import React, { Component } from "react";
import { Box, Container, Typography, CardMedia, Stack, Chip, Button, Collapse, Popper, ClickAwayListener, MenuList, MenuItem, ListItemIcon, ListItemText, Snackbar, Alert } from "@mui/material";
import ShareIcon from "@mui/icons-material/Share";
import WhatsAppIcon from "@mui/icons-material/WhatsApp";
import FacebookIcon from "@mui/icons-material/Facebook";
import TelegramIcon from "@mui/icons-material/Telegram";
import EmailIcon from "@mui/icons-material/Email";
import LinkIcon from "@mui/icons-material/Link";
import CodeIcon from "@mui/icons-material/Code";
import { Link } from "react-router-dom";
import parse from "html-react-parser";
import sanitizeHtml from "sanitize-html";
import AddToCartButton from "./AddToCartButton.js";
import ProductImage from "./ProductImage.js";
import Product from "./Product.js";
import { withI18n } from "../i18n/withTranslation.js";
import ArticleQuestionForm from "./ArticleQuestionForm.js";
import ArticleRatingForm from "./ArticleRatingForm.js";
import ArticleAvailabilityForm from "./ArticleAvailabilityForm.js";

// Utility function to clean product names by removing trailing number in parentheses
const cleanProductName = (name) => {
  if (!name) return "";
  // Remove patterns like " (1)", " (3)", " (10)" at the end of the string
  return name.replace(/\s*\(\d+\)\s*$/, "").trim();
};

// Product detail page with image loading
class ProductDetailPage extends Component {
  constructor(props) {
    super(props);

    // First try to find cached data by seoName (complete data)
    let cachedData = null;
    let partialProduct = null;
    let isUpgrading = false;

    // Get current language for cache key
    const currentLanguage = this.props.i18n?.language || 'de';
    const cacheKey = `product_${this.props.seoName}_${currentLanguage}`;

    if (window.productDetailCache && window.productDetailCache[cacheKey]) {
      cachedData = window.productDetailCache[cacheKey];
    } else if (window.productDetailCache) {
      // If not found by seoName, search for partial data by checking all cached products
      // Look for a product where the seoName matches this.props.seoName
      for (const key in window.productDetailCache) {
        const cached = window.productDetailCache[key];
        if (cached && cached.product && cached.product.seoName === this.props.seoName) {
          partialProduct = cached.product;
          isUpgrading = true;
          break;
        }
        // Also check if cached is a product object directly (from category cache)
        if (cached && typeof cached === 'object' && cached.seoName === this.props.seoName) {
          partialProduct = cached;
          isUpgrading = true;
          break;
        }
      }
    }

    if (cachedData) {
      // Complete cached data found

      // Clean up prerender fallback since we have cached data
      if (typeof window !== "undefined" && window.__PRERENDER_FALLBACK__) {
        delete window.__PRERENDER_FALLBACK__;
        console.log("ProductDetailPage: Cleaned up prerender fallback using cached product data");
      }
      
      // Initialize komponenten from cached product data
      const komponenten = [];
      if(cachedData.product.komponenten) {
        for(const komponent of cachedData.product.komponenten.split(",")) {
          // Handle both "x" and "×" as separators
          const [id, count] = komponent.split(/[x×]/);
          komponenten.push({id: id.trim(), count: count.trim()});
        }
      }
      
      this.state = {
        product: cachedData.product,
        loading: false,
        upgrading: false,
        error: null,
        attributeImages: {},
        attributes: cachedData.attributes || [],
        isSteckling: false,
        imageDialogOpen: false,
        komponenten: komponenten,
        komponentenLoaded: komponenten.length === 0, // If no komponenten, mark as loaded
        komponentenData: {}, // Store individual komponent data with loading states
        komponentenImages: {}, // Store tiny pictures for komponenten
        totalKomponentenPrice: 0,
        totalSavings: 0,
        // Collapsible sections state
        showQuestionForm: false,
        showRatingForm: false,
        showAvailabilityForm: false,
        // Share popper state
        shareAnchorEl: null,
        sharePopperOpen: false,
        // Snackbar state
        snackbarOpen: false,
        snackbarMessage: "",
        snackbarSeverity: "success",
        // Similar products
        similarProducts: cachedData.similarProducts || []
      };
    } else if (partialProduct && isUpgrading) {
      // Partial product data found - enter upgrading state
      console.log("ProductDetailPage: Found partial product data, entering upgrading state");

      // Clean up prerender fallback since we have some data
      if (typeof window !== "undefined" && window.__PRERENDER_FALLBACK__) {
        delete window.__PRERENDER_FALLBACK__;
        console.log("ProductDetailPage: Cleaned up prerender fallback using partial product data");
      }
      
      // Initialize komponenten from partial product data if available
      const komponenten = [];
      if(partialProduct.komponenten) {
        for(const komponent of partialProduct.komponenten.split(",")) {
          // Handle both "x" and "×" as separators
          const [id, count] = komponent.split(/[x×]/);
          komponenten.push({id: id.trim(), count: count.trim()});
        }
      }
      
      this.state = {
        product: partialProduct,
        loading: false,
        upgrading: true, // This indicates we have partial data and are loading complete data
        error: null,
        attributeImages: {},
        attributes: [], // Will be loaded when upgrading
        isSteckling: false,
        imageDialogOpen: false,
        komponenten: komponenten,
        komponentenLoaded: komponenten.length === 0, // If no komponenten, mark as loaded
        komponentenData: {}, // Store individual komponent data with loading states
        komponentenImages: {}, // Store tiny pictures for komponenten
        totalKomponentenPrice: 0,
        totalSavings: 0,
        // Collapsible sections state
        showQuestionForm: false,
        showRatingForm: false,
        showAvailabilityForm: false,
        // Share popper state
        shareAnchorEl: null,
        sharePopperOpen: false,
        // Snackbar state
        snackbarOpen: false,
        snackbarMessage: "",
        snackbarSeverity: "success",
        // Similar products
        similarProducts: []
      };
    } else {
      // No cached data found - full loading state
      this.state = {
        product: null,
        loading: true,
        upgrading: false,
        error: null,
        attributeImages: {},
        attributes: [],
        isSteckling: false,
        imageDialogOpen: false,
        komponenten: [],
        komponentenLoaded: false,
        komponentenData: {}, // Store individual komponent data with loading states
        komponentenImages: {}, // Store tiny pictures for komponenten
        totalKomponentenPrice: 0,
        totalSavings: 0,
        // Collapsible sections state
        showQuestionForm: false,
        showRatingForm: false,
        showAvailabilityForm: false,
        // Share popper state
        shareAnchorEl: null,
        sharePopperOpen: false,
        // Snackbar state
        snackbarOpen: false,
        snackbarMessage: "",
        snackbarSeverity: "success",
        // Similar products
        similarProducts: []
      };
    }
  }

  componentDidMount() {
    // Load product data if we have no product or if we're in upgrading state
    if (!this.state.product || this.state.upgrading) {
      this.loadProductData();
    } else {
      // Product is cached, but we still need to load attribute images and komponenten
      if (this.state.attributes && this.state.attributes.length > 0) {
        this.loadAttributeImages(this.state.attributes);
      }
      
      if (this.state.komponenten.length > 0 && !this.state.komponentenLoaded) {
        for(const komponent of this.state.komponenten) {
          this.loadKomponent(komponent.id, komponent.count);
        }
      }
    }
  }

  componentDidUpdate(prevProps) {
    // Check for seoName changes
    if (prevProps.seoName !== this.props.seoName) {
      this.setState(
        { product: null, loading: true, upgrading: false, error: null, imageDialogOpen: false, similarProducts: [] },
        this.loadProductData
      );
      return;
    }
    
