import * as fs from "fs-extra-plus";
import * as path from "path";


function replace_api_file(filePath: string): Promise<void>
{
    return new Promise((res, rej) =>
    {
        fs.readFile(filePath, "utf8", (err, data) =>
        {
            if (err)
            {
                console.log(err);
                res();
                return;
            }

            data = data.replace("require(\"../GLSL/GoodchSimple.vs\")", "\"\"");
            data = data.replace("require(\"../GLSL/GoodchSimple2.fs\")", "\"\"");

            data = data.replace("require(\"./GoodchSimple.vs\")", "\"\"");
            data = data.replace("require(\"./GoodchSimple.fs\")", "\"\"");

            data = data.replace("import { iaop } from 'xaop';", "");
            data = data.replace("import { observable, toJS } from 'mobx';", "function observable() { };\r\nfunction toJS() { };");


            fs.writeFile(filePath, data, err =>
            {
                if (err)
                    console.error(filePath + "操作失败!");
                res();
            });
        });
    });
}

async function main()
{
    await replace_api_file(path.resolve(__dirname, "../ue4_api/api.cjs.js"));
    await replace_api_file(path.resolve(__dirname, "../ue4_api/api.esm.js"));

    await replace_api_file(path.resolve(__dirname, "../api/api.cjs.js"));
    await replace_api_file(path.resolve(__dirname, "../api/api.esm.js"));

    fs.copy(path.resolve(__dirname, "../ue4_api"), path.resolve(__dirname, "../../webcad_ue4_api"));
}
main();