import { ChatMessage, Client, LocalClient, NetworkMessage, PeerClient, PeerServer } from "@/network";
import { ActionTree, Commit } from "vuex";

import { AppState } from "../types";
import { ConnectOptions, NetworkState, StartServerOptions } from "./types";

function bindClientEvents(commit: Commit, client: Client) {
  client.on("handshake", () => {
    commit("playerListChanged", client.players);
  });
  client.on("player-joined", () => commit("playerListChanged", client.players));
  client.on("player-left", () => commit("playerListChanged", client.players));
  client.on("rename", () => commit("playerListChanged", client.players));
}

const actions: ActionTree<NetworkState, AppState> = {
  startServer({ commit }, options: StartServerOptions) {
    const local = new LocalClient(options.playerInfo);
    const server = new PeerServer(options.roomInfo, local, options._customPeer);
    server.once("open", id => {
      commit("serverAssignedID", id);
    });
    bindClientEvents(commit, local);
    commit("becomeServer", { local, server });
  },

  connect({ commit }, options: ConnectOptions) {
    const client = new PeerClient(options.playerInfo, options._customPeer);
    commit("becomeClient", { peer: client, id: options.serverID });
    client.on("connected", () => {
      commit("connectionStatusChanged", "connected");
    });
    client.on("disconnected", () => {
      commit("connectionStatusChanged", "disconnected");
    });
    client.on("error", err => {
      commit("connectionError", err);
    });
    bindClientEvents(commit, client);
    client.connect(options.serverID);
  },

  sendChatMessage({ commit, dispatch, getters }, message: ChatMessage) {
    if (getters.connectionType == "none") {
      throw new Error("not connected");
    }
    dispatch("sendMessage", message);
    commit("receivedChatMessage", message);
  },

  sendMessage({ getters }, message: NetworkMessage) {
    if (getters.connectionType == "none") {
      throw new Error("not connected");
    }
    (getters.client as Client).send(message);
  }
};

export default actions;