import { io, game } from "./index.js";
import { playersBroadcast, sendUpdatedTeamInformations } from "./team_socket.js";

import { config } from "dotenv";
config()

const ADMIN_PASSWORD = process.env.ADMIN_PASSWORD;

/**
 * Send a message to all logged in admin sockets
 * @param {String} event The event name
 * @param {String} data The data to send
 */
export function secureAdminBroadcast(event, data) {
  loggedInSockets.forEach(s => {
    io.of("admin").to(s).emit(event, data);
  });
}

//Array of logged in sockets
let loggedInSockets = [];
export function initAdminSocketHandler() {
    //Admin namespace
    io.of("admin").on("connection", (socket) => {
        //Flag to check if the user is logged in, defined for each socket
        let loggedIn = false;

        socket.on("disconnect", () => {
            console.log("user disconnected");
            //Remove the socket from the logged in sockets array
            loggedInSockets = loggedInSockets.filter(s => s !== socket.id);
        });

        socket.on("logout", () => {
            loggedInSockets = loggedInSockets.filter(s => s !== socket.id);
        })

        //User is attempting to log in
        socket.on("login", (password) => {
            if (password === ADMIN_PASSWORD && !loggedIn) {
                //Attempt successful
                socket.emit("login_response", true);
                loggedInSockets.push(socket.id);
                loggedIn = true;
                //Send the current state
                socket.emit("game_state", game.state)
                //Other settings that need initialization
                socket.emit("zone_settings", game.zone.zoneSettings)

            } else {
                //Attempt unsuccessful
                socket.emit("login_response", false);
            }
        });

        socket.on("set_zone_settings", (settings) => {
            if (!loggedIn) {
                socket.emit("error", "Not logged in");
                return;
            }
            if (!game.setZoneSettings(settings)) {
                socket.emit("error", "Error changing zone");
                socket.emit("zone_settings", game.zone.zoneSettings) //Still broadcast the old config to the client who submited an incorrect config to keep the client up to date
            } else {
                secureAdminBroadcast("zone_settings", game.zone.zoneSettings)
            }

        })

        //User is attempting to add a new team
        socket.on("add_team", (teamName) => {
            if (!loggedIn) {
                socket.emit("error", "Not logged in");
                return;
            }
            if (game.addTeam(teamName)) {
                secureAdminBroadcast("teams", game.teams);
            } else {
                socket.emit("error", "Error adding team");
            }
        });

        //User is attempting to remove a team
        socket.on("remove_team", (teamId) => {
            if (!loggedIn) {
                socket.emit("error", "Not logged in");
                return;
            }
            if (game.removeTeam(teamId)) {
                secureAdminBroadcast("teams", game.teams);
            } else {
                socket.emit("error", "Error removing team");
            }
        });

        //User is attempting to change the game state
        socket.on("change_state", (state) => {
            if (!loggedIn) {
                socket.emit("error", "Not logged in");
                return;
            }
            if (game.setState(state)) {
                secureAdminBroadcast("game_state", game.state);
                playersBroadcast("game_state", game.state)
            } else {
                socket.emit("error", "Error setting state");
            }
        });

        //Use is sending a new list containing the new order of the teams
        //Note that we never check if the new order contains the same teams as the old order, so it behaves more like a setTeams function
        //But the frontend should always send the same teams in a different order
        socket.on("reorder_teams", (newOrder) => {
            if (!loggedIn) {
                socket.emit("error", "Not logged in");
                return;
            }
            if (game.reorderTeams(newOrder)) {
                secureAdminBroadcast("teams", game.teams);
            } else {
                socket.emit("error", "Error reordering teams");
            }
        });

        socket.on("update_team", (teamId, newTeam) => {
            if (!loggedIn) {
                socket.emit("error", "Not logged in");
                return;
            }
            if (game.updateTeam(teamId, newTeam)) {
                secureAdminBroadcast("teams", game.teams);
                sendUpdatedTeamInformations(teamId)
            }
        })

        //Request an update of the team list
        //We only reply to the sender to prevent spam
        socket.on("get_teams", () => {
            if (!loggedIn) {
                socket.emit("error", "Not logged in");
                return;
            }
            socket.emit("teams", game.teams);
        });

    });


}