// Home page specific JS: team carousel + modal
document.addEventListener('DOMContentLoaded', () => {
  // Fetch team data and render
  fetch('assets/data/team.json')
    .then(res => res.json())
    .then(members => {
      initTeamSection(members);
    })
    .catch(err => {
      console.error('Failed to load team data', err);
    });

  function initTeamSection(members) {
    const carousel = document.getElementById('team-carousel');
    const dotsContainer = document.getElementById('carousel-dots');
    const prevBtn = document.getElementById('carousel-prev');
    const nextBtn = document.getElementById('carousel-next');

    // Render cards
    carousel.innerHTML = members.map((m, i) => `
      <div class="team-card" data-member="${i}">
        <div class="team-avatar">
          <div class="team-avatar-inner">${m.avatar}</div>
        </div>
        <h4>${m.name}</h4>
        <p class="team-role">${m.role}</p>
        <p class="team-desc">${(m.bio || '').split('.').shift()}.</p>
      </div>
    `).join('');

    // Carousel logic
    const cardsContainer = carousel; // the track
    let cards = carousel.querySelectorAll('.team-card');
    let currentIndex = 0;
    let cardsPerView = 3;
    let autoPlayInterval;

    function updateCardsPerView() {
      if (window.innerWidth <= 768) cardsPerView = 1;
      else if (window.innerWidth <= 1024) cardsPerView = 2;
      else cardsPerView = 3;
    }

    function createDots() {
      dotsContainer.innerHTML = '';
      const totalDots = Math.max(1, Math.ceil(cards.length / cardsPerView));
      for (let i = 0; i < totalDots; i++) {
        const dot = document.createElement('div');
        dot.classList.add('carousel-dot');
        if (i === 0) dot.classList.add('active');
        dot.addEventListener('click', () => goToSlide(i));
        dotsContainer.appendChild(dot);
      }
    }

    function updateCarousel() {
      cards = carousel.querySelectorAll('.team-card');
      if (cards.length === 0) return;
      const cardStyle = window.getComputedStyle(cards[0]);
      const gap = 32; // matches previous implementation
      const cardWidth = cards[0].offsetWidth + gap;
      carousel.style.transform = `translateX(-${currentIndex * cardWidth}px)`;

      const dots = dotsContainer.querySelectorAll('.carousel-dot');
      const activeDotIndex = Math.floor(currentIndex / cardsPerView);
      dots.forEach((dot, i) => dot.classList.toggle('active', i === activeDotIndex));
    }

    function goToSlide(dotIndex) {
      currentIndex = dotIndex * cardsPerView;
      if (currentIndex > cards.length - cardsPerView) currentIndex = Math.max(0, cards.length - cardsPerView);
      updateCarousel();
      resetAutoPlay();
    }

    function nextSlide() {
      currentIndex++;
      if (currentIndex > cards.length - cardsPerView) currentIndex = 0;
      updateCarousel();
    }

    function prevSlide() {
      currentIndex--;
      if (currentIndex < 0) currentIndex = Math.max(0, cards.length - cardsPerView);
      updateCarousel();
    }

    function startAutoPlay() {
      clearInterval(autoPlayInterval);
      autoPlayInterval = setInterval(nextSlide, 4000);
    }

    function resetAutoPlay() {
      clearInterval(autoPlayInterval);
      startAutoPlay();
    }

    prevBtn && prevBtn.addEventListener('click', () => { prevSlide(); resetAutoPlay(); });
    nextBtn && nextBtn.addEventListener('click', () => { nextSlide(); resetAutoPlay(); });

    carousel.addEventListener('mouseenter', () => clearInterval(autoPlayInterval));
    carousel.addEventListener('mouseleave', startAutoPlay);

    updateCardsPerView();
    createDots();
    startAutoPlay();

    window.addEventListener('resize', () => {
      updateCardsPerView();
      createDots();
      currentIndex = 0;
      updateCarousel();
    });

    // Modal logic
    const modalOverlay = document.getElementById('team-modal-overlay');
    const modalClose = document.getElementById('team-modal-close');
    const modalAvatar = document.getElementById('modal-avatar');
    const modalName = document.getElementById('modal-name');
    const modalRole = document.getElementById('modal-role');
    const modalBio = document.getElementById('modal-bio');
    const modalStats = document.getElementById('modal-stats');
    const modalSkills = document.getElementById('modal-skills');
    const modalSocial = document.getElementById('modal-social');

    function openMemberModal(index) {
      const member = members[index];
      if (!member) return;
      modalAvatar.textContent = member.avatar || member.name.charAt(0);
      modalName.textContent = member.name;
      modalRole.textContent = member.role;
      modalBio.textContent = member.bio;

      modalStats.innerHTML = (member.stats || []).map(stat => `
        <div class="team-modal-stat">
          <div class="team-modal-stat-value">${stat.value}</div>
          <div class="team-modal-stat-label">${stat.label}</div>
        </div>
      `).join('');

      modalSkills.innerHTML = (member.skills || []).map(s => `<span class="team-modal-skill">${s}</span>`).join('');

      modalSocial.innerHTML = `
        <a href="#" aria-label="Discord"><i data-feather="message-circle"></i></a>
        <a href="#" aria-label="Twitter"><i data-feather="twitter"></i></a>
      `;

      if (window.feather && feather.replace) feather.replace();

      modalOverlay.classList.add('active');
      document.body.style.overflow = 'hidden';
    }

    function closeMemberModal() {
      modalOverlay.classList.remove('active');
      document.body.style.overflow = '';
    }

    // Attach click listeners to generated cards
    carousel.querySelectorAll('.team-card').forEach(card => {
      card.addEventListener('click', () => {
        const idx = parseInt(card.dataset.member, 10);
        openMemberModal(idx);
      });
    });

    modalClose && modalClose.addEventListener('click', closeMemberModal);
    modalOverlay && modalOverlay.addEventListener('click', (e) => { if (e.target === modalOverlay) closeMemberModal(); });
    document.addEventListener('keydown', (e) => { if (e.key === 'Escape' && modalOverlay.classList.contains('active')) closeMemberModal(); });
  }
});