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#! /usr/bin/env bash

if [[ $1 == "qrcode" || $1 == "color" ]]; then
  mime_type="text/plain"
else
  dir="$HOME/pics/screenshots/`date +'%m-%Y'`"
  if [ ! -d $dir ]; then mkdir -p $dir; fi
  while : ; do
    filename="screenshot-`date +'%m-%d-%y'`-`hexdump -n 3 -e '1/4 "%02X"' /dev/random`"
    [ -e $dir/$filename.* ] || break
  done
  if [[ $1 == "video" ]]; then
    output="$dir/$filename"".mkv"
    mime_type="video/x-matroska"
  else
    output="$dir/$filename"".png"
    mime_type="image/png"
  fi
fi

parseqr () { zbarimg -q1 - | cut -d ':' -f 2-; }
parsecolor () { magick - -format '%[pixel:p{0,0}]' txt:- | awk 'END {printf $3}'; }

if [[ $XDG_SESSION_TYPE == "wayland" ]]; then
  copy="wl-copy -t $mime_type"
  case $1 in
    "qrcode") grim -t png -g "$(slurp)" - | parseqr | $copy ;;
    "color") grim -t ppm -g "$(slurp -p)" - | parsecolor | $copy ;;
    "video") wf-recorder -a -g "$(slurp)" -f $output ;;
    "main") grim -t png -o $MAIN_MONITOR $output ;;
    "full") grim -t png $output ;;
    "output") grim -t png -g "$(slurp -o)" $output ;;
    *) grim -t png -g "$(slurp)" $output ;;
  esac
else
  copy="xclip -selection clipboard -target $mime_type -i"
  case $1 in
    "full") import -window root $output ;;
    *)
      area=$(slop -f "%g") || exit 1
      read -r G < <(echo $area)
      import -window root -crop $G $output ;;
  esac
fi

if [[ $1 != "qrcode" && $1 != "color" && $1 != "video" && -f $output ]]; then
  cat $output | $copy;
fi