import { eq } from "../drizzle.js";
import { db } from "../db.js";
import { workspaces } from "../schema.js";

const UUID_RE = /^[0-9a-f]{8}-[0-9a-f]{4}-[0-9a-f]{4}-[0-9a-f]{4}-[0-9a-f]{12}$/i;

/**
 * Resolves a workspace handle (UUID or slug) to a `{ id, slug, name }` record.
 * MCP tools accept either since agents may have hard-coded either form. Throws
 * a friendly Error if no row matches so `toolCatch` can surface the message.
 */
export async function resolveWorkspaceHandle(
  handle: string,
): Promise<{ id: string; slug: string; name: string }> {
  const cleaned = handle.trim();
  if (!cleaned) {
    throw new Error("Workspace handle is required");
  }
  const cond = UUID_RE.test(cleaned)
    ? eq(workspaces.id, cleaned)
    : eq(workspaces.slug, cleaned);
  const [row] = await db
    .select({ id: workspaces.id, slug: workspaces.slug, name: workspaces.name })
    .from(workspaces)
    .where(cond)
    .limit(1);
  if (!row) {
    throw new Error(`Workspace not found for handle "${handle}"`);
  }
  return row;
}