{{define "storage-content"}}
<div class="space-y-4 sm:space-y-6">
  <div class="flex flex-col sm:flex-row sm:items-center sm:justify-between gap-4">
    <div>
      <h1 class="text-2xl sm:text-3xl font-bold text-white mb-2">Storage Management</h1>
      <p class="text-sm sm:text-base text-slate-400">Manage storage pools, datasets, and volumes</p>
    </div>
    <div class="flex flex-col sm:flex-row gap-2">
      <button onclick="showCreatePoolModal()" class="px-4 py-2 bg-blue-600 hover:bg-blue-700 text-white rounded-lg text-sm font-medium transition-colors">
        Create Pool
      </button>
      <button onclick="showImportPoolModal()" class="px-4 py-2 bg-slate-700 hover:bg-slate-600 text-white rounded-lg text-sm font-medium transition-colors">
        Import Pool
      </button>
    </div>
  </div>

  <!-- Tabs -->
  <div class="border-b border-slate-800 overflow-x-auto">
    <nav class="flex gap-2 sm:gap-4 min-w-max">
      <button onclick="switchTab('pools')" id="tab-pools" class="tab-button px-3 sm:px-4 py-2 border-b-2 border-blue-600 text-blue-400 font-medium whitespace-nowrap text-sm sm:text-base">
        Pools
      </button>
      <button onclick="switchTab('datasets')" id="tab-datasets" class="tab-button px-3 sm:px-4 py-2 border-b-2 border-transparent text-slate-400 hover:text-slate-300 whitespace-nowrap text-sm sm:text-base">
        Datasets
      </button>
      <button onclick="switchTab('zvols')" id="tab-zvols" class="tab-button px-3 sm:px-4 py-2 border-b-2 border-transparent text-slate-400 hover:text-slate-300 whitespace-nowrap text-sm sm:text-base">
        Volumes
      </button>
      <button onclick="switchTab('disks')" id="tab-disks" class="tab-button px-3 sm:px-4 py-2 border-b-2 border-transparent text-slate-400 hover:text-slate-300 whitespace-nowrap text-sm sm:text-base">
        Disks
      </button>
    </nav>
  </div>

  <!-- Pools Tab -->
  <div id="content-pools" class="tab-content">
    <div class="bg-slate-800 rounded-lg border border-slate-700 overflow-hidden">
      <div class="p-4 border-b border-slate-700 flex items-center justify-between">
        <h2 class="text-lg font-semibold text-white">Storage Pools</h2>
        <button onclick="loadPools()" class="text-sm text-slate-400 hover:text-white">Refresh</button>
      </div>
      <div id="pools-list" class="p-4">
        <p class="text-slate-400 text-sm">Loading...</p>
      </div>
    </div>
  </div>

  <!-- Datasets Tab -->
  <div id="content-datasets" class="tab-content hidden">
    <div class="bg-slate-800 rounded-lg border border-slate-700 overflow-hidden">
      <div class="p-4 border-b border-slate-700 flex items-center justify-between">
        <h2 class="text-lg font-semibold text-white">Datasets</h2>
        <div class="flex gap-2">
          <button onclick="showCreateDatasetModal()" class="px-3 py-1.5 bg-blue-600 hover:bg-blue-700 text-white rounded text-sm">
            Create Dataset
          </button>
          <button onclick="loadDatasets()" class="text-sm text-slate-400 hover:text-white">Refresh</button>
        </div>
      </div>
      <div id="datasets-list" class="p-4">
        <p class="text-slate-400 text-sm">Loading...</p>
      </div>
    </div>
  </div>

  <!-- Storage Volumes Tab -->
  <div id="content-zvols" class="tab-content hidden">
    <div class="bg-slate-800 rounded-lg border border-slate-700 overflow-hidden">
      <div class="p-4 border-b border-slate-700 flex items-center justify-between">
        <h2 class="text-lg font-semibold text-white">Storage Volumes</h2>
        <div class="flex gap-2">
          <button onclick="showCreateZVOLModal()" class="px-3 py-1.5 bg-blue-600 hover:bg-blue-700 text-white rounded text-sm">
            Create Volume
          </button>
          <button onclick="loadZVOLs()" class="text-sm text-slate-400 hover:text-white">Refresh</button>
        </div>
      </div>
      <div id="zvols-list" class="p-4">
        <p class="text-slate-400 text-sm">Loading...</p>
      </div>
    </div>
  </div>

  <!-- Disks Tab -->
  <div id="content-disks" class="tab-content hidden">
    <div class="space-y-6">
      <!-- System Overview Card -->
      <div class="bg-slate-800 rounded-lg border border-slate-700 overflow-hidden">
        <div class="p-4 border-b border-slate-700 flex items-center justify-between">
          <div>
            <h2 class="text-lg font-semibold text-white">System - Available Disks</h2>
            <p class="text-sm text-slate-400 mt-1" id="disks-summary">Loading disk information...</p>
          </div>
          <button onclick="loadDisks()" class="text-sm text-slate-400 hover:text-white transition-colors">
            <svg class="w-5 h-5" fill="none" stroke="currentColor" viewBox="0 0 24 24">
              <path stroke-linecap="round" stroke-linejoin="round" stroke-width="2" d="M4 4v5h.582m15.356 2A8.001 8.001 0 004.582 9m0 0H9m11 11v-5h-.581m0 0a8.003 8.003 0 01-15.357-2m15.357 2H15"></path>
            </svg>
          </button>
        </div>
        <div class="p-6">
          <!-- Visual Disk Grid -->
          <div id="disks-visual" class="grid grid-cols-2 sm:grid-cols-3 md:grid-cols-4 lg:grid-cols-5 xl:grid-cols-6 gap-3 sm:gap-4 mb-6">
            <p class="text-slate-400 text-sm col-span-full">Loading...</p>
          </div>
          
