import "server-only";

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

export async function requireShareAuthor() {
  const session = await getServerSession(authOptions);
  const { discordId, userId } = requireShareSessionIdentity(
    session as SessionWithDiscord | null,
  );

  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);

  const profile = await getDiscordMemberProfile(discordId);

  return {
    userId: user.id,
    discordId,
    displayName:
      profile?.globalName?.trim() ||
      profile?.username ||
      user.name ||
      session?.user?.name ||
      "Discord user",
    avatarUrl: profile?.avatarUrl || user.image || session?.user?.image || null,
  };
}