import QtQuick
import Quickshell
pragma Singleton

Singleton {
    id: root

    // Current date
    property var date: new Date()
    // Returns a Unix Timestamp (in seconds)
    readonly property int timestamp: {
        return Math.floor(date / 1000);
    }

    // Formats a Date object into a YYYYMMDD-HHMMSS string.
    function getFormattedTimestamp(date) {
        if (!date)
            date = new Date();

        const year = date.getFullYear();
        // getMonth() is zero-based, so we add 1
        const month = String(date.getMonth() + 1).padStart(2, '0');
        const day = String(date.getDate()).padStart(2, '0');
        const hours = String(date.getHours()).padStart(2, '0');
        const minutes = String(date.getMinutes()).padStart(2, '0');
        const seconds = String(date.getSeconds()).padStart(2, '0');
        return `${year}${month}${day}-${hours}${minutes}${seconds}`;
    }

    // Format an easy to read approximate duration ex: 4h32m
    // Used to display the time remaining on the Battery widget, computer uptime, etc..
    function formatVagueHumanReadableDuration(totalSeconds) {
        if (typeof totalSeconds !== 'number' || totalSeconds < 0)
            return '0s';

        // Floor the input to handle decimal seconds
        totalSeconds = Math.floor(totalSeconds);
        const days = Math.floor(totalSeconds / 86400);
        const hours = Math.floor((totalSeconds % 86400) / 3600);
        const minutes = Math.floor((totalSeconds % 3600) / 60);
        const seconds = totalSeconds % 60;
        const parts = [];
        if (days)
            parts.push(`${days}d`);

        if (hours)
            parts.push(`${hours}h`);

        if (minutes)
            parts.push(`${minutes}m`);

        // Only show seconds if no hours and no minutes
        if (!hours && !minutes)
            parts.push(`${seconds}s`);

        return parts.join('');
    }

    // Format a date into
    function formatRelativeTime(date) {
        if (!date)
            return "";

        const diff = Date.now() - date.getTime();
        if (diff < 60000)
            return "now";

        if (diff < 3.6e+06)
            return `${Math.floor(diff / 60000)}m ago`;

        if (diff < 8.64e+07)
            return `${Math.floor(diff / 3600000)}h ago`;

        return `${Math.floor(diff / 86400000)}d ago`;
    }

    Timer {
        interval: 1000
        repeat: true
        running: true
        onTriggered: root.date = new Date()
    }

}
