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

/**
 * Proxy API route for elections endpoint
 * Forwards requests to the backend API
 */
export async function GET(request: NextRequest) {
  try {
    const searchParams = request.nextUrl.searchParams
    const backendUrl = process.env.NEXT_PUBLIC_API_URL || 'http://localhost:8000'

    // Build the backend URL with query parameters
    const url = new URL('/api/elections', backendUrl)

    // Copy all query parameters from the incoming request
    searchParams.forEach((value, key) => {
      url.searchParams.append(key, value)
    })

    // Get the authorization header if present
    const authHeader = request.headers.get('authorization')
    const headers: HeadersInit = {
      'Content-Type': 'application/json',
    }

    if (authHeader) {
      headers['Authorization'] = authHeader
    }

    // Forward the request to the backend
    const response = await fetch(url.toString(), {
      method: 'GET',
      headers,
    })

    const data = await response.json()

    // Return the response with the same status code
    return NextResponse.json(data, { status: response.status })
  } catch (error) {
    console.error('Error proxying elections request:', error)
    return NextResponse.json(
      { detail: 'Error proxying request to backend' },
      { status: 500 }
    )
  }
}