{% extends "base_authenticated.html" %}
{% block title %}Review Duplicate Records - {{ COMPANY_NAME }}{% endblock %}

{% block extra_head %}
<link rel="stylesheet" href="{{ url_for('static', filename='css/time_attendance.css') }}">
<style>
.duplicate-review-page {
  max-width: 1400px;
  margin: 0 auto;
  padding: 2rem;
}

.review-summary {
  background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
  color: white;
  padding: 2rem;
  border-radius: 12px;
  margin-bottom: 2rem;
  box-shadow: 0 8px 24px rgba(0,0,0,0.15);
}

.summary-stats {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 1.5rem;
  margin-top: 1.5rem;
}

.stat-box {
  background: rgba(255,255,255,0.2);
  padding: 1.5rem;
  border-radius: 8px;
  text-align: center;
  backdrop-filter: blur(10px);
}

.stat-box .number {
  font-size: 2.5rem;
  font-weight: 700;
  margin-bottom: 0.5rem;
}

.stat-box .label {
  font-size: 0.875rem;
  opacity: 0.9;
}

.duplicates-container {
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
}

.duplicate-item {
  background: white;
  border-radius: 12px;
  box-shadow: 0 2px 8px rgba(0,0,0,0.1);
  overflow: hidden;
  border: 2px solid #e2e8f0;
  transition: all 0.3s ease;
}

.duplicate-item.selected {
  border-color: #667eea;
  box-shadow: 0 4px 12px rgba(102, 126, 234, 0.2);
}

.duplicate-header {
  background: #f7fafc;
  padding: 1rem 1.5rem;
  display: flex;
  justify-content: space-between;
  align-items: center;
  border-bottom: 1px solid #e2e8f0;
}

.duplicate-title {
  display: flex;
  align-items: center;
  gap: 1rem;
}

.duplicate-title h3 {
  margin: 0;
  color: #2d3748;
  font-size: 1.125rem;
}

.row-badge {
  background: #ed8936;
  color: white;
  padding: 0.25rem 0.75rem;
  border-radius: 20px;
  font-size: 0.75rem;
  font-weight: 600;
}

.duplicate-actions {
  display: flex;
  gap: 0.5rem;
}

.duplicate-body {
  padding: 1.5rem;
}

.comparison-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 2rem;
}

.record-card {
  background: #f8fafc;
  padding: 1.5rem;
  border-radius: 8px;
  border: 2px solid #e2e8f0;
}

.record-card h4 {
  margin: 0 0 1rem 0;
  color: #2d3748;
  font-size: 1rem;
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.record-card.new-record h4 {
  color: #3182ce;
}

.record-card.existing-record h4 {
  color: #805ad5;
}

.record-details {
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
}

.detail-row {
  display: grid;
  grid-template-columns: 140px 1fr;
  gap: 0.5rem;
  font-size: 0.875rem;
}

.detail-label {
  color: #718096;
  font-weight: 600;
}

.detail-value {
  color: #2d3748;
  word-break: break-word;
}

.detail-value.highlight {
  background: #fef5e7;
  padding: 0.25rem 0.5rem;
  border-radius: 4px;
  font-weight: 600;
}

.checkbox-container {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  padding: 1rem;
  background: #ebf8ff;
  border-radius: 8px;
  margin-top: 1rem;
}

.checkbox-container input[type="checkbox"] {
  width: 20px;
  height: 20px;
  cursor: pointer;
}

.checkbox-container label {
  font-weight: 600;
  color: #2c5282;
  cursor: pointer;
  margin: 0;
}

.action-buttons {
  display: flex;
  justify-content: space-between;
  gap: 1rem;
  margin-top: 2rem;
  padding: 1.5rem;
  background: white;
  border-radius: 12px;
  box-shadow: 0 2px 8px rgba(0,0,0,0.1);
  position: sticky;
  bottom: 1rem;
  z-index: 100;
}

.action-buttons .left-actions,
.action-buttons .right-actions {
  display: flex;
  gap: 1rem;
}

.btn {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.75rem 1.5rem;
  border: none;
  border-radius: 8px;
  font-weight: 600;
  cursor: pointer;
  transition: all 0.3s ease;
  text-decoration: none;
  font-size: 1rem;
}

.btn-primary {
  background: linear-gradient(135deg, #667eea, #764ba2);
  color: white;
}

.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 4px 12px rgba(102, 126, 234, 0.4);
}

