import { prisma } from "@/lib/db";
import { encryptSecret } from "@/lib/crypto";

// settings field -> (config key, is secret)
const FIELDS: Record<string, { key: string; secret: boolean }> = {
  qobuzEmail: { key: "qobuz.email", secret: false },
  qobuzPassword: { key: "qobuz.password", secret: true },
  qobuzUserId: { key: "qobuz.user_id", secret: false },
  qobuzToken: { key: "qobuz.auth_token", secret: true },
  slskdUrl: { key: "slskd.url", secret: false },
  slskdApiKey: { key: "slskd.api_key", secret: true },
};

export async function PUT(request: Request) {
  let body: Record<string, unknown>;
  try {
    body = (await request.json()) as Record<string, unknown>;
  } catch {
    return Response.json({ error: "invalid JSON" }, { status: 400 });
  }

  for (const [field, { key, secret }] of Object.entries(FIELDS)) {
    const raw = body[field];
    if (typeof raw !== "string" || raw === "") continue; // absent or "unchanged"
    const value = secret ? encryptSecret(raw) : raw;
    await prisma.config.upsert({
      where: { key },
      create: { key, value, secret },
      update: { value, secret },
    });
  }

  return Response.json({ ok: true });
}

export async function GET() {
  const rows = await prisma.config.findMany();
  const byKey = new Map(rows.map((r) => [r.key, r]));
  return Response.json({
    qobuzEmail: byKey.get("qobuz.email")?.value ?? "",
    qobuzUserId: byKey.get("qobuz.user_id")?.value ?? "",
    slskdUrl: byKey.get("slskd.url")?.value ?? "",
    qobuzPasswordSet: byKey.has("qobuz.password"),
    qobuzTokenSet: byKey.has("qobuz.auth_token"),
    slskdApiKeySet: byKey.has("slskd.api_key"),
  });
}