#!/bin/env bash

# check that clipboard doesn't contain text
if wl-paste --list-types | grep -qv '^text/plain$'; then
  tempdir=$(mktemp -d)
  extension=$(grep -E "^$(wl-paste --list-types)" /etc/mime.types | awk '{print $2}')
  echo -n "Enter file name (extension .$extension will be appended): " >&2
  read -e -r user_input
  attachment="$tempdir/$user_input.$extension"
  read -e -r -p "$(printf "Your file will be written to %s and attached. \n\nConfirm (y/n): " "$attachment" >&2)" confirm
  case "$confirm" in
  y)
    wl-paste >"$attachment"
    echo "$attachment"
    ;;
  *)
    exit 1
    ;;
  esac
else
  # clipboard contains a string (treat as path)
  out=$(wl-paste)
  if wl-paste --list-types | grep -q '^text/uri-list$' && wl-paste | grep -q '^file://'; then
    out=${out#file://}
  fi
  if [ ! -f "$out" ]; then
    read -e -r -p "$(printf "Your clipboard contains %s, which is not a valid attachment. \n\nPress enter to continue." "$out" >&2)"
    exit 1
  fi
    read -e -r -p "$(printf "Your clipboard contains %s, which will be attached as a path. \n\nConfirm (y/n): " "$out" >&2)" confirm
  case "$confirm" in
  y)
    echo "$out"
    ;;
  *)
    exit 1
    ;;
  esac
fi