pragma Singleton

import Quickshell
import QtQuick

Singleton {
	id: root
	readonly property string time: {
		// fuck you qt give me my 12 hr time
		var h = clock.date.getHours();
		var m = clock.date.getMinutes();
		var s = clock.date.getSeconds();
		h = h % 12;
		if (h === 0)
			h = 12;
		return (h < 10 ? "0" : "") + h + ":" + (m < 10 ? "0" : "") + m + ":" + (s < 10 ? "0" : "") + s;
	}
	readonly property int hours: {
		var h = clock.date.getHours();
		h = h % 12;
		if (h === 0)
			h = 12;
		return h;
	}
	readonly property int minutes: clock.date.getMinutes()
	readonly property int seconds: clock.date.getSeconds()

	readonly property string date: Qt.formatDateTime(clock.date, "dddd dd/MM")

	function sinceWhen(d) {
		if (typeof d === "string")
			return;

		var now = clock.date;

		function startOfDay(x) {
			return new Date(x.getFullYear(), x.getMonth(), x.getDate(), 0, 0, 0, 0);
		}

		function startOfWeek(x) {
			var dow = x.getDay();
			var mondayOffset = (dow + 6) % 7;
			var sod = startOfDay(x);
			sod.setDate(sod.getDate() - mondayOffset);
			return sod;
		}

		function fmt12h(dateObj) {
			var h24 = dateObj.getHours();
			var m = dateObj.getMinutes();
			var h12 = h24 % 12;
			if (h12 === 0)
				h12 = 12;
			var ampm = h24 < 12 ? "AM" : "PM";
			return ((h12 < 10 ? "0" : "") + h12 + ":" + (m < 10 ? "0" : "") + m + " " + ampm);
		}

		function weekdayName(dateObj) {
			return Qt.formatDateTime(dateObj, "dddd");
		}

		var nowSOD = startOfDay(now).getTime();
		var dSOD = startOfDay(d).getTime();
		if (nowSOD === dSOD) {
			return fmt12h(d);
		}

		var nowSOW = startOfWeek(now).getTime();
		var dSOW = startOfWeek(d).getTime();
		if (nowSOW === dSOW) {
			return weekdayName(d) + " " + fmt12h(d);
		}

		var ymd = Qt.formatDateTime(d, "yyyy-MM-dd");
		return ymd + " at " + fmt12h(d);
	}

	SystemClock {
		id: clock
		precision: SystemClock.Seconds
	}
}