"use server";

import { revalidatePath } from "next/cache";
import { saveGarminCredentials } from "@/lib/models/garmin-auth";
import { getCurrentUserId } from "@/lib/session";

export type SaveGarminCredentialsState = { error: string } | { success: true } | null;

export async function saveGarminCredentialsAction(
  _prevState: SaveGarminCredentialsState,
  formData: FormData
): Promise<SaveGarminCredentialsState> {
  const email = formData.get("email");
  const password = formData.get("password");

  if (typeof email !== "string" || !email.includes("@")) {
    return { error: "Podaj prawidłowy adres e-mail." };
  }
  if (typeof password !== "string" || password.length < 1) {
    return { error: "Podaj hasło." };
  }

  const userId = await getCurrentUserId();
  await saveGarminCredentials(userId, email.trim(), password);

  revalidatePath("/settings");
  return { success: true };
}