// 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;
  }
  
  // Static object containing all artifact scraping functionality
  const ArtifactScraper = {
    
    // Open the artifact list menu
    openArtifactList() {
      return new Promise((resolve, reject) => {
        // 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) {
          reject(new Error('Global artifact menu button not found'));
          return;
        }
        
        console.log('Opening artifact list menu...');
        
        let hasResolved = false;
        
        // 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' ||
                 node.querySelector('[role="menu"]'))
              );
              
              if (menuAdded) {
                console.log('Artifact list menu detected as opened');
                observer.disconnect();
                if (!hasResolved) {
                  hasResolved = true;
                  resolve(true);
                }
              }
            }
          });
        });
        
        observer.observe(document.body, { childList: true, subtree: true });
        
        // Focus and send Enter key event to open menu
        menuButton.focus();
        const enterEvent = new KeyboardEvent('keydown', {
          key: 'Enter',
          code: 'Enter',
          bubbles: true,
          cancelable: true
        });
        menuButton.dispatchEvent(enterEvent);
        
        // Fallback timeout
        setTimeout(() => {
          if (!hasResolved) {
            observer.disconnect();
            hasResolved = true;
            reject(new Error('Failed to open artifact list menu - timeout'));
          }
        }, 3000);
      });
    },
    
    // Parse the artifact list and return filename -> isSelected hash
    getArtifactListItems() {
      const menuItems = document.querySelectorAll('li[role="none"] div[role="menuitem"]');
      const artifactHash = {};
      
      if (menuItems.length === 0) {
        console.log('No artifact list items found');
        return artifactHash;
      }
      
      menuItems.forEach((item, index) => {
        const filenameDiv = item.querySelector('div.line-clamp-2');
        if (filenameDiv) {
          const filename = filenameDiv.textContent.trim();
          const isSelected = item.classList.contains('border-accent-secondary-100') || 
                            item.getAttribute('class').includes('border-accent-secondary-100');
          
          artifactHash[filename] = isSelected;
          console.log(`Found artifact: ${filename} (${isSelected ? 'selected' : 'unselected'})`);
        }
      });
      
      return artifactHash;
    },
    
    // Select a specific artifact list item
    selectArtifactListItem(filename) {
      return new Promise((resolve, reject) => {
        const menuItems = document.querySelectorAll('li[role="none"] div[role="menuitem"]');
        let targetItem = null;
        
        // Find the matching artifact by filename
        menuItems.forEach(item => {
          const filenameDiv = item.querySelector('div.line-clamp-2');
          if (filenameDiv && filenameDiv.textContent.trim() === filename) {
            targetItem = item;
          }
        });
        
        if (!targetItem) {
          reject(new Error(`Could not find artifact item for: ${filename}`));
          return;
        }
        
        console.log(`Selecting artifact: ${filename}`);
        
        // Focus and send Enter key event to select the item
        targetItem.focus();
        const enterEvent = new KeyboardEvent('keydown', {
          key: 'Enter',
          code: 'Enter',
          bubbles: true,
          cancelable: true
        });
        targetItem.dispatchEvent(enterEvent);
        
        // Wait for artifact to load
        setTimeout(() => {
          resolve(true);
        }, 1000);
      });
    },
    
    // Get artifact content and handle selection if needed
    getArtifact(filename, isCurrentlySelected) {
      return new Promise(async (resolve, reject) => {
        // If not currently selected, we need to select it
        if (!isCurrentlySelected) {
          // Open menu if not already open
          const menuOpen = document.querySelector('li[role="none"] div[role="menuitem"]');
          if (!menuOpen) {
            try {
              await this.openArtifactList();
            } catch (error) {
              reject(new Error(`Failed to open menu to select: ${filename} - ${error.message}`));
              return;
            }
          }
          
          // Select the artifact
          try {
            await this.selectArtifactListItem(filename);
          } catch (error) {
            reject(new Error(`Failed to select artifact: ${filename} - ${error.message}`));
            return;
          }
        }
        
        // Extract content from the code block using the updated selector
        const codeBlock = document.querySelector('div.right-0 code');
        if (!codeBlock) {
          reject(new Error(`No code block found for artifact: ${filename}`));
          return;
        }
        
        const content = codeBlock.textContent || codeBlock.innerText || '';
        console.log(`Extracted content for ${filename}: ${content.length} characters`);
        
        resolve(content);
      });
    },
    
    // Main collection method
    async collectArtifacts() {
      console.log('Starting artifact collection...');
      
      // Initialize empty collection
      const artifactCollection = {};
      
      // Open artifact list
      await this.openArtifactList();
      
      // Get list of artifacts
      const artifactList = this.getArtifactListItems();
      
      if (Object.keys(artifactList).length === 0) {
        console.log('No artifacts found in list');
        return;
      }
      
      console.log(`Found ${Object.keys(artifactList).length} artifacts to collect`);
      
      // Iterate through artifacts and collect content
      for (const [filename, isSelected] of Object.entries(artifactList)) {
        console.log(`Processing artifact: ${filename}`);
        
        try {
          const content = await this.getArtifact(filename, isSelected);
          artifactCollection[filename] = content;
          console.log(`✓ Collected: ${filename}`);
        } catch (error) {
          console.log(`✗ Failed to collect: ${filename} - ${error.message}`);
        }
        
        // Small delay between artifacts
        await new Promise(resolve => setTimeout(resolve, 500));
      }
      
      // Log final collection
      console.log('=== ARTIFACT COLLECTION COMPLETE ===');
      console.log(`Collected ${Object.keys(artifactCollection).length} artifacts:`);
      console.log(artifactCollection);
      
      return artifactCollection;
    }
  };
  
  // Main function
  async function main() {
    console.log('Running artifact collector');
    
    if (!isProjectChat()) {
      return;
    }
    
    await ArtifactScraper.collectArtifacts();
  }
  
  // Run the main function
  main();
})();