async function uploadVideoWithRetry(file, maxRetries = 3) {
for (let attempt = 1; attempt <= maxRetries; attempt++) {
  try {
    // Initialize upload
    const initResponse = await fetch('https://api.rixl.com/videos/upload/init', {
      method: 'POST',
      headers: {
        'X-API-Key': 'YOUR_PROJECT_API_KEY',
        'Content-Type': 'application/json'
      },
      body: JSON.stringify({
        file_name: file.name,
        video_quality: 'basic',
        image_format: 'jpg'
      })
    });



    if (!initResponse.ok) {
      throw new Error(`Initialization failed: ${initResponse.status}`);
    }



    const uploadData = await initResponse.json();



    // Upload with progress tracking
    const uploadResponse = await uploadWithProgress(
      uploadData.video_presigned_url,
      file,
      (progress) => console.log(`Upload progress: ${progress}%`)
    );



    // Complete upload
    const completeResponse = await fetch(
      `https://api.rixl.com/videos/${uploadData.video_id}/upload/complete/`,
      {
        method: 'POST',
        headers: {'X-API-Key': 'YOUR_PROJECT_API_KEY'}
      }
    );



    if (!completeResponse.ok) {
      throw new Error(`Completion failed: ${completeResponse.status}`);
    }



    return uploadData.video_id;



  } catch (error) {
    console.log(`Attempt ${attempt} failed:`, error.message);


    if (attempt === maxRetries) {
      throw new Error(`Upload failed after ${maxRetries} attempts: ${error.message}`);
    }


    // Exponential backoff
    await new Promise(resolve => setTimeout(resolve, Math.pow(2, attempt) * 1000));
  }
}
}

async function uploadWithProgress(url, file, onProgress) {
return new Promise((resolve, reject) => {
  const xhr = new XMLHttpRequest();


  xhr.upload.addEventListener('progress', (event) => {
    if (event.lengthComputable) {
      const progress = Math.round((event.loaded / event.total) * 100);
      onProgress(progress);
    }
  });


  xhr.addEventListener('load', () => {
    if (xhr.status === 200) {
      resolve(xhr.response);
    } else {
      reject(new Error(`Upload failed with status: ${xhr.status}`));
    }
  });


  xhr.addEventListener('error', () => {
    reject(new Error('Upload failed due to network error'));
  });


  xhr.open('PUT', url);
  xhr.setRequestHeader('Content-Type', file.type);
  xhr.send(file);
});
}

import requests
from requests_toolbelt.multipart.encoder import MultipartEncoder, MultipartEncoderMonitor

def upload_large_video(file_path, progress_callback=None):
"""Upload large video files with progress tracking and resume capability."""

# Initialize upload
init_response = requests.post(
'https://api.rixl.com/videos/upload/init',
headers={
'X-API-Key': 'YOUR_PROJECT_API_KEY',
  'Content-Type': 'application/json'
},
json={
'file_name': os.path.basename(file_path),
  'video_quality': 'pro',
  'image_format': 'jpg',
  'multipart': True  # Enable multipart upload
}
)

if init_response.status_code != 200:
raise Exception('Upload initialization failed')

upload_data = init_response.json()

# Upload with progress monitoring
def progress_monitor(monitor):
if progress_callback:
progress = int((monitor.bytes_read / monitor.len) * 100)
progress_callback(progress)

with open(file_path, 'rb') as f:
encoder = MultipartEncoder(
fields={'file': (os.path.basename(file_path), f, 'video/mp4')}
)
monitor = MultipartEncoderMonitor(encoder, progress_monitor)

upload_response = requests.put(
upload_data['video_presigned_url'],
data=monitor,
headers={'Content-Type': monitor.content_type}
)

if upload_response.status_code != 200:
raise Exception('Video upload failed')

# Complete upload
complete_response = requests.post(
f"https://api.rixl.com/videos/{upload_data['video_id']}/upload/complete/",
headers={'X-API-Key': 'YOUR_PROJECT_API_KEY'}
)

if complete_response.status_code != 200:
raise Exception('Upload completion failed')

return upload_data['video_id']

# Usage with progress tracking
def print_progress(percentage):
print(f"Upload progress: {percentage}%")

video_id = upload_large_video('large-video.mp4', print_progress)
print(f"Upload complete! Video ID: {video_id}")

function selectOptimalTier(videoMetadata) {
const {width, height, duration, fileSize} = videoMetadata;
const resolution = width * height;
const isVertical = height > width;

// 4K or higher resolution
if (resolution >= 3840 * 2160) {
  return 'pro';
}

// Vertical content or high frame rate
if (isVertical || videoMetadata.frameRate >= 50) {
  return 'shorts';
}

// Large files likely high quality
if (fileSize > 500 * 1024 * 1024) { // 500MB
  return 'pro';
}

// Default to basic for standard content
return 'basic';
}

// Usage
const optimalTier = selectOptimalTier({
width: 1920,
  height: 1080,
  duration: 300, // 5 minutes
  fileSize: 200 * 1024 * 1024, // 200MB
  frameRate: 30
});

from datetime import datetime, timezone
import pytz

def get_optimal_upload_time():
"""Determine optimal upload time based on timezone and server load."""

