import { epubGen, type IEpubGenOptions } from 'wp-epub-gen';

const options: IEpubGenOptions = {
  title: "我的电子书",
  author: "作者名",
  output: "./my-book.epub",
  content: [
    {
      title: "第一章",
      data: "<h1>第一章</h1><p>这是第一章的内容...</p>"
    }
  ]
};

try {
  const result = await epubGen(options);
  if (result.success) {
    console.log("电子书生成成功！");
  } else {
    console.error("生成失败：", result.message);
  }
} catch (error) {
  console.error("发生错误：", error);
}

import { epubGen } from 'wp-epub-gen';

const options = {
  title: "完整示例电子书",
  author: ["张三", "李四"],
  publisher: "我的出版社",
  cover: "https://example.com/cover.jpg",
  output: "./complete-book.epub",
  version: 3,
  lang: "zh-cn",
  css: "body { font-family: 'Microsoft YaHei', sans-serif; }",
  tocTitle: "目录",
  appendChapterTitles: true,
  tocAutoNumber: true,
  verbose: true,
  timeoutSeconds: 60,
  content: [
    {
      title: "前言",
      data: "<h1>前言</h1><p>这是前言内容...</p>",
      beforeToc: true
    },
    {
      title: "第一部分",
      data: "<h1>第一部分</h1>",
      children: [
        {
          title: "第一章",
          data: "<h2>第一章</h2><p>第一章内容...</p>"
        },
        {
          title: "第二章", 
          data: "<h2>第二章</h2><p>第二章内容...</p>"
        }
      ]
    },
    {
      title: "第二部分",
      data: "<h1>第二部分</h1><p>第二部分内容...</p>"
    },
    {
      title: "附录",
      data: "<h1>附录</h1><p>附录内容...</p>",
      excludeFromToc: true
    }
  ]
};

epubGen(options).then(result => {
  if (result.success) {
    console.log("电子书生成成功！");
  }
});

interface IOut {
  success?: boolean;     // 是否成功
  message?: string;      // 错误信息（如果失败）
  options?: IEpubGenOptions; // 使用的配置选项
}

interface IGenConfigs {
  logger?: ILogger;
  onProgress?: (e: IProgressEvent) => void;
  concurrency?: number;
}

interface ILogger {
  log: (msg: any) => void;
  info: (msg: any) => void;
  warn: (msg: any) => void;
  error: (msg: any) => void;
}

type ProgressPhase =
  | 'parseContent'    // 解析章节 HTML
  | 'writeChapters'   // 写章节临时文件
  | 'buildToc'        // 渲染 OPF / NCX / TOC
  | 'downloadImage'   // 下载图片（仅当存在图片时）
  | 'zip'             // 打包 .epub

interface IProgressEvent {
  phase: ProgressPhase;
  current: number;     // 已完成数量
  total: number;       // 总数量
  label?: string;      // 当前条目标签（章节标题 / 图片 URL）
}

await epubGen(options, {
  onProgress: (e) => {
    console.log(`[${e.phase}] ${e.current}/${e.total}`);
  },
});

import type {
  IEpubGenOptions,
  IChapter,
  IChapterData,
  IEpubData,
  IEpubImage,
  IGenConfigs,
  ILogger,
  IProgressEvent,
  ProgressPhase,
  IOut,
} from 'wp-epub-gen';

import { epubGen, errors } from 'wp-epub-gen';

const result = await epubGen(options);

if (!result.success) {
  switch (result.message) {
    case errors.no_title:
      console.error("缺少标题");
      break;
    case errors.no_output_path:
      console.error("缺少输出路径");
      break;
    case errors.no_content:
      console.error("缺少内容");
      break;
    default:
      console.error("未知错误：", result.message);
  }
}