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/**

 * Model Status Widget

 * Displays AI model status with health indicators

 */

import { modelsClient } from '../core/models-client.js';

/**

 * Get models page path (works from any location)

 */
function getModelsPagePath() {
  const basePath = window.location.pathname.includes('/static/') 
    ? window.location.pathname.split('/static/')[0] + '/static'
    : '/static';
  return `${basePath}/pages/models/index.html`;
}

/**

 * Render model status widget

 */
export async function renderModelStatusWidget(containerId) {
  const container = document.getElementById(containerId);
  if (!container) {
    console.error(`Container ${containerId} not found`);
    return;
  }

  // Show loading state
  container.innerHTML = `

    <div class="model-status-widget loading">

      <div class="spinner"></div>

      <p>Loading AI models status...</p>

    </div>

  `;

  try {
    // Fetch models summary
    const summary = await modelsClient.getModelsSummary();
    
    if (!summary.ok) {
      container.innerHTML = `

        <div class="model-status-widget error">

          <h3>⚠️ Models Status</h3>

          <p class="error-message">${summary.error || 'Failed to load models'}</p>

          <p class="fallback-note">Using fallback sentiment analysis</p>

        </div>

      `;
      return;
    }

    const stats = summary.summary;
    
    // Render widget
    container.innerHTML = `

      <div class="model-status-widget">

        <div class="widget-header">

          <h3>🤖 AI Models</h3>

          <span class="hf-mode-badge">${stats.hf_mode}</span>

        </div>



        <div class="stats-grid">

          <div class="stat-card">

            <div class="stat-value">${stats.total_models}</div>

            <div class="stat-label">Total</div>

          </div>

          <div class="stat-card loaded">

            <div class="stat-value">${stats.loaded_models}</div>

            <div class="stat-label">Loaded</div>

          </div>

          <div class="stat-card ${stats.failed_models > 0 ? 'warning' : ''}">

            <div class="stat-value">${stats.failed_models}</div>

            <div class="stat-label">Failed</div>

          </div>

        </div>



        <div class="categories-section">

          <h4>Models by Category</h4>

          <div id="${containerId}-categories" class="categories-list"></div>

        </div>



        <div class="widget-footer">

          <button onclick="window.location.href=getModelsPagePath()" class="btn-view-all">

            View All Models →

          </button>

        </div>

      </div>

    `;

    // Render categories
    renderCategories(`${containerId}-categories`, summary.categories);

  } catch (error) {
    console.error('Error rendering model status widget:', error);
    container.innerHTML = `

      <div class="model-status-widget error">

        <h3>⚠️ Models Status</h3>

        <p class="error-message">Failed to load: ${error.message}</p>

      </div>

    `;
  }
}

/**

 * Render categories

 */
function renderCategories(containerId, categories) {
  const container = document.getElementById(containerId);
  if (!container || !categories) return;

  let html = '';
  
  for (const [category, models] of Object.entries(categories)) {
    const loaded = models.filter(m => m.loaded).length;
    const healthy = models.filter(m => m.status === 'healthy').length;
    
    html += `

      <div class="category-item">

        <div class="category-header">

          <span class="category-name">${formatCategoryName(category)}</span>

          <span class="category-count">${loaded}/${models.length}</span>

        </div>

        <div class="category-progress">

          <div class="progress-fill" style="width: ${(loaded / models.length * 100)}%"></div>

        </div>

      </div>

    `;
  }

  container.innerHTML = html;
}

/**

 * Format category name

 */
function formatCategoryName(category) {
  const names = {
    'sentiment_crypto': 'Crypto Sentiment',
    'sentiment_social': 'Social Sentiment',
    'sentiment_financial': 'Financial Sentiment',
    'sentiment_news': 'News Sentiment',
    'analysis_generation': 'AI Analysis',
    'trading_signal': 'Trading Signals',
    'summarization': 'Summarization',
    'legacy': 'Legacy'
  };
  
  return names[category] || category;
}

/**

 * CSS for model status widget (to be injected)

 */
export const modelStatusWidgetCSS = `

  .model-status-widget {

    background: rgba(255, 255, 255, 0.03);

    border: 1px solid rgba(255, 255, 255, 0.1);

    border-radius: 16px;

    padding: 1.5rem;

  }



  .model-status-widget.loading {

    text-align: center;

    padding: 2rem;

  }



  .model-status-widget.error {

    border-color: rgba(239, 68, 68, 0.3);

    background: rgba(239, 68, 68, 0.1);

  }



  .widget-header {

    display: flex;

    justify-content: space-between;

    align-items: center;

    margin-bottom: 1.5rem;

  }



  .widget-header h3 {

    margin: 0;

    font-size: 1.25rem;

    font-weight: 600;

  }



  .hf-mode-badge {

    padding: 0.25rem 0.75rem;

    background: rgba(45, 212, 191, 0.2);

    border: 1px solid rgba(45, 212, 191, 0.3);

    border-radius: 999px;

    font-size: 0.75rem;

    font-weight: 600;

    text-transform: uppercase;

  }



  .stats-grid {

    display: grid;

    grid-template-columns: repeat(3, 1fr);

    gap: 1rem;

    margin-bottom: 1.5rem;

  }



  .stat-card {

    text-align: center;

    padding: 1rem;

    background: rgba(0, 0, 0, 0.3);

    border-radius: 12px;

  }



  .stat-card.loaded {

    background: rgba(34, 197, 94, 0.1);

    border: 1px solid rgba(34, 197, 94, 0.2);

  }



  .stat-card.warning {

    background: rgba(239, 68, 68, 0.1);

    border: 1px solid rgba(239, 68, 68, 0.2);

  }



  .stat-value {

    font-size: 2rem;

    font-weight: 700;

    color: #2dd4bf;

  }



  .stat-label {

    font-size: 0.875rem;

    color: rgba(255, 255, 255, 0.6);

    margin-top: 0.25rem;

  }



  .categories-section h4 {

    font-size: 1rem;

    font-weight: 600;

    margin-bottom: 1rem;

    color: rgba(255, 255, 255, 0.8);

  }



  .categories-list {

    display: flex;

    flex-direction: column;

    gap: 0.75rem;

  }



  .category-item {

    padding: 0.75rem;

    background: rgba(0, 0, 0, 0.2);

    border-radius: 8px;

  }



  .category-header {

    display: flex;

    justify-content: space-between;

    margin-bottom: 0.5rem;

  }



  .category-name {

    font-weight: 500;

  }



  .category-count {

    color: rgba(255, 255, 255, 0.6);

    font-size: 0.875rem;

  }



  .category-progress {

    height: 4px;

    background: rgba(255, 255, 255, 0.1);

    border-radius: 999px;

    overflow: hidden;

  }



  .progress-fill {

    height: 100%;

    background: linear-gradient(90deg, #2dd4bf, #818cf8);

    transition: width 0.3s;

  }



  .widget-footer {

    margin-top: 1.5rem;

    text-align: center;

  }



  .btn-view-all {

    padding: 0.75rem 1.5rem;

    background: linear-gradient(135deg, #2dd4bf, #818cf8);

    border: none;

    border-radius: 8px;

    color: white;

    font-weight: 600;

    cursor: pointer;

    transition: transform 0.2s;

  }



  .btn-view-all:hover {

    transform: translateY(-2px);

  }



  .error-message {

    color: #fca5a5;

    margin: 0.5rem 0;

  }



  .fallback-note {

    color: rgba(255, 255, 255, 0.6);

    font-size: 0.875rem;

    margin-top: 0.5rem;

  }

`;