import Logging from "@proxnet/undead-logging";
import { ServerContentBase } from "../ContentBase.ts";
import { DeviceClass } from "../platforms/types.ts";
import Profile from "../profiles/profile.ts";
import { type ServerBase } from "../server.ts";
import { RoomInstance } from "../instances/types.ts";
import Command from "../commands/command.ts";
import z from "zod";
import { PushNotificationId } from "../socket/signalr/types.ts";

const log = new Logging("Presence");

export enum VRMovementMode {
    TELEPORT,
    WALK
}

export enum PlayerStatusVisibility {
	Public,
	FriendsOnly,
	FavoriteFriendsOnly,
	Offline
}

export interface PresenceExport {
    playerId: number,
    statusVisibility: PlayerStatusVisibility,
    deviceClass: DeviceClass,
    vrMovementMode?: VRMovementMode,
    roomInstance: RoomInstance | null
}

export class Presence {

    #server: ServerBase;

    #profile: Profile;

    #statusVisibility: PlayerStatusVisibility = PlayerStatusVisibility.Offline;
    #deviceClass: DeviceClass = DeviceClass.Unknown;
    #vrMovementMove: VRMovementMode | undefined;

    #lastExported: Date = new Date();

    constructor(profile: Profile, server: ServerBase) {
        this.#profile = profile;
        this.#server = server;
    }

    /** Refer to `Profile.Matchmaking.updateLastSeen` */
    updateLastSeen() {
        this.#profile.Matchmaking.updateLastSeen();
    }

    async update() {
        this.#deviceClass = (await this.#profile.Matchmaking.getLastDeviceClass()) || DeviceClass.Unknown;
        const isOnline = (Date.now() - (await this.#profile.Matchmaking.getLastSeen()).getTime()) < 90_000;
        this.#statusVisibility = 
            isOnline ?
            this.#statusVisibility :
            PlayerStatusVisibility.Offline;

        this.#server.emit('presence.update', { profile: this.#profile, presence: this });
    }

    setStatusVisibility(sv: PlayerStatusVisibility) {
        this.#statusVisibility = sv;
        this.updateLastSeen();
        this.update();

        this.#server.emit('presence.update', { profile: this.#profile, presence: this });
    }
    
    setVRMovementMode(mm: VRMovementMode) {
        this.#vrMovementMove = mm;
        this.updateLastSeen();
        this.update();

        this.#server.emit('presence.update', { profile: this.#profile, presence: this });
    }

    getLastExported() {
        return this.#lastExported;
    }
    
    logout() {
        this.updateLastSeen();
        this.#statusVisibility = PlayerStatusVisibility.Offline;
    }

    export() {
        log.d(`profId ${this.#profile.getId()} presence exported. has instance: ${this.#profile.getInstance() !== null}`);

        this.#lastExported = new Date();
        const e: PresenceExport = {
            playerId: this.#profile.getId(),
            statusVisibility: this.#statusVisibility,
            deviceClass: this.#deviceClass,
            vrMovementMode: this.#vrMovementMove,
            roomInstance: this.#profile.getInstance()?.export() ?? null
        }
        return e;
    }

}

export class ServerPresenceBase extends ServerContentBase {

    #log = new Logging("Presence");

    #presenceMap: Map<Profile, Presence> = new Map();

    #intervalId?: number;

    #deleteDeadPresences() {
        for (const pres of this.#presenceMap.values()) {
            if (Date.now() - pres.getLastExported().getTime() > 300_000) pres
        }
    }

    getPresence(profile: Profile) {
        let pres = this.#presenceMap.get(profile);
        if (!pres) {
            pres = new Presence(profile, this.server);
            this.#presenceMap.set(profile, pres);
        }
        return pres;
    }

    override start() {
        this.#intervalId = setInterval(() => {
            if (this.#presenceMap.size === 0) return;

            this.#deleteDeadPresences();
        }, 300_000);

        this.server.Commands.addRootCommand(new Command({
            key: ["presence", "pres"],
            subcommands: [
                new Command({
                    key: ["quit", "quitgame"],
                    exec: async (pid: number) => {
                        const prof = await this.server.Profiles.get(pid);
                        if (!prof) return false;

                        const socket = prof.getSocketHandler();
                        if (!socket) return false;

                        socket.sendNotification(PushNotificationId.ModerationQuitGame);
                        return true;
                    },
                    zod: z.tuple([z.coerce.number()]),
                    help: "Sends ModerationQuitGame to a player's socket if it is connected. Returns true if successful."
                })
            ]
        }));
    }

    override destroy() {
        clearInterval(this.#intervalId ?? undefined);
    }

}