#!/bin/bash
if ! hash dmenu 2>/dev/null; then
    notify-send "Error" "dmenu is not installed. Aborting."
    echo "dmenu is not installed."
    echo "Did you really try to run a dmenu utility without having dmenu installed?"
    echo "Aborting."
    exit 1
fi
if ! hash ffmpeg 2>/dev/null; then
    notify-send "Error" "ffmpeg is not installed.\n\nAborting."
    echo "ffmpeg is not installed."
    echo "Aborting."
    exit 1
fi
if ! ldconfig -p | grep libxcb >/dev/null; then
    notify-send "Error" "libxcb is not installed.\n\nffmepg requires libxcb for it's x11grab option.\n\nAborting."
    echo "libxcb is not installed."
    echo "ffmepg requires libxcb for it's x11grab option."
    echo "Aborting."
    exit 1
fi

IFS=$'\n'
options="Fullscreen\nSelection"
choice=$(echo -e $options | sort | dmenu -p "Record" -i)

if [ -z $choice ]; then
    exit
fi

case $choice in
    "Fullscreen")
        echo "Recording fullscreen"
        file=$(mktemp -u /tmp/recording_XXXXXX.mp4)
        notify-send --icon=panel/simplescreenrecorder-recording -t 900 'Recording starts' 'as soon as this notification closes'
        sleep 1
        ffmpeg -f x11grab -framerate 20 -video_size 1366x768 -i :0.0 $file
        notify-send --icon=panel/simplescreenrecorder-paused 'Recording stopped'
        ln -sf $file /tmp/recording_latest.mp4
        ;;

    "Selection")
        # need IFS = ' ' for read to be able to split the arguments
        IFS=$' '
        echo "Recording region"
        read -r x y w h <<< $(slop -f "%x %y %w %h" -q -l -c 0.3,0.4,0.6,0.4 )
        file=$(mktemp -u /tmp/recording_XXXXXX.mp4)
        notify-send --icon=panel/simplescreenrecorder-recording -t 900 'Recording starts' 'as soon as this notification closes'
        sleep 1
        ffmpeg -f x11grab -framerate 20 -show_region 1 -video_size "${w}x${h}" -i ":0.0+${x},${y}" $file
        notify-send --icon=panel/simplescreenrecorder-paused 'Recording stopped'
        ln -sf $file /tmp/recording_latest.mp4
        ;;

    *)
        exit
        ;;

esac