          <!-- Legend -->
          <div class="border-t border-slate-700 pt-4">
            <h3 class="text-sm font-medium text-slate-300 mb-3">Status Legend</h3>
            <div class="flex flex-wrap gap-4 text-xs">
              <div class="flex items-center gap-2">
                <div class="w-4 h-4 rounded bg-slate-700 border border-slate-500"></div>
                <span class="text-slate-400">Available</span>
              </div>
              <div class="flex items-center gap-2">
                <div class="w-4 h-4 rounded bg-blue-600 border border-blue-500"></div>
                <span class="text-slate-400">In Use</span>
              </div>
              <div class="flex items-center gap-2">
                <div class="w-4 h-4 rounded bg-slate-600 border border-slate-500"></div>
                <span class="text-slate-400">Free</span>
              </div>
              <div class="flex items-center gap-2">
                <div class="w-4 h-4 rounded bg-yellow-600 border border-yellow-500"></div>
                <span class="text-slate-400">Warning</span>
              </div>
              <div class="flex items-center gap-2">
                <div class="w-4 h-4 rounded bg-red-600 border border-red-500"></div>
                <span class="text-slate-400">Error</span>
              </div>
            </div>
          </div>
        </div>
      </div>

      <!-- Detailed Disk List -->
      <div class="bg-slate-800 rounded-lg border border-slate-700 overflow-hidden">
        <div class="p-4 border-b border-slate-700">
          <h2 class="text-lg font-semibold text-white">Disk Details</h2>
        </div>
        <div id="disks-list" class="p-4">
          <p class="text-slate-400 text-sm">Loading...</p>
        </div>
      </div>
    </div>
  </div>
</div>

<!-- Create Pool Modal -->
<div id="create-pool-modal" class="hidden fixed inset-0 bg-black/50 flex items-center justify-center z-50 p-4">
  <div class="bg-slate-800 rounded-lg border border-slate-700 p-4 sm:p-6 max-w-md w-full max-h-[90vh] overflow-y-auto">
    <h3 class="text-xl font-semibold text-white mb-4">Create Storage Pool</h3>
    <form id="create-pool-form" onsubmit="createPool(event)" class="space-y-4">
      <div>
        <label class="block text-sm font-medium text-slate-300 mb-1">Pool Name</label>
        <input type="text" name="name" required class="w-full px-3 py-2 bg-slate-900 border border-slate-700 rounded text-white text-sm focus:outline-none focus:ring-2 focus:ring-blue-600">
      </div>
      <div>
        <label class="block text-sm font-medium text-slate-300 mb-1">VDEVs (comma-separated)</label>
        <input type="text" name="vdevs" placeholder="/dev/sdb,/dev/sdc" required class="w-full px-3 py-2 bg-slate-900 border border-slate-700 rounded text-white text-sm focus:outline-none focus:ring-2 focus:ring-blue-600">
        <p class="text-xs text-slate-400 mt-1">Enter device paths separated by commas</p>
      </div>
      <div class="flex gap-2 justify-end">
        <button type="button" onclick="closeModal('create-pool-modal')" class="px-4 py-2 bg-slate-700 hover:bg-slate-600 text-white rounded text-sm">
          Cancel
        </button>
        <button type="submit" class="px-4 py-2 bg-blue-600 hover:bg-blue-700 text-white rounded text-sm">
          Create
        </button>
      </div>
    </form>
  </div>
</div>

<!-- Import Pool Modal -->
<div id="import-pool-modal" class="hidden fixed inset-0 bg-black/50 flex items-center justify-center z-50 p-4">
  <div class="bg-slate-800 rounded-lg border border-slate-700 p-4 sm:p-6 max-w-md w-full max-h-[90vh] overflow-y-auto">
    <h3 class="text-xl font-semibold text-white mb-4">Import Storage Pool</h3>
    <form id="import-pool-form" onsubmit="importPool(event)" class="space-y-4">
      <div>
        <label class="block text-sm font-medium text-slate-300 mb-1">Pool Name</label>
        <select name="name" id="import-pool-select" required class="w-full px-3 py-2 bg-slate-900 border border-slate-700 rounded text-white text-sm focus:outline-none focus:ring-2 focus:ring-blue-600">
          <option value="">Loading available pools...</option>
        </select>
      </div>
      <div class="flex items-center gap-2">
        <input type="checkbox" name="readonly" id="import-readonly" class="w-4 h-4 text-blue-600 bg-slate-900 border-slate-700 rounded">
        <label for="import-readonly" class="text-sm text-slate-300">Import as read-only</label>
      </div>
      <div class="flex gap-2 justify-end">
        <button type="button" onclick="closeModal('import-pool-modal')" class="px-4 py-2 bg-slate-700 hover:bg-slate-600 text-white rounded text-sm">
          Cancel
        </button>
        <button type="submit" class="px-4 py-2 bg-blue-600 hover:bg-blue-700 text-white rounded text-sm">
          Import
        </button>
      </div>
    </form>
  </div>
</div>

<!-- Create Dataset Modal -->
<div id="create-dataset-modal" class="hidden fixed inset-0 bg-black/50 flex items-center justify-center z-50 p-4">
  <div class="bg-slate-800 rounded-lg border border-slate-700 p-4 sm:p-6 max-w-md w-full max-h-[90vh] overflow-y-auto">
    <h3 class="text-xl font-semibold text-white mb-4">Create Dataset</h3>
    <form id="create-dataset-form" onsubmit="createDataset(event)" class="space-y-4">
      <div>
        <label class="block text-sm font-medium text-slate-300 mb-1">Dataset Name</label>
        <input type="text" name="name" placeholder="pool/dataset" required class="w-full px-3 py-2 bg-slate-900 border border-slate-700 rounded text-white text-sm focus:outline-none focus:ring-2 focus:ring-blue-600">
      </div>
      <div>
        <label class="block text-sm font-medium text-slate-300 mb-1">Quota (optional)</label>
        <input type="text" name="quota" placeholder="10G" class="w-full px-3 py-2 bg-slate-900 border border-slate-700 rounded text-white text-sm focus:outline-none focus:ring-2 focus:ring-blue-600">
      </div>
      <div>
        <label class="block text-sm font-medium text-slate-300 mb-1">Compression (optional)</label>
        <select name="compression" class="w-full px-3 py-2 bg-slate-900 border border-slate-700 rounded text-white text-sm focus:outline-none focus:ring-2 focus:ring-blue-600">
          <option value="">None</option>
          <option value="lz4">lz4</option>
          <option value="zstd">zstd</option>
          <option value="gzip">gzip</option>
        </select>
      </div>
      <div class="flex gap-2 justify-end">
        <button type="button" onclick="closeModal('create-dataset-modal')" class="px-4 py-2 bg-slate-700 hover:bg-slate-600 text-white rounded text-sm">
          Cancel
        </button>
        <button type="submit" class="px-4 py-2 bg-blue-600 hover:bg-blue-700 text-white rounded text-sm">
          Create
        </button>
      </div>
    </form>
  </div>
</div>

