batchrename.sh

#!/usr/bin/env bash

set -e

ROOT="/home/tomasino/movies"

SAVEIFS=$IFS
IFS=$(echo -en "\n\b")

# First loop to rename files
for f in $(find "$ROOT" -mindepth 1 -maxdepth 1 -type f -not -path '**/batchrename.sh' -not -path '**/.DS_Store'); do
  # Wrap dates in parens if needed
  rename -e 's/(?<!\()(\d{4})(?!\))/($1)/s' "$f"
done

# Second loop to move files
for f in $(find "$ROOT" -mindepth 1 -maxdepth 1 -type f -not -path '**/batchrename.sh' -not -path '**/.DS_Store'); do
  # Get just filename
  t=$(basename $f)

  # Get filename without extension
  p="${t%%)*})"

  # Create directory, if needed
  if [ ! -d "$p" ]; then
    echo "Create Directory: $p"
    cd "$ROOT" && mkdir -p "$p" && cd -
  fi

  # Move the file to the new folder
  mv "$f" "$ROOT/$p"
done

IFS=$SAVEIFS