import { AccountMeta } from "@solana/web3.js";
import cloneDeep from "deep-clone";
import { AccountsArray } from "../index";
// TODO: there is probably a faster way to do this
export const deepCloneObject = <T>(obj: T): T => {
  return cloneDeep(obj);
};

export const findAllIndexes = <T>(
  arr: T[],
  discriminator: (T) => boolean
): number[] => {
  var indexes = [];
  for (let i = 0; i < arr.length; i++) {
    if (discriminator(arr[i])) indexes.push(i);
  }
  return indexes;
};

export const flattenArrObject = <T extends object>(arr: T[]): T =>
  arr.reduce((prev, item) => {
    return { ...item, ...prev };
  }, {} as T);

export const removeDuplicates = <T>(
  items: T[],
  toStringFn: (e: T) => string,
  fromStringFn: (s: string) => T
): T[] => {
  return [...new Set(items.map(toStringFn))].map(fromStringFn);
};

export const actionMetasToAccountsArray = (
  actionMetas: AccountMeta[]
): AccountsArray =>
  actionMetas.map((a) => {
    return {
      isSigner: a.isSigner,
      isWriteable: a.isWritable,
      address: a.pubkey,
    };
  });