import { defineStore } from 'pinia'
import type { Category, Order, Product } from '@/main'
import { ref } from 'vue'
import { axiosInstance } from '@/main'

export const useCategoriesStore = defineStore('categories', () => {
  const categories = ref<Array<Category>>([]);

  async function fetchCategories() {
    const response = await axiosInstance.get('/towary', {withCredentials: true});
    categories.value = response.data;

    if(categories.value != undefined) {
      for (const category of categories.value) {
        for (const product of category.Towary) {
          product.Options = new Array(product.Twr_JM);
          product.ChosenOption = product.Twr_JM;
          product.BasePrice = product.Twr_Cena;
          product.BasePriceZ = product.Twr_CenaZ;
          product.SummedQuantity = 0;
          product.SummedPrice = 0;
          if (product.Twr_JMZ != null) {
            product.Options.push(product.Twr_JMZ);
          }
        }
      }
    }
  }

  async function sumProductsFromOrders(orders : Array<Order>) {
    const productsMap = new Map<string, Product>();

    await fetchCategories();

    if(categories.value != undefined) {
      for (const category of categories.value) {
        for (const product of category.Towary) {
          productsMap.set(product.Twr_TwrId.toString(), product);
        }
      }
    }

    if(orders != undefined) {
      for (const order of orders) {
        for (const product of order.MZamElem) {
          const mapProduct = productsMap.get(String(product.MZE_TwrId));
          if (product.MZE_TwrJm == mapProduct?.Twr_JM) {
            mapProduct.SummedQuantity += Number(product.MZE_TwrIlosc);
            mapProduct.SummedPrice += (Number(product.MZE_TwrCena) * Number(product.MZE_TwrIlosc));
          }
          else if (product.MZE_TwrJm == mapProduct?.Twr_JMZ) {
            mapProduct.SummedQuantity += (Number(product.MZE_TwrIlosc) * Number(mapProduct.Twr_JMPrzelicznikL)/Number(mapProduct.Twr_JMPrzelicznikM));

            mapProduct.SummedPrice += (Number(product.MZE_TwrCena) * Number(product.MZE_TwrIlosc));
          }
        }
      }
    }
    return productsMap;
  }

  return {categories, fetchCategories, sumProductsFromOrders}
})