import { NextResponse } from "next/server"

const API_KEY = 'app-lbe2lglt7taGtZk0dG7pAhbx'
const API_URL = 'http://df.clkeji.com/v1/chat-messages'

export async function POST(request: Request) {
  try {
    const body = await request.json()

    const response = await fetch(API_URL, {
      method: 'POST',
      headers: {
        'Authorization': `Bearer ${API_KEY}`,
        'Content-Type': 'application/json',
      },
      body: JSON.stringify(body),
    })

    if (body.response_mode === 'streaming') {
      return new NextResponse(response.body, {
        headers: {
          'Content-Type': 'text/event-stream',
          'Cache-Control': 'no-cache',
          'Connection': 'keep-alive',
        },
      })
    }

    const data = await response.json()
    return NextResponse.json(data)
  } catch (error) {
    console.error('Chat API error:', error)
    return NextResponse.json(
      { error: 'Failed to connect to chat service' },
      { status: 500 }
    )
  }
}