<!-- Edit Dataset Modal -->
<div id="edit-dataset-modal" class="hidden fixed inset-0 bg-black/50 flex items-center justify-center z-50 p-4">
  <div class="bg-slate-800 rounded-lg border border-slate-700 p-4 sm:p-6 max-w-md w-full max-h-[90vh] overflow-y-auto">
    <h3 class="text-xl font-semibold text-white mb-4">Edit Dataset</h3>
    <form id="edit-dataset-form" onsubmit="updateDataset(event)" class="space-y-4">
      <input type="hidden" id="edit-dataset-name" name="name">
      <div>
        <label class="block text-sm font-medium text-slate-300 mb-1">Dataset Name</label>
        <input type="text" id="edit-dataset-name-display" readonly class="w-full px-3 py-2 bg-slate-900 border border-slate-700 rounded text-white text-sm opacity-75 cursor-not-allowed">
      </div>
      <div>
        <label class="block text-sm font-medium text-slate-300 mb-1">Quota (optional)</label>
        <input type="text" id="edit-dataset-quota" name="quota" placeholder="10G, 1T, or 'none' to remove" class="w-full px-3 py-2 bg-slate-900 border border-slate-700 rounded text-white text-sm focus:outline-none focus:ring-2 focus:ring-blue-600">
        <p class="text-xs text-slate-400 mt-1">Leave empty to keep current quota. Use 'none' to remove quota.</p>
      </div>
      <div>
        <label class="block text-sm font-medium text-slate-300 mb-1">Compression (optional)</label>
        <select id="edit-dataset-compression" name="compression" class="w-full px-3 py-2 bg-slate-900 border border-slate-700 rounded text-white text-sm focus:outline-none focus:ring-2 focus:ring-blue-600">
          <option value="">Keep current</option>
          <option value="off">off</option>
          <option value="lz4">lz4</option>
          <option value="zstd">zstd</option>
          <option value="gzip">gzip</option>
          <option value="gzip-1">gzip-1</option>
          <option value="gzip-9">gzip-9</option>
        </select>
      </div>
      <div class="flex gap-2 justify-end">
        <button type="button" onclick="closeModal('edit-dataset-modal')" class="px-4 py-2 bg-slate-700 hover:bg-slate-600 text-white rounded text-sm">
          Cancel
        </button>
        <button type="submit" class="px-4 py-2 bg-blue-600 hover:bg-blue-700 text-white rounded text-sm">
          Update
        </button>
      </div>
    </form>
  </div>
</div>

<!-- Create Storage Volume Modal -->
<div id="create-zvol-modal" class="hidden fixed inset-0 bg-black/50 flex items-center justify-center z-50 p-4">
  <div class="bg-slate-800 rounded-lg border border-slate-700 p-4 sm:p-6 max-w-md w-full max-h-[90vh] overflow-y-auto">
    <h3 class="text-xl font-semibold text-white mb-4">Create Storage Volume</h3>
    <form id="create-zvol-form" onsubmit="createZVOL(event)" class="space-y-4">
      <div>
        <label class="block text-sm font-medium text-slate-300 mb-1">Volume Name</label>
        <input type="text" name="name" placeholder="pool/zvol" required class="w-full px-3 py-2 bg-slate-900 border border-slate-700 rounded text-white text-sm focus:outline-none focus:ring-2 focus:ring-blue-600">
      </div>
      <div>
        <label class="block text-sm font-medium text-slate-300 mb-1">Size</label>
        <input type="text" name="size" placeholder="10G" required class="w-full px-3 py-2 bg-slate-900 border border-slate-700 rounded text-white text-sm focus:outline-none focus:ring-2 focus:ring-blue-600">
      </div>
      <div class="flex gap-2 justify-end">
        <button type="button" onclick="closeModal('create-zvol-modal')" class="px-4 py-2 bg-slate-700 hover:bg-slate-600 text-white rounded text-sm">
          Cancel
        </button>
        <button type="submit" class="px-4 py-2 bg-blue-600 hover:bg-blue-700 text-white rounded text-sm">
          Create
        </button>
      </div>
    </form>
  </div>
</div>

<script>
  // Check authentication on page load
  (function() {
    const token = localStorage.getItem('atlas_token');
    if (!token) {
      // No token, redirect to login
      window.location.href = '/login?return=' + encodeURIComponent(window.location.pathname);
      return;
    }
  })();

let currentTab = 'pools';

function switchTab(tab) {
  currentTab = tab;
  // Update tab buttons
  document.querySelectorAll('.tab-button').forEach(btn => {
    btn.classList.remove('border-blue-600', 'text-blue-400');
    btn.classList.add('border-transparent', 'text-slate-400');
  });
  document.getElementById(`tab-${tab}`).classList.remove('border-transparent', 'text-slate-400');
  document.getElementById(`tab-${tab}`).classList.add('border-blue-600', 'text-blue-400');

  // Update content
  document.querySelectorAll('.tab-content').forEach(content => {
    content.classList.add('hidden');
  });
  document.getElementById(`content-${tab}`).classList.remove('hidden');

  // Load data for the tab
  if (tab === 'pools') loadPools();
  else if (tab === 'datasets') loadDatasets();
  else if (tab === 'zvols') loadZVOLs();
  else if (tab === 'disks') loadDisks();
}

function formatBytes(bytes) {
  if (!bytes || bytes === 0) return '0 B';
  const k = 1024;
  const sizes = ['B', 'KB', 'MB', 'GB', 'TB', 'PB'];
  const i = Math.floor(Math.log(bytes) / Math.log(k));
  return Math.round(bytes / Math.pow(k, i) * 100) / 100 + ' ' + sizes[i];
}

function getAuthHeaders() {
  const token = localStorage.getItem('atlas_token');
  const headers = {
    'Content-Type': 'application/json'
  };
  // Only add Authorization header if token exists (for mutations)
  if (token) {
    headers['Authorization'] = `Bearer ${token}`;
  }
  return headers;
}

async function loadPools() {
  try {
    const listEl = document.getElementById('pools-list');
    if (!listEl) {
      console.error('pools-list element not found');
      return;
    }
    
