import { z } from "zod";

/**
 * Compile a checked-in JSON Schema and assert a concrete artifact against it.
 * Conversion failures are fatal too: an unsupported or malformed schema must
 * not silently turn a release schema into documentation-only metadata.
 */
export function assertMatchesJsonSchema(
  schemaDocument: unknown,
  value: unknown,
  label: string,
): void {
  try {
    const schema = z.fromJSONSchema(schemaDocument as never);
    const result = schema.safeParse(value);
    if (!result.success) {
      throw new TypeError(z.prettifyError(result.error));
    }
  } catch (error) {
    throw new TypeError(`${label} does not satisfy its checked-in JSON Schema.`, {
      cause: error,
    });
  }
}