import { BlockChange, ClientMessage, EntityInfo, PlayerInfo, ServerMessage } from "$/common/protocol.ts";
import type { ModListing } from "$/common/mod_loader.ts";
import type { Join, ServerSocket, Welcome } from "./handshake.ts";

export class Connection {
	#server: ServerSocket;
	id: string;
	name: string;
	seed: string;
	mods: ModListing[];
	initial_changes: BlockChange[];
	spawn: { x: number; y: number; z: number; yaw: number; pitch: number };
	selected_slot: number;
	// who was already there when we joined, they become entities in the level
	initial_players: PlayerInfo[];
	initial_entities: EntityInfo[];

	constructor(server: ServerSocket, welcome: Welcome, join: Join) {
		this.#server = server;
		this.id = join.id;
		this.name = join.name;
		this.seed = welcome.seed;
		this.mods = welcome.mods;
		this.initial_changes = join.changes;
		this.spawn = join.spawn;
		this.selected_slot = join.selected_slot;
		this.initial_players = join.players;
		this.initial_entities = join.entities;
	}

	// handled by the packet listener inside the game loop, not whenever the socket feels like it
	get incoming(): ServerMessage[] {
		return this.#server.messages;
	}

	get closed() {
		return this.#server.closed;
	}

	send(message: ClientMessage) {
		this.#server.send(message);
	}

	close() {
		this.#server.close();
	}
}

// what the name field starts as, from ?name=
export function default_player_name(): string {
	return new URLSearchParams(location.search).get("name") ?? "";
}