import type { UnifiAccount } from './classes.unifi-account.js';
import { UnifiHost } from './classes.host.js';
import type { IUnifiHost, ISiteManagerListResponse } from './interfaces/index.js';
import { logger } from './unifi.logger.js';

/**
 * Manager for UniFi hosts via Site Manager API
 */
export class HostManager {
  private unifiAccount: UnifiAccount;

  constructor(unifiAccount: UnifiAccount) {
    this.unifiAccount = unifiAccount;
  }

  /**
   * List all hosts
   */
  public async listHosts(): Promise<UnifiHost[]> {
    logger.log('debug', 'Fetching all hosts from Site Manager');

    const response = await this.unifiAccount.request<ISiteManagerListResponse<IUnifiHost>>(
      'GET',
      '/ea/hosts'
    );

    const hosts: UnifiHost[] = [];
    for (const hostData of response.data || []) {
      hosts.push(UnifiHost.createFromApiObject(hostData, this.unifiAccount));
    }

    logger.log('info', `Found ${hosts.length} hosts`);
    return hosts;
  }

  /**
   * Get a host by ID
   */
  public async getHostById(hostId: string): Promise<UnifiHost | null> {
    logger.log('debug', `Fetching host: ${hostId}`);

    try {
      const response = await this.unifiAccount.request<IUnifiHost>(
        'GET',
        `/ea/hosts/${hostId}`
      );

      return UnifiHost.createFromApiObject(response, this.unifiAccount);
    } catch (error) {
      logger.log('warn', `Host not found: ${hostId}`);
      return null;
    }
  }

  /**
   * Find a host by name
   */
  public async findHostByName(name: string): Promise<UnifiHost | null> {
    const hosts = await this.listHosts();
    return hosts.find((host) => host.name === name) || null;
  }

  /**
   * Get hosts by site ID
   */
  public async getHostsBySiteId(siteId: string): Promise<UnifiHost[]> {
    const hosts = await this.listHosts();
    return hosts.filter((host) => host.siteId === siteId);
  }

  /**
   * Get online hosts only
   */
  public async getOnlineHosts(): Promise<UnifiHost[]> {
    const hosts = await this.listHosts();
    return hosts.filter((host) => host.checkOnline());
  }
}