const fs = require('fs')
const { PDFDocument, StandardFonts, rgb } = require('pdf-lib')

async function createTestPDF() {
  try {
    // Create a new PDF document using pdf-lib (same library we use for processing)
    const pdfDoc = await PDFDocument.create()
    
    // Add a page
    const page = pdfDoc.addPage()
    const { width, height } = page.getSize()
    
    // Embed a standard font
    const font = await pdfDoc.embedFont(StandardFonts.Helvetica)
    
    // Add text content (using only ASCII characters to ensure compatibility)
    const fontSize = 16
    let yPosition = height - 100
    
    const texts = [
      'PDF Text Extraction Test',
      'This is a test document for PDF text extraction.',
      'Line 1: Hello World',
      'Line 2: Testing PDF processing',
      'Line 3: Multiple line text extraction',
      'This PDF was created using pdf-lib.',
      'It should have extractable text content.'
    ]
    
    for (const text of texts) {
      page.drawText(text, {
        x: 50,
        y: yPosition,
        size: fontSize,
        font: font,
        color: rgb(0, 0, 0),
      })
      yPosition -= fontSize + 10
    }
    
    // Save the PDF
    const pdfBytes = await pdfDoc.save()
    
    // Write to file
    fs.writeFileSync('test-document.pdf', pdfBytes)
    
    console.log('Test PDF created successfully: test-document.pdf')
    console.log(`PDF size: ${pdfBytes.length} bytes`)
    
  } catch (error) {
    console.error('Error creating PDF:', error)
  }
}

createTestPDF()