const fs = require("fs");
const util = require("node:util");
const exec = util.promisify(require("node:child_process").exec);
const readline = require("readline");

const outPath =
  "./PackageSources/html_ui/Pages/VCockpit/Instruments/aircraft_efb/KH_TFDi_MD11_efb";

fs.copyFileSync("./EFB/efb.js", `${outPath}/efb.js`);
fs.copyFileSync("./EFB/efb.html", `${outPath}/efb.html`);
fs.copyFileSync("./EFB/efb.css", `${outPath}/efb.css`);
console.log("Files transferred.");

exec("git apply ./EFB/efb-js.patch").then(({ stdout, stderr }) => {
  console.log("Patches efb.js applied.");
});
exec("git apply ./EFB/efb-html.patch").then(({ stdout, stderr }) => {
  console.log("Patches efb.html applied.");
});

var output = "";
var lineReader = readline.createInterface({
  input: fs.createReadStream(`${outPath}/App.js`),
});
lineReader.on("line", (line) => {
  if (line.startsWith("import") || line.startsWith("export")) {
    output += "// " + line + "\n";
  } else {
    output += line + "\n";
  }
});
lineReader.on("close", () => {
  fs.writeFile(`${outPath}/App.js`, output, (err) => {
    if (err) console.log(err);
    console.log("Import/Export removed.");
  });
});