import { NextResponse } from "next/server";

import { applyTaskCallback } from "@/lib/tasks";

export async function POST(
  request: Request,
  { params }: { params: Promise<{ id: string }> },
) {
  const { id } = await params;
  const numericId = Number(id);
  if (!Number.isInteger(numericId) || numericId <= 0) {
    return NextResponse.json({ error: "invalid_task_id" }, { status: 400 });
  }

  const payload = (await request.json()) as {
    status?: "Backlog" | "Todo" | "In Progress" | "Review" | "Done";
    dispatch_state?: "planned" | "assigned" | "dispatched" | "acknowledged" | "completed" | "failed";
    summary?: string | null;
    detail?: string | null;
    completed_by?: string | null;
    last_error?: string | null;
    last_dispatch_at?: string | null;
  };

  const updated = await applyTaskCallback(numericId, payload);
  if (!updated) {
    return NextResponse.json({ error: "task_not_found" }, { status: 404 });
  }

  return NextResponse.json(updated);
}