#!/bin/env -S deno run --allow-net --allow-read

import { log_from, v2 } from "../common/utils.ts";
import { Engine } from "./engine.ts";
import { Session } from "./entities/player.ts";
import { sys_spawn_structure } from "./components/world.ts";
import { Gateway } from "./network.ts";
import { sys_spawn_enemy } from "./entities/enemy.ts";
import { enemy_plugin } from "./entities/enemy.ts";
const log = log_from(import.meta);

async function main() {
	const args = parse_args(Deno.args);

	log("Starting.");
	const engine = new Engine();
	enemy_plugin(engine);
	engine.start();

	engine.run(await sys_spawn_structure("../data/structures/houses.txt", v2(2, 2)));
	engine.run(sys_spawn_enemy(v2(1, 1)));

	const gateway = new Gateway(args.port);
	log("Awaiting connection.");
	for await (const client of gateway.accept()) {
		Session.init(client, engine).start();
	}
}

function parse_args(args: string[]) {
	const [port_] = args;
	let port = 9999;
	if (port_ !== undefined) port = parseInt(port_);
	return { port };
}

if (import.meta.main) await main();