// /components/seed/seedService.js
'use strict';

const { SeedLock, SEED_LOCK_KEY } = require('./seedLockModel');
const seedDatabase = require('../../seed');
const AppError = require('../../utils/AppError');

const getStatus = async () => {
  const doc = await SeedLock.findOne({ key: SEED_LOCK_KEY }).lean();
  return {
    locked: Boolean(doc?.locked),
    lockedAt: doc?.lockedAt || null
  };
};

const runSeed = async (userId) => {
  const existing = await SeedLock.findOne({ key: SEED_LOCK_KEY });
  if (existing?.locked) {
    throw new AppError('SEED_LOCKED');
  }

  const result = await seedDatabase({ disconnectOnComplete: false });

  await SeedLock.findOneAndUpdate(
    { key: SEED_LOCK_KEY },
    {
      $set: {
        locked: true,
        lockedAt: new Date(),
        lockedBy: userId || undefined
      }
    },
    { upsert: true, new: true }
  );

  return {
    ...result,
    locked: true
  };
};

module.exports = {
  getStatus,
  runSeed
};