/**
 * Represents a chat room.
 */
class Room {
    /**
     * Create a new room instance.
     * @param {string} id - The unique identifier of the room.
     * @param {Object} [config={}] - The configuration options for the room.
     */
    constructor(id, config = {}) {
        this.id = id;
        this.members = new Map();
        this.config = {
            notifyMuteUnmute: config.notifyMuteUnmute || false,
            notifyKick: config.notifyKick || false,
            inactivityTimeout: config.inactivityTimeout || 60_000,
        };
    }

    /**
     * Add a member to the room.
     * @param {string} memberId - The unique identifier of the member.
     * @param {Object} memberData - Additional data associated with the member.
     */
    add(memberId, memberData) {
        this.members.set(memberId, {
            ...memberData,
            lastActivity: Date.now(),
        });
    }

    /**
     * Remove a member from the room.
     * @param {string} memberId - The unique identifier of the member.
     */
    remove(memberId) {
        this.members.delete(memberId);
    }

    /**
     * Get the data of a member in the room.
     * @param {string} memberId - The unique identifier of the member.
     * @returns {Object|undefined} The member data or undefined if the member is not found.
     */
    get(memberId) {
        return this.members.get(memberId);
    }

    /**
     * Check if a member is muted in the room.
     * @param {string} memberId - The unique identifier of the member.
     * @returns {boolean} True if the member is muted, false otherwise.
     */
    isMuted(memberId) {
        const memberData = this.get(memberId);
        return memberData ? memberData.muted : false;
    }

    /**
     * Check if a member is kicked from the room.
     * @param {string} memberId - The unique identifier of the member.
     * @returns {boolean} True if the member is kicked, false otherwise.
     */
    isKicked(memberId) {
        const memberData = this.get(memberId);
        return memberData ? memberData.kicked : false;
    }

    /**
     * Mute a member in the room.
     * @param {string} memberId - The unique identifier of the member.
     */
    mute(memberId) {
        const memberData = this.get(memberId);
        if (memberData) {
            memberData.muted = true;
        }
    }

    /**
     * Unmute a member in the room.
     * @param {string} memberId - The unique identifier of the member.
     */
    unmute(memberId) {
        const memberData = this.get(memberId);
        if (memberData) {
            memberData.muted = false;
        }
    }

    /**
     * Kick a member from the room.
     * @param {string} memberId - The unique identifier of the member.
     */
    kick(memberId) {
        const memberData = this.get(memberId);
        if (memberData) {
            memberData.kicked = Date.now();
        }
    }

    /**
     * Update the last activity timestamp of a member in the room.
     * @param {string} memberId - The unique identifier of the member.
     */
    update(memberId) {
        const memberData = this.get(memberId);
        if (memberData) {
            memberData.lastActivity = Date.now();
        }
    }

    /**
     * Purge inactive members from the room based on the inactivity timeout.
     */
    purge() {
        const now = Date.now();
        for (const [memberId, memberData] of this.members.entries()) {
            if (now - memberData.lastActivity > this.config.inactivityTimeout) {
                this.kick(memberId);
            }
        }
    }
}