import type { GeneratedImage } from '../stores'
import { processPhoto } from './from-photo-generator'

export async function generateFromPhotoImage(file: File, size: number): Promise<GeneratedImage> {
  try {
    const result = await processPhoto(file, {
      targetSize: size,
      contrastEnhancement: true,
      grayscaleConversion: true,
    })

    const image: GeneratedImage = {
      id: `from-photo-${Date.now()}`,
      canvas: result.canvas,
      imageData: result.imageData,
      generator: 'from-photo',
      params: {
        fileName: file.name,
        fileSize: file.size,
        fileType: file.type,
        processedAt: new Date().toISOString(),
        size,
        contrastEnhanced: true,
        grayscaleConverted: true,
      },
    }

    return image
  } catch (error) {
    console.error('Failed to process photo:', error)

    // Fallback: create a black canvas
    const canvas = document.createElement('canvas')
    const ctx = canvas.getContext('2d')!
    canvas.width = size
    canvas.height = size
    ctx.fillStyle = '#000000'
    ctx.fillRect(0, 0, size, size)
    const imageData = ctx.getImageData(0, 0, size, size)

    const fallbackImage: GeneratedImage = {
      id: `from-photo-error-${Date.now()}`,
      canvas,
      imageData,
      generator: 'from-photo',
      params: {
        fileName: file.name,
        error: error instanceof Error ? error.message : 'Unknown error',
        size,
      },
    }

    return fallbackImage
  }
}