"use client";
import { useMutation } from "@tanstack/react-query";
import { apiClient } from "@/lib/apiClient";
import { useAuthStore } from "@/stores/authStore";
import type { RegisterRequest, LoginResponse } from "@/types/auth";

async function registerFn(data: RegisterRequest): Promise<LoginResponse> {
  const res = await apiClient.post<LoginResponse>("/api/auth/register", data);
  return res.data;
}

export function useRegister(onSuccess?: () => void) {
  const { login } = useAuthStore();

  return useMutation({
    mutationFn: registerFn,
    onSuccess: (data) => {
      login(
        { id: "", name: "", email: "", role: "student" },
        data.token,
      );
      localStorage.setItem("refreshToken", data.refreshToken);
      onSuccess?.();
    },
  });
}