document.addEventListener('DOMContentLoaded', () => {
  console.log('Tooltip script loaded');
  
  // Function to fix problematic tooltips
  window.fixProblemTooltips = () => {
    console.log('Fixing problem tooltips');
    
    // Find all tooltip elements with tooltip-trigger class
    const allTooltips = document.querySelectorAll('.tooltip-trigger');
    console.log(`Found ${allTooltips.length} tooltip triggers`);
    
    // Process each tooltip - fix all tooltips with tooltip-trigger class
    allTooltips.forEach(tooltip => {
      const tooltipContent = tooltip.getAttribute('data-tooltip') || '';
      
      if (tooltipContent) {
        console.log(`Processing tooltip: ${tooltip.innerText}`);
        
        // Get tooltip title
        const tooltipTitle = tooltip.getAttribute('data-title') || tooltip.innerText;
        const tooltipId = 'custom-' + tooltipTitle.replace(/[^a-zA-Z0-9]/g, '');
        
        // Fix this tooltip
        fixSingleTooltip(tooltip, tooltipTitle, tooltipId);
      }
    });
  };
  
  // Function to fix a single tooltip
  const fixSingleTooltip = (tooltip, title, id) => {
    console.log(`Fixing tooltip for ${title} with ID ${id}`);
    
    // Remove any existing event listeners
    const clone = tooltip.cloneNode(true);
    tooltip.parentNode.replaceChild(clone, tooltip);
    tooltip = clone;
    
    // Add tooltip-right class and inline styles
    tooltip.classList.add('tooltip-right');
    tooltip.style.position = 'relative';
    
    // Add data-title if missing
    if (!tooltip.getAttribute('data-title')) {
      tooltip.setAttribute('data-title', title);
    }
    
    // Get tooltip content
    const tooltipContent = tooltip.getAttribute('data-tooltip') || '';
    
    // Show the tooltip on the left side
    tooltip.addEventListener('mouseenter', (event) => {
      console.log(`Mouse entered ${title}`);
      
      // Remove any existing custom tooltip with this ID
      const existingTooltip = document.getElementById(id);
      if (existingTooltip) {
        existingTooltip.remove();
      }
      
      // Create custom tooltip element
      const customTooltip = document.createElement('div');
      customTooltip.id = id;
      customTooltip.className = 'custom-tooltip';
      customTooltip.innerHTML = `<strong>${title}</strong>${tooltipContent}`;
      document.body.appendChild(customTooltip);
      
      // Position tooltip near the element
      const rect = tooltip.getBoundingClientRect();
      console.log(`Element position: top=${rect.top}, left=${rect.left}, width=${rect.width}, height=${rect.height}`);
      
      const tooltipWidth = 300; // Width of our tooltip in pixels
      const horizontalOffset = 5; // Small gap between element and tooltip
      
      // Check if this is a model tooltip in the cost analysis tab (in first column of any table)
      const isModelTooltip = (tooltip.closest('td:first-child') !== null || 
                         tooltip.closest('th:first-child') !== null);
      
      // Position tooltip either to the right or below based on location
      if (isModelTooltip) {
        console.log('Positioning model tooltip to the right');
        // Position to the right for model tooltips in cost analysis
        // Calculate vertical centering (tooltip height is variable)
        const tooltipHeight = 300; // Estimate for most model tooltips
        
        // Position exactly at vertical center of the model name
        const modelMiddle = rect.top + (rect.height / 2);
        
        // Set position as fixed to work properly with scrolling
        customTooltip.style.position = 'fixed';
        customTooltip.style.top = `${modelMiddle}px`;
        customTooltip.style.transform = 'translateY(-50%)';
        
        customTooltip.style.left = `${rect.right + horizontalOffset}px`;
        
