// Transmission client module for Transmission RSS Manager
// This is a basic implementation that will be extended during installation
const Transmission = require('transmission');

class TransmissionClient {
  constructor(config) {
    this.config = config;
    this.client = new Transmission({
      host: config.host || 'localhost',
      port: config.port || 9091,
      username: config.username || '',
      password: config.password || '',
      url: config.path || '/transmission/rpc'
    });
  }

  // Get all torrents
  getTorrents() {
    return new Promise((resolve, reject) => {
      this.client.get((err, result) => {
        if (err) {
          reject(err);
        } else {
          resolve(result.torrents || []);
        }
      });
    });
  }

  // Add a torrent
  addTorrent(url) {
    return new Promise((resolve, reject) => {
      this.client.addUrl(url, (err, result) => {
        if (err) {
          reject(err);
        } else {
          resolve(result);
        }
      });
    });
  }

  // Remove a torrent
  removeTorrent(id, deleteLocalData = false) {
    return new Promise((resolve, reject) => {
      this.client.remove(id, deleteLocalData, (err, result) => {
        if (err) {
          reject(err);
        } else {
          resolve(result);
        }
      });
    });
  }

  // Start a torrent
  startTorrent(id) {
    return new Promise((resolve, reject) => {
      this.client.start(id, (err, result) => {
        if (err) {
          reject(err);
        } else {
          resolve(result);
        }
      });
    });
  }

  // Stop a torrent
  stopTorrent(id) {
    return new Promise((resolve, reject) => {
      this.client.stop(id, (err, result) => {
        if (err) {
          reject(err);
        } else {
          resolve(result);
        }
      });
    });
  }

  // Get torrent details
  getTorrentDetails(id) {
    return new Promise((resolve, reject) => {
      this.client.get(id, (err, result) => {
        if (err) {
          reject(err);
        } else {
          resolve(result.torrents && result.torrents.length > 0 ? result.torrents[0] : null);
        }
      });
    });
  }

  // Test connection to Transmission
  testConnection() {
    return new Promise((resolve, reject) => {
      this.client.sessionStats((err, result) => {
        if (err) {
          reject(err);
        } else {
          resolve({
            connected: true,
            version: result.version,
            rpcVersion: result.rpcVersion
          });
        }
      });
    });
  }
}

module.exports = TransmissionClient;