import fs from 'fs';
import axios from 'axios';
import * as cheerio from 'cheerio';
import path from 'path';
import { setTimeout } from 'timers/promises';
import { fileURLToPath } from 'url';
import JSZip from 'jszip';
import { v4 as uuidv4 } from 'uuid';
import { JSDOM } from 'jsdom';

const __filename = fileURLToPath(import.meta.url);
const __dirname = path.dirname(__filename);

/**
 * 格式化章节内容
 * @param {string} content - 原始文本内容
 * @returns {string} - 格式化后的HTML内容
 */
async function formatChapterContent(content) {
    // 将章节标题替换为<h2>
    content = content.replace(/Chapter \d+/g, match => `<h2>${match}</h2>`);
    
    // 将正文段落用<p>包裹
    content = content.replace(/\n\n/g, '</p><p>');
    content = `<p>${content}</p>`;
    
    return content;
}

/**
 * 处理文本文件，为章节标题添加h2标签，为段落添加p标签
 * @param {string} filePath - 文本文件路径
 * @param {string} outputPath - 输出文件路径
 * @returns {Promise<void>}
 */
async function formatTextFile(filePath, outputPath) {
    try {
        // 读取文本文件
        const content = await fs.promises.readFile(filePath, 'utf-8');
        console.log(`已读取文件: ${filePath}`);
        
        // 分割成章节
        const chapters = content.split(/Chapter \d+/).filter(Boolean);
        console.log(`检测到 ${chapters.length} 个章节内容块`);
        
        let formattedContent = '';
        let chapterIndex = 1;
        
        // 处理每个章节
        for (const chapter of chapters) {
            // 添加章节标题
            formattedContent += `<h2>Chapter ${chapterIndex}</h2>\n`;
            
            // 处理章节内容，将段落用<p>标签包裹
            const paragraphs = chapter.trim().split(/\n\s*\n/);
            for (const paragraph of paragraphs) {
                if (paragraph.trim()) {
                    formattedContent += `<p>${paragraph.trim()}</p>\n`;
                }
            }
            
            chapterIndex++;
        }
        
        // 写入输出文件
        await fs.promises.writeFile(outputPath, formattedContent);
        console.log(`格式化完成! 结果已保存到: ${outputPath}`);
        console.log(`共处理了 ${chapters.length} 个章节`);
        
    } catch (error) {
        console.error('处理文本文件时出错:', error);
    }
}

async function mergeChapterFiles(sourceDir, outputFile) {
    try {
        const SEPARATOR = '\n******************\n';
        const { readdir, readFile, writeFile } = fs.promises;

        // 获取所有HTML文件并按章节顺序排序
        const files = (await readdir(sourceDir))
            .filter(file => file.endsWith('.html'))
            .sort((a, b) => parseInt(a.split('_')[0]) - parseInt(b.split('_')[0]));

        if (files.length === 0) {
            console.error('未找到任何章节文件');
            return;
        }

        let mergedContent = '';
        
        // 处理每个章节文件
        for (const file of files) {
            const filePath = path.join(sourceDir, file);
            const html = await readFile(filePath, 'utf-8');
            
            // 提取章节标题
            const titleMatch = file.match(/_([^\.]+)\.html$/);
            const title = titleMatch ? titleMatch[1] : file;
            
            // 提取正文内容
            const contentMatch = html.match(/<div id="showReading"[^>]*>([\s\S]*?)<\/div>/);
            if (!contentMatch) continue;
            
            let content = contentMatch[1]
                .replace(/<sent[^>]*>/g, '')
                .replace(/<\/sent>/g, '')
                .replace(/<br>/g, '\n')
                .replace(/<[^>]+>/g, '')
                .replace(/\(adsbygoogle\s*=\s*window\.adsbygoogle\s*\|\|\s*\[\]\).push\(\{\}\);/g, '')
                .replace(/\n{3,}/g, '\n\n');
            