.btn-secondary {
  background: #e2e8f0;
  color: #2d3748;
}

.btn-secondary:hover {
  background: #cbd5e0;
}

.btn-danger {
  background: #fc8181;
  color: white;
}

.btn-danger:hover {
  background: #f56565;
}

.selection-summary {
  background: #f0fff4;
  border: 2px solid #9ae6b4;
  padding: 1rem;
  border-radius: 8px;
  margin-bottom: 1rem;
  display: none;
}

.selection-summary.visible {
  display: block;
}

.selection-summary .count {
  font-weight: 700;
  color: #22543d;
  font-size: 1.125rem;
}

.empty-state {
  text-align: center;
  padding: 4rem 2rem;
  background: white;
  border-radius: 12px;
  box-shadow: 0 2px 8px rgba(0,0,0,0.1);
}

.empty-state i {
  font-size: 4rem;
  color: #48bb78;
  margin-bottom: 1rem;
}

.empty-state h3 {
  color: #2d3748;
  margin-bottom: 0.5rem;
}

.empty-state p {
  color: #718096;
}

@media (max-width: 768px) {
  .comparison-grid {
    grid-template-columns: 1fr;
  }
  
  .action-buttons {
    flex-direction: column;
  }
  
  .action-buttons .left-actions,
  .action-buttons .right-actions {
    width: 100%;
  }
}
</style>
{% endblock %}

{% block page_title %}Review Duplicate Records{% endblock %}

{% block content %}
<div class="duplicate-review-page">
  <!-- Page Header -->
  <div class="time-attendance-header">
    <div class="header-navigation">
      <a href="{{ url_for('import_time_attendance') }}" class="back-button">
        <i class="fas fa-arrow-left"></i>
        Back to Import
      </a>
    </div>
    
    <div class="header-content">
      <h1>
        <i class="fas fa-exclamation-triangle"></i>
        Review Duplicate Records
      </h1>
      <p class="header-description">
        The following records already exist in the system. Please review and select which ones you want to import anyway.
      </p>
    </div>
  </div>

  <!-- Summary Section -->
  <div class="review-summary">
    <h2 style="margin: 0 0 0.5rem 0;">
      <i class="fas fa-file-excel"></i>
      File: {{ filename }}
    </h2>
    <p style="margin: 0; opacity: 0.9;">Review duplicate records before importing</p>
    
    <div class="summary-stats">
      <div class="stat-box">
        <div class="number">{{ analysis.total_records }}</div>
        <div class="label">Total Records in File</div>
      </div>
      
      <div class="stat-box">
        <div class="number">{{ analysis.new_records }}</div>
        <div class="label">New Records</div>
      </div>
      
      <div class="stat-box">
        <div class="number">{{ analysis.duplicate_records }}</div>
        <div class="label">Duplicate Records</div>
      </div>
    </div>
  </div>

  <!-- Selection Summary -->
  <div id="selectionSummary" class="selection-summary">
    <i class="fas fa-check-circle"></i>
    <span class="count">0</span> duplicate record(s) selected to import
  </div>

  <!-- Duplicates List -->
  {% if analysis.duplicate_records > 0 %}
  <form id="duplicateReviewForm" method="POST" action="{{ url_for('import_time_attendance') }}">
    <input type="hidden" name="analyze_duplicates" value="false">
    <input type="hidden" name="skip_duplicates" value="true">
    <input type="hidden" name="import_source" value="Import with Duplicates - {{ filename }}">
    
    <div class="duplicates-container">
      {% for duplicate in analysis.duplicates %}
      <div class="duplicate-item" data-hash="{{ duplicate.hash }}">
        <div class="duplicate-header">
          <div class="duplicate-title">
            <span class="row-badge">Row {{ duplicate.row_number }}</span>
            <h3>{{ duplicate.new_record.employee_name }} (ID: {{ duplicate.new_record.employee_id }})</h3>
          </div>
        </div>
        
