import { z } from "zod";
import { StageKey } from "./run.js";

export const EventLevel = z.enum(["debug", "info", "warn", "error"]);

/** Structured run event. Workers emit these; the control plane persists them with a monotonically increasing seq. */
export const RunEvent = z.object({
  kind: z.string().min(1).max(64),
  level: EventLevel.default("info"),
  stage: StageKey.optional(),
  message: z.string().max(4000),
  data: z.record(z.string(), z.unknown()).optional(),
  at: z.string().datetime(),
});
export type RunEvent = z.infer<typeof RunEvent>;
export type RunEventInput = z.input<typeof RunEvent>;

export const PersistedRunEvent = RunEvent.extend({
  seq: z.number().int(),
  runId: z.string().uuid(),
  attemptId: z.string().uuid().nullable(),
  workerId: z.string().uuid().nullable(),
});
export type PersistedRunEvent = z.infer<typeof PersistedRunEvent>;