#!/usr/bin/env node
const path = require("path");
const fs = require("fs");
const { spawn } = require("child_process");

let code = fs.readFileSync(path.resolve(__dirname, "../package.nw/js/unpack/hackrequire/index.js"), {encoding:"utf8"});

let signatureBegin = "/* patch wechat devtools begin */\n";
let signatureEnd = "/* patch wechat devtools end */\n";

let index = code.indexOf(signatureBegin);

let patch = fs.readdirSync(path.resolve(__dirname, "../patch")).map((file) => {
    console.log(file)
    if ((file !== ".") && (file.endsWith(".js"))) {
        return (`/* ${file} */\n` + 
                "(() => {\n\n" + 
                "    try {\n\n" +
                fs.readFileSync(path.resolve(__dirname, "../patch", file), {encoding:"utf8"}).trim().split("\n").map((line) => {
                    return "        " + line;
                }).join("\n") + "\n\n" +
                "    } catch (error) {\n" + 
                "        process.stderr.write(error.message);\n" +
                "        process.stderr.write(error.stack);\n" +
                "    }\n\n" +
                "})();");
    }
    return "";
}).join("\n").trim() + "\n";

if (code.indexOf(signatureBegin) !== -1) {
    code = code.split(signatureEnd).slice(1).join(signatureEnd);
}

fs.writeFileSync(path.resolve(__dirname, "../package.nw/js/unpack/hackrequire/index.js"), 
                    signatureBegin + patch + signatureEnd + code);