// ==UserScript==
// @name        Patch for the unrobust data processing code in the comment section of the CCW extension details page
// @namespace   Violentmonkey Scripts
// @match       https://assets.ccw.site/extension/*
// @grant       none
// @version     1.2
// @license     AGPL-3.0
// @author      xiaochen004hao
// @icon        https://m.ccw.site/community/images/logo-ccw.png
// @require     https://code.jquery.com/jquery-3.6.0.min.js
// @run-at      document-start
// @description 2026/5/22
// ==/UserScript==

"use strict";

(() => {
    const TARGET_PATH = '/comment/page_by_topic';
    const SPECIAL_SCORE = '-247111583';

    function patchData(json) {
        if (json && json.body && Array.isArray(json.body.data)) {
            json.body.data.forEach(item => {
                if (item && typeof item.content === 'string') {
                    if (!item.content.includes('-评分:')) {
                        item.content = `-评分: ${SPECIAL_SCORE}\n${item.content}`;
                    }
                }
            });
        }
        return json;
    }

    const rawOpen = XMLHttpRequest.prototype.open;
    XMLHttpRequest.prototype.open = function (method, url) {
        this._url = url;
        return rawOpen.apply(this, arguments);
    };

    const rawSend = XMLHttpRequest.prototype.send;
    XMLHttpRequest.prototype.send = function () {
        if (this._url && this._url.includes(TARGET_PATH)) {
            this.addEventListener('readystatechange', function () {
                if (this.readyState === 4 && this.status === 200) {
                    try {
                        const json = JSON.parse(this.responseText);
                        const patchedJson = patchData(json);
                        const patchedText = JSON.stringify(patchedJson);
                        Object.defineProperty(this, 'responseText', { value: patchedText, writable: true });
                        Object.defineProperty(this, 'response', { value: this.responseType === 'json' ? patchedJson : patchedText, writable: true });
                    } catch (err) { }
                }
            });
        }
        return rawSend.apply(this, arguments);
    };

    function patchDOM() {
        $('.c-rating-text').each(function () {
            const $this = $(this);

            if ($this.text().trim() === `${SPECIAL_SCORE}.0` && !$this.data('patched')) {
                $this.data('patched', true);

                $this.text('此用户尝试使页面报错，已拦截');
                $this.css({
                    'color': '#ff4d4f',
                    'font-weight': 'bold'
                });

                const $stars = $this.prevAll('div').filter(function () {
                    return $(this).css('width') === '17px' || $(this).find('svg').length > 0;
                });

                if ($stars.length > 0) {
                    const $keepStar = $stars.eq(0);
                    $stars.slice(1).remove();

                    const warningSVG = `<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 24 24" fill="#ff4d4f" style="width: 24px; height: 24px; transform: scale(0.708333) translate(-2px, -2px); transform-origin: left top;">
    <path d="M12 2C6.48 2 2 6.48 2 12s4.48 10 10 10 10-4.48 10-10S17.52 2 12 2zm1 15h-2v-2h2v2zm0-4h-2V7h2v6z"/>
</svg`;
                    $keepStar.empty().html(warningSVG);
                }
            }
        });
    }

    $(() => {
        const observer = new MutationObserver(patchDOM);
        observer.observe(document.body, {
            childList: true,
            subtree: true
        });
    });
})();