#!/bin/bash

SCREENCAST_PID_FILE="$HOME/.screencast-pid"

if [ -f "$SCREENCAST_PID_FILE" ]; then
    notify-send "Stopping screencast"
    pid=$(cat "$SCREENCAST_PID_FILE")
    kill "$pid"
    tail --pid="$pid" -f /dev/null
    rm "$SCREENCAST_PID_FILE"
    notify-send "Screencast stopped"
    exit 0
fi

DIR="$HOME/Videos/screencasts/"
DATE=$(date +%Y-%m-%d-%H-%M-%S)
FILENAME="$DIR$DATE.mp4"

slop=$(slop -f "%x %y %w %h %g %i") || exit 1
[[ $? = 1 ]] && notify-send "Screencast cancelled" && exit 1
notify-send "Starting screencast"
touch "$HOME/.screencast-pid"
# shellcheck disable=SC2034
read -r X Y W H G ID < <(echo "$slop")
[ ! $((W%2)) -eq 0 ] && W=$((W-1)); [ ! $((H%2)) -eq 0 ] && H=$((H-1))
( (ffmpeg -y -f x11grab -s "$W"x"$H" -i :0.0+"$X","$Y" -f pulse -i 1 -vf format=yuv420p -profile:v baseline "$FILENAME") & jobs -p > "$SCREENCAST_PID_FILE" )

while [ -f "$SCREENCAST_PID_FILE" ]; do
    sleep 1
done

# xclip -selection clipboard -t video/mp4 "$FILENAME"
dragon-drag-and-drop "$FILENAME"
notify-send  "Saved screencast" "$DATE.mp4"