import * as child_process from 'child_process';
import * as fs from "fs-extra-plus";
import simpleGit from 'simple-git';
import util from 'util';

const exec = util.promisify(child_process.exec);

const REG_DEL = /\/\/del_exp_start(?:[\s\S])+?\/\/del_exp_end/g;

async function main()
{
    console.log("我们将临时修改源代码,请注意回滚代码");

    let status = await simpleGit().status();

    if (status.files.length)
    {
        console.error("文件未提交,请保持git是清洁的,正常的!");
        return;
    }

    let files = await fs.glob(["./src/**/*.ts"]);

    let containerEntityFiles: string[] = [];

    for (let file of files)
    {
        let str = await fs.readFile(file, "utf-8");

        let length = str.length;

        str = str.replaceAll(REG_DEL, "");

        if (length !== str.length)
            await fs.writeFile(file, str);//替换

        if (str.includes("@Factory"))
            containerEntityFiles.push(`export * from "./${file.substring(6, file.length - 3)}"`);
    }

    console.log("正在写出导入");
    await fs.writeFile("./src/entitys.exp.ts", containerEntityFiles.join("\r\n"));

    {
        let str = await fs.readFile("./src/ueapi.ts", "utf-8");
        str += "\r\nexport * from \"./entitys.exp\";";

        str += "\r\nexport * from \"./DatabaseServices/CADFiler\";";
        str += "\r\nexport * from \"./DatabaseServices/Database\";";
        str += "\r\nexport * from \"./GraphicsSystem/CameraUpdate\";";
        await fs.writeFile("./src/ueapi.ts", str);
    }

    console.log("正在删除导入");
    //清除不需要的依赖 https://wesleygrimes.com/angular/2019/02/14/how-to-use-tslint-to-autoremove-all-unused-imports-in-a-typescript-project.html

    try
    {
        await exec("tslint --config ./utils/tslint-clear-no-unused-imports.json --fix --project .");
    } catch (error)
    {
        console.log(error);
    }
}

main();