"use server";

import { getAuth } from "@/auth/queries/getauth";
import { daphnis } from "@/lib/prisma";
import { randomUUID } from "crypto";
import { randomBytes } from "crypto";
import { redirect } from "next/navigation";

export async function generateShareToken(id: number): Promise<{
  token?: string; // share token 
  id?: string;    // playlog id after the token
  error?: string;  // error 
}> {
  const { user } = await getAuth();

  if (!user || !user.id || typeof user.id !== "string") {
    return {
      error: "Invalid user or user ID",
    };
  }
  // generate the token that expires
  const gernatetoken = randomBytes(5).readUInt32BE(0).toString();

  // generate  token logic
  const token = await daphnis.linkSharingToken.create({
    data: {
      playlogId: id, // sets the playlog id 
      id: randomUUID(), // generates a random share id
      userId: user.id,  // attaches the userid 
      token: gernatetoken,  // makes an expirable token
      createdAt: new Date(), // created  at date
    },
  });

  return { token: token.token };
}

export async function shareScore(token: string) {
  const PublicPage = await daphnis.linkSharingToken.findUnique({
    where: {
      token,
    },
  });

  if (!PublicPage) {
    return {
      error: "Invalid token or token does not exist",
    };
  }

  // Check if token has expired
  const tokenAge =
    new Date().getTime() - new Date(PublicPage.createdAt).getTime();
  const tokenAgeLimit = 1000 * 60 * 60 * 24; // 1 day in milliseconds

  if (tokenAge > tokenAgeLimit) {
    await daphnis.linkSharingToken.update({
      where: {
        token,
      },
      data: {
        tokenExpiredAt: new Date(),
      },
    });
    redirect("/");
  }

  return { success: true };
}