    // Check for language changes
    const prevLanguage = prevProps.languageContext?.currentLanguage || prevProps.i18n?.language || 'de';
    const currentLanguage = this.props.languageContext?.currentLanguage || this.props.i18n?.language || 'de';
    
    if (prevLanguage !== currentLanguage) {
      console.log('Language changed from', prevLanguage, 'to', currentLanguage, '- reloading product data');
      
      // Clear caches globally to force fresh socket calls with new language
      if (typeof window !== 'undefined') {
        window.productCache = {};
        window.productDetailCache = {};
      }
      
      // Reset component state and reload data
      this.setState(
        {  
          loading: false, 
          upgrading: false, 
          error: null, 
          imageDialogOpen: false,
          komponentenData: {},
          komponentenLoaded: false,
          totalKomponentenPrice: 0,
          totalSavings: 0,
          similarProducts: []
        },
        this.loadProductData
      );
    }
  }

  loadKomponentImage = (komponentId, pictureList) => {
    // Initialize cache if it doesn't exist
    if (!window.smallPicCache) {
      window.smallPicCache = {};
    }

    // Skip if no pictureList
    if (!pictureList || pictureList.length === 0) {
      return;
    }

    // Get the first image ID from pictureList
    const bildId = pictureList.split(',')[0];
    
    // Check if already cached
    if (window.smallPicCache[bildId]) {
      this.setState(prevState => ({
        komponentenImages: {
          ...prevState.komponentenImages,
          [komponentId]: window.smallPicCache[bildId]
        }
      }));
      return;
    }

    // Fetch image from server
    console.log('loadKomponentImage', bildId);
    window.socketManager.emit('getPic', { bildId, size: 'small' }, (res) => {
      if (res.success) {
        // Cache the image
        window.smallPicCache[bildId] = URL.createObjectURL(new Blob([res.imageBuffer], { type: 'image/jpeg' }));
        
        // Update state
        this.setState(prevState => ({
          komponentenImages: {
            ...prevState.komponentenImages,
            [komponentId]: window.smallPicCache[bildId]
          }
        }));
      } else {
        console.log('Error loading komponent image:', res);
      }
    });
  }

  loadKomponent = (id, count) => {
    // Initialize cache if it doesn't exist
    if (!window.productDetailCache) {
      window.productDetailCache = {};
    }

    const currentLanguage = this.props.languageContext?.currentLanguage || this.props.i18n?.language || 'de';
    const cacheKey = `product_${id}_${currentLanguage}`;

    // Check if this komponent is already cached
    if (window.productDetailCache[cacheKey]) {
      const cachedProduct = window.productDetailCache[cacheKey];
      
      // Load komponent image if available
      if (cachedProduct.pictureList) {
        this.loadKomponentImage(id, cachedProduct.pictureList);
      }
      
      // Update state with cached data
      this.setState(prevState => {
        const newKomponentenData = {
          ...prevState.komponentenData,
          [id]: {
            ...cachedProduct,
            count: parseInt(count),
            loaded: true
          }
        };
        
        // Check if all remaining komponenten are loaded
        const allLoaded = prevState.komponenten.every(k => 
          newKomponentenData[k.id] && newKomponentenData[k.id].loaded
        );
        
        // Calculate totals if all loaded
        let totalKomponentenPrice = 0;
        let totalSavings = 0;
        
        if (allLoaded) {
          totalKomponentenPrice = prevState.komponenten.reduce((sum, k) => {
            const komponentData = newKomponentenData[k.id];
            if (komponentData && komponentData.loaded) {
              return sum + (komponentData.price * parseInt(k.count));
            }
            return sum;
          }, 0);
          
          // Calculate savings (difference between buying individually vs as set)
          const setPrice = prevState.product ? prevState.product.price : 0;
          totalSavings = Math.max(0, totalKomponentenPrice - setPrice);
        }
        
        console.log("Cached komponent loaded:", id, "data:", newKomponentenData[id]);
        console.log("All loaded (cached):", allLoaded);
        
        return {
          komponentenData: newKomponentenData,
          komponentenLoaded: allLoaded,
          totalKomponentenPrice,
          totalSavings
        };
      });
      
      return;
    }

    // Mark this komponent as loading
    this.setState(prevState => ({
      komponentenData: {
        ...prevState.komponentenData,
        [id]: {
          ...prevState.komponentenData[id],
          loading: true,
          loaded: false,
          count: parseInt(count)
        }
      }
    }));

    console.log('loadKomponent', id, count);

    window.socketManager.emit(
      "getProductView",
      { articleId: id, language: currentLanguage, requestTranslation: currentLanguage === "de" ? false : true},
      (res) => {
        if (res.success) {
          // Use translated product if available, otherwise use original product
          const productData = res.translatedProduct || res.product;

          // Cache the successful response
          window.productDetailCache[cacheKey] = productData;
          
          // Load komponent image if available
          if (productData.pictureList) {
            this.loadKomponentImage(id, productData.pictureList);
          }
          
          // Update state with loaded data
          this.setState(prevState => {
            const newKomponentenData = {
              ...prevState.komponentenData,
              [id]: {
                ...productData,
                count: parseInt(count),
                loading: false,
                loaded: true
              }
            };
            
                    // Check if all remaining komponenten are loaded
        const allLoaded = prevState.komponenten.every(k => 
          newKomponentenData[k.id] && newKomponentenData[k.id].loaded
        );
            
            // Calculate totals if all loaded
            let totalKomponentenPrice = 0;
            let totalSavings = 0;
            
            if (allLoaded) {
              totalKomponentenPrice = prevState.komponenten.reduce((sum, k) => {
                const komponentData = newKomponentenData[k.id];
                if (komponentData && komponentData.loaded) {
                  return sum + (komponentData.price * parseInt(k.count));
                }
                return sum;
              }, 0);
              
              // Calculate savings (difference between buying individually vs as set)
              const setPrice = prevState.product ? prevState.product.price : 0;
              totalSavings = Math.max(0, totalKomponentenPrice - setPrice);
            }
            
            console.log("Updated komponentenData for", id, ":", newKomponentenData[id]);
            console.log("All loaded:", allLoaded);
            
            return {
              komponentenData: newKomponentenData,
              komponentenLoaded: allLoaded,
              totalKomponentenPrice,
              totalSavings
            };
          });
          
          console.log("getProductView (komponent)", res);
        } else {
          console.error("Error loading komponent:", res.error || "Unknown error", res);
          
