jQuery(function() {
    // Helper function to sanitize text formatting
    function cleanDokuWikiCodeSpaces(text) {
        return text
            .replace(/\r\n/g, '\n')              // Standardize linebreaks
            .replace(/\n[ \u00A0]+(?=\n)/g, '\n') // Remove spaces sitting completely alone on a line
            .replace(/^[ \u00A0]+\n/, '\n')       // Clean leading blank lines
            .replace(/\n[ \u00A0]+$/, '\n');      // Clean trailing blank lines
    }

    // FIX 1: Handle standard user manual mouse selections (Ctrl+C)
    document.addEventListener('copy', function(e) {
        const selection = window.getSelection();
        if (selection.rangeCount > 0 && selection.anchorNode.parentElement.closest('pre.code')) {
            let cleanedText = cleanDokuWikiCodeSpaces(selection.toString());
            e.clipboardData.setData('text/plain', cleanedText);
            e.preventDefault();
        }
    });

    // FIX 2: Handle DokuWiki Core's Native Async Copy Button
    document.addEventListener('click', function(e) {
        // Targets DokuWiki's core copy elements (like .button-copy or data targets)
        const btn = e.target.closest('button, a, div') && e.target.closest('[class*="copy"], [id*="copy"], [data-clipboard-target]');
        if (!btn) return;

        // Force monitor the system clipboard immediately following the click
        let attempts = 0;
        const maxAttempts = 10;

        const checkAndCleanClipboard = setInterval(async () => {
            attempts++;
            try {
                let currentText = await navigator.clipboard.readText();

                // If clipboard contains data and has the raw space error, rewrite it immediately
                if (currentText && (currentText.includes('\n ') || currentText.includes('\n\u00A0'))) {
                    let cleanedText = cleanDokuWikiCodeSpaces(currentText);
                    await navigator.clipboard.writeText(cleanedText);
                    clearInterval(checkAndCleanClipboard); // Success, stop looping
                }
            } catch (err) {
                // Clipboard permissions might delay slightly, keep trying
            }

            if (attempts >= maxAttempts) {
                clearInterval(checkAndCleanClipboard); // Timeout safety fallback
            }
        }, 30); // Check every 30ms for immediate execution
    });
});