import { NextRequest } from "next/server";
import { getTask, getEstimatedTime } from "@/lib/testcase-backend";

export async function GET(
  _req: NextRequest,
  { params }: { params: Promise<{ taskId: string }> }
) {
  const { taskId } = await params;
  if (!taskId) {
    return Response.json({ error: "缺少 taskId" }, { status: 400 });
  }

  const task = getTask(taskId);
  if (!task) {
    return Response.json({ error: "任务未找到" }, { status: 404 });
  }

  const runningTime = Math.floor((Date.now() - task.createdAt.getTime()) / 1000);
  const estimated_time = getEstimatedTime(task.serviceLevel, task.testCaseCount);

  return Response.json({
    task_id: task.id,
    status: task.status,
    progress: task.progress,
    title: task.title,
    english_name: task.englishName,
    test_case_count: task.testCaseCount,
    generated_cases: task.generatedCases ?? 0,
    service_level: task.serviceLevel,
    created_at: task.createdAt,
    updated_at: task.updatedAt,
    running_time: runningTime,
    estimated_time,
    error_message: task.errorMessage ?? undefined,
    currentMessage: task.currentMessage ?? undefined,
  });
}