/**
 * Proxy: POST /api/proxy/onramp/session
 *
 * Forwards session creation to the onramp-service so the frontend
 * can initiate a Transak payment session without CORS issues.
 */

import { NextRequest, NextResponse } from 'next/server'

const ONRAMP_URL = process.env.ONRAMP_SERVICE_URL || 'http://payment-onramp:3002'

export async function POST(req: NextRequest) {
  try {
    const body = await req.json()

    const res = await fetch(`${ONRAMP_URL}/api/onramp/transak/session`, {
      method: 'POST',
      headers: { 'Content-Type': 'application/json' },
      body: JSON.stringify({
        walletAddress: body.walletAddress,
        fiatAmount: body.fiatAmount,
        fiatCurrency: body.fiatCurrency,
        email: body.email,
      }),
    })

    if (!res.ok) {
      const err = await res.text()
      return NextResponse.json({ error: err }, { status: res.status })
    }

    const data = await res.json()
    return NextResponse.json(data)
  } catch (error) {
    console.error('Onramp session proxy error:', error)
    return NextResponse.json({ error: 'Failed to create session' }, { status: 500 })
  }
}