import { Hono } from "hono";
import { actor, event, setup } from "rivetkit";

type Position = { x: number; y: number };

// One actor per room. State is shared by every connected client.
const room = actor({
	state: { players: {} as Record<string, Position> },
	events: { changed: event() },
	actions: {
		join(c, player: string) {
			c.state.players[player] ??= { x: 0, y: 0 };
			c.broadcast("changed", c.state.players);
			return c.state.players;
		},
		move(c, player: string, x: number, y: number) {
			c.state.players[player] = { x, y };
			c.broadcast("changed", c.state.players);
			return c.state.players;
		},
	},
});

export const registry = setup({ use: { room } });

const app = new Hono();
app.all("/api/rivet/*", (c) => registry.handler(c.req.raw));
app.get("/", (c) =>
	c.json({ message: "Use the RivetKit client to join a room." }),
);

export default app;