exports.id = 'sendtodisplay';
exports.title = 'Send to display';
exports.group = 'Worksys';
exports.color = '#5D9CEC';
exports.version = '0.0.1';
exports.output = 2;
exports.input = 2;
exports.author = 'Rastislav Kovac';
exports.icon = 'cloud-upload';

const { execSync } = require('child_process');

exports.install = function(instance) {

	const getDepartures = setInterval(checkIfWeHaveDepartures, 60000);
	let departures = [];
	let firstDepartureTime = getCurrentTimeFormatted();

	function checkIfWeHaveDepartures() {
		if (departures.length === 0) instance.send(1, "reload");
	}

	instance.on('1', flowdata => {
		departures = flowdata.data;
	})

	instance.on('close', function() {
		clearInterval(getDepartures);
	})

	instance.on('0', function(_) {

		// for some reason new Date() function does not set month and year in local timezone, so we use "timedatectl" command
		let dateFromCommand = execSync("timedatectl", {}).toString();

		let first = dateFromCommand.search("time:");
		let last = dateFromCommand.search(" CE");
		dateFromCommand = dateFromCommand.slice(first, last);  //Thu 2022-04-07 13:38:03

		const d = new Date(dateFromCommand);
		let hour = d.getHours();
		let minute = d.getMinutes();
		console.log('******hour, minute', hour, minute)

		if (minute < 10) minute = `0${minute}`;
		if (hour < 10) hour = `0${hour}`;

		const now = `${hour}:${minute}`;

		console.log('******--------', firstDepartureTime, now);
		console.log('******--------', firstDepartureTime < now);

		if (firstDepartureTime < now) {

			let departures_filtered = departures.filter(departure => {
				const timeOfDeparture = departure[1];
				if (now < timeOfDeparture) return true;
				return false;
			})

			if (departures_filtered.length > 0) firstDepartureTime = departures_filtered[0][1];
			else firstDepartureTime = "00:00";

			instance.send(0, departures_filtered.slice(0, 10));
		}

	})

}


function getCurrentTimeFormatted() {
	const now = new Date(); // Get the current date and time

	const hours = now.getHours(); // Get the current hour (0-23)
	const minutes = now.getMinutes(); // Get the current minute (0-59)

	// Pad with leading zero if the number is less than 10
	const formattedHours = hours < 10 ? '0' + hours : hours;
	const formattedMinutes = minutes < 10 ? '0' + minutes : minutes;

	return `${formattedHours}:${formattedMinutes}`;
}