        <div class="duplicate-body">
          <div class="comparison-grid">
            <!-- New Record (from file) -->
            <div class="record-card new-record">
              <h4>
                <i class="fas fa-file-import"></i>
                New Record (From File)
              </h4>
              <div class="record-details">
                <div class="detail-row">
                  <span class="detail-label">Employee ID:</span>
                  <span class="detail-value highlight">{{ duplicate.new_record.employee_id }}</span>
                </div>
                <div class="detail-row">
                  <span class="detail-label">Name:</span>
                  <span class="detail-value">{{ duplicate.new_record.employee_name }}</span>
                </div>
                <div class="detail-row">
                  <span class="detail-label">Date:</span>
                  <span class="detail-value highlight">{{ duplicate.new_record.attendance_date }}</span>
                </div>
                <div class="detail-row">
                  <span class="detail-label">Time:</span>
                  <span class="detail-value highlight">{{ duplicate.new_record.attendance_time }}</span>
                </div>
                <div class="detail-row">
                  <span class="detail-label">Location:</span>
                  <span class="detail-value highlight">{{ duplicate.new_record.location_name }}</span>
                </div>
                <div class="detail-row">
                  <span class="detail-label">Action:</span>
                  <span class="detail-value highlight">{{ duplicate.new_record.action_description }}</span>
                </div>
                {% if duplicate.new_record.platform %}
                <div class="detail-row">
                  <span class="detail-label">Platform:</span>
                  <span class="detail-value">{{ duplicate.new_record.platform }}</span>
                </div>
                {% endif %}
                {% if duplicate.new_record.event_description %}
                <div class="detail-row">
                  <span class="detail-label">Event:</span>
                  <span class="detail-value">{{ duplicate.new_record.event_description }}</span>
                </div>
                {% endif %}
                {% if duplicate.new_record.recorded_address %}
                <div class="detail-row">
                  <span class="detail-label">Address:</span>
                  <span class="detail-value">{{ duplicate.new_record.recorded_address }}</span>
                </div>
                {% endif %}
              </div>
            </div>
            
            <!-- Existing Record (in database) -->
            <div class="record-card existing-record">
              <h4>
                <i class="fas fa-database"></i>
                Existing Record (In System)
              </h4>
              <div class="record-details">
                <div class="detail-row">
                  <span class="detail-label">Employee ID:</span>
                  <span class="detail-value highlight">{{ duplicate.existing_record.employee_id }}</span>
                </div>
                <div class="detail-row">
                  <span class="detail-label">Name:</span>
                  <span class="detail-value">{{ duplicate.existing_record.employee_name }}</span>
                </div>
                <div class="detail-row">
                  <span class="detail-label">Date:</span>
                  <span class="detail-value highlight">{{ duplicate.existing_record.attendance_date }}</span>
                </div>
                <div class="detail-row">
                  <span class="detail-label">Time:</span>
                  <span class="detail-value highlight">{{ duplicate.existing_record.attendance_time }}</span>
                </div>
                <div class="detail-row">
                  <span class="detail-label">Location:</span>
                  <span class="detail-value highlight">{{ duplicate.existing_record.location_name }}</span>
                </div>
                <div class="detail-row">
                  <span class="detail-label">Action:</span>
                  <span class="detail-value highlight">{{ duplicate.existing_record.action_description }}</span>
                </div>
                {% if duplicate.existing_record.platform %}
                <div class="detail-row">
                  <span class="detail-label">Platform:</span>
                  <span class="detail-value">{{ duplicate.existing_record.platform }}</span>
                </div>
                {% endif %}
                {% if duplicate.existing_record.event_description %}
                <div class="detail-row">
                  <span class="detail-label">Event:</span>
                  <span class="detail-value">{{ duplicate.existing_record.event_description }}</span>
                </div>
                {% endif %}
                {% if duplicate.existing_record.recorded_address %}
                <div class="detail-row">
                  <span class="detail-label">Address:</span>
                  <span class="detail-value">{{ duplicate.existing_record.recorded_address }}</span>
                </div>
                {% endif %}
                <div class="detail-row">
                  <span class="detail-label">Import Date:</span>
                  <span class="detail-value">
                    <i class="fas fa-clock"></i>
                    {{ duplicate.existing_record.import_date.strftime('%Y-%m-%d %H:%M') if duplicate.existing_record.import_date else 'Unknown' }}
                  </span>
                </div>
                {% if duplicate.existing_record.import_source %}
                <div class="detail-row">
                  <span class="detail-label">Import Source:</span>
                  <span class="detail-value">{{ duplicate.existing_record.import_source }}</span>
                </div>
                {% endif %}
              </div>
            </div>
          </div>
          
