Bangumi帖子收藏到日志

在Bangumi帖子页面添加收藏按钮，自动收藏到指定日志
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// ==UserScript==
// @name         Bangumi帖子收藏到日志
// @version      1.2.1
// @description  在Bangumi帖子页面添加收藏按钮，自动收藏到指定日志
// @author       age_anime
// @match        https://bgm.tv/group/topic/*
// @match        https://chii.in/group/topic/*
// @match        https://bangumi.tv/group/topic/*
// @match        https://bgm.tv/blog/*
// @match        https://chii.in/blog/*
// @match        https://bangumi.tv/blog/*
// @license      MIT
// @namespace https://gf.qytechs.cn/users/1426310
// ==/UserScript==

(function() {
    'use strict';

    const BASE_URL = window.location.hostname;
    const path = window.location.pathname;

    if (path.startsWith('/blog/')) {
        handleBlogPage();
        return;
    }

    let TARGET_BLOG_ID = localStorage.getItem('UserTargetBlogID') || '填纯数字！';
    const UserConIDT = JSON.parse(localStorage.getItem('UserConIDT') || '{}');

    function addCollectButton() {
        const header = document.querySelector('#pageHeader h1');
        if (!header) return;

        const btnContainer = document.createElement('div');
        btnContainer.style.display = 'inline-flex';
        btnContainer.style.alignItems = 'center';
        btnContainer.style.gap = '8px';
        btnContainer.style.marginLeft = '10px';

        const collectBtn = createButton(UserConIDT[getPostIdFromUrl()] ? '🔴 再次收藏' : '⭐ 收藏本帖', handleCollect);
        const modifyLogBtn = createButton('修改日志地址', handleModifyLog);
        const openLogBtn = createButton('打开收藏地址', handleOpenLog);

        btnContainer.appendChild(collectBtn);
        btnContainer.appendChild(modifyLogBtn);
        btnContainer.appendChild(openLogBtn);

        header.parentNode.insertBefore(btnContainer, header.nextSibling);
    }

    function createButton(text, onClick) {
        const button = document.createElement('button');
        button.innerHTML = text;
        button.style.cssText = 'padding: 2px 6px; font-size: 12px; background: transparent; border: 1px solid #ccc; border-radius: 3px; cursor: pointer;';
        button.addEventListener('click', onClick);

        // 根据当前模式设置按钮文字颜色
        setButtonColor(button);

        return button;
    }

    function setButtonColor(button) {
        const theme = document.documentElement.getAttribute('data-theme');
        if (theme === 'dark') {
            button.style.color = '#cccccc';  // 深色模式
        } else {
            button.style.color = 'black';  // 浅色模式
        }
    }

    function handleCollect() {
        try {
            const postId = getPostIdFromUrl();
            if (!UserConIDT[postId]) {
                UserConIDT[postId] = true;
                localStorage.setItem('UserConIDT', JSON.stringify(UserConIDT));
            } else {
                alert('再次收藏成功！');
            }

            const postUrl = window.location.href;
            const postTitle = document.title.replace(' - Bangumi', '');
            const groupName = document.querySelector('#pageHeader h1 a')?.textContent.trim() || '未知小组';
            const postAuthorScript = document.querySelector('.post_actions .dropdown ul li a');
            const authorNameMatch = postAuthorScript?.getAttribute('onclick')?.match(/ignoreUser\('([^']+)'/);
            const authorUsername = authorNameMatch ? authorNameMatch[1] : '未知用户';
            const authorDisplayName = document.querySelector('.postTopic .inner strong a')?.textContent.trim() || '未知用户';

