#!/bin/sh

# time in minutes
[ "$SLEEP_TIME" ] || SLEEP_TIME=25
[ "$BREAK_TIME" ] || BREAK_TIME=5
[ "$GIGA_BREAK_TIME" ] || GIGA_BREAK_TIME=20

### FUNCTIONS
notif() {
	herbe "_pomo" "$1" &
	sleep 1
	pkill -SIGUSR1 herbe
}

# Plays ringing sound
# Then wait for user input to start/end the break
player_command() {
	printf >&2 ' > '
	[ -r "$ringSound" ] || PLAYER=""
	case "$PLAYER" in
	mpv) mpv --volume=100 --loop --msg-level=all=no --resume-playback=no "$ringSound" 2>/dev/null;;
	"") head -n 1 ;;
	*) $PLAYER "$ringSound" ;;
	esac
}

# $1: time in minutes
# $2: msg for notification
ring_ring() {
	printf >&2 '%s %s [%s]\n' "$(date '+%R')" "Break" "$round"
	player_command
	herbe "pomo" "$2" &
	sleep "${1}m"
	player_command
	printf >&2 '\n'
}

### Program

trap 'exit 1' INT

round="${1:-0}"
# args
case "$round" in
0 | 1 | 2 | 3) ;;
ring) ;;
*) printf >&2 'Invalid value: %s\n' "$round"; exit 1 ;;
esac

ringSound="${XDG_DATA_HOME:-$HOME/.local/share}"/pomo/ring.aac

# For debugging purposes
if [ "$1" = "ring" ]; then
	>&2 printf 'PLAYER: %s\n' "$PLAYER "
	>&2 printf 'ringSound: %s\n' "$ringSound"
	player_command
	exit
fi

# Countdown
for msg in "three" "two" "one"; do
	notif "$msg"
done

while true; do
	notif "*START"
	printf >&2 '%s %s [%s]\n' "$(date '+%R')" "Start" "$round"
	sleep "${SLEEP_TIME}m"
	if [ "$round" -eq 3 ]; then
		ring_ring "$GIGA_BREAK_TIME" "*GIGA BREAK TIME"
		round=0
	else
		ring_ring "$BREAK_TIME" "*BREAK TIME"
		round=$((round + 1))
	fi
done