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

// 处理 HTML 渠道
async function processHtmlChannels(options) {
  const outputPrefix = options.outputPrefix || "";
  const htmlChannel = options.htmlChannel || [
    "applovin",
    "unity",
    "appier",
    "ironsource",
    "mintegral",
    "moloco",
  ];
  for (const channelName of htmlChannel) {
    // 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
    if (["applovin", "unity", "appier", "ironsource"].includes(channelName)) {
      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 ${mraidDestinationFile}`);
      }
    } else if (["mintegral", "moloco"].includes(channelName)) {
      const fileName = `${channelName}.js`;
      const sourceFile = path.join("networks", fileName);
      const destFile = path.join("web-mobile", fileName);
      if (fs.existsSync(sourceFile)) {
        fs.copyFileSync(sourceFile, destFile);
        console.log(`已复制: ${sourceFile} 到 ${destFile}`);
      }
    }

    if (["facebook", "google", "tiktok"].includes(channelName)) {
      if (channelName == "tiktok") {
        fs.copyFileSync(
          path.join("facebook/config.json"),
          path.join("web-mobile", `config.json`)
        );
        fs.copyFileSync(
          path.join("tiktok/tiktok.js"),
          path.join("web-mobile", `tiktok.js`)
        );
      } else {
          const sourceFile = path.join("networks", `${channelName}.js`);
          const destinationFile = path.join("web-mobile", `${channelName}.js`);
          console.log("------------------------", sourceFile);
        if (fs.existsSync(sourceFile)) {
          fs.copyFileSync(sourceFile, destinationFile);
          console.log(`已复制: ${sourceFile} 到 ${destinationFile}`);
        }
      }
    }

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

    // 移除非当前渠道包的 <script> 标签
    htmlChannel.forEach((channel) => {
      if (channel !== channelName) {
        const scriptRegex = new RegExp(
          `<script src="${channel}.js" charset="utf-8"></script>\\n`,
          "g"
        );
        htmlContent = htmlContent.replace(scriptRegex, "");
      }
    });

    // 移除 mraid_support.js 和 mraid.js 的 <script> 标签
    htmlContent = htmlContent.replace(
      /<script src="mraid_support.js" charset="utf-8"><\/script>\n/g,
      ""
    );
    htmlContent = htmlContent.replace(
      /<script src="mraid.js"><\/script>\n/g,
      ""
    );

    // 检查并插入新的渠道 script 标签
    let channelScriptTag = '';
    if (["applovin", "unity", "appier", "ironsource"].includes(channelName)) {
      channelScriptTag = `   <script src="mraid_support.js" charset="utf-8"></script>\n`;
    } else {
      // @TODO
      if (!channelName == "facebook") {
        channelScriptTag = `   <script src="${channelName}.js" charset="utf-8"></script>\n`;
      }
    }

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

    // 替换包含 window.vConsole = new VConsole 的 <script> 标签, 引用 cocos2d-js-min.js
    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(cocosScriptTag) &&
      !htmlContent.includes(assetMapScriptTag)
    ) {
      htmlContent = htmlContent.replace(cocosScriptTag, bodyScriptTags);
    }

    // 移除单渠道的 SDK script 标签
    if (!["tiktok", "facebook", "google"].includes(channelName)) {
      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`);

    // 调用 do_task 方法，将 web-mobile 下的所有包打包成一个 HTML
    createDist();

    do_task();

    // 如果是 ironsource 渠道，将 <script src="mraid.js"></script> 插入到 body 标签之前
    if (channelName === "ironsource") {
      htmlContent = fs.readFileSync(path.join("dist", "index.html"), "utf-8");
      htmlContent = htmlContent.replace(
        /<\/body>/,
        `<script src="mraid.js"></script></body>`
      );
      fs.writeFileSync(path.join("dist", "index.html"), htmlContent);
      console.log(
        `已将 <script src="mraid.js"></script> 写入到 ironsource.html 的 body 标签之前`
      );
    }

    // 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`);
    }
  }
}

export default processHtmlChannels;