    // Add cache-busting to ensure fresh data
    const authHeaders = getAuthHeaders();
    const headers = {
      'Cache-Control': 'no-cache',
      'Pragma': 'no-cache'
    };
    // Merge auth headers
    Object.assign(headers, authHeaders);
    
    const res = await fetch('/api/v1/pools?_=' + Date.now(), { 
      headers: headers
    });
    
    console.log('API response status:', res.status, res.statusText);
    
    let data = null;
    try {
      const text = await res.text();
      console.log('API response text:', text.substring(0, 200));
      data = JSON.parse(text);
      console.log('Parsed data:', data);
    } catch (jsonErr) {
      console.error('JSON parse error:', jsonErr);
      listEl.innerHTML = '<p class="text-red-400 text-sm">Error: Failed to parse response</p>';
      return;
    }
    
    // Handle HTTP errors
    if (!res.ok) {
      let errorMsg = `HTTP ${res.status}: Failed to load pools`;
      if (data) {
        if (data.message) {
          errorMsg = data.message;
          if (data.details) errorMsg += ': ' + data.details;
        } else if (data.error) {
          errorMsg = data.error;
          if (data.details) errorMsg += ': ' + data.details;
        }
      }
      listEl.innerHTML = `<p class="text-red-400 text-sm">Error: ${errorMsg}</p>`;
      return;
    }
    
    // Handle invalid response format
    if (!data) {
      listEl.innerHTML = '<p class="text-red-400 text-sm">Error: Invalid response (no data)</p>';
      return;
    }
    
    // Check if data is an array
    if (!Array.isArray(data)) {
      // Log the actual response for debugging
      console.error('Invalid response format:', data);
      let errorMsg = 'Invalid response format: expected array';
      if (data.message) {
        errorMsg = data.message;
        if (data.details) errorMsg += ': ' + data.details;
      } else if (data.error) {
        errorMsg = data.error;
        if (data.details) errorMsg += ': ' + data.details;
      }
      listEl.innerHTML = `<p class="text-red-400 text-sm">Error: ${errorMsg}</p>`;
      return;
    }
    
    const pools = data;
    console.log('Pools array:', pools, 'Length:', pools.length);
    
    if (pools.length === 0) {
      console.log('No pools found, showing empty message');
      listEl.innerHTML = '<p class="text-slate-400 text-sm">No pools found. Create a pool to get started.</p>';
      return;
    }

    console.log('Rendering pools list...');
    listEl.innerHTML = pools.map(pool => `
      <div class="border-b border-slate-700 last:border-0 py-4">
        <div class="flex items-center justify-between">
          <div class="flex-1">
            <div class="flex items-center gap-3 mb-2">
              <h3 class="text-lg font-semibold text-white">${pool.name}</h3>
              <span class="px-2 py-1 rounded text-xs font-medium ${
                pool.health === 'ONLINE' ? 'bg-green-900 text-green-300' :
                pool.health === 'DEGRADED' ? 'bg-yellow-900 text-yellow-300' :
                'bg-red-900 text-red-300'
              }">${pool.health}</span>
            </div>
            <div class="grid grid-cols-3 gap-4 text-sm">
              <div>
                <span class="text-slate-400">Size:</span>
                <span class="text-white ml-2">${formatBytes(pool.size)}</span>
              </div>
              <div>
                <span class="text-slate-400">Used:</span>
                <span class="text-white ml-2">${formatBytes(pool.allocated)}</span>
              </div>
              <div>
                <span class="text-slate-400">Free:</span>
                <span class="text-white ml-2">${formatBytes(pool.free)}</span>
              </div>
            </div>
          </div>
          <div class="flex gap-2">
            <button onclick="startScrub('${pool.name}')" class="px-3 py-1.5 bg-slate-700 hover:bg-slate-600 text-white rounded text-sm">
              Scrub
            </button>
            <button onclick="exportPool('${pool.name}')" class="px-3 py-1.5 bg-yellow-600 hover:bg-yellow-700 text-white rounded text-sm">
              Export
            </button>
            <button onclick="deletePool('${pool.name}')" class="px-3 py-1.5 bg-red-600 hover:bg-red-700 text-white rounded text-sm">
              Delete
            </button>
          </div>
        </div>
      </div>
    `).join('');
    console.log('Pools list rendered successfully');
  } catch (err) {
    console.error('Error in loadPools:', err);
    const listEl = document.getElementById('pools-list');
    if (listEl) {
      listEl.innerHTML = `<p class="text-red-400 text-sm">Error: ${err.message || 'Failed to load pools'}</p>`;
    }
  }
}

async function loadDatasets() {
  try {
    const res = await fetch('/api/v1/datasets', { headers: getAuthHeaders() });
    if (!res.ok) {
      const err = await res.json().catch(() => ({ error: `HTTP ${res.status}` }));
      document.getElementById('datasets-list').innerHTML = `<p class="text-red-400 text-sm">Error: ${err.error || 'Failed to load datasets'}</p>`;
      return;
    }
    const datasets = await res.json();
    const listEl = document.getElementById('datasets-list');
    
    if (!Array.isArray(datasets)) {
      listEl.innerHTML = '<p class="text-red-400 text-sm">Error: Invalid response format</p>';
      return;
    }
    
    if (datasets.length === 0) {
      listEl.innerHTML = '<p class="text-slate-400 text-sm">No datasets found</p>';
      return;
    }

    listEl.innerHTML = datasets.map(ds => `
      <div class="border-b border-slate-700 last:border-0 py-4">
        <div class="flex items-center justify-between">
          <div class="flex-1">
            <h3 class="text-lg font-semibold text-white mb-1">${ds.name}</h3>
            ${ds.mountpoint ? `<p class="text-sm text-slate-400">${ds.mountpoint}</p>` : ''}
            <div class="text-xs text-slate-500 mt-1">
              Used: ${formatBytes(ds.used || 0)} | Available: ${formatBytes(ds.available || 0)}
            </div>
          </div>
          <div class="flex gap-2">
            <button onclick="showEditDatasetModal('${ds.name}')" class="px-3 py-1.5 bg-blue-600 hover:bg-blue-700 text-white rounded text-sm">
              Edit
            </button>
            <button onclick="deleteDataset('${ds.name}')" class="px-3 py-1.5 bg-red-600 hover:bg-red-700 text-white rounded text-sm">
              Delete
            </button>
          </div>
        </div>
      </div>
    `).join('');
  } catch (err) {
    document.getElementById('datasets-list').innerHTML = `<p class="text-red-400 text-sm">Error: ${err.message}</p>`;
  }
}

