import { fetchData } from '@/lib/data-service';

export const fetchShippingMethods = async (authToken: string) => {
  try {
    const res = await fetchData(
      `${process.env.NEXT_PUBLIC_API_URL}/shipping-options`,
      {
        headers: {
          Authorization: `Bearer ${authToken}`,
          "Content-Type": "application/json",
        },
        credentials: "include",
      }
    );

    console.log("Shipping Methods Response:", res);

    if (!res) throw new Error("Failed to fetch shipping options");
    return res
  } catch (error) {
    console.error("Error loading shipping options:", error);
    throw error;
  }
};

interface ShippingMethod {
  name: string;
  price: number;
  _id?: string;
}

export const addShippingMethod = async (
  authToken: string,
  newShipping: Omit<ShippingMethod, "_id">
): Promise<ShippingMethod[]> => {
  try {
    const res = await fetchData(
      `${process.env.NEXT_PUBLIC_API_URL}/shipping-options`,
      {
        method: "POST",
        headers: {
          Authorization: `Bearer ${authToken}`,
          "Content-Type": "application/json",
        },
        credentials: "include",
        body: JSON.stringify(newShipping),
      }
    );

    if (!res.ok) {
      const errorData = await res.json();
      throw new Error(errorData.message || "Failed to add shipping method");
    }

    return await res.json();
  } catch (error) {
    console.error("Error adding shipping method:", error);
    throw new Error(
      error instanceof Error
        ? error.message
        : "An unexpected error occurred while adding shipping method"
    );
  }
};

export const deleteShippingMethod = async (authToken: string, id: string) => {
  try {
    const res = await fetchData(
      `${process.env.NEXT_PUBLIC_API_URL}/shipping-options/${id}`,
      {
        method: "DELETE",
        headers: { Authorization: `Bearer ${authToken}` },
        credentials: "include",
      }
    );

    if (!res.ok) throw new Error("Failed to delete shipping method");
    return { success: res.status === 204 };
  } catch (error) {
    console.error("Error deleting shipping method:", error);
    throw error;
  }
};

export const updateShippingMethod = async (
  authToken: string,
  id: string,
  updatedShipping: any
) => {
  try {
    const res = await fetchData(
      `${process.env.NEXT_PUBLIC_API_URL}/shipping-options/${id}`,
      {
        method: "PUT",
        headers: {
          Authorization: `Bearer ${authToken}`,
          "Content-Type": "application/json",
        },
        credentials: "include",
        body: JSON.stringify(updatedShipping),
      }
    );

    if (!res) throw new Error("Failed to update shipping method");
    return res
  } catch (error) {
    console.error("Error updating shipping method:", error);
    throw error;
  }
};