// Content script for artifact processing
(function() {
  console.log('Content script loaded');
  
  // Check if we're in a project chat by looking for the project link with forward slash
  function isProjectChat() {
    const projectLink = document.querySelector('a[href*="/project/"]');
    if (!projectLink) {
      console.log('Not in a project chat - no project link found');
      return false;
    }
    
    // Additional check: look for the forward slash separator in the project breadcrumb
    const breadcrumbWithSlash = projectLink.querySelector('span.opacity-50');
    if (!breadcrumbWithSlash || !breadcrumbWithSlash.textContent.includes('/')) {
      console.log('Not in a project chat - no forward slash separator found');
      return false;
    }
    
    console.log('Confirmed we are in a project chat');
    return true;
  }

  // Function to get all artifact filenames from the global artifact menu
  function getAllArtifactFilenames() {
    return new Promise((resolve) => {
      // Find the global artifact menu button (has the hamburger/list icon)
      const artifactMenuButton = document.querySelector('button[aria-haspopup="menu"] svg[viewBox="0 0 256 256"] path[d*="M80,64a8,8,0,0,1,8-8H216"]');
      const menuButton = artifactMenuButton?.closest('button');
      
      if (!menuButton) {
        console.log('Global artifact menu button not found');
        resolve([]);
        return;
      }
      
      console.log('Found global artifact menu button, attempting to trigger...');
      
      let hasResolved = false;
      
      // Function to extract filenames from the opened menu
      function extractFilenames() {
        setTimeout(() => {
          if (hasResolved) return;
          
          const menuItems = document.querySelectorAll('li[role="none"] div[role="menuitem"]');
          const filenames = [];
          
          if (menuItems.length === 0) {
            console.log('No menu items found - menu may not have opened');
            if (!hasResolved) {
              hasResolved = true;
              resolve([]);
            }
            return;
          }
          
          menuItems.forEach((item, index) => {
            // Get the filename from the first div (line-clamp-2 class)
            const filenameDiv = item.querySelector('div.line-clamp-2');
            if (filenameDiv) {
              const filename = filenameDiv.textContent.trim();
              
              // Check if this is the currently selected item
              const isSelected = item.classList.contains('border-accent-secondary-100') || 
                               item.getAttribute('class').includes('border-accent-secondary-100');
              
              filenames.push({
                filename: filename,
                isSelected: isSelected,
                element: item,
                index: index
              });
              
              console.log(`Found artifact: ${filename} (${isSelected ? 'selected' : 'unselected'})`);
            }
          });
          
          // Close the menu by clicking elsewhere
          document.body.click();
          
          if (!hasResolved) {
            hasResolved = true;
            resolve(filenames);
          }
        }, 500);
      }
      
      // Listen for menu opening with more comprehensive detection
      const observer = new MutationObserver((mutations) => {
        mutations.forEach((mutation) => {
          if (mutation.type === 'childList') {
            const addedNodes = Array.from(mutation.addedNodes);
            const menuAdded = addedNodes.some(node => 
              node.nodeType === Node.ELEMENT_NODE && 
              (node.querySelector('li[role="none"] div[role="menuitem"]') ||
               node.getAttribute('role') === 'menu' ||
               node.querySelector('[role="menu"]'))
            );
            
            if (menuAdded) {
              console.log('Menu detected as opened');
              observer.disconnect();
              extractFilenames();
            }
          }
        });
      });
      
      observer.observe(document.body, { childList: true, subtree: true });
      
      // Focus and send Enter key (this worked!)
      menuButton.focus();
      const enterEvent = new KeyboardEvent('keydown', {
        key: 'Enter',
        code: 'Enter',
        bubbles: true,
        cancelable: true
      });
      menuButton.dispatchEvent(enterEvent);
      
      // Final fallback timeout - only if we haven't resolved yet
      setTimeout(() => {
        if (!hasResolved) {
          observer.disconnect();
          console.log('Menu trigger timeout - no menu detected');
          hasResolved = true;
          resolve([]);
        }
      }, 4000);
    });
  }
  
  // Function to select a specific artifact by clicking on it in the menu
  function selectArtifact(artifactInfo) {
    return new Promise((resolve) => {
      if (artifactInfo.isSelected) {
        console.log(`${artifactInfo.filename} is already selected`);
        resolve(true);
        return;
      }
      