          // Remove failed komponent from the list and check if all remaining are loaded
          this.setState(prevState => {
            const newKomponenten = prevState.komponenten.filter(k => k.id !== id);
            const newKomponentenData = { ...prevState.komponentenData };
            
            // Remove failed komponent from data
            delete newKomponentenData[id];
            
            // Check if all remaining komponenten are loaded
            const allLoaded = newKomponenten.length === 0 || newKomponenten.every(k => 
              newKomponentenData[k.id] && newKomponentenData[k.id].loaded
            );
            
            // Calculate totals if all loaded
            let totalKomponentenPrice = 0;
            let totalSavings = 0;
            
            if (allLoaded && newKomponenten.length > 0) {
              totalKomponentenPrice = newKomponenten.reduce((sum, k) => {
                const komponentData = newKomponentenData[k.id];
                if (komponentData && komponentData.loaded) {
                  return sum + (komponentData.price * parseInt(k.count));
                }
                return sum;
              }, 0);
              
              // Calculate savings (difference between buying individually vs as set)
              const setPrice = this.state.product ? this.state.product.price : 0;
              totalSavings = Math.max(0, totalKomponentenPrice - setPrice);
            }
            
            console.log("Removed failed komponent:", id, "remaining:", newKomponenten.length);
            console.log("All loaded after removal:", allLoaded);
            
            return {
              komponenten: newKomponenten,
              komponentenData: newKomponentenData,
              komponentenLoaded: allLoaded,
              totalKomponentenPrice,
              totalSavings
            };
          });
        }
      }
    );
  }

  loadAttributeImages = (attributes) => {
    // Initialize window-level attribute image cache if it doesn't exist
    if (!window.attributeImageCache) {
      window.attributeImageCache = {};
    }

    if (attributes && attributes.length > 0) {
      const attributeImages = {};

      for (const attribute of attributes) {
        const cacheKey = attribute.kMerkmalWert;

        if (attribute.cName == "Anzahl")
          this.setState({ isSteckling: true });

        // Check if we have a cached result (either URL or negative result)
        if (window.attributeImageCache[cacheKey]) {
          const cached = window.attributeImageCache[cacheKey];
          if (cached.url) {
            // Use cached URL
            attributeImages[cacheKey] = cached.url;
          }
        } else {
          // Not in cache, fetch from server
          console.log('getAttributePicture', cacheKey);
          window.socketManager.emit(
            "getAttributePicture",
            { id: cacheKey },
            (res) => {
              console.log("getAttributePicture", res);
              if (res.success && !res.noPicture) {
                const blob = new Blob([res.imageBuffer], {
                  type: "image/jpeg",
                });
                const url = URL.createObjectURL(blob);

                // Cache the successful URL
                window.attributeImageCache[cacheKey] = {
                  url: url,
                  timestamp: Date.now(),
                };

                // Update state and force re-render
                this.setState(prevState => ({
                  attributeImages: {
                    ...prevState.attributeImages,
                    [cacheKey]: url
                  }
                }));
              } else {
                // Cache negative result to avoid future requests
                // This handles both failure cases and success with noPicture: true
                window.attributeImageCache[cacheKey] = {
                  noImage: true,
                  timestamp: Date.now(),
                };
              }
            }
          );
        }
      }

      // Set initial state with cached images
      if (Object.keys(attributeImages).length > 0) {
        this.setState({ attributeImages });
      }
    }
  }

  loadProductData = () => {
    console.log('loadProductData', this.props.seoName);
    const currentLanguage = this.props.languageContext?.currentLanguage || this.props.i18n?.language || 'de';
    console.log('debuglanguage', currentLanguage);

    const cacheKey = `product_${this.props.seoName}_${currentLanguage}`;

    window.socketManager.emit(
      "getProductView",
      { seoName: this.props.seoName, language: currentLanguage, requestTranslation: currentLanguage === "de" ? false : true},
      (res) => {
        if (res.success) {
          // Use translated product if available, otherwise use original product
          const productData = res.translatedProduct || res.product;
          productData.seoName = this.props.seoName;

          // Initialize cache if it doesn't exist
          if (!window.productDetailCache) {
            window.productDetailCache = {};
          }

          // Cache the complete response data (product + attributes) - cache the response with translated product
          const cacheData = { ...res, product: productData };
          window.productDetailCache[cacheKey] = cacheData;

          // Clean up prerender fallback since we now have real data
          if (typeof window !== "undefined" && window.__PRERENDER_FALLBACK__) {
            delete window.__PRERENDER_FALLBACK__;
            console.log("ProductDetailPage: Cleaned up prerender fallback after loading product data");
          }
          
          const komponenten = [];
          if(productData.komponenten) {
            for(const komponent of productData.komponenten.split(",")) {
              // Handle both "x" and "×" as separators
              const [id, count] = komponent.split(/[x×]/);
              komponenten.push({id: id.trim(), count: count.trim()});
            }
          }
          this.setState({
            product: productData,
            loading: false,
            upgrading: false, // Clear upgrading state since we now have complete data
            error: null,
            imageDialogOpen: false,
            attributes: res.attributes,
            komponenten: komponenten,
            komponentenLoaded: komponenten.length === 0, // If no komponenten, mark as loaded
            similarProducts: res.similarProducts || []
          }, () => {
              if(komponenten.length > 0) {
                for(const komponent of komponenten) {
                  this.loadKomponent(komponent.id, komponent.count);
                }
              }
          });
          console.log("getProductView", res);

          // Load attribute images
          this.loadAttributeImages(res.attributes);
        } else {
          console.error(
            "Error loading product:",
            res.error || "Unknown error",
            res
          );
          this.setState({
            product: null,
            loading: false,
            error: "Error loading product",
            imageDialogOpen: false,
          });
        }
      }
    );
  };

  handleOpenDialog = () => {
    this.setState({ imageDialogOpen: true });
  };

  handleCloseDialog = () => {
    this.setState({ imageDialogOpen: false });
  };

  toggleQuestionForm = () => {
    this.setState(prevState => ({ 
      showQuestionForm: !prevState.showQuestionForm,
      showRatingForm: false,
      showAvailabilityForm: false
    }), () => {
      if (this.state.showQuestionForm) {
        setTimeout(() => this.scrollToSection('question-form'), 100);
      }
    });
  };

  toggleRatingForm = () => {
    this.setState(prevState => ({ 
      showRatingForm: !prevState.showRatingForm,
      showQuestionForm: false,
      showAvailabilityForm: false
    }), () => {
      if (this.state.showRatingForm) {
        setTimeout(() => this.scrollToSection('rating-form'), 100);
      }
    });
  };

  toggleAvailabilityForm = () => {
    this.setState(prevState => ({ 
      showAvailabilityForm: !prevState.showAvailabilityForm,
      showQuestionForm: false,
      showRatingForm: false
    }), () => {
      if (this.state.showAvailabilityForm) {
        setTimeout(() => this.scrollToSection('availability-form'), 100);
      }
    });
  };

  scrollToSection = (sectionId) => {
    const element = document.getElementById(sectionId);
    if (element) {
      element.scrollIntoView({ 
        behavior: 'smooth',
        block: 'start'
      });
    }
  };

