#!/bin/sh

### 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 --loop --msg-level=all=no "$ringSound" ;;
	"") head -n 1 ;;
	*) $PLAYER "$ringSound" ;;
	esac
}

# $1: time in minutes
# $2: msg for notification
ring_ring() {
	printf >&2 '%s B %s\n' "$(date '+%R')" "$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
[ -r "$ringSound" ] && printf >&2 'ring: %s\n' "$ringSound"

if [ "$1" = "ring" ]; then
	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' "$(date '+%R')" "$round"
	sleep 25m
	if [ "$round" -eq 3 ]; then
		ring_ring 20 "GIGA BREAK TIME"
		round=0
	else
		ring_ring 5 "BREAK TIME"
		round=$((round + 1))
	fi
done