#!/bin/sh

HIST="$HOME/.cache/clip_history"
SEP="<NEWLINE>"

case "$1" in
  select)
    sel=$(tac "$HIST" | dmenu -bw 0 -vi -p "Clipboard history:") &&
    printf '%s' "$sel" | sed "s/$SEP/\\n/g" | xclip -selection clipboard &&
    dunstify "Copied to clipboard" "$sel"
    ;;
  save)
    clip=$(xclip -o -selection clipboard) &&
    [ -n "$clip" ] &&
    esc=$(printf '%s' "$clip" | sed ":a;N;\$!ba;s/\\n/$SEP/g") &&
    grep -Fxq "$esc" "$HIST" || echo "$esc" >> "$HIST" &&
    dunstify "Saved to clipboard" "$clip"
    ;;
esac