            // 添加到合并内容
            mergedContent += `${title}\n\n${content.trim()}${SEPARATOR}`;
            console.log(`已处理: ${file}`);
        }

        // 格式化合并后的内容
        const formattedContent = mergedContent;
        
        // 写入合并文件
        await writeFile(outputFile, formattedContent);
        console.log(`\n合并完成! 结果已保存到: ${outputFile}`);
        console.log(`共合并了 ${files.length} 个章节`);

    } catch (error) {
        console.error('合并章节时出错:', error);
    }
}

/**
 * 爬取单个章节内容
 * @param {string} baseUrl - 网站基础URL
 * @param {string} chapterUrl - 章节URL
 * @param {object} headers - 请求头
 * @param {boolean} debug - 是否开启调试模式
 * @returns {Promise<string|null>} - 章节内容或null
 */
async function fetchChapterContent(baseUrl, chapterUrl, headers, debug = false) {
    try {
        // 如果URL不是以http开头，则添加baseUrl
        const fullUrl = chapterUrl.startsWith('http') ? chapterUrl : `${baseUrl}${chapterUrl}`;
        
        if (debug) {
            console.log(`爬取章节内容: ${fullUrl}`);
        }
        
        const response = await axios.get(fullUrl, { headers });
        
        if (response.status !== 200) {
            console.error(`获取章节内容失败，状态码: ${response.status}`);
            return null;
        }
        
        const $ = cheerio.load(response.data);
        
        // 尝试多种选择器来获取章节内容
        const contentSelectors = [
            '.chapter-content',
            '.article-content',
            '.content',
            '#content',
            '.text-content',
            '.chapter-text',
            '.novel-content'
        ];
        
        let content = null;
        
        for (const selector of contentSelectors) {
            const element = $(selector);
            if (element.length > 0) {
                content = element.html();
                if (debug) {
                    console.log(`使用选择器 ${selector} 成功获取章节内容`);
                }
                break;
            }
        }
        
        // 如果上面的选择器都没找到内容，尝试查找包含大量文本的元素
        if (!content) {
            let maxTextLength = 0;
            let maxTextElement = null;
            
            $('div, article, section, p').each((_, element) => {
                const text = $(element).text().trim();
                if (text.length > maxTextLength && text.length > 500) {
                    maxTextLength = text.length;
                    maxTextElement = element;
                }
            });
            
            if (maxTextElement) {
                content = $(maxTextElement).html();
                if (debug) {
                    console.log(`使用最长文本元素获取章节内容，长度: ${maxTextLength}`);
                }
            }
        }
        
        return content;
    } catch (error) {
        console.error(`爬取章节内容出错: ${error.message}`);
        return null;
    }
}

/**
 * 爬取小说章节目录
 * @param {string} title - 小说标题
 * @param {boolean} debug - 是否开启调试模式
 * @param {string} outputDir - 输出目录
 * @param {boolean} fetchContent - 是否爬取章节内容
 * @returns {Promise<Array|Object>} - 章节目录数组或错误对象
 */
async function runScript(title, debug = false, outputDir = 'src/web_crawler', fetchContent = false){
    const url = `https://novelhi.com/s/index/`+title;
    console.log(`正在爬取网址: ${url}`);

    try {
        // 设置请求头，模拟浏览器行为
        const headers = {
            'User-Agent': 'Mozilla/5.0 (Macintosh; Intel Mac OS X 10_15_7) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/91.0.4472.114 Safari/537.36',
            'Accept': 'text/html,application/xhtml+xml,application/xml;q=0.9,image/webp,*/*;q=0.8',
            'Accept-Language': 'en-US,en;q=0.5',
            'Connection': 'keep-alive',
            'Upgrade-Insecure-Requests': '1',
            'Cache-Control': 'max-age=0'
        };

        const response = await axios.get(url, { headers });
        console.log(`请求状态码: ${response.status}`);
        
