"use server";
import type { AsyncRes } from "@/lib/types";
import db from "../lib/db";
import { useCookies } from "../lib/server/cookiebridge";

export type FormState = {
  name?: string;
  password?: string;
  error?: string;
  success?: boolean;
};
async function call(
  formData: FormData,
  register: boolean,
): AsyncRes<number | bigint> {
  const nam = formData.get("username");
  const creds = formData.get("password");
  const password = await Bun.password.hash(creds!.toString());
  const name = nam!.toString();
  try {
    const res = register
      ? db.addUser(name, password)
      : await db.loginUser(name, creds!.toString());
    return res;
  } catch (e) {
    console.error(e);
    return { error: `${e}` };
  }
}

export async function postRegister(
  prevState: FormState,
  formData: FormData,
): Promise<FormState> {
  // "use server";
  const res = await call(formData, true);
  console.log("reg res", res);
  if ("error" in res) return { error: "Something went wrong" };
  else {
    return { success: true };
  }
}

export async function postLogin(
  prevState: FormState,
  formData: FormData,
): Promise<any> {
  console.log(formData);
  const res = await call(formData, false);
  console.log({ res });
  if ("error" in res) return { error: res.error };
  else {
    // Set the cookie
    await setCookie(res.ok as number);
    
    // Return success for client-side handling
    return { 
      success: true, 
      userId: res.ok,
      redirect: "/"
    };
  }
}
async function setCookie(userId: number) {
  // Set cookie expiry for 30 days
  const COOKIE_EXPIRY = Date.now() + 1000 * 60 * 60 * 24 * 30;
  
  // Generate a secure random token for the cookie
  const { randomBytes } = await import("node:crypto");
  const cookieToken = randomBytes(32).toString("base64");
  
  // Store the cookie in the database
  const res = db.setCookie(cookieToken, userId, COOKIE_EXPIRY);
  
  // Set the cookie in the response
  const { setCookie } = useCookies();
  setCookie(cookieToken);
  
  console.log("Cookie set for user ID:", userId);
  
  // Redirect is managed by client after successful login
}

// export async function postLogout(prev: number) {
//   const { delCookie } = cookies();
//   const rest = delCookie("sorlang");
//   return prev + 9;
// }