import { QRCodeStudio } from 'qrcode-studio';

const permissions = await QRCodeStudio.checkPermissions();
console.log(permissions.camera); // 'granted' | 'denied' | 'prompt'

const permissions = await QRCodeStudio.requestPermissions();

const qrCode = await QRCodeStudio.generate({
  type: 'website',
  data: { url: 'https://example.com' },
  design: {
    colors: {
      dark: '#000000',
      light: '#FFFFFF'
    }
  },
  size: 300
});

console.log(qrCode.dataUrl); // Base64 image
console.log(qrCode.svg);     // SVG string

// Add listener for scan results
const listener = await QRCodeStudio.addListener('scanResult', (result) => {
  console.log('Scanned:', result.content);
  console.log('Type:', result.type);
  console.log('Data:', result.parsedData);
});

// Start scanning
await QRCodeStudio.startScan({
  camera: 'back',
  showTorchButton: true
});

// Stop scanning
await QRCodeStudio.stopScan();

// Remove listener
listener.remove();

const barcode = await QRCodeStudio.generateBarcode({
  format: 'EAN_13',
  data: '5901234123457',
  width: 300,
  height: 100,
  displayText: true
});

console.log(barcode.dataUrl); // Base64 barcode image

const result = await QRCodeStudio.readBarcodesFromImage({
  path: '/path/to/image.jpg',
  formats: ['EAN_13', 'CODE_128', 'QR_CODE']
});

result.barcodes.forEach(barcode => {
  console.log(`Format: ${barcode.format}, Data: ${barcode.rawValue}`);
});

interface QRDesignOptions {
  colors?: {
    dark?: string;    // Foreground color
    light?: string;   // Background color
  };
  logo?: {
    src: string;      // Logo URL
    size?: number;    // Logo size
    margin?: number;  // Logo margin
    borderRadius?: number;
  };
  frame?: {
    style: 'square' | 'rounded' | 'circle' | 'banner';
    text?: string;
    color?: string;
    textColor?: string;
  };
  dotsStyle?: 'square' | 'rounded' | 'dots' | 'classy' | 'extra-rounded';
  cornersSquareStyle?: 'square' | 'dot' | 'extra-rounded';
  cornersDotStyle?: 'square' | 'dot' | 'extra-rounded';
  backgroundImage?: string;
  imageSize?: number;  // 0-1
  margin?: number;     // Quiet zone
}

const analytics = await QRCodeStudio.getAnalytics({
  qrCodeId: 'qr_123',
  dateRange: {
    start: new Date('2024-01-01'),
    end: new Date()
  },
  metrics: ['scans', 'unique_scans', 'locations', 'devices']
});

console.log('Total scans:', analytics.totalScans);
console.log('Unique scans:', analytics.uniqueScans);
console.log('Top locations:', analytics.locations);
console.log('Device types:', analytics.devices);

await QRCodeStudio.generate({
  type: 'website',
  data: { url: 'https://example.com' },
  
  // Basic options
  size: 300,                    // Image size in pixels
  errorCorrectionLevel: 'M',    // L (7%), M (15%), Q (25%), H (30%)
  
  // Advanced options
  version: undefined,           // QR version (1-40, auto if undefined)
  maskPattern: undefined,       // Mask pattern (0-7, auto if undefined)
  margin: 4,                    // Quiet zone size
  scale: 4,                     // Scale factor (pixels per module)
  width: undefined,             // Force specific width (overrides scale)
  toSJISFunc: undefined,        // Kanji encoding function
  
  // Design options
  design: {
    colors: { dark: '#000000', light: '#FFFFFF' },
    logo: { src: 'logo.png', size: 60 },
    // ... other design options
  }
});

await QRCodeStudio.startScan({
  // Camera options
  camera: 'back',               // 'front' or 'back'
  showTorchButton: true,        // Show flashlight toggle
  showFlipCameraButton: true,   // Show camera switch button
  
  // Performance options
  scanDelay: 200,               // Milliseconds between scans
  maxScansPerSecond: 5,         // Alternative to scanDelay
  
  // Web-specific options
  videoStyle: {                 // Custom video element styling
    position: 'fixed',
    width: '100%',
    height: '100%',
    objectFit: 'cover'
  },
  highlightCodeOutline: true,   // Highlight detected QR codes
  highlightScanRegion: true,    // Highlight scan area
  calculateScanRegion: (video) => ({  // Custom scan region
    x: video.videoWidth * 0.25,
    y: video.videoHeight * 0.25,
    width: video.videoWidth * 0.5,
    height: video.videoHeight * 0.5
  }),
  
  // Format filtering
  formats: [BarcodeFormat.QR_CODE]  // Scan only specific formats
});

import { QRCodeStudio, validateBarcodeData } from 'qrcode-studio';

// Generate product barcode
async function createProductLabel(productId: string, sku: string) {
  // Generate EAN-13 barcode for product
  const barcode = await QRCodeStudio.generateBarcode({
    format: 'EAN_13',
    data: '5901234123457', // Your product EAN
    width: 300,
    height: 100,
    displayText: true,
    outputFormat: 'png'
  });

  // Also generate a QR code with detailed product info
  const qrCode = await QRCodeStudio.generate({
    type: 'text',
    data: { text: JSON.stringify({ id: productId, sku, warehouse: 'A1' }) },
    size: 200
  });

  return { barcode, qrCode };
}

// Scan and validate product
async function scanProduct() {
  const listener = await QRCodeStudio.addListener('scanResult', (result) => {
    if (result.format === 'EAN_13') {
      if (validateBarcodeData('EAN_13', result.content)) {
        console.log('Valid product barcode:', result.content);
        // Look up product in database
      }
    }
  });

  await QRCodeStudio.startScan({
    formats: ['EAN_13', 'UPC_A', 'QR_CODE']
  });
}