import { Collection, CREATED_AT_KEY, ID_KEY, UPDATED_AT_KEY } from "../src/collection";
import EncryptedFSAdapter from "../src/adapter/enc_fs";
import FSAdapter from "../src/adapter/fs";
import { ShardedCollection } from "../src/sharded_collection";

const getCollection = <T>({ name = "test", integerIds = false, populate = true, timestamps = true }): Collection<T> => {
  const collection = new Collection<T>({
    autosync: false,
    integerIds,
    timestamps,
    adapter: new FSAdapter({ storagePath: ".test", name }),
  });
  collection.drop();

  if (populate) {
    // Adding some items to ensure that result sets correctly
    // ignore unmatched queries in all cases.
    // @ts-ignore
    collection.insert({ xxx: "xxx" });
    // @ts-ignore
    collection.insert({ yyy: "yyy" });
    // @ts-ignore
    collection.insert({ zzz: "zzz" });
  }

  return collection;
};

const getEncryptedCollection = <T>({ name = "test", integerIds = false }): Collection<T> => { 
  return new Collection<T>({
    autosync: false,
    integerIds,
    adapter: new EncryptedFSAdapter({ storagePath: ".test", name }),
  });
};

export function testCollection<T>({ name = "test", integerIds = false, populate = true, timestamps = true } = {}): Collection<T> {
  return getCollection({ name, integerIds, populate, timestamps });
}

export function testCollectionEncrypted<T>({ name = "test", integerIds = false } = {}): Collection<T> {
  return getEncryptedCollection({ name, integerIds });
}

export function getShardedCollection<T>({ name ="testShard", autosync = true, integerIds = false } = {}): ShardedCollection<T> {
  return new ShardedCollection<T>(
    { autosync, integerIds },
    {
      shardKey: "key",
      shardCount: 3,
      adapter: FSAdapter,
      adapterOptions: { name, storagePath: ".test" },
    },
  );
};

export function nrml<T>(results: T[], { keepIds = false } = {}): T[] {
  // Remove all the _id fields, and
  // remove all the `_created_at` and `_updated_at` fields.
  return results.map((result) => {
    if (!keepIds) {
      delete result[ID_KEY];
    }

    delete result[CREATED_AT_KEY];
    delete result[UPDATED_AT_KEY];
    return result;
  }); }