import { Product } from "./ProductModel.js";
import cloudinary from "../../Utils/cloudinary.js";
import { v4 as uuidv4 } from "uuid";
import { CategoryModel } from "../Category/CategoryModel.js";
export const createProduct = async (req, res) => {
  try {
    if (!req.files) {
      return res.status(400).json({
        msg: " PLease Provide Product image",
      });
    }
    let images = [];
    let Allfiles = req.files.image;
    if (typeof Allfiles.tempFilePath === "string") {
      let filepath = Allfiles.tempFilePath;

      images.push(filepath);
    } else {
      Allfiles.map((item) => {
        images.push(item.tempFilePath);
      });
    }

    const imagesLinks = [];
    for (let i = 0; i < images.length; i++) {
      const result = await cloudinary.v2.uploader.upload(images[i], {
        folder: "smellica/product",
      });

      imagesLinks.push({
        public_id: result.public_id,
        url: result.secure_url,
      });
    }

    req.body.image = imagesLinks;
    req.body.addedBy = req.user._id;
    const newUniquid = uuidv4();
    req.body.uniqueId = newUniquid.replace(/-/g, "").substring(0, 10);

    const data = await Product.create({ ...req.body });
    res.status(201).json({
      success: true,
      data,
      msg: " create Product Successfully!!",
    });
  } catch (error) {
    res.status(500).json({
      success: false,
      msg: error.message,
    });
  }
};
//get All Product
export const getAllProduct = async (req, res) => {
  try {
    const product = await Product.find()
      .populate({
        path: "category gst addedBy",
        select: "name categoryName tax",
      })
      .sort({
        createdAt: -1,
      });
    if (product) {
      return res.status(200).json({
        success: true,
        product,
      });
    }
  } catch (error) {
    res.status(500).json({
      success: false,
      msg: error.message ? error.message : "Something went wrong!",
    });
  }
};
// get all product with device products first
export const getAllProductsDevicesFirst = async (req, res) => {
  try {
    // we want products with category name Device to be displayed first, so i have first found the products with category name Devices then made another request to find all products and filtered products with category devices , then merged both arrays so we get devices first then all other categories
    
    const categoryName = 'Devices';
    // Find the category object by name first
    const category = await CategoryModel.findOne({ categoryName });

    if (!category) {
      throw new Error("Category not found");
    }
    // products with device category
    const deviceProducts = await Product.find({ category: category._id }).populate('category');
    
    // all products
    const allProducts = await Product.find()
      .populate({
        path: "category gst addedBy",
        select: "name categoryName tax",
      })
      .sort({
        createdAt: -1,
      });
      // filtering out products with device category
    const filteredProducts = allProducts.filter((ele) => { return ele.category?.categoryName !== categoryName })

    // merging both deviceProcuts and filtered products
    const product = deviceProducts.concat(filteredProducts)
    if (product) {
      return res.status(200).json({
        success: true,
        product,
      });
    }
  } catch (error) {
    res.status(500).json({
      success: false,
      msg: error.message ? error.message : "Something went wrong!",
    });
  }
};
//get One Product
export const getOneProduct = async (req, res) => {
  try {
    const product = await Product.findById(req.params.id).populate({
      path: "category gst addedBy",
      select: "name categoryName tax",
    });
    if (product) {
      return res.status(200).json({
        success: true,
        product,
      });
    }
  } catch (error) {
    // console.log(error)
    res.status(500).json({
      success: false,
      msg: error.message ? error.message : "Something went wrong!",
    });
  }
};

// 3.update Product
// export const updateProduct = async (req, res) => {
//   const {
//     name,
//     description,
//     price,
//     category,
//     image,
//     gst_amount,
//     gst,
//     total_amount,
//   } = req.body;
//   console.log(gst_amount, gst, total_amount);

//   try {
//     // Prepare an array for the images
//     const jsonArray = JSON.parse(image);
//     const AllImages = jsonArray.map(({ public_id, url }) => ({
//       public_id,
//       url,
//     }));

//     if (req.files && req.files.newImages) {
//       const newuploadImages = Array.isArray(req.files.newImages)
//         ? req.files.newImages
//         : [req.files.newImages];

//       const imagesLinks = [];

//       for (let i = 0; i < newuploadImages.length; i++) {
//         const result = await cloudinary.v2.uploader.upload(
//           newuploadImages[i].tempFilePath,
//           {
//             folder: "smellica/product",
//           }
//         );

//         imagesLinks.push({
//           public_id: result.public_id,
//           url: result.secure_url,
//         });
//       }

//       // Combine the existing images and the newly uploaded images
//       const updatedImages = [...AllImages, ...imagesLinks];