async function loadZVOLs() {
  try {
    const res = await fetch('/api/v1/zvols', { headers: getAuthHeaders() });
    if (!res.ok) {
      const err = await res.json().catch(() => ({ error: `HTTP ${res.status}` }));
      document.getElementById('zvols-list').innerHTML = `<p class="text-red-400 text-sm">Error: ${err.error || 'Failed to load volumes'}</p>`;
      return;
    }
    const zvols = await res.json();
    const listEl = document.getElementById('zvols-list');
    
    if (!Array.isArray(zvols)) {
      listEl.innerHTML = '<p class="text-red-400 text-sm">Error: Invalid response format</p>';
      return;
    }
    
    if (zvols.length === 0) {
      listEl.innerHTML = '<p class="text-slate-400 text-sm">No volumes found</p>';
      return;
    }

    listEl.innerHTML = zvols.map(zvol => `
      <div class="border-b border-slate-700 last:border-0 py-4">
        <div class="flex items-center justify-between">
          <div class="flex-1">
            <h3 class="text-lg font-semibold text-white mb-1">${zvol.name}</h3>
            <p class="text-sm text-slate-400">Size: ${formatBytes(zvol.size)}</p>
          </div>
          <button onclick="deleteZVOL('${zvol.name}')" class="px-3 py-1.5 bg-red-600 hover:bg-red-700 text-white rounded text-sm">
            Delete
          </button>
        </div>
      </div>
    `).join('');
  } catch (err) {
    document.getElementById('zvols-list').innerHTML = `<p class="text-red-400 text-sm">Error: ${err.message}</p>`;
  }
}

async function loadDisks() {
  try {
    const res = await fetch('/api/v1/disks', { headers: getAuthHeaders() });
    if (!res.ok) {
      const err = await res.json().catch(() => ({ error: `HTTP ${res.status}` }));
      document.getElementById('disks-list').innerHTML = `<p class="text-red-400 text-sm">Error: ${err.error || 'Failed to load disks'}</p>`;
      document.getElementById('disks-visual').innerHTML = `<p class="text-red-400 text-sm">Error: ${err.error || 'Failed to load disks'}</p>`;
      return;
    }
    const disks = await res.json();
    const listEl = document.getElementById('disks-list');
    const visualEl = document.getElementById('disks-visual');
    const summaryEl = document.getElementById('disks-summary');
    
    if (!Array.isArray(disks)) {
      listEl.innerHTML = '<p class="text-red-400 text-sm">Error: Invalid response format</p>';
      visualEl.innerHTML = '<p class="text-red-400 text-sm">Error: Invalid response format</p>';
      return;
    }
    
    if (disks.length === 0) {
      listEl.innerHTML = '<p class="text-slate-400 text-sm">No disks found</p>';
      visualEl.innerHTML = '<p class="text-slate-400 text-sm">No disks found</p>';
      summaryEl.textContent = 'No disks available';
      return;
    }

    // Update summary
    summaryEl.textContent = `Disk: ${disks.length}`;

    // Visual disk blocks (like QNAP) - using slate theme with numbered slots
    visualEl.innerHTML = disks.map((disk, index) => {
      const slotNumber = index + 1;
      const isAvailable = disk.status === 'available';
      
      // Set colors based on availability
      const statusColor = isAvailable ? 'bg-slate-700' : 'bg-slate-800';
      const statusBorder = isAvailable ? 'border-slate-500' : 'border-slate-600';
      const statusIndicator = isAvailable ? 'bg-green-500' : 'bg-red-500';
      const statusText = isAvailable ? 'Available' : 'Unavailable';
      const cursorClass = isAvailable ? 'cursor-pointer' : 'cursor-not-allowed opacity-75';
      const hoverClass = isAvailable ? 'hover:scale-105 hover:shadow-xl hover:shadow-blue-500/20 hover:-translate-y-1 hover:border-blue-500' : '';
      
      return `
        <div class="group relative">
          <div class="disk-block ${statusColor} ${statusBorder} border-2 rounded-xl p-4 min-w-[140px] ${cursorClass} transition-all duration-200 ${hoverClass}" 
               title="Slot ${slotNumber}\n${disk.name}\n${disk.size || 'Unknown size'}\n${disk.path || `/dev/${disk.name}`}\nStatus: ${statusText}"
               ${isAvailable ? `onclick="selectDisk('${disk.name}')"` : ''}>
            <!-- Slot Number Badge -->
            <div class="absolute -top-2 -left-2 w-8 h-8 rounded-full ${isAvailable ? 'bg-blue-600' : 'bg-slate-600'} border-2 border-slate-800 flex items-center justify-center text-white font-bold text-xs shadow-lg z-10">
              ${slotNumber}
            </div>
            
            <!-- Disk Icon Container -->
            <div class="flex flex-col items-center justify-center pt-2">
              <div class="w-20 h-20 rounded-xl bg-gradient-to-br ${isAvailable ? 'from-slate-600 to-slate-700' : 'from-slate-700 to-slate-800'} flex items-center justify-center mb-3 border-2 border-slate-500/50 ${isAvailable ? 'group-hover:border-blue-500/70 group-hover:from-blue-600/30 group-hover:to-slate-700' : ''} transition-all shadow-inner">
                <!-- Disk Icon -->
                ${isAvailable ? `
                  <svg class="w-12 h-12 text-slate-200 group-hover:text-blue-400 transition-colors" fill="currentColor" viewBox="0 0 20 20">
                    <path d="M4 3a2 2 0 100 4h12a2 2 0 100-4H4z"></path>
                    <path fill-rule="evenodd" d="M3 8h14v7a2 2 0 01-2 2H5a2 2 0 01-2-2V8zm5 3a1 1 0 011-1h2a1 1 0 110 2H9a1 1 0 01-1-1z" clip-rule="evenodd"></path>
                  </svg>
                ` : `
                  <svg class="w-12 h-12 text-red-400 transition-colors" fill="currentColor" viewBox="0 0 20 20">
                    <path fill-rule="evenodd" d="M13.477 14.89A6 6 0 015.11 6.524l8.367 8.368zm1.414-1.414L6.524 5.11a6 6 0 018.367 8.367zM18 10a8 8 0 11-16 0 8 8 0 0116 0z" clip-rule="evenodd"></path>
                  </svg>
                `}
              </div>
              
