/**
 * Blog Pre-Publication Analysis
 * Framework-guided content review before publishing
 */

// Get auth token
function getAuthToken() {
  return localStorage.getItem('admin_token');
}

// Analyze blog post
async function analyzePost() {
  const title = document.getElementById('post-title').value.trim();
  const content = document.getElementById('post-content').value.trim();
  const category = document.getElementById('post-category').value;
  const tags = document.getElementById('post-tags').value;

  if (!title || !content) {
    alert('Please enter both title and content');
    return;
  }

  // Show loading state
  const analyzeBtn = document.getElementById('analyze-btn');
  analyzeBtn.disabled = true;
  analyzeBtn.innerHTML = '<svg class="animate-spin w-5 h-5 inline-block mr-2" fill="none" viewBox="0 0 24 24"><circle class="opacity-25" cx="12" cy="12" r="10" stroke="currentColor" stroke-width="4"></circle><path class="opacity-75" fill="currentColor" d="M4 12a8 8 0 018-8V0C5.373 0 0 5.373 0 12h4zm2 5.291A7.962 7.962 0 014 12H0c0 3.042 1.135 5.824 3 7.938l3-2.647z"></path></svg> Analyzing...';

  try {
    const response = await fetch('/api/admin/blog/analyze', {
      method: 'POST',
      headers: {
        'Authorization': `Bearer ${getAuthToken()}`,
        'Content-Type': 'application/json'
      },
      body: JSON.stringify({ title, content, category, tags })
    });

    const data = await response.json();

    if (data.success) {
      displayResults(data.analysis);
    } else {
      alert('Analysis failed: ' + (data.error || 'Unknown error'));
    }
  } catch (error) {
    console.error('Analysis error:', error);
    alert('Failed to analyze post. Please try again.');
  } finally {
    analyzeBtn.disabled = false;
    analyzeBtn.innerHTML = '<svg class="w-5 h-5 inline-block mr-2" fill="none" stroke="currentColor" viewBox="0 0 24 24"><path stroke-linecap="round" stroke-linejoin="round" stroke-width="2" d="M9 5H7a2 2 0 00-2 2v12a2 2 0 002 2h10a2 2 0 002-2V7a2 2 0 00-2-2h-2M9 5a2 2 0 002 2h2a2 2 0 002-2M9 5a2 2 0 012-2h2a2 2 0 012 2m-6 9l2 2 4-4"/></svg>Analyze with Framework';
  }
}

// Display analysis results
function displayResults(analysis) {
  const resultsSection = document.getElementById('results-section');
  resultsSection.classList.remove('hidden');

  // Overall recommendation
  const overallEl = document.getElementById('overall-recommendation');
  const recommendationClass =
    analysis.overall.decision === 'APPROVE' ? 'bg-green-50 border-green-300' :
    analysis.overall.decision === 'REVIEW' ? 'bg-yellow-50 border-yellow-300' :
    'bg-red-50 border-red-300';

  const recommendationIcon =
    analysis.overall.decision === 'APPROVE' ? '✅' :
    analysis.overall.decision === 'REVIEW' ? '⚠️' : '🚫';

  overallEl.className = `rounded-lg p-6 border-2 ${recommendationClass}`;
  overallEl.innerHTML = `
    <div class="flex items-start">
      <div class="text-4xl mr-4">${recommendationIcon}</div>
      <div class="flex-1">
        <h3 class="text-xl font-bold text-gray-900 mb-2">${analysis.overall.title}</h3>
        <p class="text-gray-700 mb-4">${analysis.overall.message}</p>
        ${analysis.overall.action ? `<p class="text-sm font-medium text-gray-800"><strong>Recommended Action:</strong> ${analysis.overall.action}</p>` : ''}
      </div>
    </div>
  `;

  // Sensitivity check
  const sensitivityEl = document.getElementById('sensitivity-result');
  sensitivityEl.innerHTML = renderCheckResult(analysis.sensitivity);