  // Share functionality
  handleShareClick = (event) => {
    this.setState({
      shareAnchorEl: event.currentTarget,
      sharePopperOpen: true
    });
  };

  handleShareClose = () => {
    this.setState({
      shareAnchorEl: null,
      sharePopperOpen: false
    });
  };

  showSnackbar = (message, severity = "success") => {
    this.setState({
      snackbarOpen: true,
      snackbarMessage: message,
      snackbarSeverity: severity
    });
  };

  handleSnackbarClose = (event, reason) => {
    if (reason === 'clickaway') {
      return;
    }
    this.setState({ snackbarOpen: false });
  };

  getProductUrl = () => {
    return `${window.location.origin}/Artikel/${this.props.seoName}`;
  };

  handleEmbedShare = () => {
    const embedCode = `<iframe src="${this.getProductUrl()}" width="100%" height="600" frameborder="0"></iframe>`;
    navigator.clipboard.writeText(embedCode).then(() => {
      this.showSnackbar("Einbettungscode wurde in die Zwischenablage kopiert!");
    }).catch(() => {
      // Fallback for older browsers
      try {
        const textArea = document.createElement('textarea');
        textArea.value = embedCode;
        document.body.appendChild(textArea);
        textArea.select();
        document.execCommand('copy');
        document.body.removeChild(textArea);
        this.showSnackbar("Einbettungscode wurde in die Zwischenablage kopiert!");
      } catch {
        this.showSnackbar("Fehler beim Kopieren des Einbettungscodes", "error");
      }
    });
    this.handleShareClose();
  };

  handleWhatsAppShare = () => {
    const url = this.getProductUrl();
    const text = `Schau dir dieses Produkt an: ${cleanProductName(this.state.product.name)}`;
    const whatsappUrl = `https://wa.me/?text=${encodeURIComponent(text + ' ' + url)}`;
    window.open(whatsappUrl, '_blank');
    this.handleShareClose();
  };

  handleFacebookShare = () => {
    const url = this.getProductUrl();
    const facebookUrl = `https://www.facebook.com/sharer/sharer.php?u=${encodeURIComponent(url)}`;
    window.open(facebookUrl, '_blank');
    this.handleShareClose();
  };

  handleTelegramShare = () => {
    const url = this.getProductUrl();
    const text = `Schau dir dieses Produkt an: ${cleanProductName(this.state.product.name)}`;
    const telegramUrl = `https://t.me/share/url?url=${encodeURIComponent(url)}&text=${encodeURIComponent(text)}`;
    window.open(telegramUrl, '_blank');
    this.handleShareClose();
  };

  handleEmailShare = () => {
    const url = this.getProductUrl();
    const subject = `Produktempfehlung: ${cleanProductName(this.state.product.name)}`;
    const body = `Hallo,\n\nich möchte dir dieses Produkt empfehlen:\n\n${cleanProductName(this.state.product.name)}\n${url}\n\nViele Grüße`;
    const emailUrl = `mailto:?subject=${encodeURIComponent(subject)}&body=${encodeURIComponent(body)}`;
    window.location.href = emailUrl;
    this.handleShareClose();
  };

  handleLinkCopy = () => {
    const url = this.getProductUrl();
    navigator.clipboard.writeText(url).then(() => {
      this.showSnackbar("Link wurde in die Zwischenablage kopiert!");
    }).catch(() => {
      // Fallback for older browsers
      try {
        const textArea = document.createElement('textarea');
        textArea.value = url;
        document.body.appendChild(textArea);
        textArea.select();
        document.execCommand('copy');
        document.body.removeChild(textArea);
        this.showSnackbar("Link wurde in die Zwischenablage kopiert!");
      } catch {
        this.showSnackbar("Fehler beim Kopieren des Links", "error");
      }
    });
    this.handleShareClose();
  };

    render() {
    const { product, loading, upgrading, error, attributeImages, isSteckling, attributes, komponentenLoaded, komponentenData, komponentenImages, totalKomponentenPrice, totalSavings, shareAnchorEl, sharePopperOpen, snackbarOpen, snackbarMessage, snackbarSeverity } =
      this.state;

    // Debug alerts removed

    

    if (loading && !upgrading) {
      // Only show full loading screen when we have no product data at all
      // Check if prerender fallback is available
      if (typeof window !== "undefined" && window.__PRERENDER_FALLBACK__) {
        return (
          <div
            dangerouslySetInnerHTML={{
              __html: window.__PRERENDER_FALLBACK__.content,
            }}
          />
        );
      }
      
      // Fallback to loading message if no prerender content
      return (
        <Box
          sx={{
            p: 4,
            textAlign: "center",
            display: "flex",
            justifyContent: "center",
            alignItems: "center",
            minHeight: "60vh",
          }}
        >
          <Typography variant="h2" component="h2" gutterBottom>
            Produkt wird geladen...
          </Typography>
        </Box>
      );
    }

    if (error) {
      return (
        <Box sx={{ p: 4, textAlign: "center" }}>
          <Typography variant="h2" component="h2" gutterBottom color="error">
            Fehler
          </Typography>
          <Typography>{error}</Typography>
          <Link to="/" style={{ textDecoration: "none" }}>
            <Typography color="primary" sx={{ mt: 2 }}>
              {this.props.t ? this.props.t('product.backToHome') : 'Zurück zur Startseite'}
            </Typography>
          </Link>
        </Box>
      );
    }

    if (!product) {
      return (
        <Box sx={{ p: 4, textAlign: "center" }}>
          <Typography variant="h2" component="h2" gutterBottom>
            Produkt nicht gefunden
          </Typography>
          <Typography>
            Das gesuchte Produkt existiert nicht oder wurde entfernt.
          </Typography>
          <Link to="/" style={{ textDecoration: "none" }}>
            <Typography color="primary" sx={{ mt: 2 }}>
              {this.props.t ? this.props.t('product.backToHome') : 'Zurück zur Startseite'}
            </Typography>
          </Link>
        </Box>
      );
    }
    // Format price with tax
    const priceWithTax = new Intl.NumberFormat("de-DE", {
      style: "currency",
      currency: "EUR",
    }).format(product.price);

    let originalPriceWithTax = null;
    if (product.rebate && product.rebate > 0) {
      const rebatePct = product.rebate / 100;
      const originalPrice = Math.round((product.price / (1 - rebatePct)) * 10) / 10;
      originalPriceWithTax = new Intl.NumberFormat("de-DE", {
        style: "currency",
        currency: "EUR",
      }).format(originalPrice);
    }

