"use server";

import { revalidatePath } from "next/cache";
import { requirePipelineAdmin } from "@/lib/render-pipeline/session-auth";
import { PipelineError } from "@/lib/render-pipeline/errors";
import {
  createMovReviewPackage,
  previewMovReviewPackage,
} from "@/lib/render-pipeline/reviews";

/**
 * Server actions behind "Build MOV Review Package" on the shot-status page
 * (RenderPipeline2 §11.6). The heavy lifting lives in lib/render-pipeline;
 * these only carry the session and turn service errors into messages a toast
 * can show.
 */

function message(err: unknown): string {
  if (err instanceof PipelineError) return err.message;
  return err instanceof Error ? err.message : "Unknown error";
}

/** What the confirm dialog shows: the folder, the resolved versions, the gaps. */
export async function previewMovReview(shotIds: string[]) {
  try {
    await requirePipelineAdmin();
    const preview = await previewMovReviewPackage(shotIds);
    return { ok: true as const, ...preview };
  } catch (err) {
    return { ok: false as const, error: message(err) };
  }
}

export async function buildMovReview(shotIds: string[]) {
  try {
    const user = await requirePipelineAdmin();
    const result = await createMovReviewPackage({ shotIds }, user.id);
    revalidatePath("/pipeline/deliveries");
    return { ok: true as const, ...result };
  } catch (err) {
    return { ok: false as const, error: message(err) };
  }
}