import { useMyFetch } from "#imports";
import type {
  CartItem,
  GenericResponse,
  GenericResponseChildren,
  GenericResponseItems,
  UserCart,
} from "~/types";
import type { Product } from "~/types/product";

export const useProductStore = defineStore("productStore", () => {
  const productList = ref<Product[]>();
  const modules = ref();

  async function getList(count: number, categoryId = 1) {
    try {
      const { data } = await useMyFetch<GenericResponseItems<[]>>(
        `/api/public/products/category/${categoryId}?p=1&elems=${count}`,
        {
          headers: {
            "Content-Type": "application/json",
          },
          onErrorOccured: async (_, status) => {
            // await navigateTo("/error", { replace: true });
            throw createError({
              statusCode: status,
              statusMessage: `HTTP error: ${status}`,
            });
          },
        }
      );

      productList.value = data.items;
    } catch (error) {
      console.error("getList error:", error);
    }
  }

  async function getModules() {
    try {
      const { data } = await useMyFetch<GenericResponseChildren<[]>>(
        `/api/public/module/e_shop`,
        {
          headers: {
            "Content-Type": "application/json",
          },
          onErrorOccured: (_, status) => {
            throw new Error(`HTTP error: ${status}`);
          },
        }
      );

      modules.value = data.children.find(
        (item: { id: number; name: string }) =>
          item.name === "currency_rates_bar"
      );
    } catch (error) {
      console.error("getList error:", error);
    }
  }

  async function incrementCartItem(id: number) {
    try {
      await useMyFetch(
        `/api/public/user/cart/item/add/${id}/1`,
        {
          method: "PUT",
          headers: {
            "Content-Type": "application/json",
          },
          onErrorOccured: (_, status) => {
            throw new Error(`HTTP error: ${status}`);
          },
        }
      );

      getCart();
    } catch (error) {
      console.error("getList error:", error);
    }
  }

  async function decrementCartItem(id: number) {
    try {
      await useMyFetch(
        `/api/public/user/cart/item/subtract/${id}/1`,
        {
          method: "PUT",
          headers: {
            "Content-Type": "application/json",
          },
          onErrorOccured: (_, status) => {
            throw new Error(`HTTP error: ${status}`);
          },
        }
      );

      getCart();
    } catch (error) {
      console.error("removeFromCart error:", error);
    }
  }

  async function deleteCartItem(id: number) {
    try {
      await useMyFetch(
        `/api/public/user/cart/item/${id}`,
        {
          method: "DELETE",
          headers: {
            "Content-Type": "application/json",
          },
          onErrorOccured: (_, status) => {
            throw new Error(`HTTP error: ${status}`);
          },
        }
      );

      getCart();
    } catch (error) {
      console.error("removeFromCart error:", error);
    }
  }

  const cart = ref({} as UserCart);
  async function getCart() {
    try {
      const { data } = await useMyFetch<GenericResponse<UserCart>>(
        `/api/public/user/cart`,
        {
          headers: {
            "Content-Type": "application/json",
          },
          onErrorOccured: (_, status) => {
            throw new Error(`HTTP error: ${status}`);
          },
        }
      );

      cart.value = data;
    } catch (error) {
      console.error("getList error:", error);
    }
  }

  return {
    productList,
    modules,
    cart,
    getList,
    getModules,
    incrementCartItem,
    decrementCartItem,
    deleteCartItem,
    getCart,
  };
});