import { NextResponse } from 'next/server'
import { readFileSync, existsSync } from 'fs'
import path from 'path'

export interface VinylShape {
  name:        string
  variationId: string
  priceCents:  number
}

export interface VinylFont {
  id:     string
  name:   string
  family: string
}

export interface VinylConfig {
  vinylItemId:         string
  vinylVariationId:    string
  pricePerLetterCents: number
  maxCharacters:       number
  shapeItemId:         string
  shapes:              VinylShape[]
  fonts:               VinylFont[]
}

const CONFIG_PATH = path.join(process.cwd(), 'data', 'vinyl-config.json')

export async function GET() {
  if (!existsSync(CONFIG_PATH)) {
    return NextResponse.json({ error: 'Vinyl config not found' }, { status: 404 })
  }
  try {
    const config: VinylConfig = JSON.parse(readFileSync(CONFIG_PATH, 'utf-8'))
    return NextResponse.json(config)
  } catch {
    return NextResponse.json({ error: 'Failed to load vinyl config' }, { status: 500 })
  }
}