import { Server, Socket } from "socket.io";
import { handleEvent } from "../handleEvent";
import { MissionMap } from "../../storage/missionMap";
import * as Y from "yjs";

export default (io: Server, socket: Socket) => {
  socket.on(
    "mission:join",
    handleEvent(
      { type: "read", section: "operation", module: "mission" },
      async (data: any) => {
        socket.rooms.forEach((room) => {
          if (room !== socket.id && room != "home") {
            socket.leave(room);
          }
        });

        try {
          const doc = new Y.Doc();
          doc.getMap("form");
          doc.getText("editor");

          // const ymap = ydoc.getMap('myMap');
          // ymap.set('titel', 'Mein Dokument');
          // ymap.set('inhalt', 'Hier ist der initiale Inhalt');
          // ymap.set('erstelltAm', new Date().toISOString());

          // const yarray = ydoc.getArray('meineArray');
          // yarray.push(['Element 1', 'Element 2', 'Element 3']);

          // const ytext = ydoc.getText('meinText');
          // ytext.insert(0, 'Hier ist ein initialer Text');

          // get mission data
          MissionMap.write(data, {
            missionId: data,
            doc,
          });

          const mission = MissionMap.read(data);

          socket.join(data);
          socket.emit("status-mission:join", { status: "success" });
          return {
            type: "package-mission",
            answer: Y.encodeStateAsUpdate(mission.doc),
          };
        } catch (error) {
          return { type: "status-join:join", answer: { status: "failed", msg: error.message } };
        }
      },
      socket
    )
  );

  socket.on(
    "mission:sync",
    handleEvent(
      { type: "read", section: "operation", module: "mission" },
      async (data: any) => {
        const socketRooms = Array.from(socket.rooms).filter((room) => room !== socket.id && room !== "home");
        try {
          const mission = MissionMap.read(socketRooms[0]);
          Y.applyUpdate(mission.doc, new Uint8Array(data));

          socket.emit("status-mission:sync", { status: "success" });
          return {
            type: "package-sync",
            answer: data,
            room: socketRooms[0],
          };
        } catch (error) {
          return { type: "status-mission:sync", answer: { status: "failed", msg: error.message } };
        }
      },
      socket
    )
  );

  socket.on(
    "mission:leave",
    handleEvent(
      { type: "read", section: "operation", module: "mission" },
      async (data: any) => {
        const socketRooms = Array.from(socket.rooms).filter((room) => room !== socket.id && room !== "home");
        socket.leave(socketRooms[0]);

        const clients = io.sockets.adapter.rooms.get(socketRooms[0]);
        if (!clients || clients.size == 0) {
          MissionMap.delete(socketRooms[0]);
        }

        return {
          type: "deleted",
          answer: "leave instance",
        };
      },
      socket
    )
  );
};