#!/usr/bin/env bash

#wrapper script for running weather on interval

fahrenheit=$1

LOCKFILE=/tmp/.dracula-tmux-weather.lock

ensure_single_process()
{
	# check for another running instance of this script and terminate it if found
	[ -f $LOCKFILE ] && ps -p "$(cat $LOCKFILE)" -o cmd= | grep -F " ${BASH_SOURCE[0]}" && kill "$(cat $LOCKFILE)"
	echo $$ > $LOCKFILE
}

main()
{
	ensure_single_process

	current_dir="$( cd "$( dirname "${BASH_SOURCE[0]}" )" && pwd )"

	if [ ! -f $current_dir/../data/weather.txt ]; then
		printf "Loading..." > $current_dir/../data/weather.txt
	fi

	$current_dir/weather.sh > $current_dir/../data/weather.txt

	while tmux has-session &> /dev/null
	do
		$current_dir/weather.sh $fahrenheit > $current_dir/../data/weather.txt
		if tmux has-session &> /dev/null
		then
			sleep 1200
		else
			break
		fi
	done

	rm $LOCKFILE
}

#run main driver function
main