makerstash/server/services/bambuPrinterAPI.js

/**
 * Bambu Labs Printer API Integration
 * Handles communication with Bambu X1/X1 Carbon printers
 */

import axios from 'axios';

const BAMBU_API_BASE = 'https://api.bambulab.com';

export class BambuPrinterAPI {
  constructor(accessToken, serialNumber) {
    this.accessToken = accessToken;
    this.serialNumber = serialNumber;
    this.apiClient = axios.create({
      baseURL: BAMBU_API_BASE,
      headers: {
        'Authorization': `Bearer ${accessToken}`,
        'Content-Type': 'application/json'
      }
    });
  }

  /**
   * Get printer status
   */
  async getPrinterStatus() {
    try {
      const response = await this.apiClient.get(`/v1/iot-service/api/printer/${this.serialNumber}`);
      return {
        success: true,
        data: response.data
      };
    } catch (error) {
      console.error('Error fetching printer status:', error.message);
      return {
        success: false,
        error: error.message
      };
    }
  }

  /**
   * Get printer info
   */
  async getPrinterInfo() {
    try {
      const response = await this.apiClient.get(`/v1/iot-service/api/printer/${this.serialNumber}/info`);
      return {
        success: true,
        data: {
          serialNumber: this.serialNumber,
          modelName: response.data.model_name,
          firmwareVersion: response.data.firmware_version,
          ipAddress: response.data.ip,
          status: response.data.status,
          temperature: response.data.temperature
        }
      };
    } catch (error) {
      console.error('Error fetching printer info:', error.message);
      return {
        success: false,
        error: error.message
      };
    }
  }

  /**
   * Get current print job status
   */
  async getPrintJobStatus() {
    try {
      const response = await this.apiClient.get(`/v1/iot-service/api/printer/${this.serialNumber}/job`);
      return {
        success: true,
        data: {
          jobId: response.data.job_id,
          fileName: response.data.file_name,
          progress: response.data.progress,
          timeRemaining: response.data.time_remaining,
          status: response.data.status,
          layer: response.data.layer,
          totalLayers: response.data.total_layers
        }
      };
    } catch (error) {
      console.error('Error fetching print job status:', error.message);
      return {
        success: false,
        error: error.message,
        data: { status: 'idle' }
      };
    }
  }

  /**
   * Get printer temperature readings
   */
  async getTemperature() {
    try {
      const response = await this.apiClient.get(`/v1/iot-service/api/printer/${this.serialNumber}/temperature`);
      return {
        success: true,
        data: {
          nozzleTemp: response.data.nozzle_temp,
          bedTemp: response.data.bed_temp,
          chamberTemp: response.data.chamber_temp,
          nozzleTargetTemp: response.data.nozzle_target_temp,
          bedTargetTemp: response.data.bed_target_temp
        }
      };
    } catch (error) {
      console.error('Error fetching temperature:', error.message);
      return {
        success: false,
        error: error.message
      };
    }
  }

  /**
   * Get print history
   */
  async getPrintHistory(limit = 10) {
    try {
      const response = await this.apiClient.get(`/v1/iot-service/api/printer/${this.serialNumber}/history?limit=${limit}`);
      return {
        success: true,
        data: response.data.jobs || []
      };
    } catch (error) {
      console.error('Error fetching print history:', error.message);
      return {
        success: false,
        error: error.message,
        data: []
      };
    }
  }

  /**
   * Send print file to printer
   * Note: This typically requires the file to be uploaded to Bambu Cloud first
   */
  async sendPrintFile(fileName, fileUrl, profileName = 'default') {
    try {
      const response = await this.apiClient.post(
        `/v1/iot-service/api/printer/${this.serialNumber}/print`,
        {
          file_name: fileName,
          file_url: fileUrl,
          profile_name: profileName
        }
      );
      return {
        success: true,
        data: response.data
      };
    } catch (error) {
      console.error('Error sending print file:', error.message);
      return {
        success: false,
        error: error.message
      };
    }
  }

  /**
   * Control printer (pause, resume, stop)
   */
  async controlPrint(action) {
    // Valid actions: 'pause', 'resume', 'stop'
    if (!['pause', 'resume', 'stop'].includes(action)) {
      return {
        success: false,
        error: 'Invalid action. Use: pause, resume, or stop'
      };
    }

    try {
      const response = await this.apiClient.post(
        `/v1/iot-service/api/printer/${this.serialNumber}/print/control`,
        { action }
      );
      return {
        success: true,
        data: response.data
      };
    } catch (error) {
      console.error(`Error controlling print (${action}):`, error.message);
      return {
        success: false,
        error: error.message
      };
    }
  }

  /**
   * Start a print
   */
  async startPrint(action = 'resume') {
    return this.controlPrint(action);
  }

  /**
   * Pause current print
   */
  async pausePrint() {
    return this.controlPrint('pause');
  }

  /**
   * Stop/cancel current print
   */
  async stopPrint() {
    return this.controlPrint('stop');
  }

  /**
   * Get list of available print profiles
   */
  async getPrintProfiles() {
    try {
      const response = await this.apiClient.get(`/v1/iot-service/api/printer/${this.serialNumber}/profiles`);
      return {
        success: true,
        data: response.data || []
      };
    } catch (error) {
      console.error('Error fetching print profiles:', error.message);
      return {
        success: false,
        error: error.message,
        data: []
      };
    }
  }

  /**
   * Validate access token
   */
  async validateToken() {
    try {
      const response = await this.apiClient.get(`/v1/iot-service/api/user/printers`);
      return {
        success: true,
        data: response.data
      };
    } catch (error) {
      console.error('Error validating token:', error.message);
      return {
        success: false,
        error: error.message
      };
    }
  }
}

export default BambuPrinterAPI;