        // 如果开启调试模式，保存HTML内容
        if (debug) {
            const debugFilePath = path.join(outputDir, 'debug_page.html');
            fs.writeFileSync(debugFilePath, response.data);
            console.log(`已保存HTML内容到 ${debugFilePath} 文件`);
        }
        
        const $ = cheerio.load(response.data);
        
        // 提取章节目录
        const chapters = [];
        
        // 如果开启调试模式，打印页面结构信息
        if (debug) {
            console.log('页面标题:', $('title').text());
            console.log('页面主要容器数量:');
            console.log('- div 元素数量:', $('div').length);
            console.log('- ul 元素数量:', $('ul').length);
            console.log('- li 元素数量:', $('li').length);
            console.log('- a 元素数量:', $('a').length);
        }
        
        // 尝试多种选择器
        const selectors = [
            '.chapter-list li',
            '.book-catalog-list a',
            '.catalog-list li',
            '.chapter-item',
            '.chapter a',
            'ul.chapters li',
            '.book-chapters a',
            '.novel-chapters a',
            'span:contains("Chapter")'
        ];
        
        for (const selector of selectors) {
            console.log(`尝试选择器: ${selector}`);
            const elements = $(selector);
            console.log(`找到 ${elements.length} 个元素`);
            
            if (elements.length > 0) {
                elements.each((index, element) => {
                    let chapterTitle, chapterUrl;
                    
                    if (selector === 'span:contains("Chapter")') {
                        chapterTitle = $(element).text().trim();
                        // 对于这个网站，我们可能需要构造章节URL
                        chapterUrl = `/s/${title}/${chapterTitle.replace('Chapter ', '')}`;
                    } else if (selector.includes('a')) {
                        chapterTitle = $(element).text().trim();
                        chapterUrl = $(element).attr('href');
                    } else {
                        chapterTitle = $(element).find('a').text().trim();
                        chapterUrl = $(element).find('a').attr('href');
                    }
                    
                    if (chapterTitle) {
                        chapters.push({
                            title: chapterTitle,
                            url: chapterUrl || '#',
                            index: index + 1
                        });
                    }
                });
                
                if (chapters.length > 0) {
                    console.log(`使用选择器 ${selector} 成功找到章节`);
                    break;
                }
            }
        }
        
        // 如果上面的选择器都没有找到章节，尝试更通用的方法
        if (chapters.length === 0) {
            console.log('尝试查找所有可能的章节链接...');
            
            // 查找所有包含"chapter"或"第"字样的链接或文本
            $('*').each((index, element) => {
                const text = $(element).text().trim();
                
                if (text && (text.includes('Chapter') || text.includes('第') || text.includes('章'))) {
                    // 检查是否是单独的章节标题（不包含其他章节）
                    if (text.match(/^Chapter \d+$/) || text.match(/^第[一二三四五六七八九十百千万]+章/) || text.match(/^\d+\.\s+.+$/)) {
                        chapters.push({
                            title: text,
                            url: '#',  // 如果没有URL，使用占位符
                            index: index + 1
                        });
                    }
                }
            });
        }
        
        console.log(`共找到 ${chapters.length} 个章节`);
        
        // 将结果保存到文件中
        const outputFilePath = path.join(outputDir, `${title}_chapters.json`);
        fs.writeFileSync(outputFilePath, JSON.stringify(chapters, null, 2));
        console.log(`已将章节目录保存到 ${outputFilePath} 文件`);
        
        // 打印前10个章节和后10个章节
        if (debug || chapters.length <= 20) {
            console.log("章节目录:");
            console.log(JSON.stringify(chapters, null, 2));
        } else {
            console.log("前10个章节:");
            console.log(JSON.stringify(chapters.slice(0, 10), null, 2));
            
            console.log("...");
            
            console.log("后10个章节:");
            console.log(JSON.stringify(chapters.slice(-10), null, 2));
        }
        
