import express from "express";
import { readFile } from "node:fs/promises";
import {
	guardedScreenshot,
	android_websocket,
	waitFullBoot,
} from "./screenshot.mjs";

import { execSync } from "node:child_process";

import fileUpload from "express-fileupload";

const device_size_x = 320;
const device_size_y = 640;

const app = express();
app.use(express.urlencoded({ extended: false }));

app.use(express.static("/code/dist"));

console.log("Waiting for full boot...");
await waitFullBoot();
console.log("Boot detected! activating endpoints");

//GET
app.get("/favicon.ico", function (req, res) {
	res.sendFile("/code/favicon.ico");
});

app.get("/htmx.js", function (req, res) {
	res.sendFile("/code/node_modules/htmx.org/dist/htmx.min.js");
});

app.get("/trafficLog", async function (req, res) {
	res.sendFile("/log/trafficLog");
});

app.get("/screen", async function (req, res) {
	await guardedScreenshot();
	res.sendFile("/code/screenshot.png");
});

app.get("/", async function (req, res) {
	let fileData = (await readFile("/code/index.html")).toString();

	fileData = fileData.replace(
		"___screenshotDelayMs___",
		process.env.screenshotDelayMs
	);

	res.setHeader("Content-Type", "text/html");
	res.setHeader("Content-Disposition", "inline");

	res.send(fileData);
});

//POST
app.post("/back", function (req, res) {
	android_websocket.send(`back`);
	res.sendStatus(200);
});

// default options
app.use(fileUpload());
app.post("/upload_apk", async function (req, res) {
	if (!req.files || Object.keys(req.files).length === 0) {
		return res.status(400).send("No files were uploaded.");
	}
	execSync("rm -rf /shared_buffer/*");
	if (Array.isArray(req.files.app)) {
		for (const [idx, file] of req.files.app.entries()) {
			let uploadPath = "/shared_buffer/app" + idx + ".apk";
			await file.mv(uploadPath);
		}
	} else {
		let uploadPath = "/shared_buffer/app" + 0 + ".apk";
		await req.files.app.mv(uploadPath);
	}
	android_websocket.send(`install`);
	res.send("Files uploaded!");
});

app.post("/home", function (req, res) {
	android_websocket.send(`home`);
	res.sendStatus(200);
});

app.post("/touch", function (req, res) {
	const x = parseInt(req.body.x);
	const y = parseInt(req.body.y);

	if (isNaN(x) || isNaN(y) || x > device_size_x || y > device_size_y) {
		res.send(
			`the query params must be x <= ${device_size_x}, y <= ${device_size_y}\n`
		);
	} else {
		android_websocket.send(`touch ${x} ${y}`);
		res.sendStatus(200);
	}
});

app.post("/drag", function (req, res) {
	const body = req.body;
	const startX = Number(body.startX);
	const startY = Number(body.startY);
	const endX = Number(body.endX);
	const endY = Number(body.endY);
	android_websocket.send(`drag ${startX} ${startY} ${endX} ${endY}`);
	res.sendStatus(200);
});

app.listen(8080, () => console.log("Listening in port 8080"));