              <!-- Device Name -->
              <div class="text-center w-full">
                <div class="${isAvailable ? 'text-slate-100 group-hover:text-blue-400' : 'text-slate-400'} font-bold text-base mb-1 transition-colors font-mono">
                  ${disk.name}
                </div>
                ${disk.health_status ? `
                  <div class="mb-1">
                    <span class="px-1.5 py-0.5 rounded text-xs font-medium ${
                      disk.health_status === 'healthy' ? 'bg-green-600 text-white' :
                      disk.health_status === 'failed' ? 'bg-red-600 text-white' :
                      'bg-yellow-600 text-white'
                    }">${disk.health_status === 'healthy' ? '✓ Healthy' : disk.health_status === 'failed' ? '✗ Failed' : '? Unknown'}</span>
                  </div>
                ` : ''}
                <div class="${isAvailable ? 'text-slate-300' : 'text-slate-500'} text-xs font-semibold mb-1">
                  ${disk.size || 'N/A'}
                </div>
                <div class="${isAvailable ? 'text-slate-400' : 'text-slate-600'} text-xs font-mono">
                  ${disk.path || `/dev/${disk.name}`}
                </div>
                <div class="text-xs font-semibold mt-1 ${isAvailable ? 'text-green-400' : 'text-red-400'}">
                  ${statusText}
                </div>
              </div>
            </div>
            
            <!-- Status indicator -->
            <div class="absolute top-2 right-2">
              <div class="w-3 h-3 ${statusIndicator} rounded-full shadow-md border-2 border-slate-800 ${isAvailable ? 'animate-pulse' : ''}"></div>
            </div>
          </div>
        </div>
      `;
    }).join('');

    // Detailed disk list with slot numbers
    listEl.innerHTML = disks.map((disk, index) => {
      const isAvailable = disk.status === 'available';
      const status = isAvailable ? 'Available' : 'Unavailable';
      const statusColor = isAvailable ? 'bg-green-600 text-white' : 'bg-red-600 text-white';
      const diskPath = disk.path || `/dev/${disk.name}`;
      const slotNumber = index + 1;
      
      return `
        <div class="border-b border-slate-700 last:border-0 py-4 hover:bg-slate-750 transition-colors" data-disk-name="${disk.name}">
          <div class="flex items-center justify-between">
            <div class="flex items-center gap-4 flex-1">
              <!-- Slot Number Badge -->
              <div class="w-12 h-12 rounded-lg bg-blue-600 border-2 border-slate-700 flex items-center justify-center flex-shrink-0 font-bold text-white text-lg shadow-lg">
                ${slotNumber}
              </div>
              
              <!-- Disk Icon -->
              <div class="w-12 h-12 rounded-lg ${isAvailable ? 'bg-slate-700 border-slate-600' : 'bg-slate-800 border-slate-700 opacity-60'} border flex items-center justify-center flex-shrink-0">
                ${isAvailable ? `
                  <svg class="w-6 h-6 text-slate-300" fill="currentColor" viewBox="0 0 20 20">
                    <path d="M4 3a2 2 0 100 4h12a2 2 0 100-4H4z"></path>
                    <path fill-rule="evenodd" d="M3 8h14v7a2 2 0 01-2 2H5a2 2 0 01-2-2V8zm5 3a1 1 0 011-1h2a1 1 0 110 2H9a1 1 0 01-1-1z" clip-rule="evenodd"></path>
                  </svg>
                ` : `
                  <svg class="w-6 h-6 text-red-400" fill="currentColor" viewBox="0 0 20 20">
                    <path fill-rule="evenodd" d="M13.477 14.89A6 6 0 015.11 6.524l8.367 8.368zm1.414-1.414L6.524 5.11a6 6 0 018.367 8.367zM18 10a8 8 0 11-16 0 8 8 0 0116 0z" clip-rule="evenodd"></path>
                  </svg>
                `}
              </div>
              
              <!-- Disk Info -->
              <div class="flex-1">
                <div class="flex items-center gap-3 mb-2">
                  <h3 class="text-lg font-semibold ${isAvailable ? 'text-white' : 'text-slate-400'} font-mono">${disk.name}</h3>
                  <span class="px-2 py-1 rounded text-xs font-medium ${statusColor}">${status}</span>
                  <span class="text-xs ${isAvailable ? 'text-slate-500' : 'text-slate-600'} font-mono">${diskPath}</span>
                </div>
                <div class="grid grid-cols-2 md:grid-cols-3 gap-4 text-sm">
                  ${disk.size ? `
                    <div>
                      <span class="text-slate-400">Size:</span>
                      <span class="text-white ml-2 font-medium">${disk.size}</span>
                    </div>
                  ` : ''}
                  ${disk.model ? `
                    <div>
                      <span class="text-slate-400">Model:</span>
                      <span class="text-white ml-2">${disk.model}</span>
                    </div>
                  ` : ''}
                  <div>
                    <span class="text-slate-400">Slot:</span>
                    <span class="text-white ml-2 font-semibold">#${slotNumber}</span>
                  </div>
                  ${disk.health_status ? `
                    <div>
                      <span class="text-slate-400">Health:</span>
                      <span class="ml-2 px-2 py-0.5 rounded text-xs font-medium ${
                        disk.health_status === 'healthy' ? 'bg-green-600 text-white' :
                        disk.health_status === 'failed' ? 'bg-red-600 text-white' :
                        'bg-yellow-600 text-white'
                      }">${disk.health_status === 'healthy' ? 'Healthy' : disk.health_status === 'failed' ? 'Failed' : 'Unknown'}</span>
                    </div>
                  ` : ''}
                  ${disk.health_temperature ? `
                    <div>
                      <span class="text-slate-400">Temp:</span>
                      <span class="text-white ml-2">${disk.health_temperature}</span>
                    </div>
                  ` : ''}
                  ${disk.health_power_on_hours ? `
                    <div>
                      <span class="text-slate-400">Power On:</span>
                      <span class="text-white ml-2">${parseInt(disk.health_power_on_hours).toLocaleString()}h</span>
                    </div>
                  ` : ''}
                </div>
              </div>
            </div>
            