          <!-- Selection Checkbox -->
          <div class="checkbox-container">
            <input type="checkbox" 
                   id="duplicate_{{ loop.index }}" 
                   name="force_import_hashes[]" 
                   value="{{ duplicate.hash }}"
                   class="duplicate-checkbox">
            <label for="duplicate_{{ loop.index }}">
              Import this duplicate record anyway
            </label>
          </div>
        </div>
      </div>
      {% endfor %}
    </div>

    <!-- Action Buttons -->
    <div class="action-buttons">
      <div class="left-actions">
        <a href="{{ url_for('cancel_pending_import') }}" class="btn btn-secondary">
          <i class="fas fa-times"></i>
          Cancel Import
        </a>
      </div>
      
      <div class="right-actions">
        <button type="button" id="selectAllBtn" class="btn btn-secondary">
          <i class="fas fa-check-square"></i>
          Select All
        </button>
        <button type="button" id="skipAllBtn" class="btn btn-secondary">
          <i class="fas fa-forward"></i>
          Skip All Duplicates
        </button>
        <button type="submit" class="btn btn-primary" id="proceedBtn">
          <i class="fas fa-upload"></i>
          Proceed with Import
        </button>
      </div>
    </div>
  </form>
  {% else %}
  <div class="empty-state">
    <i class="fas fa-check-circle"></i>
    <h3>No Duplicates Found</h3>
    <p>All records in the file are unique. You can proceed with the import.</p>
    <a href="{{ url_for('import_time_attendance') }}" class="btn btn-primary" style="margin-top: 1rem;">
      <i class="fas fa-arrow-left"></i>
      Back to Import
    </a>
  </div>
  {% endif %}
</div>

<script>
// Track selected duplicates
const checkboxes = document.querySelectorAll('.duplicate-checkbox');
const selectionSummary = document.getElementById('selectionSummary');
const selectAllBtn = document.getElementById('selectAllBtn');
const skipAllBtn = document.getElementById('skipAllBtn');
const proceedBtn = document.getElementById('proceedBtn');

function updateSelectionSummary() {
  const selectedCount = document.querySelectorAll('.duplicate-checkbox:checked').length;
  const countSpan = selectionSummary.querySelector('.count');
  countSpan.textContent = selectedCount;
  
  if (selectedCount > 0) {
    selectionSummary.classList.add('visible');
  } else {
    selectionSummary.classList.remove('visible');
  }
  
  // Update duplicate items visual state
  document.querySelectorAll('.duplicate-item').forEach(item => {
    const checkbox = item.querySelector('.duplicate-checkbox');
    if (checkbox && checkbox.checked) {
      item.classList.add('selected');
    } else {
      item.classList.remove('selected');
    }
  });
}

// Listen to checkbox changes
checkboxes.forEach(checkbox => {
  checkbox.addEventListener('change', updateSelectionSummary);
});

// Select all button
if (selectAllBtn) {
  selectAllBtn.addEventListener('click', () => {
    checkboxes.forEach(cb => cb.checked = true);
    updateSelectionSummary();
  });
}

// Skip all button (uncheck all and submit)
if (skipAllBtn) {
  skipAllBtn.addEventListener('click', () => {
    if (confirm('This will skip all duplicate records and import only new records. Continue?')) {
      checkboxes.forEach(cb => cb.checked = false);
      document.getElementById('duplicateReviewForm').submit();
    }
  });
}

// Form submission confirmation
if (proceedBtn) {
  proceedBtn.addEventListener('click', (e) => {
    const selectedCount = document.querySelectorAll('.duplicate-checkbox:checked').length;
    const totalDuplicates = checkboxes.length;
    const newRecordsCount = {{ analysis.new_records }};
    
    let message = '';
    if (selectedCount > 0) {
      message = `You are about to import:\n\n`;
      message += `- ${newRecordsCount} new record(s)\n`;
      message += `- ${selectedCount} duplicate record(s)\n`;
      message += `- Skipping ${totalDuplicates - selectedCount} duplicate(s)\n\n`;
      message += `Total: ${newRecordsCount + selectedCount} records will be imported.\n\n`;
      message += `Continue with import?`;
    } else {
      message = `You are about to import ${newRecordsCount} new record(s) only.\n\n`;
      message += `All ${totalDuplicates} duplicate record(s) will be skipped.\n\n`;
      message += `Continue with import?`;
    }
    
    if (!confirm(message)) {
      e.preventDefault();
    }
  });
}

// Initial update
updateSelectionSummary();
</script>
{% endblock %}