">
        {images.map((image, index) => (
          <div class="carousel-slide" data-index={index}>
            <img src={image.src} alt={image.alt} class="carousel-image" />
          </div>
        ))}
      </div>
    </div>
    
    <button class="nav-button next-button" aria-label="Next image">
      <span class="arrow">&#10095;</span>
    </button>
  </div>
  
  <div class="carousel-indicators">
    {images.map((_, index) => (
      <button 
        class="indicator-dot" 
        data-index={index} 
        aria-label={`Go to slide ${index + 1}`}
      ></button>
    ))}
  </div>
</section>

<script>
  // Initialize carousel functionality
  function initCarousel() {
    const carousel = document.querySelector('.image-carousel');
    const track = document.querySelector('.carousel-track');
    const slides = document.querySelectorAll('.carousel-slide');
    const prevButton = document.querySelector('.prev-button');
    const nextButton = document.querySelector('.next-button');
    const indicators = document.querySelectorAll('.indicator-dot');
    
    if (!carousel || !track || !slides.length || !prevButton || !nextButton) return;
    
    let currentIndex = 0;
    const slideCount = slides.length;
    
    // Set initial active state
    updateCarousel();
    
    // Add event listeners
    prevButton.addEventListener('click', () => {
      currentIndex = (currentIndex - 1 + slideCount) % slideCount;
      updateCarousel();
    });
    
    nextButton.addEventListener('click', () => {
      currentIndex = (currentIndex + 1) % slideCount;
      updateCarousel();
    });
    
    // Add click events to indicators
    indicators.forEach((dot, index) => {
      dot.addEventListener('click', () => {
        currentIndex = index;
        updateCarousel();
      });
    });
    
    // Function to update carousel display
    function updateCarousel() {
      // Update active class on slides
      slides.forEach((slide, index) => {
        const position = index - currentIndex;
        
        // Remove all position classes
        slide.classList.remove('prev', 'current', 'next');
        
        // Add appropriate position class
        if (position === -1 || (position === slideCount - 1 && currentIndex === 0)) {
          slide.classList.add('prev');
        } else if (position === 0) {
          slide.classList.add('current');
        } else if (position === 1 || (position === -(slideCount - 1) && currentIndex === slideCount - 1)) {
          slide.classList.add('next');
        }
      });
      
      // Update indicators
      indicators.forEach((dot, index) => {
        dot.classList.toggle('active', index === currentIndex);
      });
    }
  }
  
  // Run initialization when DOM is loaded
  document.addEventListener('DOMContentLoaded', initCarousel);
  
  // Re-initialize on astro:page-load for Astro View Transitions
  document.addEventListener('astro:page-load', initCarousel);
</script>