// ==UserScript==
// @name         Miniflux 文章剪藏到思源笔记
// @namespace    http://tampermonkey.net/
// @version      2.0.1
// @description  在Miniflux页面上添加按钮，将文章一键剪藏到思源笔记。请在设置中配置你的思源信息。
// @author       You
// @match        https://rss.by00s.top/*
// @grant        GM_xmlhttpRequest
// @grant        GM_getValue
// @grant        GM_setValue
// @grant        GM_registerMenuCommand
// @grant        GM_addStyle
// @require      https://cdn.jsdelivr.net/npm/turndown@7.1.2/dist/turndown.js
// ==/UserScript==

(function() {
    'use strict';

    // ===== 1. 配置管理模块 =====
    const Config = {
        keys: {
            apiUrl: 'siyuan_api_url',
            token: 'siyuan_token',
            notebookId: 'siyuan_notebook_id'
        },

        getAll: function() {
            return {
                apiUrl: GM_getValue(this.keys.apiUrl, ''),
                token: GM_getValue(this.keys.token, ''),
                notebookId: GM_getValue(this.keys.notebookId, '')
            };
        },

        setAll: function(newConfig) {
            GM_setValue(this.keys.apiUrl, newConfig.apiUrl);
            GM_setValue(this.keys.token, newConfig.token);
            GM_setValue(this.keys.notebookId, newConfig.notebookId);
        },

        isComplete: function() {
            const config = this.getAll();
            return config.apiUrl && config.token && config.notebookId;
        },

        // ===== 修复后的 showSettings 函数 =====
        showSettings: function() {
            const config = this.getAll();
            
            if (document.getElementById('siyuan-settings-modal')) return;

            GM_addStyle(`
                #siyuan-settings-modal {
                    position: fixed;
                    top: 0;
                    left: 0;
                    width: 100%;
                    height: 100%;
                    background-color: rgba(0, 0, 0, 0.5);
                    z-index: 100000;
                    display: flex;
                    justify-content: center;
                    align-items: center;
                    font-family: sans-serif;
                }
                #siyuan-settings-content {
                    background: #fff;
                    padding: 20px 30px;
                    border-radius: 8px;
                    width: 90%;
                    max-width: 450px;
                    box-shadow: 0 4px 15px rgba(0,0,0,0.2);
                }
                #siyuan-settings-content h2 {
                    margin-top: 0;
                    color: #333;
                }
                #siyuan-settings-content label {
                    display: block;
                    margin-top: 15px;
                    margin-bottom: 5px;
                    font-weight: bold;
                    color: #555;
                }
                #siyuan-settings-content input {
                    width: 100%;
                    padding: 8px;
                    box-sizing: border-box;
                    border: 1px solid #ccc;
                    border-radius: 4px;
                }
                #siyuan-settings-buttons {
                    margin-top: 20px;
                    text-align: right;
                }
                #siyuan-settings-buttons button {
                    padding: 8px 15px;
                    border: none;
                    border-radius: 4px;
                    cursor: pointer;
                    margin-left: 10px;
                }
                #siyuan-save-btn { background-color: #007AFF; color: white; }
                #siyuan-cancel-btn { background-color: #f0f0f0; color: #333; }
            `);

            // 使用原生 DOM API 创建元素，避免 innerHTML 的 Trusted Types 问题
            const modal = document.createElement('div');
            modal.id = 'siyuan-settings-modal';

            const content = document.createElement('div');
            content.id = 'siyuan-settings-content';

            const title = document.createElement('h2');
            title.textContent = '思源笔记配置';
            content.appendChild(title);

            // API 地址输入框
            const apiUrlLabel = document.createElement('label');
            apiUrlLabel.textContent = '思源 API 地址 (如: https://siyuan.example.com)';
            apiUrlLabel.setAttribute('for', 'apiUrl');
            content.appendChild(apiUrlLabel);
            const apiUrlInput = document.createElement('input');
            apiUrlInput.type = 'url';
            apiUrlInput.id = 'apiUrl';
            apiUrlInput.placeholder = '请输入你的思源服务器地址';
            apiUrlInput.value = config.apiUrl;
            content.appendChild(apiUrlInput);

            // Token 输入框
            const tokenLabel = document.createElement('label');
            tokenLabel.textContent = 'API Token';
            tokenLabel.setAttribute('for', 'token');
            content.appendChild(tokenLabel);
            const tokenInput = document.createElement('input');
            tokenInput.type = 'text';
            tokenInput.id = 'token';
            tokenInput.placeholder = '在思源设置 -> 关于 -> API Token 中生成';
            tokenInput.value = config.token;
            content.appendChild(tokenInput);

            // 笔记本 ID 输入框
            const notebookIdLabel = document.createElement('label');
            notebookIdLabel.textContent = '笔记本 ID (如: 20211231123456-abcdefg)';
            notebookIdLabel.setAttribute('for', 'notebookId');
            content.appendChild(notebookIdLabel);
            const notebookIdInput = document.createElement('input');
            notebookIdInput.type = 'text';
            notebookIdInput.id = 'notebookId';
            notebookIdInput.placeholder = '在思源笔记设置 -> 关于 -> 笔记本列表中查找';
            notebookIdInput.value = config.notebookId;
            content.appendChild(notebookIdInput);
            
            const buttons = document.createElement('div');
            buttons.id = 'siyuan-settings-buttons';

            const cancelButton = document.createElement('button');
            cancelButton.id = 'siyuan-cancel-btn';
            cancelButton.textContent = '取消';
            cancelButton.addEventListener('click', () => modal.remove());
            buttons.appendChild(cancelButton);

            const saveButton = document.createElement('button');
            saveButton.id = 'siyuan-save-btn';
            saveButton.textContent = '保存';
            saveButton.addEventListener('click', () => {
                const newConfig = {
                    apiUrl: apiUrlInput.value.trim(),
                    token: tokenInput.value.trim(),
                    notebookId: notebookIdInput.value.trim()
                };
                this.setAll(newConfig);
                modal.remove();
                alert('配置已保存！');
                window.location.reload();
            });
            buttons.appendChild(saveButton);

            content.appendChild(buttons);
            modal.appendChild(content);
            document.body.appendChild(modal);

            modal.addEventListener('click', (e) => {
                if (e.target === modal) {
                    modal.remove();
                }
            });
        }
    };

