import { NextRequest, NextResponse } from 'next/server'
import { auth } from '@/lib/auth'

export async function POST(request: NextRequest) {
  try {
    const session = await auth()

    if (!session?.user?.id) {
      return NextResponse.json(
        { success: false, error: 'Unauthorized' },
        { status: 401 }
      )
    }

    const formData = await request.formData()
    const file = formData.get('file') as File

    if (!file) {
      return NextResponse.json(
        { success: false, error: 'No file provided' },
        { status: 400 }
      )
    }

    // Validate file type
    const allowedTypes = ['image/jpeg', 'image/jpg', 'image/png']
    if (!allowedTypes.includes(file.type)) {
      return NextResponse.json(
        { success: false, error: 'Only JPG, JPEG, and PNG files are allowed' },
        { status: 400 }
      )
    }

    // Validate file size (500KB untuk base64)
    const maxSize = 500 * 1024
    if (file.size > maxSize) {
      return NextResponse.json(
        { success: false, error: 'Ukuran file maksimal 500KB' },
        { status: 400 }
      )
    }

    // Convert to base64 data URL
    const bytes = await file.arrayBuffer()
    const buffer = Buffer.from(bytes)
    const base64 = buffer.toString('base64')
    const dataUrl = `data:${file.type};base64,${base64}`

    return NextResponse.json({ success: true, url: dataUrl })
  } catch (error) {
    console.error('Error uploading file:', error)
    return NextResponse.json(
      { success: false, error: 'Failed to upload file' },
      { status: 500 }
    )
  }
}