            // 获取目标日志的formhash
            getBlogFormData().then(formData => {
                const postUrlLink = `https://${BASE_URL}/group/topic/${window.location.pathname.split('/')[3]}`;
                const authorLink = `https://${BASE_URL}/user/${authorUsername}`;
                const bbcode = `[url=${postUrlLink}]${postTitle}[/url]\n${groupName}\n${authorDisplayName}(${authorLink});`;

                submitComment(formData, bbcode).then(success => {
                    if (success) {
                        console.log('收藏成功');
                    } else {
                        throw new Error('提交失败');
                    }
                }).catch(err => console.error('错误:', err.message || '操作失败'));
            });

        } catch (err) {
            console.error('错误:', err.message || '操作失败');
        }
    }

    function handleModifyLog() {
        const newBlogId = prompt('请输入新的日志ID:', TARGET_BLOG_ID);
        if (newBlogId) {
            TARGET_BLOG_ID = newBlogId;
            localStorage.setItem('UserTargetBlogID', TARGET_BLOG_ID);
            alert('日志地址已修改为: ' + TARGET_BLOG_ID);
        }
    }

    function handleOpenLog() {
        window.open(`https://${BASE_URL}/blog/${TARGET_BLOG_ID}`, '_blank');
    }

    function getPostIdFromUrl() {
        const urlParts = window.location.pathname.split('/');
        return urlParts[urlParts.length - 1];
    }

    async function getBlogFormData() {
        try {
            const response = await fetch(`https://${BASE_URL}/blog/${TARGET_BLOG_ID}`);
            if (!response.ok) throw new Error('无法获取日志');

            const text = await response.text();
            const doc = new DOMParser().parseFromString(text, 'text/html');
            const formhash = doc.querySelector('input[name="formhash"]')?.value;
            const lastview = doc.querySelector('input[name="lastview"]')?.value;

            if (!formhash || !lastview) throw new Error('找不到日志信息');
            return { formhash, lastview };
        } catch (error) {
            console.error('获取日志失败:', error.message);
            throw error;
        }
    }

    async function submitComment(formData, content) {
        try {
            const response = await fetch(`https://${BASE_URL}/blog/entry/${TARGET_BLOG_ID}/new_reply`, {
                method: 'POST',
                headers: { 'Content-Type': 'application/x-www-form-urlencoded' },
                body: new URLSearchParams({
                    formhash: formData.formhash,
                    lastview: formData.lastview,
                    content: content,
                    submit: '加上去'
                })
            });
            return response.ok || response.status === 302;
        } catch (error) {
            console.error('提交失败:', error.message);
            return false;
        }
    }

    function handleBlogPage() {
        const TARGET_BLOG_ID = localStorage.getItem('UserTargetBlogID');
        const currentBlogId = path.split('/')[2];

        if (currentBlogId === TARGET_BLOG_ID) {
            extractTopicIDs();
        }

        function extractTopicIDs() {
            const extractedIDs = {};

            const comments = document.querySelectorAll('.light_even.row.row_reply.clearit, .light_odd.row.row_reply.clearit');
            comments.forEach(comment => {
                const links = comment.querySelectorAll('.message a[href*="/group/topic/"]');
                links.forEach(link => {
                    const href = link.href;
                    const topicID = href.match(/group\/topic\/(\d+)/)?.[1];
                    if (topicID) {
                        extractedIDs[topicID] = true;
                    }
                });
            });

            localStorage.setItem('UserConIDT', JSON.stringify(extractedIDs));

            const notice = document.createElement('div');
            notice.textContent = `已提取 ${Object.keys(extractedIDs).length} 个主题帖`;
            notice.style.cssText = `
                position: fixed;
                top: 20px;
                right: 20px;
                padding: 10px;
                background: #40E0D0;
                color: white;
                border-radius: 5px;
                z-index: 9999;
                box-shadow: 0 2px 5px rgba(0,0,0,0.2);
            `;
            document.body.appendChild(notice);

            setTimeout(() => {
                notice.style.transition = 'opacity 1s';
                notice.style.opacity = '0';
                setTimeout(() => notice.remove(), 1000);
            }, 3000);
        }
    }

    // 初始化
    addCollectButton();
})();
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