    return (
      <Container
        maxWidth="lg"
        sx={{
          p: { xs: 2, md: 2 },
          pb: { xs: 4, md: 8 },
          flexGrow: 1
        }}
      >
        {/* Breadcrumbs */}
        <Box
          sx={{
            mb: 2,
            position: ["-webkit-sticky", "sticky"], // Provide both prefixed and standard
            top: {
              xs: "110px",
              sm: "110px",
              md: "110px",
              lg: "110px",
            } /* Offset to sit below the header 120 mith menu for md and lg*/,
            left: 0,
            width: "100%",
            display: "flex",
            zIndex: (theme) =>
              theme.zIndex.appBar - 1 /* Just below the AppBar */,
            py: 0,
            px: 2,
          }}
        >
          <Box
            sx={{
              ml: { xs: 0, md: 0 },
              display: "inline-flex",
              px: 0,
              py: 1,
              backgroundColor: "#2e7d32", //primary dark green
              borderRadius: 1,
            }}
          >
            <Typography variant="body2" color="text.secondary">
              <Link
                to="/"
                onClick={() => this.props.navigate(-1)}
                style={{
                  paddingLeft: 16,
                  paddingRight: 16,
                  paddingTop: 8,
                  paddingBottom: 8,
                  textDecoration: "none",
                  color: "#fff",
                  fontWeight: "bold",
                }}
              >
                {this.props.t ? this.props.t('common.back') : 'Zurück'}
              </Link>
            </Typography>
          </Box>
        </Box>

        <Box
          sx={{
            display: "flex",
            flexDirection: { xs: "column", md: "row" },
            gap: 4,
            background: "#fff",
            borderRadius: 2,
            boxShadow: "0 2px 8px rgba(0,0,0,0.08)",
          }}
        >
          <ProductImage
            product={product}
            fullscreenOpen={this.state.imageDialogOpen}
            onOpenFullscreen={this.handleOpenDialog}
            onCloseFullscreen={this.handleCloseDialog}
          />

          {/* Product Details */}
          <Box
            sx={{
              flex: "1 1 60%",
              p: { xs: 2, md: 4 },
              display: "flex",
              flexDirection: "column",
            }}
          >
            {/* Product identifiers */}
            <Box sx={{ mb: 1 }}>
              <Typography variant="body2" color="text.secondary">
                {this.props.t ? this.props.t('product.articleNumber') : 'Artikelnummer'}: {product.articleNumber} {product.gtin ? ` | GTIN: ${product.gtin}` : ""}
              </Typography>
            </Box>

            {/* Product title */}
            <Typography
              variant="h4"
              component="h1"
              gutterBottom
              sx={{ fontWeight: 600, color: "#333" }}
            >
              {cleanProductName(product.name)}
            </Typography>

            {/* Manufacturer if available */}
            {product.manufacturer && (
              <Box sx={{ display: "flex", alignItems: "center", mb: 2 }}>
                <Typography variant="body2" sx={{ fontStyle: "italic" }}>
                  {this.props.t ? this.props.t('product.manufacturer') : 'Hersteller'}:
                  <Button
                    variant="text"
                    size="small"
                    onClick={() => {
                      if (this.props.navigate) {
                        this.props.navigate(`/search?q=${encodeURIComponent(product.manufacturer)}`);
                      }
                    }}
                    sx={{
                      ml: 0.5,
                      p: 0,
                      minWidth: 'auto',
                      height: 'auto',
                      fontSize: 'inherit',
                      fontStyle: 'inherit',
                      textTransform: 'none',
                      '&:hover': {
                        backgroundColor: 'transparent',
                        textDecoration: 'underline',
                      }
                    }}
                  >
                    {product.manufacturer}
                  </Button>
                </Typography>
              </Box>
            )}

            {/* Attribute images and chips with action buttons */}
            {(attributes.some(attr => attributeImages[attr.kMerkmalWert]) || attributes.some(attr => !attributeImages[attr.kMerkmalWert])) && (
              <Box sx={{ display: "flex", justifyContent: "space-between", alignItems: "flex-start", mb: 2, gap: 2 }}>
                <Stack direction="row" spacing={0} sx={{ flexWrap: "wrap", gap: 1, flex: 1 }}>
                  {attributes
                    .filter(attribute => attributeImages[attribute.kMerkmalWert])
                    .map((attribute) => {
                      const key = attribute.kMerkmalWert;
                      return (
                        <Box key={key} sx={{ mb: 1,border: "1px solid #e0e0e0", borderRadius: 1 }}>
                          <CardMedia
                            component="img"
                            style={{ width: "72px", height: "98px" }}
                            image={attributeImages[key]}
                            alt={`Attribute ${key}`}
                          />
                        </Box>
                      );
                    })}
                  {attributes
                    .filter(attribute => !attributeImages[attribute.kMerkmalWert])
                    .map((attribute) => (
                      <Chip
                        key={attribute.kMerkmalWert}
                        label={attribute.cWert}
                        disabled
                        sx={{
                          '&.Mui-disabled': {
                            opacity: 1, // ← Remove the "fog"
                          },
                          '& .MuiChip-label': {
                            fontWeight: 'bold',
                            color: 'inherit', // ← Keep normal text color
                          },
                        }}
                      />
                    ))}
                </Stack>
                
                {/* Right-aligned action buttons */}
                <Stack direction="column" spacing={1} sx={{ flexShrink: 0 }}>
                  <Button
                    variant="outlined"
                    size="small"
                    onClick={this.toggleQuestionForm}
                    sx={{ 
                      fontSize: "0.75rem",
                      px: 1.5,
                      py: 0.5,
                      minWidth: "auto",
                      whiteSpace: "nowrap"
                    }}
                  >
                    Frage zum Artikel
                  </Button>
                  <Button
                    variant="outlined"
                    size="small"
                    onClick={this.toggleRatingForm}
                    sx={{ 
                      fontSize: "0.75rem",
                      px: 1.5,
                      py: 0.5,
                      minWidth: "auto",
                      whiteSpace: "nowrap"
                    }}
                  >
                    Artikel Bewerten
                  </Button>
                  {(product.available !== 1 && product.availableSupplier !== 1) && (
                    <Button
                      variant="outlined"
                      size="small"
                      onClick={this.toggleAvailabilityForm}
                      sx={{ 
                        fontSize: "0.75rem",
                        px: 1.5,
                        py: 0.5,
                        minWidth: "auto",
                        whiteSpace: "nowrap",
                        borderColor: "warning.main",
                        color: "warning.main",
                        "&:hover": {
                          borderColor: "warning.dark",
                          backgroundColor: "warning.light"
                        }
                      }}
                    >
                      Verfügbarkeit anfragen
                    </Button>
                  )}
                </Stack>
              </Box>
            )}

            {/* Weight */}
            {product.weight > 0 && (
              <Box sx={{ mb: 2 }}>
                <Typography variant="body2" color="text.secondary">
                  {this.props.t ? this.props.t('product.weight', { weight: product.weight.toFixed(1).replace(".", ",") }) : `Gewicht: ${product.weight.toFixed(1).replace(".", ",")} kg`}
                </Typography>
              </Box>
            )}

