// ==UserScript==
// @name         Gaytor.rent BBCode Renderer
// @namespace    http://tampermonkey.net/
// @version      1.0
// @description  Auto-renders BBCode on gaytor.rent details and search pages, with smart color filtering for dark background compatibility.
// @author       Lln
// @match        https://www.gaytor.rent/details.php?id=*
// @match        https://www.gaytor.rent/search.php*
// @icon         https://www.google.com/s2/favicons?sz=64&domain=gaytor.rent
// @grant        none
// ==/UserScript==

(function() {
    'use strict';

    // Luminance detection function: Check if a color is too dark
    function isDarkColor(colorStr) {
        // Clean quotes and convert to lowercase
        let color = colorStr.replace(/['"]/g, '').trim().toLowerCase();
        let r, g, b;

        // 1. Handle common dark color names
        const darkNames = ['black', '#000', '#000000', 'navy', 'darkblue', 'darkgreen', 'darkred', 'maroon', 'purple', 'indigo'];
        if (darkNames.includes(color)) return true;

        // 2. Parse HEX colors (e.g., #3a3a3a or #333)
        let hexMatch = color.match(/^#?([0-9a-f]{3}|[0-9a-f]{6})$/i);
        if (hexMatch) {
            let hex = hexMatch[1];
            if (hex.length === 3) {
                hex = hex.split('').map(c => c + c).join('');
            }
            r = parseInt(hex.substring(0, 2), 16);
            g = parseInt(hex.substring(2, 4), 16);
            b = parseInt(hex.substring(4, 6), 16);
        }
        // 3. Parse RGB colors (e.g., rgb(58, 58, 58))
        else if (color.startsWith('rgb')) {
            let rgbMatch = color.match(/\d+/g);
            if (rgbMatch && rgbMatch.length >= 3) {
                r = parseInt(rgbMatch[0]);
                g = parseInt(rgbMatch[1]);
                b = parseInt(rgbMatch[2]);
            }
        }

        // If RGB values are successfully parsed, calculate perceived luminance (Luma)
        if (r !== undefined && g !== undefined && b !== undefined) {
            // Luma formula (range 0-255)
            let luma = 0.299 * r + 0.587 * g + 0.114 * b;
            return luma < 120; // Considered dark if luminance is below 120
        }

        return false; // Default to allowing the color if it cannot be parsed
    }

    // Core BBCode rendering function
    function renderBBCode(str) {
        if (!str) return str;

        const bbcodeMap = [
            // Basic formatting
            [/\[b\]([\s\S]*?)\[\/b\]/gi, '<strong>$1</strong>'],
            [/\[i\]([\s\S]*?)\[\/i\]/gi, '<em>$1</em>'],
            [/\[u\]([\s\S]*?)\[\/u\]/gi, '<u>$1</u>'],
            [/\[s\]([\s\S]*?)\[\/s\]/gi, '<del>$1</del>'],

            // Alignment
            [/\[center\]([\s\S]*?)\[\/center\]/gi, '<div style="text-align: center;">$1</div>'],
            [/\[left\]([\s\S]*?)\[\/left\]/gi, '<div style="text-align: left;">$1</div>'],
            [/\[right\]([\s\S]*?)\[\/right\]/gi, '<div style="text-align: right;">$1</div>'],
            [/\[align=(left|center|right|justify)\]([\s\S]*?)\[\/align\]/gi, '<div style="text-align: $1;">$2</div>'],

            // Links
            [/\[url=(.+?)\]([\s\S]*?)\[\/url\]/gi, '<a href="$1" target="_blank" style="color: #4a90e2; text-decoration: underline;">$2</a>'],
            [/\[url\]([\s\S]*?)\[\/url\]/gi, '<a href="$1" target="_blank" style="color: #4a90e2; text-decoration: underline;">$1</a>'],

            // Color handling: Filter out dark colors for dark mode compatibility
            [/\[color=(.+?)\]([\s\S]*?)\[\/color\]/gi, function(match, colorCode, content) {
                if (isDarkColor(colorCode)) {
                    // If considered dark, strip the color style to inherit the default bright text color
                    return `<span>${content}</span>`;
                }
                return `<span style="color: ${colorCode.replace(/['"]/g, '')}">${content}</span>`;
            }],

            // Size and Font
            [/\[size=(.+?)\]([\s\S]*?)\[\/size\]/gi, function(match, size, content) {
                let sizeMap = {"1":"10px", "2":"13px", "3":"16px", "4":"18px", "5":"24px", "6":"32px", "7":"48px"};
                let cssSize = sizeMap[size] || (size.includes('px') || size.includes('em') ? size : size + 'px');
                return `<span style="font-size: ${cssSize}">${content}</span>`;
            }],
            [/\[font=(.+?)\]([\s\S]*?)\[\/font\]/gi, '<span style="font-family: $1">$2</span>'],

            // Lists
            [/\[ul\]([\s\S]*?)\[\/ul\]/gi, '<ul style="margin-left: 25px; list-style-type: disc;">$1</ul>'],
            [/\[ol\]([\s\S]*?)\[\/ol\]/gi, '<ol style="margin-left: 25px; list-style-type: decimal;">$1</ol>'],
            [/\[li\]([\s\S]*?)\[\/li\]/gi, '<li style="margin-bottom: 4px;">$1</li>'],

            // Media and Quotes
            [/\[img\]([\s\S]*?)\[\/img\]/gi, '<img src="$1" style="max-width: 100%; border-radius: 4px;" />'],
            [/\[quote\]([\s\S]*?)\[\/quote\]/gi, '<blockquote style="border-left: 4px solid #888; margin: 10px 0; padding: 10px 15px; background: rgba(255,255,255,0.05);">$1</blockquote>']
        ];

        let previous;
        // Handle nested tags by looping until no more replacements can be made
        do {
            previous = str;
            bbcodeMap.forEach(([regex, replacement]) => {
                str = str.replace(regex, replacement);
            });
        } while (str !== previous);

        return str;
    }

    // --- Scenario 1: Process the Details page ---
    const labels = document.querySelectorAll('td.tabledescription');
    for (let label of labels) {
        if (label.textContent.trim() === 'Description:') {
            let descContentCell = label.nextElementSibling;
            if (descContentCell) {
                descContentCell.innerHTML = renderBBCode(descContentCell.innerHTML);
            }
            break;
        }
    }

    // --- Scenario 2: Process Search pages ---
    // Find full description boxes
    const listDescriptions = document.querySelectorAll('div.description_text');
    listDescriptions.forEach(div => {
        div.innerHTML = renderBBCode(div.innerHTML);
    });

})();