const path = require("path");
const fs = require("fs");
const { env } = require("process");
const { execSync } = require("child_process");
const { argv, stdout, exit } = require("process");

const { execIn, getLines } = require('./utils');

const bundleRequired = ["@ovos-media/ts-transform-paths"];
const removeModules = argv.includes("cleanup");

console.log(`Installing all packages...`);
execIn("npm i", path.join(__dirname, ".."));

let partDir = path.join(__dirname, "..");
let distDir = path.join(partDir, "dist");
let start = 0;
start = getLines(
	execIn("npm ls --parseable --package-lock-only -a", partDir)
);
if (fs.existsSync(distDir))
	fs.rmSync(distDir, {
		recursive: true,
		force: true,
	});
let x = {
	dependencies: [],
	devDependencies: [],
	invalidDirs: [],
	invalidFiles: [],
	missing: [],
	using: [],
};
let dcproc = execIn("npx depcheck --json", partDir);
if(dcproc.stdout) x = JSON.parse(dcproc.stdout);
else x = JSON.parse(dcproc);

fs.writeFileSync(
	path.join(__dirname, "..", `depclean.out.json`),
	JSON.stringify(x, null, "\t"),
	{ encoding: "utf8" }
);

let depsToRemove = x.dependencies.join(" ");
if (depsToRemove) execIn(`npm r --save ${depsToRemove}`, partDir);

depsToRemove = x.devDependencies.join(" ");
if (depsToRemove) execIn(`npm r --save --dev ${depsToRemove}`, partDir);

if (removeModules && fs.existsSync(path.join(partDir, "node_modules")))
	fs.rmSync(path.join(partDir, "node_modules"), {
		recursive: true,
		force: true,
	});
let end = getLines(
	execIn("npm ls --parseable --package-lock-only -a", partDir)
);
console.log(`${part}: ${start} -> ${end} (diff: ${start - end})`);

console.log("Installing required packages for bundle...");

execIn(`npm i --save ${bundleRequired.join(" ")}`, path.join(__dirname, ".."));