  // Compliance check
  const complianceEl = document.getElementById('compliance-result');
  complianceEl.innerHTML = renderCheckResult(analysis.compliance);

  // Audience analysis
  const audienceEl = document.getElementById('audience-result');
  audienceEl.innerHTML = renderAudienceAnalysis(analysis.audience);

  // Publication guidance
  const publicationEl = document.getElementById('publication-result');
  publicationEl.innerHTML = renderPublicationGuidance(analysis.publication);

  // Response templates
  const templatesEl = document.getElementById('response-templates');
  templatesEl.innerHTML = renderResponseTemplates(analysis.responseTemplates);

  // Apply dynamic widths using data attributes (CSP-compliant)
  applyDynamicStyles();

  // Setup template copy handlers
  setupTemplateCopyHandlers();

  // Scroll to results
  resultsSection.scrollIntoView({ behavior: 'smooth', block: 'start' });
}

// Apply dynamic styles using data attributes (CSP-compliant)
function applyDynamicStyles() {
  document.querySelectorAll('[data-width]').forEach(el => {
    const width = el.getAttribute('data-width');
    el.style.width = width + '%';
  });
}

// Render check result
function renderCheckResult(check) {
  const statusIcon = check.status === 'PASS' ? '✅' : check.status === 'WARN' ? '⚠️' : '❌';
  const statusColor = check.status === 'PASS' ? 'text-green-600' : check.status === 'WARN' ? 'text-yellow-600' : 'text-red-600';

  let html = `
    <div class="mb-3">
      <span class="${statusColor} font-semibold">${statusIcon} ${check.summary}</span>
    </div>
  `;

  if (check.details && check.details.length > 0) {
    html += '<ul class="list-disc list-inside space-y-1 text-gray-600">';
    check.details.forEach(detail => {
      html += `<li>${detail}</li>`;
    });
    html += '</ul>';
  }

  if (check.recommendation) {
    html += `<div class="mt-3 p-2 bg-gray-50 rounded border border-gray-200 text-xs">
      <strong>Recommendation:</strong> ${check.recommendation}
    </div>`;
  }

  return html;
}

// Render audience analysis
function renderAudienceAnalysis(audience) {
  let html = `<div class="space-y-3">`;

  if (audience.engagement) {
    html += `
      <div>
        <div class="text-xs font-medium text-gray-500 mb-1">Expected Engagement</div>
        <div class="flex items-center">
          <div class="flex-1 h-2 bg-gray-200 rounded-full">
            <div class="h-2 bg-blue-600 rounded-full" data-width="${audience.engagement.level}"></div>
          </div>
          <span class="ml-3 text-sm font-semibold">${audience.engagement.level}%</span>
        </div>
        <div class="text-xs text-gray-600 mt-1">${audience.engagement.description}</div>
      </div>
    `;
  }

  if (audience.similarPosts && audience.similarPosts.length > 0) {
    html += `
      <div>
        <div class="text-xs font-medium text-gray-500 mb-1">Similar Posts</div>
        <div class="text-xs text-gray-600">
          ${audience.similarPosts.map(post => `• ${post.title} (${post.views} views)`).join('<br>')}
        </div>
      </div>
    `;
  }

  html += `</div>`;
  return html;
}

// Render publication guidance
function renderPublicationGuidance(guidance) {
  let html = `<div class="space-y-3">`;

  if (guidance.timing) {
    html += `
      <div>
        <div class="text-xs font-medium text-gray-500 mb-1">Recommended Timing</div>
        <div class="text-sm text-gray-700">${guidance.timing}</div>
      </div>
    `;
  }

  if (guidance.monitoring) {
    html += `
      <div>
        <div class="text-xs font-medium text-gray-500 mb-1">Post-Publication Monitoring</div>
        <div class="text-sm text-gray-700">${guidance.monitoring}</div>
      </div>
    `;
  }