# Convert to UTC for server processing
utc_now = datetime.now(timezone.utc)
hour_utc = utc_now.hour

# Off-peak hours (UTC): 2 AM - 8 AM
if 2 <= hour_utc <= 8:
return True, "Optimal time - off-peak hours"

# Peak hours (UTC): 12 PM - 6 PM
elif 12 <= hour_utc <= 18:
return False, "Peak hours - consider uploading later"

# Moderate load
else:
return True, "Moderate load - acceptable upload time"

# Usage
is_optimal, message = get_optimal_upload_time()
if is_optimal:
print(f"Good time to upload: {message}")
else:
print(f"Consider waiting: {message}")

class SecureVideoUploader {
constructor(apiKey, projectId) {
  this.apiKey = apiKey;
  this.projectId = projectId;
  this.baseUrl = 'https://api.rixl.com';
}

async validateFile(file) {
  // File size validation (2GB limit)
  if (file.size > 2 * 1024 * 1024 * 1024) {
    throw new Error('File size exceeds 2GB limit');
  }


  // MIME type validation
  const allowedTypes = ['video/mp4', 'video/quicktime', 'video/webm'];
  if (!allowedTypes.includes(file.type)) {
    throw new Error('Unsupported file type');
  }


  return true;
}

async uploadVideo(file, options = {}) {
  // Validate file before upload
  await this.validateFile(file);


  const requestBody = {
    file_name: file.name,
    video_quality: options.quality || 'basic',
    image_format: options.imageFormat || 'jpg',
    project_id: this.projectId
  };


  // Initialize with authentication
  const initResponse = await fetch(`${this.baseUrl}/videos/upload/init`, {
    method: 'POST',
    headers: {
      'X-API-Key': this.apiKey,
      'Content-Type': 'application/json',
      'User-Agent': 'RIXL-SDK/1.0'
    },
    body: JSON.stringify(requestBody)
  });


  if (!initResponse.ok) {
    const error = await initResponse.json();
    throw new Error(`Upload initialization failed: ${error.message}`);
  }


  const uploadData = await initResponse.json();


  // Verify presigned URL is secure (HTTPS)
  if (!uploadData.video_presigned_url.startsWith('https://')) {
    throw new Error('Insecure upload URL provided');
  }


  // Upload with timeout
  const uploadResponse = await Promise.race([
    fetch(uploadData.video_presigned_url, {
      method: 'PUT',
      body: file,
      headers: {'Content-Type': file.type}
    }),
    new Promise((_, reject) =>
      setTimeout(() => reject(new Error('Upload timeout')), 300000) // 5 minutes
    )
  ]);


  if (!uploadResponse.ok) {
    throw new Error(`Upload failed: ${uploadResponse.status}`);
  }


  // Complete upload
  const completeResponse = await fetch(
    `${this.baseUrl}/videos/${uploadData.video_id}/upload/complete/`,
    {
      method: 'POST',
      headers: {'X-API-Key': this.apiKey}
    }
  );


  if (!completeResponse.ok) {
    throw new Error('Upload completion failed');
  }


  return uploadData.video_id;
}
}

// Usage
const uploader = new SecureVideoUploader('YOUR_API_KEY', 'YOUR_PROJECT_ID');

try {
const videoId = await uploader.uploadVideo(videoFile, {
  quality: 'pro',
  imageFormat: 'jpg'
});
console.log('Upload successful:', videoId);
} catch (error) {
console.error('Upload failed:', error.message);
}

async function batchUploadVideos(files, options = {}) {
const {concurrency = 3, quality = 'basic'} = options;
const results = [];

// Process files in batches to avoid overwhelming the server
for (let i = 0; i < files.length; i += concurrency) {
  const batch = files.slice(i, i + concurrency);


  const batchPromises = batch.map(async (file, index) => {
    try {
      console.log(`Starting upload ${i + index + 1}/${files.length}: ${file.name}`);


      const videoId = await uploadVideoWithRetry(file);


      return {
        success: true,
        fileName: file.name,
        videoId: videoId
      };
    } catch (error) {
      return {
        success: false,
        fileName: file.name,
        error: error.message
      };
    }
  });


  const batchResults = await Promise.all(batchPromises);
  results.push(...batchResults);


  // Brief pause between batches
  if (i + concurrency < files.length) {
    await new Promise(resolve => setTimeout(resolve, 1000));
  }
}

return results;
}

// Usage
const files = [video1, video2, video3, video4];
const results = await batchUploadVideos(files, {
concurrency: 2,
  quality: 'pro'
});

results.forEach(result => {
if (result.success) {
  console.log(`${result.fileName} → ${result.videoId}`);
} else {
  console.log(`${result.fileName} → ${result.error}`);
}
});

class UploadTroubleshooter {
static diagnoseError(error, context) {
  const {statusCode, message, file} = context;


  // File size issues
  if (file?.size > 2 * 1024 * 1024 * 1024) {
    return {
      issue: 'File size limit exceeded',
      solution: 'Compress video or split into smaller segments',
      code: 'FILE_TOO_LARGE'
    };
  }


  // Network issues
  if (statusCode >= 500 || message.includes('network')) {
    return {
      issue: 'Server or network error',
      solution: 'Retry upload with exponential backoff',
      code: 'NETWORK_ERROR'
    };
  }


  // Authentication issues
  if (statusCode === 401 || statusCode === 403) {
    return {
      issue: 'Authentication failed',
      solution: 'Verify API key and project permissions',
      code: 'AUTH_ERROR'
    };
  }


  // Presigned URL expiration
  if (statusCode === 403 && message.includes('expired')) {
    return {
      issue: 'Upload URL expired',
      solution: 'Reinitialize upload to get new presigned URL',
      code: 'URL_EXPIRED'
    };
  }


  return {
    issue: 'Unknown error',
    solution: 'Check error logs and contact support if persistent',
    code: 'UNKNOWN_ERROR'
  };
}
}

// Usage in error handling
try {
await uploadVideo(file);
} catch (error) {
const diagnosis = UploadTroubleshooter.diagnoseError(error, {
  statusCode: error.status,
  message: error.message,
  file: file
});

console.log(`Issue: ${diagnosis.issue}`);
console.log(`Solution: ${diagnosis.solution}`);
console.log(`Code: ${diagnosis.code}`);
}