            <!-- Actions -->
            <div class="flex gap-2">
              <button ${isAvailable ? `onclick="useDiskForPool('${diskPath}')"` : 'disabled'} 
                      class="px-3 py-1.5 ${isAvailable ? 'bg-blue-600 hover:bg-blue-700 text-white cursor-pointer' : 'bg-slate-600 text-slate-400 cursor-not-allowed'} rounded text-sm transition-colors">
                Use for Pool
              </button>
            </div>
          </div>
        </div>
      `;
    }).join('');
  } catch (err) {
    document.getElementById('disks-list').innerHTML = `<p class="text-red-400 text-sm">Error: ${err.message}</p>`;
    document.getElementById('disks-visual').innerHTML = `<p class="text-red-400 text-sm">Error: ${err.message}</p>`;
  }
}

function selectDisk(diskName) {
  // Scroll to disk in detailed list
  const diskElement = document.querySelector(`[data-disk-name="${diskName}"]`);
  if (diskElement) {
    diskElement.scrollIntoView({ behavior: 'smooth', block: 'center' });
    diskElement.classList.add('ring-2', 'ring-blue-500');
    setTimeout(() => {
      diskElement.classList.remove('ring-2', 'ring-blue-500');
    }, 2000);
  }
}

function useDiskForPool(diskPath) {
  // Open create pool modal and pre-fill with this disk
  showCreatePoolModal();
  const vdevsInput = document.querySelector('#create-pool-form input[name="vdevs"]');
  if (vdevsInput) {
    const currentValue = vdevsInput.value.trim();
    if (currentValue) {
      vdevsInput.value = currentValue + ',' + diskPath;
    } else {
      vdevsInput.value = diskPath;
    }
    vdevsInput.focus();
  }
}

function showCreatePoolModal() {
  document.getElementById('create-pool-modal').classList.remove('hidden');
}

function showImportPoolModal() {
  document.getElementById('import-pool-modal').classList.remove('hidden');
  loadAvailablePools();
}

function showCreateDatasetModal() {
  document.getElementById('create-dataset-modal').classList.remove('hidden');
}

async function showEditDatasetModal(datasetName) {
  // Load dataset details first
  try {
    const res = await fetch(`/api/v1/datasets/${encodeURIComponent(datasetName)}`, { headers: getAuthHeaders() });
    if (!res.ok) {
      alert('Failed to load dataset details');
      return;
    }
    const dataset = await res.json();
    
    // Populate form
    document.getElementById('edit-dataset-name').value = dataset.name;
    document.getElementById('edit-dataset-name-display').value = dataset.name;
    
    // Get current quota and compression from dataset properties
    // Note: These might not be in the response, so we'll leave them empty
    document.getElementById('edit-dataset-quota').value = '';
    document.getElementById('edit-dataset-compression').value = '';
    
    // Show modal
    document.getElementById('edit-dataset-modal').classList.remove('hidden');
  } catch (err) {
    alert(`Error: ${err.message}`);
  }
}

function showCreateZVOLModal() {
  document.getElementById('create-zvol-modal').classList.remove('hidden');
}

function closeModal(modalId) {
  document.getElementById(modalId).classList.add('hidden');
}

async function loadAvailablePools() {
  try {
    const res = await fetch('/api/v1/pools/available', { headers: getAuthHeaders() });
    const data = await res.json();
    const select = document.getElementById('import-pool-select');
    select.innerHTML = '<option value="">Select a pool...</option>';
    if (data.pools && data.pools.length > 0) {
      data.pools.forEach(pool => {
        const option = document.createElement('option');
        option.value = pool;
        option.textContent = pool;
        select.appendChild(option);
      });
    } else {
      select.innerHTML = '<option value="">No pools available for import</option>';
    }
  } catch (err) {
    console.error('Error loading available pools:', err);
  }
}

async function createPool(e) {
  e.preventDefault();
  const formData = new FormData(e.target);
  const vdevs = formData.get('vdevs').split(',').map(v => v.trim()).filter(v => v);
  
  try {
    const res = await fetch('/api/v1/pools', {
      method: 'POST',
      headers: getAuthHeaders(),
      body: JSON.stringify({
        name: formData.get('name'),
        vdevs: vdevs
      })
    });
    
    const data = await res.json().catch(() => null);
    
    // Always refresh pool list after creation attempt, regardless of response
    // Wait a moment for pool creation to complete
    await new Promise(resolve => setTimeout(resolve, 1000));
    await loadPools();
    
    if (res.ok) {
      closeModal('create-pool-modal');
      e.target.reset();
      alert('Pool created successfully');
    } else {
      // Check if pool appears in the list (might have been created despite error)
      // Handle both error formats: APIError {code, message, details} or simple {error, details}
      let errMsg = 'Failed to create pool';
      if (data) {
        if (data.message) {
          // APIError format
          errMsg = data.message;
          if (data.details) {
            errMsg += ': ' + data.details;
          }
        } else if (data.error) {
          // Simple error format
          errMsg = data.error;
          if (data.details) {
            errMsg += ': ' + data.details;
          }
        }
      }
      alert(`Error: ${errMsg}\n\nNote: The pool list has been refreshed. Please check if the pool was created.`);
    }
  } catch (err) {
    // On network error, still try to refresh to see if pool was created
    await new Promise(resolve => setTimeout(resolve, 1000));
    await loadPools();
    alert(`Error: ${err.message}`);
  }
}

async function importPool(e) {
  e.preventDefault();
  const formData = new FormData(e.target);
  const options = {};
  if (formData.get('readonly')) {
    options.readonly = 'on';
  }
  
  try {
    const res = await fetch('/api/v1/pools/import', {
      method: 'POST',
      headers: getAuthHeaders(),
      body: JSON.stringify({
        name: formData.get('name'),
        options: options
      })
    });
    
    if (res.ok) {
      closeModal('import-pool-modal');
      e.target.reset();
      loadPools();
      alert('Pool imported successfully');
    } else {
      const err = await res.json();
      alert(`Error: ${err.error || 'Failed to import pool'}`);
    }
  } catch (err) {
    alert(`Error: ${err.message}`);
  }
}

async function createDataset(e) {
  e.preventDefault();
  const formData = new FormData(e.target);
  const data = { name: formData.get('name') };
  if (formData.get('quota')) data.quota = formData.get('quota');
  if (formData.get('compression')) data.compression = formData.get('compression');
  
  try {
    const res = await fetch('/api/v1/datasets', {
      method: 'POST',
      headers: getAuthHeaders(),
      body: JSON.stringify(data)
    });
    