        // 如果需要爬取章节内容
        if (fetchContent && chapters.length > 0) {
            console.log(`开始爬取章节内容...`);
            
            // 创建章节内容目录
            const contentDir = path.join(outputDir, `${title}_contents`);
            if (!fs.existsSync(contentDir)) {
                fs.mkdirSync(contentDir, { recursive: true });
            }
            
            // 创建一个包含所有章节内容的对象
            const contentsObj = {};
            
            // 设置基础URL
            const baseUrl = 'https://novelhi.com';
            
            // 爬取所有章节
            const chaptersToFetch = chapters;
            console.log(`将爬取 ${chaptersToFetch.length}/${chapters.length} 个章节的内容`);
            
            // 爬取章节内容
            for (let i = 0; i < chaptersToFetch.length; i++) {
                const chapter = chaptersToFetch[i];
                
                // 每爬取10个章节，暂停一下，避免请求过于频繁
                if (i > 0 && i % 10 === 0) {
                    console.log(`已爬取 ${i}/${chaptersToFetch.length} 章节，暂停 2 秒...`);
                    await setTimeout(2000);
                }
                
                // 爬取章节内容
                const content = await fetchChapterContent(baseUrl, chapter.url, headers, debug);
                
                if (content) {
                    // 更新章节对象，添加内容
                    chapters[i].content = content;
                    contentsObj[chapter.title] = content;
                    
                    // 将章节内容保存到单独的文件
                    const chapterFileName = `${String(chapter.index).padStart(4, '0')}_${chapter.title.replace(/[\\/:*?"<>|]/g, '_')}.html`;
                    const chapterFilePath = path.join(contentDir, chapterFileName);
                    
                    // 创建一个完整的HTML文件
                    const htmlContent = `<!DOCTYPE html>
<html>
<head>
    <meta charset="UTF-8">
    <title>${chapter.title}</title>
    <style>
        body {
            font-family: Arial, sans-serif;
            line-height: 1.6;
            margin: 0 auto;
            max-width: 800px;
            padding: 20px;
        }
        h1 {
            text-align: center;
            margin-bottom: 30px;
        }
        p {
            text-indent: 2em;
            margin-bottom: 1em;
        }
    </style>
</head>
<body>
    <h1>${chapter.title}</h1>
    ${content}
</body>
</html>`;
                    
                    fs.writeFileSync(chapterFilePath, htmlContent);
                    
                    if (debug) {
                        console.log(`已保存章节 ${chapter.title} 到 ${chapterFilePath}`);
                    } else if (i % 10 === 0 || i === chapters.length - 1) {
                        console.log(`已保存 ${i + 1}/${chapters.length} 章节`);
                    }
                } else {
                    console.error(`获取章节 ${chapter.title} 内容失败`);
                }
            }
            
            // 保存所有章节内容到一个文件
            const allContentsPath = path.join(outputDir, `${title}_all_contents.json`);
            fs.writeFileSync(allContentsPath, JSON.stringify(contentsObj, null, 2));
            console.log(`已将所有章节内容保存到 ${allContentsPath} 文件`);
            
            // 更新章节目录文件，包含内容
            const chaptersWithContentPath = path.join(outputDir, `${title}_chapters_with_content.json`);
            fs.writeFileSync(chaptersWithContentPath, JSON.stringify(chapters, null, 2));
            console.log(`已将包含内容的章节目录保存到 ${chaptersWithContentPath} 文件`);
        }
        
        return chapters;
    } catch (err) {
        console.error("爬取过程中出错:", err.message);
        return { errcode: 101, errStr: err.message };
    } finally {
        console.log("完成");
    }
}