        // Create arrow element for the model tooltip - using orange color from FLaME
        const arrow = document.createElement('div');
        arrow.style.position = 'absolute';
        arrow.style.left = '-10px'; // Move it a bit further out for visibility
        arrow.style.top = '50%';
        arrow.style.transform = 'translateY(-50%)';
        arrow.style.width = '0';
        arrow.style.height = '0';
        arrow.style.borderTop = '11px solid transparent'; // Make it larger
        arrow.style.borderBottom = '11px solid transparent'; // Make it larger 
        arrow.style.borderRight = '11px solid rgba(0, 0, 0, 0.9)'; // Orange accent color for visibility
        arrow.style.display = 'block';
        arrow.style.zIndex = '9999';
        customTooltip.appendChild(arrow);
        
        // Make sure tooltip doesn't go too close to the top edge
        if (modelMiddle < 50) {
          customTooltip.style.top = '50px';
        }
        
        // Check if tooltip would go off the right edge of the screen
        const viewportWidth = window.innerWidth;
        const tooltipRight = rect.right + horizontalOffset + tooltipWidth;
        
        if (tooltipRight > viewportWidth - 20) {
          // Position to the left of the element instead
          customTooltip.style.left = `${rect.left - tooltipWidth - horizontalOffset}px`;
          
          // Move the arrow to the right side and flip it
          if (arrow) {
            arrow.style.left = 'auto';
            arrow.style.right = '-8px';
            arrow.style.borderRight = 'none';
            arrow.style.borderLeft = '8px solid rgba(0, 0, 0, 0.9)'; // Orange color for visibility
          }
        }
      } else {
        // Default behavior - position below and centered
        const verticalOffset = 5;
        
        // Set tooltip position below the element
        customTooltip.style.top = `${window.scrollY + rect.bottom + verticalOffset}px`;
        
        // Center the tooltip horizontally on the element
        const tooltipLeft = rect.left + (rect.width / 2) - (tooltipWidth / 2);
        
        // But make sure it stays within the viewport bounds
        const viewportWidth = window.innerWidth;
        let adjustedLeft = tooltipLeft;
        
        // Check right edge
        if (tooltipLeft + tooltipWidth > viewportWidth - 20) {
          adjustedLeft = viewportWidth - tooltipWidth - 20;
        }
        
        // Check left edge
        if (adjustedLeft < 20) {
          adjustedLeft = 20;
        }
        
        customTooltip.style.left = `${adjustedLeft}px`;
        
        // Add a small arrow at the top pointing to the element
        const arrow = document.createElement('div');
        arrow.style.position = 'absolute';
        arrow.style.top = '-8px';
        arrow.style.left = `${Math.max(0, Math.min(tooltipWidth - 20, rect.left + (rect.width / 2) - adjustedLeft - 8))}px`;
        arrow.style.width = '0';
        arrow.style.height = '0';
        arrow.style.borderLeft = '8px solid transparent';
        arrow.style.borderRight = '8px solid transparent';
        arrow.style.borderBottom = '8px solid rgba(0, 0, 0, 0.9)';
        customTooltip.appendChild(arrow);
      }
      console.log(`Tooltip position: top=${customTooltip.style.top}, left=${customTooltip.style.left}`);
    });
    
    // Hide tooltip on mouseout
    tooltip.addEventListener('mouseleave', (event) => {
      console.log(`Mouse left ${title}`);
      const customTooltip = document.getElementById(id);
      if (customTooltip) {
        customTooltip.remove();
      }
    });
  };
  
  // Run when DOM is ready
  console.log('Setting up initial tooltip fix');
  setTimeout(fixProblemTooltips, 500);
  
  // Run again when tabs are clicked
  const tabs = document.querySelectorAll('.tabs li');
  console.log(`Found ${tabs.length} tabs`);
  
  tabs.forEach(tab => {
    tab.addEventListener('click', (event) => {
      console.log(`Tab clicked: ${tab.textContent}`);
      // Give time for the content to be displayed
      setTimeout(fixProblemTooltips, 500);
    });
  });
  
  // Handle window resize
  window.addEventListener('resize', () => {
    console.log('Window resized, removing tooltips');
    // Remove all custom tooltips on resize
    document.querySelectorAll('.custom-tooltip').forEach(t => t.remove());
  });
});