export interface RegistryRow {
  id: string;
  owner_sub: string;
  tenant_id: string;
  name: string;
  url: string;
  config: unknown;
  created_at: Date;
}

export interface PoolLike {
  query(text: string, values?: unknown[]): Promise<{ rows: Record<string, unknown>[] }>;
}

function toRegistry(row: Record<string, unknown>): {
  id: string;
  name: string;
  url: string;
  config: unknown;
  createdAt: string;
} {
  return {
    id: String(row.id),
    name: String(row.name),
    url: String(row.url),
    config: row.config,
    createdAt: new Date(row.created_at as string).toISOString(),
  };
}

export async function listRegistries(db: PoolLike, ownerSub: string, tenantId: string) {
  const res = await db.query(
    "SELECT id, owner_sub, tenant_id, name, url, config, created_at FROM registries WHERE owner_sub = $1 AND tenant_id = $2 ORDER BY created_at DESC",
    [ownerSub, tenantId],
  );
  return res.rows.map(toRegistry);
}

export async function createRegistry(
  db: PoolLike,
  ownerSub: string,
  tenantId: string,
  input: { name: string; url: string; config?: unknown },
) {
  const res = await db.query(
    "INSERT INTO registries (owner_sub, tenant_id, name, url, config) VALUES ($1, $2, $3, $4, $5::jsonb) RETURNING id, owner_sub, tenant_id, name, url, config, created_at",
    [ownerSub, tenantId, input.name, input.url, JSON.stringify(input.config ?? {})],
  );
  return toRegistry(res.rows[0]);
}

export async function getRegistry(db: PoolLike, ownerSub: string, tenantId: string, id: string) {
  const res = await db.query(
    "SELECT id, owner_sub, tenant_id, name, url, config, created_at FROM registries WHERE owner_sub = $1 AND tenant_id = $2 AND id = $3",
    [ownerSub, tenantId, id],
  );
  return res.rows[0] ? toRegistry(res.rows[0]) : null;
}