import { toHex } from '../encoding/toHex.js'
import type { ErrorType } from '../errors/utils.js'
import type { Log, RpcLog } from '../types/log.js'

export type FromRpcLogErrorType = ErrorType

export function fromRpcLog(
  log: RpcLog,
  {
    args,
    eventName,
  }: { args?: unknown | undefined; eventName?: string | undefined } = {},
): Log {
  return {
    ...log,
    blockHash: log.blockHash ? log.blockHash : null,
    blockNumber: log.blockNumber ? BigInt(log.blockNumber) : null,
    logIndex: log.logIndex ? Number(log.logIndex) : null,
    transactionHash: log.transactionHash ? log.transactionHash : null,
    transactionIndex: log.transactionIndex
      ? Number(log.transactionIndex)
      : null,
    ...(eventName ? { args, eventName } : {}),
  }
}

export type ToRpcLogErrorType = ErrorType

export function toRpcLog<pending extends boolean>(
  log: Log<bigint, number, pending>,
): RpcLog<pending> {
  return {
    ...log,
    blockNumber: log.blockNumber ? toHex(log.blockNumber) : null,
    logIndex: log.logIndex ? toHex(log.logIndex) : null,
    transactionIndex: log.transactionIndex ? toHex(log.transactionIndex) : null,
  } as RpcLog<pending>
}