#!/bin/bash

trash() {
  for item in "$@"; do
    if [ -e "$item" ]; then
      target_dir="$HOME/.local/share/Trash/files"
      mkdir -p "$target_dir"
      target_name="$(basename "$item")"
      original_name="$target_name"
      suffix=1
      while [ -e "$target_dir/$target_name" ]; do
        target_name="${original_name%.*}_$suffix.${original_name##*.}"
        suffix=$((suffix + 1))
      done
      mv "$item" "$target_dir/$target_name"
      echo "Moved '$item' to '$target_dir/$target_name'"
    else
      echo "Error: '$item' does not exist."
    fi
  done
}

trash "$@"