const ID = window.crypto.randomUUID();

let players = {};

document.addEventListener("DOMContentLoaded", () => {
    let socket = io();

    socket.on("connect", () => {
        console.log("Connected!");
        socket.emit("message", { type: "ANNOUNCE", author: ID, name: "" });
        players[ID] = { name: "" };
    });

    socket.on("message", (data) => {
        // Ignore any messages that originate from us.
        if (data.author !== ID) {
            switch (data.type) {
                case "ANNOUNCE":
                    playerConnected(socket, data);
                    break;
            }
        }
    });
});

function playerConnected(socket, data) {
    // When a new player is seen, all announce to ensure they know all players.
    if (players[data.author] === undefined) {
        players[data.author] = { name: data.name };
        socket.emit("message", { type: "ANNOUNCE", author: ID, name: "" });
    } else {
    }
}