import "server-only";

import { eq } from "drizzle-orm";
import { getServerSession } from "next-auth";
import { db } from "@/db";
import { users } from "@/db/schema";
import { getSessionDiscordId, type SessionWithDiscord } from "@/lib/auth/auth";
import { authOptions } from "@/lib/auth/auth-options";
import { ShareHttpError } from "@/lib/share/http-error";

export async function requireShareAuthor() {
  const session = await getServerSession(authOptions);
  const discordId = getSessionDiscordId(session);
  const userId = (session as SessionWithDiscord | null)?.user?.id;
  if (!discordId || !userId) {
    throw new ShareHttpError("Unauthorized", 401);
  }

  const [user] = await db
    .select({ id: users.id, name: users.name, image: users.image })
    .from(users)
    .where(eq(users.id, userId))
    .limit(1);
  if (!user) throw new ShareHttpError("Unauthorized", 401);

  return {
    userId: user.id,
    discordId,
    displayName: user.name || session?.user?.name || "Discord user",
    avatarUrl: user.image || session?.user?.image || null,
  };
}