  if (guidance.actions && guidance.actions.length > 0) {
    html += `
      <div>
        <div class="text-xs font-medium text-gray-500 mb-1">Recommended Actions</div>
        <ul class="list-disc list-inside text-sm text-gray-700 space-y-1">
          ${guidance.actions.map(action => `<li>${action}</li>`).join('')}
        </ul>
      </div>
    `;
  }

  html += `</div>`;
  return html;
}

// Render response templates
function renderResponseTemplates(templates) {
  if (!templates || templates.length === 0) {
    return '<p class="text-sm text-gray-500 italic">No response templates generated</p>';
  }

  return templates.map((template, index) => `
    <div class="border border-gray-200 rounded-lg p-4 hover:border-blue-300 transition cursor-pointer template-card" data-template-index="${index}">
      <div class="flex items-start justify-between mb-2">
        <div class="font-medium text-gray-900">${template.scenario}</div>
        <button class="copy-template-btn text-xs text-blue-600 hover:text-blue-800">Copy</button>
      </div>
      <div class="text-sm text-gray-700 italic template-text">"${template.response}"</div>
    </div>
  `).join('');
}

// Copy template to clipboard
function setupTemplateCopyHandlers() {
  document.querySelectorAll('.copy-template-btn').forEach(btn => {
    btn.addEventListener('click', function(e) {
      e.stopPropagation();
      const card = this.closest('.template-card');
      const text = card.querySelector('.template-text').textContent.replace(/"/g, '');
      navigator.clipboard.writeText(text).then(() => {
        const originalText = this.textContent;
        this.textContent = 'Copied!';
        this.classList.add('text-green-600');
        setTimeout(() => {
          this.textContent = originalText;
          this.classList.remove('text-green-600');
        }, 2000);
      });
    });
  });
}

// Save as draft
async function saveDraft() {
  const title = document.getElementById('post-title').value.trim();
  const content = document.getElementById('post-content').value.trim();
  const category = document.getElementById('post-category').value;
  const tags = document.getElementById('post-tags').value;

  if (!title || !content) {
    alert('Please enter both title and content');
    return;
  }

  try {
    const response = await fetch('/api/admin/blog/draft', {
      method: 'POST',
      headers: {
        'Authorization': `Bearer ${getAuthToken()}`,
        'Content-Type': 'application/json'
      },
      body: JSON.stringify({ title, content, category, tags, status: 'draft' })
    });

    const data = await response.json();

    if (data.success) {
      alert('Draft saved successfully!');
    } else {
      alert('Failed to save draft: ' + (data.error || 'Unknown error'));
    }
  } catch (error) {
    console.error('Save draft error:', error);
    alert('Failed to save draft. Please try again.');
  }
}

// Publish post
async function publishPost() {
  if (!confirm('Are you sure you want to publish this post?')) {
    return;
  }

  const title = document.getElementById('post-title').value.trim();
  const content = document.getElementById('post-content').value.trim();
  const category = document.getElementById('post-category').value;
  const tags = document.getElementById('post-tags').value;

  try {
    const response = await fetch('/api/admin/blog/publish', {
      method: 'POST',
      headers: {
        'Authorization': `Bearer ${getAuthToken()}`,
        'Content-Type': 'application/json'
      },
      body: JSON.stringify({ title, content, category, tags, status: 'published' })
    });

    const data = await response.json();

    if (data.success) {
      alert('Post published successfully!');
      window.location.href = '/admin/blog-posts.html';
    } else {
      alert('Failed to publish: ' + (data.error || 'Unknown error'));
    }
  } catch (error) {
    console.error('Publish error:', error);
    alert('Failed to publish. Please try again.');
  }
}

// Event listeners
document.addEventListener('DOMContentLoaded', () => {
  document.getElementById('analyze-btn').addEventListener('click', analyzePost);
  document.getElementById('save-draft-btn')?.addEventListener('click', saveDraft);
  document.getElementById('publish-btn')?.addEventListener('click', publishPost);
});