            {/* Price and availability section */}
            <Box
              sx={{
                mt: "auto",
                p: 3,
                background: "#f9f9f9",
                borderRadius: 2,
              }}
            >
              <Box
                sx={{
                  display: "flex",
                  flexDirection: { xs: "column", sm: "row" },
                  justifyContent: "space-between",
                  alignItems: { xs: "flex-start", sm: "flex-start" },
                  gap: 2,
                }}
              >
                <Box>
                  <Typography
                    variant="h5"
                    color="primary"
                    sx={{ fontWeight: "bold" }}
                  >
                    {originalPriceWithTax && (
                      <Typography
                        component="span"
                        variant="h6"
                        sx={{
                          textDecoration: 'line-through',
                          color: 'text.secondary',
                          mr: 1,
                          display: 'inline-block'
                        }}
                      >
                        {originalPriceWithTax}
                      </Typography>
                    )}
                    {priceWithTax}
                  </Typography>
                  <Typography variant="body2" color="text.secondary">
                    {this.props.t ? this.props.t('product.inclVat', { vat: product.vat }) : `inkl. ${product.vat}% MwSt.`}
                    {product.cGrundEinheit && product.fGrundPreis && (
                      <>; {new Intl.NumberFormat('de-DE', {style: 'currency', currency: 'EUR'}).format(product.fGrundPreis)}/{product.cGrundEinheit}</>
                    )}
                  </Typography>

                  {product.versandklasse &&
                    product.versandklasse != "standard" &&
                    product.versandklasse != "kostenlos" && (
                      <Typography variant="body2" color="text.secondary">
                        {product.versandklasse}
                      </Typography>
                    )}
                </Box>

                {/* Savings comparison - positioned between price and cart button */}
                {product.komponenten && komponentenLoaded && totalKomponentenPrice > product.price && 
                 (totalKomponentenPrice - product.price >= 2 && 
                  (totalKomponentenPrice - product.price) / product.price >= 0.02) && (
                  <Box sx={{ 
                    display: "flex", 
                    alignItems: "center", 
                    justifyContent: "center",
                    minWidth: { xs: "100%", sm: "200px" }
                  }}>
                    <Box sx={{ p: 2, borderRadius: 1, backgroundColor: "#e8f5e8", textAlign: "center" }}>
                      <Typography 
                        variant="body2" 
                        sx={{ 
                          fontWeight: "bold",
                          color: "success.main"
                        }}
                      >
                        {this.props.t ? this.props.t('product.youSave', { 
                          amount: new Intl.NumberFormat("de-DE", {
                            style: "currency",
                            currency: "EUR",
                          }).format(totalKomponentenPrice - product.price)
                        }) : `Sie sparen: ${new Intl.NumberFormat("de-DE", {
                          style: "currency",
                          currency: "EUR",
                        }).format(totalKomponentenPrice - product.price)}`}
                      </Typography>
                      <Typography variant="caption" color="text.secondary">
                        {this.props.t ? this.props.t('product.cheaperThanIndividual') : 'Günstiger als Einzelkauf'}
                      </Typography>
                    </Box>
                  </Box>
                )}

                <Box
                  sx={{
                    display: "flex",
                    flexDirection: { xs: "column", sm: "row" },
                    gap: 2,
                    alignItems: "flex-start",
                  }}
                >
                  {isSteckling && product.available == 1 && (
                    <Box
                      sx={{
                        display: "flex",
                        flexDirection: "column",
                      }}
                    >
                      <AddToCartButton
                        steckling={true}
                        cartButton={true}
                        seoName={product.seoName}
                        pictureList={product.pictureList}
                        available={product.available}
                        id={product.id + "steckling"}
                        price={0}
                        vat={product.vat}
                        weight={product.weight}
                        availableSupplier={product.availableSupplier}
                        komponenten={product.komponenten}
                        name={cleanProductName(product.name) + " Stecklingsvorbestellung 1 Stück"}
                        versandklasse={"nur Abholung"}
                      />
                      <Typography 
                        variant="caption" 
                        sx={{ 
                          fontStyle: "italic",
                          color: "text.secondary",
                          textAlign: "center",
                          mt: 1
                        }}
                      >
                        {this.props.t ? this.props.t('product.pickupPrice') : 'Abholpreis: 19,90 € pro Steckling.'}
                      </Typography>
                    </Box>
                  )}
                  <Box
                    sx={{
                      display: "flex",
                      flexDirection: "column",
                    }}
                  >
                    <AddToCartButton
                      cartButton={true}
                      seoName={product.seoName}
                      pictureList={product.pictureList}
                      available={product.available}
                      id={product.id}
                      availableSupplier={product.availableSupplier}
                      komponenten={product.komponenten}
                      cGrundEinheit={product.cGrundEinheit}
                      fGrundPreis={product.fGrundPreis}
                      price={product.price}
                      vat={product.vat}
                      weight={product.weight}
                      name={cleanProductName(product.name)}
                      versandklasse={product.versandklasse}
                    />

                    <Typography 
                      variant="caption" 
                      sx={{ 
                        fontStyle: "italic",
                        color: "text.secondary",
                        textAlign: "center",
                        mt: 1
                      }}
                    >
                      {product.id.toString().endsWith("steckling") ? 
                        (this.props.t ? this.props.t('delivery.times.cutting14Days') : "Lieferzeit: 14 Tage") :
                        product.available == 1 ? 
                          (this.props.t ? this.props.t('delivery.times.standard2to3Days') : "Lieferzeit: 2-3 Tage") : 
                          product.availableSupplier == 1 ? 
                            (this.props.t ? this.props.t('delivery.times.supplier7to9Days') : "Lieferzeit: 7-9 Tage") : ""}
                    </Typography>
                  </Box>
                </Box>
              </Box>
            </Box>
          </Box>
        </Box>

        {/* Product full description */}
        {(product.description || upgrading) && (
          <Box
            sx={{
              mt: 4,
              p: 4,
              background: "#fff",
              borderRadius: 2,
              boxShadow: "0 2px 8px rgba(0,0,0,0.08)",
              position: "relative",
            }}
          >
            {/* Share button */}
            <Button
              onClick={this.handleShareClick}
              startIcon={<ShareIcon fontSize="small" />}
              sx={{
                position: "absolute",
                top: 8,
                right: 8,
                backgroundColor: "#f5f5f5",
                "&:hover": {
                  backgroundColor: "#e0e0e0",
                },
                zIndex: 1,
                fontSize: "0.75rem",
                px: 1.5,
                py: 0.5,
                minWidth: "auto",
                textTransform: "none",
              }}
              size="small"
            >
              Teilen
            </Button>
            <Box
              sx={{
                mt: 2,
                lineHeight: 1.7,
                "& p": { mt: 0, mb: 2 },
                "& strong": { fontWeight: 600 },
              }}
            >
              {product.description ? (() => {
                try {
                  // Sanitize HTML to remove invalid tags, but preserve style attributes
                  return parse(sanitizeHtml(product.description, {
                    allowedTags: sanitizeHtml.defaults.allowedTags.concat(['img']),
                    allowedAttributes: {
                      '*': ['class', 'style'],
                      'a': ['href', 'title'],
                      'img': ['src', 'alt', 'width', 'height']
                    },
                    disallowedTagsMode: 'discard'
                  }));
                } catch (error) {
                  console.warn('Failed to parse product description HTML:', error);
                  // Fallback to rendering as plain text if HTML parsing fails
                  return <span>{product.description}</span>;
                }
              })() : upgrading ? (
                <Box sx={{ textAlign: "center", py: 2 }}>
                  <Typography variant="body1" color="text.secondary">
                    {this.props.t ? this.props.t('product.loadingDescription') : 'Produktbeschreibung wird geladen...'}
                  </Typography>
                </Box>
              ) : null}
            </Box>
          </Box>
        )}

