import type { Metadata } from "next";
import { getAllSiteSettings, isSignupsDisabled } from "@/lib/site-settings";
import { AdminSettingsForm } from "@/components/admin/admin-settings-form";
import { SignupsToggle } from "@/components/admin/signups-toggle";
import { requireFullAdminPage } from "@/lib/require-admin-page";

export const metadata: Metadata = {};

const SETTING_GROUPS = [
  {
    title: "Push Notifications (VAPID)",
    description: "Keys for web push notifications. Generate with: npx web-push generate-vapid-keys",
    keys: ["NEXT_PUBLIC_VAPID_PUBLIC_KEY", "VAPID_PRIVATE_KEY"] as const,
  },
  {
    title: "Gitea Integration",
    description:
      "Support tickets submitted in-app automatically open an issue on this Gitea repo. Setup: " +
      "GITEA_URL = your Gitea base URL, no trailing slash (e.g. https://git.example.com). " +
      "GITEA_REPO = owner/repo (e.g. owner/my-app). " +
      "GITEA_TOKEN = a personal access token — Gitea → Settings → Applications → Generate New Token — " +
      "with the \"issue\" scope (read + write) only; nothing broader is needed since this integration " +
      "never touches code or repo settings, just creates issues.",
    keys: ["GITEA_URL", "GITEA_TOKEN", "GITEA_REPO"] as const,
  },
  {
    title: "USDA FoodData Central",
    description:
      "Improves recipe nutrition estimates with real per-ingredient data instead of AI-only guesses, " +
      "for ingredients whose quantity/unit can be converted to grams. Free — get a key at " +
      "fdc.nal.usda.gov/api-key-signup. Unset falls back to the previous AI-only estimation for every ingredient.",
    keys: ["USDA_API_KEY"] as const,
  },
];

export default async function AdminSettingsPage() {
  await requireFullAdminPage();
  const settings = await getAllSiteSettings();
  const signupsDisabled = await isSignupsDisabled();

  return (
    <div className="space-y-8">
      <div>
        <h1 className="text-2xl font-bold tracking-tight">Site Settings</h1>
        <p className="text-muted-foreground text-sm mt-1">
          Override .env values at runtime. DB values take precedence over environment variables.
          Clear a value to fall back to the environment variable. AI provider keys and model
          defaults have moved to AI Config.
        </p>
      </div>

      <SignupsToggle initialDisabled={signupsDisabled} />

      {SETTING_GROUPS.map((group) => (
        <AdminSettingsForm key={group.title} group={group} settings={settings} />
      ))}
    </div>
  );
}