import * as fs from "fs";
import * as path from "path";
import archiver from "archiver";
import { createDist } from "./common/utils.js";
import { processHtmlFiles } from "./scriptTo.js";
import do_task from "./single-html/build.js";
import { fileURLToPath } from "url";

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

async function processChannels(options) {
  const zipChannel = options.zipChannel || [
    "facebook",
    "google",
    "tiktok",
    "vungle",
    "liftoff",
  ];
  const outputPrefix = options.outputPrefix || "";
  const zipToSingleDir = options.zipToSingleDir || false;
  const jsPrefix = options.jsPrefix || "script";
  for (const channelName of zipChannel) {
    // 遍历 networks 目录下的所有js文件,获取 文件名 然后删除 web-mobile 目录下的同名文件
    const files = fs.readdirSync(path.join("networks"));
    for (const file of files) {
      if (file.endsWith(".js")) {
        const destinationFile = path.join("web-mobile", file);
        if (fs.existsSync(destinationFile)) {
          fs.unlinkSync(destinationFile);
          console.log(`已删除: ${destinationFile}`);
        }
      }
    }
    // tiktok 处理
    const tiktokConfig = path.join("web-mobile", `config.json`);
    if (fs.existsSync(tiktokConfig)) {
      fs.unlinkSync(tiktokConfig);
    }
    const tiktokJs = path.join("web-mobile", `tiktok.js`);
    if (fs.existsSync(tiktokJs)) {
      fs.unlinkSync(tiktokJs);
    }

    // 从 networks 找到复制到 web-mobile 中
    const sourceFile = path.join("networks", `${channelName}.js`);
    const destinationFile = path.join("web-mobile", `${channelName}.js`);

    if (channelName === "tiktok") {
      fs.copyFileSync(
        path.join("tiktok/config.json"),
        path.join("web-mobile", `config.json`)
      );
      fs.copyFileSync(
        path.join("tiktok/tiktok.js"),
        path.join("web-mobile", `tiktok.js`)
      );
    } else if (channelName === "vungle" || channelName === "liftoff") {
      // 对于 vungle 和 liftoff，使用 mraid_support.js
      const mraidSupportFile = path.join("networks", "mraid_support.js");
      const mraidDestinationFile = path.join("web-mobile", "mraid_support.js");
      if (fs.existsSync(mraidSupportFile)) {
        fs.copyFileSync(mraidSupportFile, mraidDestinationFile);
        console.log(`已复制: ${mraidSupportFile} 到 ${mraidDestinationFile}`);
      }
    } else {
      // if (fs.existsSync(sourceFile)) {
      //   fs.copyFileSync(sourceFile, destinationFile);
      //   console.log(`已复制: ${sourceFile} 到 ${destinationFile}`);
      // }
    }

    const htmlFilePath = path.join("web-mobile", "index.html");
    let htmlContent = fs.readFileSync(htmlFilePath, "utf-8");

    // 移除其他渠道包的 <script> 标签
    zipChannel.forEach((channel) => {
      const scriptRegex = new RegExp(
        `<script src="${channel}.js" charset="utf-8"></script>\\n`,
        "g"
      );
      htmlContent = htmlContent.replace(scriptRegex, "");
    });

    // 移除所有渠道的 <meta> 标签
    const metaTagRegex = /<meta name="ad.size" content="width=480,height=320">\n/g;
    htmlContent = htmlContent.replace(metaTagRegex, "");

    // 检查并插入新的渠道 script 标签
    // let channelScriptTag;
    // if (channelName === "vungle" || channelName === "liftoff") {
    //   channelScriptTag = `   <script src="mraid_support.js" charset="utf-8"></script>\n`;
    // } else {
    //   channelScriptTag = `   <script src="${channelName}.js" charset="utf-8"></script>\n`;
    // }

    // if (!htmlContent.includes(channelScriptTag)) {
    //   htmlContent = htmlContent.replace(
    //     /<\/head>/,
    //     `${channelScriptTag}</head>`
    //   );
    // }

    // 如果是 google 渠道，添加 <meta> 标签
    if (channelName === "google") {
      const metaTag = `<meta name="ad.size" content="width=480,height=320">\n`;
      if (!htmlContent.includes(metaTag)) {
        htmlContent = htmlContent.replace(/<\/head>/, `${metaTag}</head>`);
      }
    }

    if (zipToSingleDir) {
      // 替换包含 window.vConsole = new VConsole 的 <script> 标签
      const vConsoleScriptRegex =
        /<script type="text\/javascript">[\s\S]*?window\.vConsole = new VConsole\(\);[\s\S]*?<\/script>/;
      // @TODO cocos的名称需要从web-mobile文件夹中获取找到
      const cocosFileName = fs
        .readdirSync("web-mobile")
        .find(
          (file) => file.startsWith("cocos2d-js-min") && file.endsWith(".js")
        );
      const cocosScriptTag = `<script src="${cocosFileName}" charset="utf-8"></script>\n`;
      htmlContent = htmlContent.replace(vConsoleScriptRegex, cocosScriptTag);

      // 额外引入 loader-and-starter.js 和 asset-map.js 到 body 中
      const loaderScriptTag = `<script src="loader-and-starter.js" charset="utf-8"></script>\n`;
      const assetMapScriptTag = `<script src="asset-map.js" charset="utf-8"></script>\n`;
      const bodyScriptTags = `${cocosScriptTag}${loaderScriptTag}${assetMapScriptTag}`;

      if (
        !htmlContent.includes(loaderScriptTag) &&
        !htmlContent.includes(assetMapScriptTag)
      ) {
        htmlContent = htmlContent.replace(cocosScriptTag, bodyScriptTags);
      }
    }

    // 移除单渠道的 SDK script 标签
    // const sdkScriptTag = `<script src="https://sf16-muse-va.ibytedtos.com/obj/union-fe-nc-i18n/playable/sdk/playable-sdk.js"></script>\n`;
    // htmlContent = htmlContent.replace(sdkScriptTag, "");

    fs.writeFileSync(htmlFilePath, htmlContent);
    console.log(`已将 ${channelName}.js 和相关 script 引入到 index.html 中`);

    createDist();

    // 判断 zip 是否需要转成单目录包
    if (zipToSingleDir) {
      do_task();

       // 重命名生成的 index.html 为对应的渠道名称
      const distIndexPath = path.join('dist', 'index.html');
      const channelIndexPath = path.join('dist', `${outputPrefix}${channelName}.html`);
       if (fs.existsSync(distIndexPath)) {
           fs.renameSync(distIndexPath, channelIndexPath);
           console.log(`已重命名 index.html 为 ${channelName}.html`);
       }
    } else {
      // 打包 web-mobile 目录为 zip 文件
      const output = fs.createWriteStream(
        path.join("dist", `${outputPrefix}${channelName}.zip`)
      );
      const archive = archiver("zip", {
        zlib: { level: 9 }, // 设置压缩级别
      });
      output.on("close", function () {
        console.log(
          `已创建 ${channelName}.zip，大小为 ${archive.pointer()} 字节`
        );
      });
      archive.on("error", function (err) {
        throw err;
      });

      archive.pipe(output);
      archive.directory("web-mobile/", false);
      await archive.finalize();
    }
  }
  // 提取 html 中的 js 文件
  console.log("开始转成单目录包----");
  // if (zipToSingleDir) {
  //   processHtmlFiles(path.join(__dirname, 'dist'), jsPrefix);
  // }
}

export default processChannels;