import { assert } from "./test.mjs";

import * as Entity from "./entity.mjs";
import * as Input from "./input.mjs";
import { register_tick } from "./tick.mjs";

import * as Event from "./event.mjs";
import { underride } from "./underride.mjs";



const player = Entity.create(0, 0, 20, 20);

export function get_player () { return player; }

function tick_player (deltatime) {
	const meta = Entity.get_meta(player);
	const speed = meta.get("speed");

	let delta_x = 0;
	if (Input.pressed("ArrowLeft")) delta_x -= speed;
	if (Input.pressed("ArrowRight")) delta_x += speed;

	let delta_y = 0;
	if (Input.pressed("ArrowUp")) delta_y -= speed;
	if (Input.pressed("ArrowDown")) delta_y += speed;

	Entity.move(player, delta_x * deltatime, delta_y * deltatime);
}

register_tick(tick_player);

Event.listen("level/unload", _ => {
	Entity.set_visible(player, false);
	Entity.set_physical(player, false);
});

Event.listen("level/load/player", (data = {}) => {
	data = underride(data, {
		pos: {
			x: 0,
			y: 0,
		},
		size: {
			x: 20,
			y: 20,
		},
		speed: 100,
	});

	Entity.set_pos(player, data.pos.x, data.pos.y);
	Entity.set_size(player, data.size.x, data.size.y);

	const meta = Entity.get_meta(player);

	meta.set("speed", data.speed);

	Entity.set_visible(player, true);
	Entity.set_physical(player, true);
});