import fs from "node:fs";
import path from "node:path";
import { listExportTasksByUser, markExportTaskExpired } from "#server/service/export/jobs";
import { R } from "#server/utils/response";

export default defineWrappedResponseHandler(async (event) => {
  const user = await event.context.auth.requireUser();
  const tasks = await listExportTasksByUser(user.id);
  const now = Date.now();
  const normalizedTasks = await Promise.all(
    tasks.map(async (task) => {
      if (task.status !== "succeeded") {
        return task;
      }
      if (!task.expiresAt || task.expiresAt.getTime() <= now) {
        return markExportTaskExpired(task.id, "导出结果已过期，请重新导出");
      }
      if (!task.outputDir || !task.outputName) {
        return markExportTaskExpired(task.id, "导出结果缺失，请重新导出");
      }
      const manifestPath = path.resolve(task.outputDir, "manifest.json");
      if (!fs.existsSync(manifestPath)) {
        return markExportTaskExpired(task.id, "导出文件已丢失，请重新导出");
      }
      return task;
    }),
  );
  return R.success({
    items: normalizedTasks.map((task) => ({
      id: task.id,
      status: task.status,
      maskPolicy: task.maskPolicy,
      outputName: task.outputName,
      totalBytes: task.totalBytes,
      errorCode: task.errorCode,
      errorMessage: task.errorMessage,
      createdAt: task.createdAt.toISOString(),
      updatedAt: task.updatedAt.toISOString(),
      expiresAt: task.expiresAt ? task.expiresAt.toISOString() : null,
    })),
  });
});