import { ImageResponse } from '@vercel/og'
import { readFile, writeFile } from 'node:fs/promises'
import { join } from 'node:path'

async function generateOGImage() {
  console.log('🎨 Generating OG image...')

  const clashFont = await readFile(
    join(process.cwd(), 'public/fonts/ClashDisplay/ClashDisplay-Semibold.woff')
  )
  const lexendFont = await readFile(
    join(process.cwd(), 'public/fonts/Lexend/Lexend-Regular.woff')
  )

  const logoImage = await readFile(
    join(process.cwd(), 'public/logo.svg')
  )
  const logoDataUri = `data:image/svg+xml;base64,${logoImage.toString('base64')}`

  const imageResponse = new ImageResponse(
    {
      type: 'div',
      props: {
        style: {
          height: '100%',
          width: '100%',
          display: 'flex',
          alignItems: 'center',
          justifyContent: 'center',
          backgroundColor: '#2d2d2d',
          backgroundImage: 'linear-gradient(135deg, rgba(235, 219, 147, 0.40) 0%, transparent 50%)',
          padding: '80px',
        },
        children: [
          {
            type: 'div',
            props: {
              style: {
                display: 'flex',
                flexDirection: 'row',
                alignItems: 'flex-start',
                gap: '48px',
                maxWidth: '1100px',
              },
              children: [
                {
                  type: 'img',
                  props: {
                    src: logoDataUri,
                    alt: 'Patrick Jaroszewski Logo',
                    style: {
                      width: 183,
                      height: 247,
                      flexShrink: 0,
                    },
                  },
                },
                {
                  type: 'div',
                  props: {
                    style: {
                      display: 'flex',
                      flexDirection: 'column',
                      gap: '20px',
                      maxWidth: '820px',
                    },
                    children: [
                      {
                        type: 'div',
                        props: {
                          style: {
                            display: 'flex',
                            flexDirection: 'column',
                            gap: '8px',
                          },
                          children: [
                            {
                              type: 'div',
                              props: {
                                style: {
                                  fontFamily: 'Lexend',
                                  fontSize: 28,
                                  fontWeight: 400,
                                  color: '#c4c4c4',
                                },
                                children: 'Hello, I\'m',
                              },
                            },
                            {
                              type: 'div',
                              props: {
                                style: {
                                  fontFamily: 'ClashDisplay',
                                  fontSize: 60,
                                  fontWeight: 600,
                                  color: '#f2f2f2',
                                  letterSpacing: '-1.5px',
                                  lineHeight: 1.1,
                                },
                                children: 'Patrick Jaroszewski',
                              },
                            },
                          ],
                        },
                      },
                      {
                        type: 'div',
                        props: {
                          style: {
                            fontFamily: 'Lexend',
                            fontSize: 22,
                            fontWeight: 400,
                            color: '#c4c4c4',
                            lineHeight: 1.6,
                          },
                          children: 'Full Stack Developer & DevOps Engineer passionate about building scalable web applications and robust infrastructure. A relentless learner driven by curiosity — skilled in modern web technologies, self-hosted infrastructure, and automation.',
                        },
                      },
                    ],
                  },
                },
              ],
            },
          },
        ],
      },
    },
    {
      width: 1200,
      height: 630,
      fonts: [
        { name: 'ClashDisplay', data: clashFont, weight: 600 },
        { name: 'Lexend', data: lexendFont, weight: 400 },
      ],
    }
  )

  // Get the image as an ArrayBuffer
  const arrayBuffer = await imageResponse.arrayBuffer()
  const buffer = Buffer.from(arrayBuffer)

  // Write to public directory
  const outputPath = join(process.cwd(), 'public/ogImage.png')
  await writeFile(outputPath, buffer)

  console.log('✅ OG image generated successfully at public/ogImage.png')
  console.log(`   Size: ${(buffer.length / 1024).toFixed(2)} KB`)
}

// Run the generator
generateOGImage().catch((error) => {
  console.error('❌ Failed to generate OG image:', error)
  process.exit(1)
})