/**
 * 生成 EPUB 电子书
 * @param {string} contentFilePath - HTML 格式的正文文件路径
 * @param {string} coverImagePath - 封面图片路径
 * @param {string} outputPath - 输出 EPUB 文件路径
 * @param {string} bookTitle - 电子书标题
 * @param {string} author - 作者名称
 * @returns {Promise<void>}
 */
async function generateEpub(contentFilePath, coverImagePath, outputPath, bookTitle, author) {
    try {
        // 读取 HTML 内容
        const htmlContent = fs.readFileSync(contentFilePath, 'utf-8');
        const dom = new JSDOM(htmlContent);
        const document = dom.window.document;
        
        // 提取章节 (h2 标签)
        const chapterElements = document.querySelectorAll('h2');
        const chapters = [];
        
        // 处理每个章节
        chapterElements.forEach((chapterElement, index) => {
            const title = chapterElement.textContent.trim();
            let content = '';
            
            // 收集当前章节的所有段落，直到下一个 h2 或文档结束
            let currentElement = chapterElement.nextElementSibling;
            while (currentElement && currentElement.tagName.toLowerCase() !== 'h2') {
                if (currentElement.tagName.toLowerCase() === 'p') {
                    // 每个 p 标签作为独立段落，用 <p> 标签包裹并添加样式类
                    content += `<p>${currentElement.innerHTML}</p>\n`;
                }
                currentElement = currentElement.nextElementSibling;
            }
            
            chapters.push({ title, content });
        });

        // 读取封面图片
        const coverImage = fs.readFileSync(coverImagePath);

        // 创建 EPUB 容器
        const zip = new JSZip();

        // 添加 mimetype 文件（必须是第一个文件，且不压缩）
        zip.file('mimetype', 'application/epub+zip', { compression: 'STORE' });

        // 创建 META-INF 目录
        const metaInf = zip.folder('META-INF');
        metaInf.file('container.xml', `<?xml version="1.0"?>
<container version="1.0" xmlns="urn:oasis:names:tc:opendocument:xmlns:container">
    <rootfiles>
        <rootfile full-path="OEBPS/content.opf" media-type="application/oebps-package+xml"/>
    </rootfiles>
</container>`);

        // 创建 OEBPS 目录
        const oebps = zip.folder('OEBPS');

        // 添加封面图片
        oebps.file('Images/cover.jpg', coverImage);

        // 生成封面页 XHTML
        const coverXhtml = `<?xml version="1.0" encoding="UTF-8"?>
<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.1//EN" "http://www.w3.org/TR/xhtml11/DTD/xhtml11.dtd">
<html xmlns="http://www.w3.org/1999/xhtml">
<head>
    <title>封面</title>
    <meta http-equiv="Content-Type" content="text/html; charset=utf-8"/>
    <meta name="calibre:cover" content="true"/>
    <link rel="stylesheet" type="text/css" href="../Styles/stylesheet.css"/>
    <style type="text/css">
        body {
            margin: 0;
            padding: 0;
            text-align: center;
        }
        img {
            max-width: 100%;
            height: auto;
            margin: 0;
            padding: 0;
        }
    </style>
</head>
<body>
    <div class="cover-container">
        <img src="../Images/cover.jpg" alt="封面"/>
    </div>
</body>
</html>`;

        const textFolder = oebps.folder('Text');
        textFolder.file('cover.xhtml', coverXhtml);

        // 生成章节 HTML 文件
        const spineItems = [
            { idref: 'cover', linear: 'no' }
        ];
        const manifestItems = [
            { id: 'cover', href: 'Text/cover.xhtml', mediaType: 'application/xhtml+xml', properties: 'cover-image' },
            { id: 'cover-image', href: 'Images/cover.jpg', mediaType: 'image/jpeg' },
            { id: 'ncx', href: 'toc.ncx', mediaType: 'application/x-dtbncx+xml' }
        ];

        chapters.forEach((chapter, index) => {
            const { title, content } = chapter;
            const chapterId = `chapter_${index}`;
            const chapterFileName = `${chapterId}.xhtml`;

