#!/bin/bash

set -euo pipefail

TAG=.bak-$(date +%Y%m%d)

SRC_DIRS=(
  "$HOME/.local/share/nvim"
  "$HOME/.local/state/nvim"
  "$HOME/.cache/nvim"
)

# Show plan and confirm
printf "This will back up and clean your Neovim directories.\n"
printf "Backup suffix to be appended: %s\n\n" "$TAG"

printf "Plan:\n"
for SRC in "${SRC_DIRS[@]}"; do
  if [ -e "$SRC" ]; then
    DEST="${SRC}${TAG}"
    printf "  %s -> %s\n" "$SRC" "$DEST"
  fi
done

printf "\n"
read -r -p "Are you sure you want to proceed? [y/N]: " CONFIRM
case ${CONFIRM:-} in
  [yY]|[yY][eE][sS]) ;;
  *) printf "Aborted!\n"; exit 0;;
esac

# Perform moves, skipping missing sources
for SRC in "${SRC_DIRS[@]}"; do
  if [ -e "$SRC" ]; then
    DEST="${SRC}${TAG}"
    printf "Moving %s -> %s\n" "$SRC" "$DEST"
    mv "$SRC" "$DEST"
  fi
done

printf "Done!"