#!/bin/sh

updateicon() { \
  echo "$1" > /tmp/recordingicon
  pkill -RTMIN+9 "${STATUSBAR:-waybar}"
}

killrecording() {
  recpid="$(bat /tmp/recordingpid)"
  echo $recpid
  kill -2 "$recpid"
  rm -f /tmp/recordingpid
  updateicon ""
  pkill -RTMIN+9 "${STATUSBAR:-waybar}"
}

screencast() { gpu-screen-recorder \
  -w portal \
  -f 60 \
  -a default_output \
  -a default_input \
  -o "$HOME/screencast-$(date '+%y%m%d-%H%M-%S').mp4" &
  echo $! > /tmp/recordingpid
  updateicon "󰑋 "
}

video() { gpu-screen-recorder \
  -w portal \
  -f 60 \
  -o "$HOME/video-$(date '+%y%m%d-%H%M-%S').mkv" &
  echo $! > /tmp/recordingpid
  updateicon "󰑋"
}

webcamhidef() { ffmpeg \
  -f v4l2 \
  -i /dev/video0 \
  -video_size 1920x1080 \
  "$HOME/webcam-$(date '+%y%m%d-%H%M-%S').mkv" &
  echo $! > /tmp/recordingpid
  updateicon "󰖠"
}

webcam() { ffmpeg \
  -f v4l2 \
  -i /dev/video0 \
  -video_size 640x480 \
  "$HOME/webcam-$(date '+%y%m%d-%H%M-%S').mkv" &
  echo $! > /tmp/recordingpid
  updateicon "󰖠"
}


audio() { \
  ffmpeg \
  -f alsa -i default \
  -c:a flac \
  "$HOME/audio-$(date '+%y%m%d-%H%M-%S').flac" &
  echo $! > /tmp/recordingpid
  updateicon ""
}

askrecording() { \
  choice=$(printf "screencast\\nvideo\\naudio\\nwebcam\\nwebcam (hi-def)" | mew -i -p "Select recording style:")
  case "$choice" in
    screencast) screencast;;
    audio) audio;;
    video) video;;
    webcam) webcam;;
    "webcam (hi-def)") webcamhidef;;
  esac
}

asktoend() { \
  response=$(printf "No\\nYes" | mew -i -p "Recording still active. End recording?") &&
  [ "$response" = "Yes" ] &&  killrecording
}

case "$1" in
  screencast) screencast;;
  audio) audio;;
  video) video;;
  kill) killrecording;;
  *) ([ -f /tmp/recordingpid ] && asktoend && exit) || askrecording;;
esac