const exporess = require("express");

const router = exporess.Router();

const mongoose = require("mongoose");
const { shuffle } = require("../helpers/utilities");

const categorySchema = require("../Schemas/categorySchema");

const Category = new mongoose.model("Category", categorySchema);

const productSchema = require("../Schemas/productSchema");

const Product = new mongoose.model("Product", productSchema);




router.post("/add", async (req, res) => {
  try {
    const file = req.files.file;

    await file.mv(
      `${__dirname.replace("routeHandler", "")}images/${file.name}`
    );

    req.body.pic = file.name;

    const newCategory = new Category(req.body);

    newCategory.save((err) => {
      if (err)
        return res.status(500).json({
          insertCount: false,
          error: "There was a server site error",
        });
      else {
        return res.status(200).json({
          insertCount: true,
          message: "Successfully Inserted",
        });
      }
    });
  } catch (e) {
    res.status(500).json({
      insertCount: false,
      error: "There was a server site error",
    });
  }
});

router.get("/", async (req, res) => {
  // Category.find({})
  // .populate('products')
  // .exec((err,data)=>
  // {
  //     if(err) {

  //         res.status(500).json({

  //             dataRead : false,

  //             error: 'There was a server site error',
  //         })
  //     }
  //     else{

  //         res.status(200).json({

  //             dataRead : true,

  //             result : data,

  //             message: "Successfully Read",
  //         })

  //     }
  // })



  try {
    const data = await Category.find({}).populate("products");

    const allProduct = await Product.find({});

    console.log(allProduct.length);

    const  reverseProduct = allProduct.reverse();

    const newlyAddedProduct = reverseProduct.slice(0,6);



    const randomSuffle = shuffle(allProduct);

    const randomProduct = randomSuffle.slice(0,15);








    res.status(200).json({
      dataRead: true,


      result:   {
          category : data,

     randomProduct : randomProduct,

      newlyAddedProduct : newlyAddedProduct,
      },



      message: "Successfully Read",
    });
  } catch (err) {
    res.status(500).json({
      dataRead: false,

      msg : err,

      error: "There was a server site error",
    });
  }
});

router.get("/:id", (req, res) => {
  Category.find({ _id: req.params.id })
    .populate("products")
    .exec((err, data) => {
      if (err) {
        res.status(500).json({
          dataRead: false,

          error: "There was a server site error",
        });
      } else {
        res.status(200).json({
          dataRead: true,

          result: data,

          message: "Successfully Read",
        });
      }
    });
});

router.put("/:id", (req, res) => {
  Category.findByIdAndUpdate(
    {
      _id: req.params.id,
    },
    {
      $set: {
        pic: req.body.pic,
      },
    },
    {
      new: true,
      useFindAndModify: false,
    },
    (err, data) => {
      if (err) {
        res.status(500).json({
          error: "There was a server side error!",
          updateCount: false,
        });
      } else {
        res.status(200).json({
          message: "Category was updated successfully!",
          result: data,
          updateCount: true,
        });
      }
    }
  );
});

module.exports = router;