import { commandIds } from "@commands/ids";
import type { GenerationJobKind } from "@editor/state";
import type { AppStore } from "@editor/store";

export async function runGenerationJob(options: {
  kind: GenerationJobKind;
  label: string;
  dispatch: AppStore["dispatch"];
  signal: AbortSignal;
  task: (signal: AbortSignal) => Promise<void>;
}): Promise<void> {
  const jobId = crypto.randomUUID();
  const startedAt = Date.now();
  const nextState = options.dispatch(commandIds.generationStartJob, { jobId, kind: options.kind, label: options.label, startedAt });
  if (!nextState.editor.generation.jobs.some((job) => job.id === jobId && job.status === "running")) return;

  try {
    await options.task(options.signal);
    options.dispatch(commandIds.generationSucceedJob, { jobId, finishedAt: Date.now() });
  } catch (reason: unknown) {
    if (options.signal.aborted) {
      options.dispatch(commandIds.generationCancelJob, { jobId, finishedAt: Date.now() });
      return;
    }
    options.dispatch(commandIds.generationFailJob, {
      jobId,
      finishedAt: Date.now(),
      error: reason instanceof Error ? reason.message : `${options.label} failed`,
    });
  }
}