        {/* Share Popper */}
        <Popper
          open={sharePopperOpen}
          anchorEl={shareAnchorEl}
          placement="bottom-end"
          sx={{ zIndex: 1300 }}
        >
          <ClickAwayListener onClickAway={this.handleShareClose}>
            <Box
              sx={{
                bgcolor: "background.paper",
                border: "1px solid #ccc",
                borderRadius: 1,
                boxShadow: "0 4px 8px rgba(0,0,0,0.1)",
                minWidth: 200,
              }}
            >
              <MenuList>
                <MenuItem onClick={this.handleEmbedShare}>
                  <ListItemIcon>
                    <CodeIcon fontSize="small" />
                  </ListItemIcon>
                  <ListItemText primary="Einbetten" />
                </MenuItem>
                <MenuItem onClick={this.handleWhatsAppShare}>
                  <ListItemIcon>
                    <WhatsAppIcon fontSize="small" sx={{ color: "#25D366" }} />
                  </ListItemIcon>
                  <ListItemText primary="WhatsApp" />
                </MenuItem>
                <MenuItem onClick={this.handleTelegramShare}>
                  <ListItemIcon>
                    <TelegramIcon fontSize="small" sx={{ color: "#0088CC" }} />
                  </ListItemIcon>
                  <ListItemText primary="Telegram" />
                </MenuItem>
                <MenuItem onClick={this.handleFacebookShare}>
                  <ListItemIcon>
                    <FacebookIcon fontSize="small" sx={{ color: "#1877F2" }} />
                  </ListItemIcon>
                  <ListItemText primary="Facebook" />
                </MenuItem>
                <MenuItem onClick={this.handleEmailShare}>
                  <ListItemIcon>
                    <EmailIcon fontSize="small" />
                  </ListItemIcon>
                  <ListItemText primary="E-Mail" />
                </MenuItem>
                <MenuItem onClick={this.handleLinkCopy}>
                  <ListItemIcon>
                    <LinkIcon fontSize="small" />
                  </ListItemIcon>
                  <ListItemText primary="Link kopieren" />
                </MenuItem>
              </MenuList>
            </Box>
          </ClickAwayListener>
        </Popper>

        {/* Article Question Form */}
        <Collapse in={this.state.showQuestionForm}>
          <div id="question-form">
            <ArticleQuestionForm 
              productId={product.id}
              productName={cleanProductName(product.name)}
            />
          </div>
        </Collapse>

        {/* Article Rating Form */}
        <Collapse in={this.state.showRatingForm}>
          <div id="rating-form">
            <ArticleRatingForm 
              productId={product.id}
              productName={cleanProductName(product.name)}
            />
          </div>
        </Collapse>

        {/* Article Availability Form - only show for out of stock items */}
        {(product.available !== 1 && product.availableSupplier !== 1) && (
          <Collapse in={this.state.showAvailabilityForm}>
            <ArticleAvailabilityForm 
              productId={product.id}
              productName={cleanProductName(product.name)}
            />
          </Collapse>
        )}

        {product.komponenten && product.komponenten.split(",").length > 0 && (
          <Box sx={{ mt: 4, p: 4, background: "#fff", borderRadius: 2, boxShadow: "0 2px 8px rgba(0,0,0,0.08)" }}>
            <Typography variant="h2" component="h2" gutterBottom>{this.props.t ? this.props.t('product.consistsOf') : 'Bestehend aus:'}</Typography>
            <Box sx={{ maxWidth: 800, mx: "auto" }}>
            
                        {(console.log("komponentenLoaded:", komponentenLoaded), komponentenLoaded) ? (
              <>
                {console.log("Rendering loaded komponenten:", this.state.komponenten.length, "komponentenData:", Object.keys(komponentenData).length)}
                {this.state.komponenten.map((komponent, index) => {
                  const komponentData = komponentenData[komponent.id];
                  console.log(`Rendering komponent ${komponent.id}:`, komponentData);
                  
                  // Don't show border on last item (pricing section has its own top border)
                  const isLastItem = index === this.state.komponenten.length - 1;
                  const showBorder = !isLastItem;
                  
                  if (!komponentData || !komponentData.loaded) {
                    return (
                      <Box key={komponent.id} sx={{ 
                        display: "flex", 
                        justifyContent: "space-between", 
                        alignItems: "center", 
                        py: 1, 
                        borderBottom: showBorder ? "1px solid #eee" : "none",
                        minHeight: "70px" // Consistent height to prevent layout shifts
                      }}>
                        <Box sx={{ display: "flex", alignItems: "center", gap: 2 }}>
                          <Box sx={{ width: 50, height: 50, flexShrink: 0, backgroundColor: "#f5f5f5", borderRadius: 1, border: "1px solid #e0e0e0" }}>
                            {/* Empty placeholder for image */}
                          </Box>
                          <Box>
                            <Typography variant="body1">
                              {index + 1}. Lädt...
                            </Typography>
                            <Typography variant="body2" color="text.secondary">
                              {komponent.count}x
                            </Typography>
                          </Box>
                        </Box>
                        <Typography variant="body1" sx={{ fontWeight: 500 }}>
                          -
                        </Typography>
                      </Box>
                    );
                  }
                  
                  const itemPrice = komponentData.price * parseInt(komponent.count);
                  const formattedPrice = new Intl.NumberFormat("de-DE", {
                    style: "currency",
                    currency: "EUR",
                  }).format(itemPrice);
                  
                  return (
                    <Box 
                      key={komponent.id} 
                      component={Link}
                      to={`/Artikel/${komponentData.seoName}`}
                      sx={{ 
                        display: "flex", 
                        justifyContent: "space-between", 
                        alignItems: "center", 
                        py: 1, 
                        borderBottom: showBorder ? "1px solid #eee" : "none",
                        textDecoration: "none",
                        color: "inherit",
                        minHeight: "70px", // Consistent height to prevent layout shifts
                        "&:hover": {
                          backgroundColor: "#f5f5f5"
                        }
                      }}
                    >
                      <Box sx={{ display: "flex", alignItems: "center", gap: 2 }}>
                        <Box sx={{ width: 50, height: 50, flexShrink: 0 }}>
                          {komponentenImages[komponent.id] ? (
                            <CardMedia
                              component="img"
                              height="50"
                              image={komponentenImages[komponent.id]}
                              alt={komponentData.name}
                              sx={{ 
                                objectFit: "contain",
                                borderRadius: 1,
                                border: "1px solid #e0e0e0"
                              }}
                            />
                          ) : (
                            <CardMedia
                              component="img"
                              height="50"
                              image="/assets/images/nopicture.jpg"
                              alt={komponentData.name}
                              sx={{ 
                                objectFit: "contain",
                                borderRadius: 1,
                                border: "1px solid #e0e0e0"
                              }}
                            />
                          )}
                        </Box>
                        <Box>
                          <Typography variant="body1" sx={{ fontWeight: 500 }}>
                            {index + 1}. {cleanProductName(komponentData.name)}
                          </Typography>
                          <Typography variant="body2" color="text.secondary">
                            {komponent.count}x à {new Intl.NumberFormat("de-DE", {
                              style: "currency",
                              currency: "EUR",
                            }).format(komponentData.price)}
                          </Typography>
                        </Box>
                      </Box>
                      <Typography variant="body1" sx={{ fontWeight: 500 }}>
                        {formattedPrice}
                      </Typography>
                    </Box>
                  );
                })}
                
