{# Alternatives panel partial.
  Expects: name (seed display), require_owned (bool), items = [
    { 'name': display_name, 'name_lower': lower, 'owned': bool, 'tags': list[str] }
  ]
#}
<div class="alts" style="margin-top:.35rem; padding:.5rem; border:1px solid var(--border); border-radius:8px; background:#0f1115;" data-skeleton data-skeleton-label="Pulling alternatives…" data-skeleton-delay="450">
  <div style="display:flex;justify-content:space-between;align-items:center;margin-bottom:.25rem; gap:.5rem; flex-wrap:wrap;">
    <div style="display:flex;align-items:center;gap:.5rem;">
      <strong>Alternatives</strong>
      <button type="button" onclick="this.closest('.alts').remove()" title="Close alternatives panel" aria-label="Close alternatives" style="background:transparent;border:1px solid var(--border);color:var(--text);border-radius:4px;font-size:14px;line-height:1;padding:2px 6px;cursor:pointer;">✕</button>
    </div>
    {% set toggle_q = '0' if require_owned else '1' %}
    {% set toggle_label = 'Owned only: On' if require_owned else 'Owned only: Off' %}
    <div style="display:flex; gap:.35rem; flex-wrap:wrap;">
      <button class="btn" hx-get="/build/alternatives?name={{ name|urlencode }}&owned_only={{ toggle_q }}"
        hx-target="closest .alts" hx-swap="outerHTML"
        data-hx-cache="1" data-hx-cache-key="alts:{{ name|lower }}:owned:{{ toggle_q }}" data-hx-cache-ttl="20000">{{ toggle_label }}</button>
      <button class="btn" hx-get="/build/alternatives?name={{ name|urlencode }}&owned_only={{ 1 if require_owned else 0 }}&refresh=1"
              hx-target="closest .alts" hx-swap="outerHTML" title="Request a fresh pool of alternatives">New pool</button>
    </div>
  </div>
  {% if not items or items|length == 0 %}
    <div class="muted">No alternatives found{{ ' (owned only)' if require_owned else '' }}.</div>
  {% else %}
  <ul class="alt-list">
      {% for it in items %}
        {% set tags = (it.tags or []) %}
        <li>
          <button class="btn alt-option" data-card-name="{{ it.name }}"
                  {% if it.role %}data-role="{{ it.role }}"{% endif %}
                  {% if it.mana %}data-mana="{{ it.mana }}"{% endif %}
                  {% if it.rarity %}data-rarity="{{ it.rarity }}"{% endif %}
                  {% if it.hover_simple %}data-hover-simple="1"{% endif %}
                  {% if it.owned %}data-owned="1"{% endif %}
                  data-tags="{{ tags|join(', ') }}"
                  hx-post="/build/replace"
                  hx-vals='{"old":"{{ name }}", "new":"{{ it.name }}", "owned_only":"{{ 1 if require_owned else 0 }}"}'
                  hx-target="closest .alts"
                  hx-swap="outerHTML"
                  title="Lock this alternative and unlock the current pick">
            {{ it.name }}
          </button>
        </li>
      {% endfor %}
    </ul>
  {% endif %}
</div>
<script>
// Mobile: tap to preview, tap "Use as Replacement" button in popup to replace
(function(){
  var altPanel = document.currentScript.previousElementSibling;
  if(!altPanel) return;
  
  // Track which button triggered the popup
  var pendingReplacement = null;
  
  // Better mobile detection (matches base.html logic)
  function isMobileMode(){
    var coarseQuery = window.matchMedia('(pointer: coarse)');
    return (coarseQuery && coarseQuery.matches) || window.innerWidth <= 768;
  }
  
  // Intercept htmx request before it's sent
  altPanel.addEventListener('htmx:configRequest', function(e){
    var btn = e.detail.elt;
    if(!btn || !btn.classList.contains('alt-option')) return;
    
    if(isMobileMode() && !btn.dataset.mobileConfirmed){
      // First tap on mobile: cancel the request, show preview instead
      e.preventDefault();
      pendingReplacement = btn;
      
      // Show card preview and inject replacement button
      if(window.__hoverShowCard){
        window.__hoverShowCard(btn);
        
        // Inject "Use as Replacement" button into popup
        setTimeout(function(){
          if(!isMobileMode()) return; // Double-check we're still in mobile mode
          
          var hoverPanel = document.getElementById('hover-card-panel');
          if(hoverPanel && !hoverPanel.querySelector('.mobile-replace-btn')){
            var imgWrap = hoverPanel.querySelector('.hcp-img-wrap');
            if(imgWrap){
              var replaceBtn = document.createElement('button');
              replaceBtn.type = 'button';
              replaceBtn.className = 'btn mobile-replace-btn';
              replaceBtn.textContent = 'Use as Replacement';
              replaceBtn.style.cssText = 'width:100%;padding:0.75rem;font-size:15px;margin-top:8px;pointer-events:auto;position:relative;z-index:10000;';
              
              var handleClick = function(ev){
                ev.preventDefault();
                ev.stopPropagation();
                
                if(!pendingReplacement) return;
                
                pendingReplacement.dataset.mobileConfirmed = '1';
                pendingReplacement.click();
                
                // Close the popup after a short delay
                setTimeout(function(){
                  var closeBtn = hoverPanel.querySelector('.hcp-close');
                  if(closeBtn) closeBtn.click();
                }, 100);
              };
              
              replaceBtn.onclick = handleClick;
              replaceBtn.addEventListener('click', handleClick);
              replaceBtn.addEventListener('touchend', handleClick);
              
              imgWrap.appendChild(replaceBtn);
            }
          }
        }, 100);
      }
      return false;
    }
    
    // Desktop or mobile with confirmation: allow request to proceed
    if(btn.dataset.mobileConfirmed){
      btn.removeAttribute('data-mobileConfirmed');
      pendingReplacement = null;
    }
  });
  
  // Reset pending replacement when popup closes
  document.addEventListener('click', function(e){
    if(e.target.closest('.hcp-close')){
      pendingReplacement = null;
      // Remove mobile replace button when closing
      var hoverPanel = document.getElementById('hover-card-panel');
      if(hoverPanel){
        var replaceBtn = hoverPanel.querySelector('.mobile-replace-btn');
        if(replaceBtn) replaceBtn.remove();
      }
    }
  });
})();
</script>