import { NextResponse } from 'next/server'
import { generateCaptcha, verifyCaptcha } from '@/lib/captcha'

export const runtime = 'nodejs'

export async function GET() {
  try {
    const captchaData = generateCaptcha()

    return NextResponse.json({
      success: true,
      captchaId: captchaData.captchaId,
      question: captchaData.question
    })

  } catch (error) {
    console.error('Captcha generation error:', error)
    return NextResponse.json({
      success: false,
      error: 'Failed to generate captcha'
    }, { status: 500 })
  }
}

export async function POST(request: Request) {
  try {
    const { captchaId, answer } = await request.json()

    if (!captchaId || answer === undefined) {
      return NextResponse.json({
        success: false,
        error: 'Missing captcha ID or answer'
      }, { status: 400 })
    }

    const isValid = verifyCaptcha(captchaId, answer)

    return NextResponse.json({
      success: true,
      valid: isValid
    })

  } catch (error) {
    console.error('Captcha verification error:', error)
    return NextResponse.json({
      success: false,
      error: 'Failed to verify captcha'
    }, { status: 500 })
  }
}