            const chapterHtml = `<?xml version="1.0" encoding="UTF-8"?>
<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.1//EN" "http://www.w3.org/TR/xhtml11/DTD/xhtml11.dtd">
<html xmlns="http://www.w3.org/1999/xhtml">
<head>
    <title>${title}</title>
    <meta http-equiv="Content-Type" content="text/html; charset=utf-8"/>
    <link rel="stylesheet" type="text/css" href="../Styles/stylesheet.css"/>
</head>
<body>
    <h2 class="chapter-title">${title}</h2>
    <div class="chapter-content">
        ${content}
    </div>
</body>
</html>`;

            textFolder.file(chapterFileName, chapterHtml);
            manifestItems.push({ id: chapterId, href: `Text/${chapterFileName}`, mediaType: 'application/xhtml+xml' });
            spineItems.push({ idref: chapterId });
        });

        // 生成目录文件
        const tocHtml = `<?xml version="1.0" encoding="UTF-8"?>
<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.1//EN" "http://www.w3.org/TR/xhtml11/DTD/xhtml11.dtd">
<html xmlns="http://www.w3.org/1999/xhtml">
<head>
    <title>目录</title>
    <meta http-equiv="Content-Type" content="text/html; charset=utf-8"/>
    <link rel="stylesheet" type="text/css" href="../Styles/stylesheet.css"/>
</head>
<body>
    <h2 class="toc-title">目录</h2>
    <ol class="toc-list">
        ${chapters.map((chapter, index) => {
            return `<li class="toc-item"><a href="chapter_${index}.xhtml">${chapter.title}</a></li>`;
        }).join('\n')}
    </ol>
</body>
</html>`;

        textFolder.file('toc.xhtml', tocHtml);
        manifestItems.push({ id: 'toc', href: 'Text/toc.xhtml', mediaType: 'application/xhtml+xml' });

        // 添加 CSS 文件
        const cssFolder = oebps.folder('Styles');
        const csspath=path.join(__dirname, 'epub_styles.css');
        console.log("🚀 ~ generateEpub ~ csspath:", csspath)
        
        const cssContent = fs.readFileSync(csspath, 'utf-8');
        cssFolder.file('stylesheet.css', cssContent);
        manifestItems.push({ id: 'stylesheet', href: 'Styles/stylesheet.css', mediaType: 'text/css' });

        // 生成唯一标识符
        const bookUUID = uuidv4();
        
        // 生成 toc.ncx 文件
        const tocNcx = `<?xml version='1.0' encoding='utf-8'?>
<ncx xmlns="http://www.daisy.org/z3986/2005/ncx/" version="2005-1" xml:lang="zh-CN">
  <head>
    <meta content="${bookUUID}" name="dtb:uid"/>
    <meta content="2" name="dtb:depth"/>
    <meta content="0" name="dtb:totalPageCount"/>
    <meta content="0" name="dtb:maxPageNumber"/>
  </head>
  <docTitle>
    <text>${bookTitle}</text>
  </docTitle>
  <navMap>
    <navPoint id="navpoint-0" playOrder="0">
      <navLabel>
        <text>封面</text>
      </navLabel>
      <content src="Text/cover.xhtml"/>
    </navPoint>
    <navPoint id="navpoint-1" playOrder="1">
      <navLabel>
        <text>目录</text>
      </navLabel>
      <content src="Text/toc.xhtml"/>
    </navPoint>
    ${chapters.map((chapter, index) => {
        return `<navPoint id="navpoint-${index + 2}" playOrder="${index + 2}">
      <navLabel>
        <text>${chapter.title}</text>
      </navLabel>
      <content src="Text/chapter_${index}.xhtml"/>
    </navPoint>`;
    }).join('\n')}
  </navMap>
</ncx>`;

        oebps.file('toc.ncx', tocNcx);