      // Find and click the global menu button again
      const artifactMenuButton = document.querySelector('button[aria-haspopup="menu"] svg[viewBox="0 0 256 256"] path[d*="M80,64a8,8,0,0,1,8-8H216"]');
      const menuButton = artifactMenuButton?.closest('button');
      
      if (!menuButton) {
        console.log('Could not find menu button to select artifact');
        resolve(false);
        return;
      }
      
      // Function to click the specific artifact
      function clickArtifact() {
        setTimeout(() => {
          const menuItems = document.querySelectorAll('li[role="none"] div[role="menuitem"]');
          
          // Find the matching artifact by filename
          let targetItem = null;
          menuItems.forEach(item => {
            const filenameDiv = item.querySelector('div.line-clamp-2');
            if (filenameDiv && filenameDiv.textContent.trim() === artifactInfo.filename) {
              targetItem = item;
            }
          });
          
          if (targetItem) {
            console.log(`Clicking on ${artifactInfo.filename}`);
            targetItem.click();
            
            // Wait a moment for the artifact to load
            setTimeout(() => {
              resolve(true);
            }, 500);
          } else {
            console.log(`Could not find ${artifactInfo.filename} in menu`);
            document.body.click(); // Close menu
            resolve(false);
          }
        }, 200);
      }
      
      // Listen for menu opening
      const observer = new MutationObserver((mutations) => {
        mutations.forEach((mutation) => {
          if (mutation.type === 'childList') {
            const addedNodes = Array.from(mutation.addedNodes);
            const menuAdded = addedNodes.some(node => 
              node.nodeType === Node.ELEMENT_NODE && 
              (node.querySelector('li[role="none"] div[role="menuitem"]') ||
               node.getAttribute('role') === 'menu')
            );
            
            if (menuAdded) {
              observer.disconnect();
              clickArtifact();
            }
          }
        });
      });
      
      observer.observe(document.body, { childList: true, subtree: true });
      
      // Click the menu button
      menuButton.click();
      
      // Fallback timeout
      setTimeout(() => {
        observer.disconnect();
        resolve(false);
      }, 3000);
    });
  }
  
  // Find and process artifacts using the global menu approach
  async function processArtifacts() {
    if (!isProjectChat()) {
      return;
    }
    
    console.log('Getting artifact list from global menu...');
    
    // Get all available artifacts from the global menu
    const artifactInfos = await getAllArtifactFilenames();
    
    if (artifactInfos.length === 0) {
      console.log('No artifacts found in global menu');
      return;
    }
    
    console.log(`Found ${artifactInfos.length} artifacts in global menu`);
    
    // Process each artifact
    for (let i = 0; i < artifactInfos.length; i++) {
      const artifactInfo = artifactInfos[i];
      console.log(`Processing artifact: ${artifactInfo.filename}`);
      
      try {
        // Select this artifact if it's not already selected
        const selected = await selectArtifact(artifactInfo);
        
        if (!selected) {
          console.log(`Failed to select artifact: ${artifactInfo.filename}`);
          continue;
        }
        
        // Wait a moment for the artifact to fully load
        await new Promise(resolve => setTimeout(resolve, 1000));
        
        // Now extract the content from the currently displayed artifact
        // This will depend on how artifacts are rendered in the UI
        const artifactContainer = document.querySelector('[data-testid*="artifact"], .artifact, iframe[title*="artifact"]');
        
        if (artifactContainer) {
          const content = artifactContainer.textContent || artifactContainer.innerHTML;
          console.log(`${artifactInfo.filename} content preview: ${content.substring(0, 100)}...`);
          
          // TODO: Add download functionality here
          // downloadFile(artifactInfo.filename, content);
          
        } else {
          console.log(`Could not find artifact content container for ${artifactInfo.filename}`);
        }
        
      } catch (error) {
        console.error(`Error processing artifact ${artifactInfo.filename}:`, error);
      }
      
      // Small delay between processing artifacts
      await new Promise(resolve => setTimeout(resolve, 500));
    }
  }
  
  // Main function to run when content script is executed
  async function main() {
    console.log('Running artifact processor');
    await processArtifacts();
  }
  
  // Run the main function
  main();
})();