//       // Perform the product update
//       const ModifyProduct = await Product.findOneAndUpdate(
//         { _id: req.params.id },
//         {
//           $set: {
//             name,
//             description,
//             price,
//             category,
//             image: updatedImages,
//             gst,
//             gst_amount,
//             total_amount,
//           },
//         },
//         { new: true }
//       );
//       return res.status(200).json({
//         success: true,
//         ModifyProduct,
//       });
//     } else {
//       const ModifyProduct = await Product.findOneAndUpdate(
//         { _id: req.params.id },
//         {
//           $set: {
//             name,
//             description,
//             price,
//             category,
//             image: AllImages,
//           },
//         },
//         { new: true }
//       );
//       return res.status(200).json({
//         success: true,
//         ModifyProduct,
//       });
//     }
//   } catch (error) {
//     res.status(500).json({
//       success: false,
//       msg: error.message ? error.message : "Something went wrong!",
//     });
//   }
// };
export const updateProduct = async (req, res) => {
  const {
    name,
    description,
    price,
    category,
    image,
    gst_amount,
    gst,
    total_amount,
  } = req.body;

  try {
    // Prepare an array for the images
    const jsonArray = JSON.parse(image);
    const AllImages = jsonArray.map(({ public_id, url }) => ({
      public_id,
      url,
    }));

    let updatedImages = AllImages;

    if (req.files && req.files.newImages) {
      const newUploadImages = Array.isArray(req.files.newImages)
        ? req.files.newImages
        : [req.files.newImages];

      const imagesLinks = [];

      for (let i = 0; i < newUploadImages.length; i++) {
        const result = await cloudinary.v2.uploader.upload(
          newUploadImages[i].tempFilePath,
          {
            folder: "smellica/product",
          }
        );

        imagesLinks.push({
          public_id: result.public_id,
          url: result.secure_url,
        });
      }

      // Combine the existing images and the newly uploaded images
      updatedImages = [...AllImages, ...imagesLinks];
    }

    // Perform the product update
    const updatedProduct = await Product.findOneAndUpdate(
      { _id: req.params.id },
      {
        $set: {
          name,
          description,
          price,
          category,
          image: updatedImages,
          gst,
          gst_amount,
          total_amount,
        },
      },
      { new: true }
    );

    if (!updatedProduct) {
      return res.status(404).json({ success: false, msg: "Product not found" });
    }

    return res.status(200).json({
      success: true,
      updatedProduct,
    });
  } catch (error) {
    console.error("Error updating product:", error);
    res.status(500).json({
      success: false,
      msg: error.message ? error.message : "Something went wrong!",
    });
  }
};

export const deleteImageFromCloudinary = async (req, res) => {
  const { public_id } = req.params;

  try {
    if (!public_id) {
      return res.status(400).json({
        success: false,
        msg: "Please Provide Product ID!",
      });
    }
    const response = await cloudinary.v2.uploader.destroy(public_id);
    if (response) {
      res.status(200).json({
        success: true,
        msg: "Product Deleted Successfully!!",
      });
    }
  } catch (error) {
    res.status(500).json({
      success: false,
      msg: error.message ? error.message : "Something went wrong!",
    });
  }
};
//delete one Product
export const deleteProduct = async (req, res) => {
  try {
    if (!req.params.id) {
      return res.status(400).json({
        success: false,
        msg: "Please Provide Product ID!",
      });
    }
    const getProduct = await Product.findById(req.params.id);
    if (!getProduct) {
      return res.status(404).json({
        success: false,
        msg: "Product not Found!",
      });
    }
    // Deleting Images From Cloudinary
    for (let i = 0; i < getProduct.image.length; i++) {
      await cloudinary.v2.uploader.destroy(getProduct.image[i].public_id);
    }

    //-------------------------//
    const product = await Product.findByIdAndDelete(req.params.id);
    if (!product) {
      return res.status(404).json({ message: "Product Not Found" });
    }
    await product.remove();
    res.status(200).json({
      success: true,
      msg: "Product Deleted Successfully!!",
    });
  } catch (error) {
    res.status(500).json({
      success: false,
      msg: error.message ? error.message : "Something went wrong!",
    });
  }
};

export const getProductsByCategory = async (req, res) => {
  const { categoryName } = req.params; // Assuming category name is in the route
  // console.log(categoryName);

  try {
    // Find the category object by name first
    const category = await CategoryModel.findOne({ categoryName });

    if (!category) {
      throw new Error("Category not found");
    }
    const products = await Product.find({ category: category._id }).populate('category');
    // console.log(products);

    if (products && products.length > 0) {
      return res.status(200).json({
        success: true,
        products,
      });
    } else {
      return res.status(404).json({
        success: false,
        msg: "No products found for this category",
      });
    }
  } catch (error) {
    res.status(500).json({
      success: false,
      msg: error.message ? error.message : "Something went wrong!",
    });
  }
};