import { NextResponse } from 'next/server';
import type { NextRequest } from 'next/server';
import { cookies } from 'next/headers';
import { getGetSponsorDashboardUseCase } from '@/lib/di-container';
import { SponsorDashboardPresenter } from '@/lib/presenters/SponsorDashboardPresenter';

export async function GET(request: NextRequest) {
  try {
    // Get sponsor ID from cookie (set during demo login)
    const cookieStore = await cookies();
    const sponsorId = cookieStore.get('gridpilot_sponsor_id')?.value;

    if (!sponsorId) {
      return NextResponse.json(
        { error: 'Not authenticated as sponsor' },
        { status: 401 }
      );
    }

    const presenter = new SponsorDashboardPresenter();
    const useCase = getGetSponsorDashboardUseCase();
    await useCase.execute({ sponsorId }, presenter);
    const dashboard = presenter.getData();

    if (!dashboard) {
      return NextResponse.json(
        { error: 'Sponsor not found' },
        { status: 404 }
      );
    }

    return NextResponse.json(dashboard);
  } catch (error) {
    const message = error instanceof Error ? error.message : 'Failed to get sponsor dashboard';
    return NextResponse.json({ error: message }, { status: 500 });
  }
}