        // 生成 content.opf 文件
        const contentOpf = `<?xml version="1.0" encoding="UTF-8"?>
<package xmlns="http://www.idpf.org/2007/opf" version="2.0" unique-identifier="uuid_id">
    <metadata xmlns:dc="http://purl.org/dc/elements/1.1/" xmlns:opf="http://www.idpf.org/2007/opf">
        <dc:identifier id="uuid_id">urn:uuid:${bookUUID}</dc:identifier>
        <dc:title>${bookTitle}</dc:title>
        <dc:creator>${author}</dc:creator>
        <dc:language>zh-CN</dc:language>
        <dc:date>${new Date().toISOString().split('T')[0]}</dc:date>
        <meta name="cover" content="cover-image"/>
    </metadata>
    <manifest>
        ${manifestItems.map(item => `<item id="${item.id}" href="${item.href}" media-type="${item.mediaType}"/>`).join('\n')}
    </manifest>
    <spine toc="ncx">
        <itemref idref="cover"/>
        <itemref idref="toc"/>
        ${spineItems.map(item => `<itemref idref="${item.idref}"/>`).join('\n')}
    </spine>
    <guide>
        <reference type="cover" title="封面" href="Text/cover.xhtml"/>
    </guide>
</package>`;

        oebps.file('content.opf', contentOpf);

        // 生成 EPUB 文件
        const epubContent = await zip.generateAsync({ 
            type: 'nodebuffer', 
            compression: 'DEFLATE',
            mimeType: 'application/epub+zip'
        });
        fs.writeFileSync(outputPath, epubContent);

        console.log(`EPUB 电子书已生成: ${outputPath}`);
    } catch (error) {
        console.error('生成 EPUB 电子书时出错:', error);
    }
}


/**
 * 命令行入口
 */

//const title = "Zhui-Xu";
const title="Throne-of-Magical-Arcana";
//const title = 'Release-that-Witch';
//const title = 'Strange-Life-of-a-Cat';
//const title = "Hidden-Assassin";
//const author = "Angry Banana";
const author = "Cuttlefish That Loves Diving";
const coverName = "cover.jpg";

// 从命令行参数获取小说标题

const args = process.argv.slice(2);

// 显示帮助信息
if (args.includes("--help") || args.includes("-h")) {
    showHelp();
    process.exit(0);
}

// 获取参数
const debug = args.includes("--debug");
const outputDir = args.find(arg => arg.startsWith("--output="))?.split("=")[1] || title;
const fetchContent = 1;

console.log(`开始爬取小说: ${title}`);
console.log(`调试模式: ${debug ? "开启" : "关闭"}`);
console.log(`输出目录: ${outputDir}`);
console.log(`爬取章节内容: ${fetchContent ? "是" : "否"}`);

// 确保输出目录存在
if (!fs.existsSync(outputDir)) {
    fs.mkdirSync(outputDir, { recursive: true });
}

if (1==1){
await runScript(title, debug, outputDir, fetchContent)
    .then(result => {
        if (result && result.errcode) {
            console.error(`爬取失败: ${result.errStr}`);
            process.exit(1);
        } else {
            
            console.log("爬取任务完成！");
        }
    })
    .catch(err => {
        console.error("程序执行出错:", err);
        process.exit(1);
    });
}

let sourceDir = path.join(__dirname, title+'/'+title+'_contents');
let outputFile = path.join(__dirname, title+'/'+title+'.txt');
let outputFile2 = path.join(__dirname, title+'/'+title+'.html');
let coverFile=path.join(__dirname, title+'/'+coverName);
let epubFile=path.join(__dirname, title+'/'+title+'.epub');

if (1==1){
    await mergeChapterFiles(sourceDir, outputFile)
    .then(() => console.log('合并操作完成'))
    .catch(err => console.error('合并操作失败:', err));

    await formatTextFile(outputFile, outputFile2);
}

await generateEpub(outputFile2, coverFile, epubFile, title, author);

// 导出函数，以便其他模块使用
export default runScript;