K2S Bitrate Display (Structure Fix)

Calculates bitrate by targeting the specific sibling structure of K2S metadata.
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// ==UserScript==
// @name         K2S Bitrate Display (Structure Fix)
// @namespace    
// @version      5.0
// @description  Calculates bitrate by targeting the specific sibling structure of K2S metadata.
// @author       Gemini
// @license MIT
// @match        
// @grant        none
// ==/UserScript==

(function() {
    'use strict';

    function parseDuration(timeStr) {
        if (!timeStr) return 0;
        const parts = timeStr.trim().split(':').map(Number);
        if (parts.length === 3) return (parts[0] * 3600) + (parts[1] * 60) + parts[2];
        if (parts.length === 2) return (parts[0] * 60) + parts[1];
        return 0;
    }

    function parseSize(sizeStr) {
        if (!sizeStr) return 0;
        // Matches "2.53 GB" or "855 MB"
        const match = sizeStr.match(/([\d\.]+)\s*(GB|MB|KB)/i);
        if (!match) return 0;

        let bits = parseFloat(match[1]);
        const unit = match[2].toUpperCase();

        if (unit === 'GB') bits *= 1073741824;
        else if (unit === 'MB') bits *= 1048576;
        else if (unit === 'KB') bits *= 1024;

        return bits * 8;
    }

    function run() {
        // 1. Find all elements that strictly contain the text "size" or "duration"
        // We use a broad selector but filter by exact text content to find the labels
        const allDivs = document.querySelectorAll('div[type="label"]');

        let sizeValueElement = null;
        let durationStr = null;

        // Iterate through all labels to find our targets
        allDivs.forEach(el => {
            const text = el.textContent.trim().toLowerCase();

            // A. Find the SIZE value
            if (text === 'size') {
                // The structure is: <div>Value</div> <div>Label</div>
                // So the value is the PREVIOUS sibling of the label
                const valueEl = el.previousElementSibling;
                if (valueEl) {
                    sizeValueElement = valueEl;
                }
            }

            // B. Find the DURATION value
            if (text === 'duration') {
                const valueEl = el.previousElementSibling;
                if (valueEl) {
                    durationStr = valueEl.textContent.trim();
                }
            }
        });

        // 2. If we found both and haven't processed this yet...
        if (sizeValueElement && durationStr && !sizeValueElement.dataset.bitrateAdded) {

            const seconds = parseDuration(durationStr);
            const bits = parseSize(sizeValueElement.textContent);

            if (seconds > 0 && bits > 0) {
                const mbps = ((bits / seconds) / 1000000).toFixed(2);

                // 3. Create the Badge
                const span = document.createElement('span');
                // Styling to match the dark theme, using the green accent color
                span.style.marginLeft = "8px";
                span.style.color = "#4caf50";
                span.style.fontWeight = "bold";
                span.innerText = `(${mbps} Mbps)`;

                // 4. Append inside the "2.53 GB" div
                sizeValueElement.appendChild(span);
                sizeValueElement.dataset.bitrateAdded = "true";
            }
        }
    }

    // Run repeatedly to handle dynamic loading (React/Vue)
    setInterval(run, 1000);

})();