    if (res.ok) {
      closeModal('create-dataset-modal');
      e.target.reset();
      loadDatasets();
      alert('Dataset created successfully');
    } else {
      const data = await res.json();
      let errMsg = 'Failed to create dataset';
      if (data) {
        if (data.message) {
          errMsg = data.message;
          if (data.details) {
            errMsg += ': ' + data.details;
          }
        } else if (data.error) {
          errMsg = data.error;
        }
      }
      alert(`Error: ${errMsg}`);
    }
  } catch (err) {
    alert(`Error: ${err.message}`);
  }
}

async function updateDataset(e) {
  e.preventDefault();
  const formData = new FormData(e.target);
  const datasetName = formData.get('name');
  const data = {};
  
  if (formData.get('quota')) {
    data.quota = formData.get('quota');
  }
  if (formData.get('compression')) {
    data.compression = formData.get('compression');
  }
  
  try {
    const res = await fetch(`/api/v1/datasets/${encodeURIComponent(datasetName)}`, {
      method: 'PUT',
      headers: getAuthHeaders(),
      body: JSON.stringify(data)
    });
    
    if (res.ok) {
      closeModal('edit-dataset-modal');
      e.target.reset();
      loadDatasets();
      alert('Dataset updated successfully');
    } else {
      const data = await res.json();
      let errMsg = 'Failed to update dataset';
      if (data) {
        if (data.message) {
          errMsg = data.message;
          if (data.details) {
            errMsg += ': ' + data.details;
          }
        } else if (data.error) {
          errMsg = data.error;
        }
      }
      alert(`Error: ${errMsg}`);
    }
  } catch (err) {
    alert(`Error: ${err.message}`);
  }
}

async function createZVOL(e) {
  e.preventDefault();
  const formData = new FormData(e.target);
  
  try {
    const res = await fetch('/api/v1/zvols', {
      method: 'POST',
      headers: getAuthHeaders(),
      body: JSON.stringify({
        name: formData.get('name'),
        size: formData.get('size')
      })
    });
    
    if (res.ok) {
      closeModal('create-zvol-modal');
      e.target.reset();
      loadZVOLs();
      alert('Storage volume created successfully');
    } else {
      const err = await res.json();
      alert(`Error: ${err.error || 'Failed to create storage volume'}`);
    }
  } catch (err) {
    alert(`Error: ${err.message}`);
  }
}

async function deletePool(name) {
  if (!confirm(`Are you sure you want to delete pool "${name}"? This will destroy all data!`)) return;
  
  try {
    const res = await fetch(`/api/v1/pools/${name}`, {
      method: 'DELETE',
      headers: getAuthHeaders()
    });
    
    if (res.ok) {
      // Wait a moment for the deletion to fully complete, then refresh
      await new Promise(resolve => setTimeout(resolve, 500));
      await loadPools();
      alert('Pool deleted successfully');
    } else {
      const err = await res.json();
      alert(`Error: ${err.error || 'Failed to delete pool'}`);
    }
  } catch (err) {
    alert(`Error: ${err.message}`);
  }
}

async function deleteDataset(name) {
  if (!confirm(`Are you sure you want to delete dataset "${name}"?`)) return;
  
  try {
    const res = await fetch(`/api/v1/datasets/${encodeURIComponent(name)}`, {
      method: 'DELETE',
      headers: getAuthHeaders()
    });
    
    if (res.ok) {
      loadDatasets();
      alert('Dataset deleted successfully');
    } else {
      const err = await res.json().catch(() => null);
      let errMsg = 'Failed to delete dataset';
      if (err) {
        if (err.message) {
          errMsg = err.message;
          if (err.details) errMsg += ': ' + err.details;
        } else if (err.error) {
          errMsg = err.error;
          if (err.details) errMsg += ': ' + err.details;
        }
      }
      alert(`Error: ${errMsg}`);
    }
  } catch (err) {
    alert(`Error: ${err.message}`);
  }
}

async function deleteZVOL(name) {
  if (!confirm(`Are you sure you want to delete storage volume "${name}"?`)) return;
  
  try {
    const res = await fetch(`/api/v1/zvols/${encodeURIComponent(name)}`, {
      method: 'DELETE',
      headers: getAuthHeaders()
    });
    
    if (res.ok) {
      loadZVOLs();
      alert('Storage volume deleted successfully');
    } else {
      const err = await res.json().catch(() => null);
      let errMsg = 'Failed to delete storage volume';
      if (err) {
        if (err.message) {
          errMsg = err.message;
          if (err.details) errMsg += ': ' + err.details;
        } else if (err.error) {
          errMsg = err.error;
          if (err.details) errMsg += ': ' + err.details;
        }
      }
      alert(`Error: ${errMsg}`);
    }
  } catch (err) {
    alert(`Error: ${err.message}`);
  }
}

async function startScrub(name) {
  try {
    const res = await fetch(`/api/v1/pools/${name}/scrub`, {
      method: 'POST',
      headers: getAuthHeaders(),
      body: JSON.stringify({})
    });
    
    if (res.ok) {
      alert('Scrub started successfully');
    } else {
      const err = await res.json();
      alert(`Error: ${err.error || 'Failed to start scrub'}`);
    }
  } catch (err) {
    alert(`Error: ${err.message}`);
  }
}

async function exportPool(name) {
  if (!confirm(`Are you sure you want to export pool "${name}"?`)) return;
  
  try {
    const res = await fetch(`/api/v1/pools/${name}/export`, {
      method: 'POST',
      headers: getAuthHeaders(),
      body: JSON.stringify({ force: false })
    });
    
    if (res.ok) {
      loadPools();
      alert('Pool exported successfully');
    } else {
      const err = await res.json();
      alert(`Error: ${err.error || 'Failed to export pool'}`);
    }
  } catch (err) {
    alert(`Error: ${err.message}`);
  }
}

// Load initial data when DOM is ready
(function() {
  function initLoad() {
    console.log('Initializing loadPools...');
    try {
      loadPools();
    } catch (err) {
      console.error('Error calling loadPools:', err);
    }
  }
  
  if (document.readyState === 'loading') {
    document.addEventListener('DOMContentLoaded', initLoad);
  } else {
    // DOM is already ready
    setTimeout(initLoad, 100); // Small delay to ensure DOM is fully ready
  }
})();
</script>
{{end}}

{{define "storage.html"}}
{{template "base" .}}
{{end}}