import type { UnifiController } from './classes.unifi-controller.js';
import type { INetworkClient } from './interfaces/index.js';

/**
 * Represents a connected network client
 */
export class UnifiClient implements INetworkClient {
  /** Reference to parent controller */
  private controller?: UnifiController;
  /** Site ID for API calls */
  private siteId?: string;

  // INetworkClient properties
  public _id: string;
  public mac: string;
  public site_id: string;
  public is_guest?: boolean;
  public is_wired: boolean;
  public first_seen?: number;
  public last_seen?: number;
  public hostname?: string;
  public name?: string;
  public ip?: string;
  public network_id?: string;
  public uplink_mac?: string;
  public ap_name?: string;
  public essid?: string;
  public bssid?: string;
  public channel?: number;
  public radio_proto?: string;
  public signal?: number;
  public tx_rate?: number;
  public rx_rate?: number;
  public tx_bytes?: number;
  public rx_bytes?: number;
  public tx_packets?: number;
  public rx_packets?: number;
  public sw_port?: number;
  public usergroup_id?: string;
  public oui?: string;
  public noted?: boolean;
  public user_id?: string;
  public fingerprint_source?: number;
  public dev_cat?: number;
  public dev_family?: number;
  public dev_vendor?: number;
  public dev_id?: number;
  public os_name?: number;
  public satisfaction?: number;
  public anomalies?: number;

  constructor() {
    this._id = '';
    this.mac = '';
    this.site_id = '';
    this.is_wired = false;
  }

  /**
   * Create a client instance from API response object
   */
  public static createFromApiObject(
    apiObject: INetworkClient,
    controller?: UnifiController,
    siteId?: string
  ): UnifiClient {
    const client = new UnifiClient();
    Object.assign(client, apiObject);
    client.controller = controller;
    client.siteId = siteId || apiObject.site_id;
    return client;
  }

  /**
   * Get the raw API object representation
   */
  public toApiObject(): INetworkClient {
    return {
      _id: this._id,
      mac: this.mac,
      site_id: this.site_id,
      is_guest: this.is_guest,
      is_wired: this.is_wired,
      first_seen: this.first_seen,
      last_seen: this.last_seen,
      hostname: this.hostname,
      name: this.name,
      ip: this.ip,
      network_id: this.network_id,
      uplink_mac: this.uplink_mac,
      ap_name: this.ap_name,
      essid: this.essid,
      bssid: this.bssid,
      channel: this.channel,
      radio_proto: this.radio_proto,
      signal: this.signal,
      tx_rate: this.tx_rate,
      rx_rate: this.rx_rate,
      tx_bytes: this.tx_bytes,
      rx_bytes: this.rx_bytes,
      tx_packets: this.tx_packets,
      rx_packets: this.rx_packets,
      sw_port: this.sw_port,
      usergroup_id: this.usergroup_id,
      oui: this.oui,
      noted: this.noted,
      user_id: this.user_id,
      fingerprint_source: this.fingerprint_source,
      dev_cat: this.dev_cat,
      dev_family: this.dev_family,
      dev_vendor: this.dev_vendor,
      dev_id: this.dev_id,
      os_name: this.os_name,
      satisfaction: this.satisfaction,
      anomalies: this.anomalies,
    };
  }

  /**
   * Get display name (name, hostname, or MAC)
   */
  public getDisplayName(): string {
    return this.name || this.hostname || this.mac;
  }

  /**
   * Check if client is wireless
   */
  public isWireless(): boolean {
    return !this.is_wired;
  }

  /**
   * Check if client is a guest
   */
  public isGuest(): boolean {
    return this.is_guest === true;
  }

  /**
   * Get connection type string
   */
  public getConnectionType(): string {
    if (this.is_wired) {
      return `Wired (Port ${this.sw_port || 'unknown'})`;
    }
    return `Wireless (${this.essid || 'unknown'})`;
  }

  /**
   * Get signal strength description
   */
  public getSignalQuality(): string {
    if (this.is_wired) return 'N/A';
    if (!this.signal) return 'Unknown';

    // Signal is typically in dBm, with higher (less negative) being better
    const signal = this.signal;
    if (signal >= -50) return 'Excellent';
    if (signal >= -60) return 'Good';
    if (signal >= -70) return 'Fair';
    if (signal >= -80) return 'Poor';
    return 'Very Poor';
  }

  /**
   * Block this client from the network
   */
  public async block(): Promise<void> {
    if (!this.controller || !this.siteId) {
      throw new Error('Cannot block client: no controller reference');
    }

    await this.controller.request(
      'POST',
      `/api/s/${this.siteId}/cmd/stamgr`,
      {
        cmd: 'block-sta',
        mac: this.mac,
      }
    );
  }

  /**
   * Unblock this client
   */
  public async unblock(): Promise<void> {
    if (!this.controller || !this.siteId) {
      throw new Error('Cannot unblock client: no controller reference');
    }

    await this.controller.request(
      'POST',
      `/api/s/${this.siteId}/cmd/stamgr`,
      {
        cmd: 'unblock-sta',
        mac: this.mac,
      }
    );
  }

  /**
   * Reconnect (kick) this client
   */
  public async reconnect(): Promise<void> {
    if (!this.controller || !this.siteId) {
      throw new Error('Cannot reconnect client: no controller reference');
    }

    await this.controller.request(
      'POST',
      `/api/s/${this.siteId}/cmd/stamgr`,
      {
        cmd: 'kick-sta',
        mac: this.mac,
      }
    );
  }

  /**
   * Rename this client
   */
  public async rename(newName: string): Promise<void> {
    if (!this.controller || !this.siteId) {
      throw new Error('Cannot rename client: no controller reference');
    }

    // Check if user exists (has fixed IP/config)
    if (this.user_id) {
      await this.controller.request(
        'PUT',
        `/api/s/${this.siteId}/rest/user/${this.user_id}`,
        {
          name: newName,
        }
      );
    } else {
      // Create user entry for this client
      await this.controller.request(
        'POST',
        `/api/s/${this.siteId}/rest/user`,
        {
          mac: this.mac,
          name: newName,
        }
      );
    }

    this.name = newName;
  }

  /**
   * Get data usage (combined TX and RX bytes)
   */
  public getDataUsage(): number {
    return (this.tx_bytes || 0) + (this.rx_bytes || 0);
  }

  /**
   * Format data usage as human-readable string
   */
  public getDataUsageFormatted(): string {
    const bytes = this.getDataUsage();

    if (bytes >= 1024 * 1024 * 1024) {
      return `${(bytes / (1024 * 1024 * 1024)).toFixed(2)} GB`;
    }
    if (bytes >= 1024 * 1024) {
      return `${(bytes / (1024 * 1024)).toFixed(2)} MB`;
    }
    if (bytes >= 1024) {
      return `${(bytes / 1024).toFixed(2)} KB`;
    }
    return `${bytes} B`;
  }
}