    // ===== 2. 核心上传模块 (保持不变) =====
    const SiYuanUploader = {
        config: {},
        init: function() {
            this.config = Config.getAll();
            if (!Config.isComplete()) {
                console.warn('思源配置不完整，请先进行配置。');
                Config.showSettings();
                return;
            }
            if (document.readyState === 'loading') {
                document.addEventListener('DOMContentLoaded', () => this.createUploadButton());
            } else {
                setTimeout(() => this.createUploadButton(), 500);
            }
        },
        fetchWithGM: function(details) {
            return new Promise((resolve, reject) => {
                details.onload = (res) => {
                    if (res.status >= 200 && res.status < 300) {
                        resolve(res);
                    } else {
                        reject(new Error(`请求失败: ${res.status} ${res.statusText}`));
                    }
                };
                details.onerror = (err) => reject(err);
                GM_xmlhttpRequest(details);
            });
        },
        generateSafePath: function(title) {
            const safeTitle = title.toLowerCase().replace(/[^\w\u4e00-\u9fa5\s-]/g, '').replace(/\s+/g, '-').replace(/-+/g, '-').trim();
            const timestamp = new Date().toISOString().slice(0, 10);
            return `/web-clips/${timestamp}/${safeTitle}`;
        },
        getArticleTitle: function() {
            const selectors = ['h1#page-header-title', 'h1.page-header-title', '.entry-title h1', 'article h1', 'main h1', 'h1', 'title'];
            for (const selector of selectors) {
                const element = document.querySelector(selector);
                if (element && element.textContent.trim()) {
                    return element.textContent.trim();
                }
            }
            return '无标题文章';
        },
        getArticleContent: function() {
            const selectors = ['main article.entry-content', '.entry-content', 'article.content', '.content', 'main'];
            for (const selector of selectors) {
                const element = document.querySelector(selector);
                if (element) {
                    return element.cloneNode(true);
                }
            }
            return null;
        },
        convertToMarkdown: function(element) {
            if (!element) return '';
            const turndownService = new TurndownService({ headingStyle: 'atx', codeBlockStyle: 'fenced' });
            return turndownService.turndown(element);
        },
        createSiYuanDocument: async function(title, markdown) {
            const path = this.generateSafePath(title);
            const docData = { notebook: this.config.notebookId, path: path, markdown: markdown };
            const response = await this.fetchWithGM({
                method: 'POST',
                url: `${this.config.apiUrl}/api/filetree/createDocWithMd`,
                headers: { 'Content-Type': 'application/json', 'Authorization': `Token ${this.config.token}` },
                data: JSON.stringify(docData)
            });
            const result = JSON.parse(response.responseText);
            if (result.code !== 0) { throw new Error(`思源API错误: ${result.msg}`); }
            return result.data;
        },
        uploadToSiYuan: async function() {
            const button = document.getElementById('siyuan-upload-btn');
            if (!button) return;
            const originalText = button.textContent;
            button.disabled = true;
            button.textContent = '上传中...';
            try {
                const title = this.getArticleTitle();
                const content = this.getArticleContent();
                if (!content) { throw new Error('无法获取文章内容'); }
                const markdown = this.convertToMarkdown(content);
                if (!markdown.trim()) { throw new Error('转换后的内容为空'); }
                await this.createSiYuanDocument(title, markdown);
                button.textContent = '成功';
                setTimeout(() => { button.textContent = originalText; button.disabled = false; }, 2000);
            } catch (error) {
                console.error('上传失败:', error);
                button.textContent = '失败';
                alert(`上传失败: ${error.message}`);
                setTimeout(() => { button.textContent = originalText; button.disabled = false; }, 3000);
            }
        },
        createUploadButton: function() {
            if (document.getElementById('siyuan-upload-btn')) return;
            const actionsList = document.querySelector('.entry-actions ul');
            if (!actionsList) { setTimeout(() => this.createUploadButton(), 1000); return; }
            const li = document.createElement('li');
            const button = document.createElement('button');
            button.id = 'siyuan-upload-btn';
            button.className = 'page-button';
            button.textContent = '上传思源';
            button.title = '上传到思源笔记';
            button.style.cssText = `width: auto; height: 32px; padding: 4px 8px; display: flex; justify-content: center; align-items: center; border-radius: 8px; background-color: #007AFF; color: white; border: none; cursor: pointer; transition: background-color 150ms ease; font-size: 12px; margin: 0 2px;`;
            button.addEventListener('mouseenter', () => { button.style.backgroundColor = '#0056CC'; });
            button.addEventListener('mouseleave', () => { button.style.backgroundColor = '#007AFF'; });
            button.addEventListener('click', () => this.uploadToSiYuan());
            li.appendChild(button);
            actionsList.appendChild(li);
        }
    };

    // ===== 3. 初始化和菜单注册 (保持不变) =====
    GM_registerMenuCommand('⚙️ 思源笔记设置', () => {
        Config.showSettings();
    });

    console.log('Miniflux 文章剪藏到思源笔记脚本已加载');
    SiYuanUploader.init();
})();