import { isAxiosError } from "axios";
import { API_ENDPOINTS } from "../config/api";
import { apiClient, withAuth } from "./client";

export interface Gym {
  id: string;
  name: string;
  location?: string;
}

export const gymsApi = {
  getGyms: async (token: string | null): Promise<Gym[]> => {
    try {
      const response = await apiClient.get<Gym[] | { data?: Gym[] }>(
        API_ENDPOINTS.GYMS,
        withAuth(token),
      );

      const payload = response.data;
      if (Array.isArray(payload)) {
        return payload;
      }

      if (payload && Array.isArray(payload.data)) {
        return payload.data;
      }

      return [];
    } catch (error) {
      if (isAxiosError(error) && error.response) {
        throw new Error(`Failed to fetch gyms: ${error.response.status}`);
      }
      throw new Error("Failed to fetch gyms");
    }
  },

  updateUserGym: async (
    gymId: string | null,
    token: string | null,
  ): Promise<void> => {
    try {
      await apiClient.patch(
        API_ENDPOINTS.USERS.GYM,
        { gymId },
        withAuth(token),
      );
    } catch (error) {
      if (isAxiosError(error) && error.response) {
        throw new Error(
          `Failed to update gym selection: ${error.response.status}`,
        );
      }
      throw new Error("Failed to update gym selection");
    }
  },
};