import type { UpdateWorkOrderInput } from "@/lib/work-orders/schemas";
import { requireApiContext } from "@/server/api/context";
import { json, optionalVersion, readJsonObject, withApi } from "@/server/api/respond";
import { computeCompletionBlockers } from "@/server/services/work-orders/completion";
import { availableTransitions, getWorkOrderDetail } from "@/server/services/work-orders/detail";
import { updateWorkOrder } from "@/server/services/work-orders/update";

type Params = { params: Promise<{ id: string }> };

/** GET /api/v1/work-orders/[id] — detail incl. transitions available to the caller and completion blockers. */
export const GET = withApi(async (_req: Request, { params }: Params) => {
  const ctx = await requireApiContext("work_orders");
  const { id } = await params;
  const wo = await getWorkOrderDetail(ctx, id);
  const blockers = await computeCompletionBlockers(ctx, id);
  return json({ workOrder: wo, availableTransitions: availableTransitions(ctx, wo.status), completionBlockers: blockers });
});

/** PATCH /api/v1/work-orders/[id] — body: partial master data + optional baseVersion (409 on mismatch). */
export const PATCH = withApi(async (req: Request, { params }: Params) => {
  const ctx = await requireApiContext("work_orders");
  const { id } = await params;
  const { baseVersion, ...patch } = await readJsonObject(req);
  return json(await updateWorkOrder(ctx, id, patch as UpdateWorkOrderInput, optionalVersion(baseVersion)));
});