                {/* Total price and savings display - only show when prices differ meaningfully */}
                {totalKomponentenPrice > product.price && 
                 (totalKomponentenPrice - product.price >= 2 && 
                  (totalKomponentenPrice - product.price) / product.price >= 0.02) && (
                  <Box sx={{ mt: 3, pt: 2, borderTop: "2px solid #eee" }}>
                    <Box sx={{ display: "flex", justifyContent: "space-between", alignItems: "center", mb: 1 }}>
                      <Typography variant="h6">
                        {this.props.t ? this.props.t('product.individualPriceTotal') : 'Einzelpreis gesamt:'}
                      </Typography>
                      <Typography variant="h6" sx={{ textDecoration: "line-through", color: "text.secondary" }}>
                        {new Intl.NumberFormat("de-DE", {
                          style: "currency",
                          currency: "EUR",
                        }).format(totalKomponentenPrice)}
                      </Typography>
                    </Box>
                    <Box sx={{ display: "flex", justifyContent: "space-between", alignItems: "center", mb: 1 }}>
                      <Typography variant="h6">
                        {this.props.t ? this.props.t('product.setPrice') : 'Set-Preis:'}
                      </Typography>
                      <Typography variant="h6" color="primary" sx={{ fontWeight: "bold" }}>
                        {new Intl.NumberFormat("de-DE", {
                          style: "currency",
                          currency: "EUR",
                        }).format(product.price)}
                      </Typography>
                    </Box>
                    {totalSavings > 0 && (
                      <Box sx={{ display: "flex", justifyContent: "space-between", alignItems: "center", mt: 2, p: 2, backgroundColor: "#e8f5e8", borderRadius: 1 }}>
                        <Typography variant="h6" color="success.main" sx={{ fontWeight: "bold" }}>
                          {this.props.t ? this.props.t('product.yourSavings') : 'Ihre Ersparnis:'}
                        </Typography>
                        <Typography variant="h6" color="success.main" sx={{ fontWeight: "bold" }}>
                          {new Intl.NumberFormat("de-DE", {
                            style: "currency",
                            currency: "EUR",
                          }).format(totalSavings)}
                        </Typography>
                      </Box>
                    )}
                  </Box>
                )}
              </>
            ) : (
              // Loading state
              <Box>
                {this.state.komponenten.map((komponent, index) => {
                  // For loading state, we don't know if pricing will be shown, so show all borders
                  return (
                    <Box key={komponent.id} sx={{ 
                      display: "flex", 
                      justifyContent: "space-between", 
                      alignItems: "center", 
                      py: 1, 
                      borderBottom: "1px solid #eee",
                      minHeight: "70px" // Consistent height to prevent layout shifts
                    }}>
                    <Box sx={{ display: "flex", alignItems: "center", gap: 2 }}>
                      <Box sx={{ width: 50, height: 50, flexShrink: 0, backgroundColor: "#f5f5f5", borderRadius: 1, border: "1px solid #e0e0e0" }}>
                        {/* Empty placeholder for image */}
                      </Box>
                      <Box>
                        <Typography variant="body1">
                          {this.props.t ? this.props.t('product.loadingComponentDetails', { index: index + 1 }) : `${index + 1}. Lädt Komponent-Details...`}
                        </Typography>
                        <Typography variant="body2" color="text.secondary">
                          {komponent.count}x
                        </Typography>
                      </Box>
                    </Box>
                    <Typography variant="body1" sx={{ fontWeight: 500 }}>
                      -
                    </Typography>
                                      </Box>
                  );
                })}
              </Box>
            )}
            </Box>
          </Box>
        )}

        {/* Similar Products Section */}
        {this.state.similarProducts && this.state.similarProducts.length > 0 && (
          <Box sx={{ mt: 4, p: 4, background: "#fff", borderRadius: 2, boxShadow: "0 2px 8px rgba(0,0,0,0.08)" }}>
            <Typography variant="h4" component="h2" gutterBottom sx={{ mb: 3 }}>
              {this.props.t ? this.props.t('product.similarProducts') : 'Ähnliche Produkte'}
            </Typography>
            <Box sx={{ 
              display: "grid", 
              gridTemplateColumns: { 
                xs: "1fr", 
                sm: "repeat(2, 1fr)", 
                md: "repeat(3, 1fr)", 
                lg: "repeat(4, 1fr)" 
              }, 
              gap: 2 
            }}>
              {this.state.similarProducts.map((similarProductData, index) => {
                const product = similarProductData.product;
                return (
                  <Box key={product.id} sx={{ display: 'flex', justifyContent: 'center' }}>
                    <Product
                      id={product.id}
                      name={product.name}
                      seoName={product.seoName}
                      price={product.price}
                      currency={product.currency}
                      available={product.available}
                      manufacturer={product.manufacturer}
                      vat={product.vat}
                      cGrundEinheit={product.cGrundEinheit}
                      fGrundPreis={product.fGrundPreis}
                      incoming={product.incomingDate}
                      neu={product.neu}
                      thc={product.thc}
                      floweringWeeks={product.floweringWeeks}
                      versandklasse={product.versandklasse}
                      weight={product.weight}
                      pictureList={product.pictureList}
                      availableSupplier={product.availableSupplier}
                      komponenten={product.komponenten}
                      rebate={product.rebate}
                      categoryId={product.kategorien ? product.kategorien.split(',')[0] : undefined}
                      priority={index < 6 ? 'high' : 'auto'}
                      t={this.props.t}
                    />
                  </Box>
                );
              })}
            </Box>
          </Box>
        )}

        {/* Snackbar for user feedback */}
        <Snackbar
          open={snackbarOpen}
          autoHideDuration={4000}
          onClose={this.handleSnackbarClose}
          anchorOrigin={{ vertical: 'bottom', horizontal: 'center' }}
        >
          <Alert 
            onClose={this.handleSnackbarClose} 
            severity={snackbarSeverity}
            sx={{ width: '100%' }}
          >
            {snackbarMessage}
          </Alert>
        </Snackbar>
      </Container>
    );
  }
}

export default withI18n()(ProductDetailPage);