import type { Metadata } from "next";
import { headers } from "next/headers";
import { auth } from "@/lib/auth/server";
import { db, userAiKeys, userModelPrefs, eq } from "@epicure/db";
import { ByokManager } from "@/components/settings/byok-manager";
import { ModelPrefsForm } from "@/components/settings/model-prefs-form";

export const metadata: Metadata = { title: "AI & Models – Settings" };

export default async function AiSettingsPage() {
  const session = await auth.api.getSession({ headers: await headers() });
  if (!session) return null;

  const [aiKeys, modelPrefs] = await Promise.all([
    db.query.userAiKeys.findMany({
      where: eq(userAiKeys.userId, session.user.id),
      columns: { provider: true },
    }),
    db.query.userModelPrefs.findFirst({
      where: eq(userModelPrefs.userId, session.user.id),
    }),
  ]);

  return (
    <div className="space-y-8">
      <section className="rounded-xl border p-6 space-y-4">
        <div>
          <h2 className="font-semibold text-lg">Your API Keys (BYOK)</h2>
          <p className="text-sm text-muted-foreground mt-1">
            Use your own API keys instead of the app&apos;s shared quota. Keys are encrypted at rest.
          </p>
        </div>
        <ByokManager initialKeys={aiKeys.map((k) => k.provider)} />
      </section>

      <section className="rounded-xl border p-6 space-y-4">
        <div>
          <h2 className="font-semibold text-lg">Model Preferences</h2>
          <p className="text-sm text-muted-foreground mt-1">
            Choose which model to use for each task. Defaults to your first configured provider.
          </p>
        </div>
        <ModelPrefsForm initialPrefs={modelPrefs ?? null} />
      </section>
    </div>
  );
}
