import { NextRequest, NextResponse } from 'next/server';
import Settings from 'settings';

export async function GET(request: NextRequest) {
  try {
    const { searchParams } = new URL(request.url);
    const dynamicFilter = request.headers.get('x-search-dynamic-filter');
    const dynamicExclude = request.headers.get('x-search-dynamic-exclude');

    if (!dynamicFilter && !dynamicExclude) {
      return NextResponse.json(
        {
          error:
            'Missing x-search-dynamic-filter or x-search-dynamic-exclude header'
        },
        { status: 400 }
      );
    }

    if (Settings.commerceUrl === 'default') {
      return NextResponse.json(
        { error: 'Commerce URL is not configured' },
        { status: 500 }
      );
    }

    const queryString = searchParams.toString();
    const apiUrl = `${Settings.commerceUrl}/list${
      queryString ? `?${queryString}` : ''
    }`;

    const headers: Record<string, string> = {
      Accept: 'application/json',
      'Content-Type': 'application/json'
    };

    if (dynamicFilter) {
      headers['x-search-dynamic-filter'] = dynamicFilter;
    } else if (dynamicExclude) {
      headers['x-search-dynamic-exclude'] = dynamicExclude;
    }

    const response = await fetch(apiUrl, {
      method: 'GET',
      headers
    });

    if (!response.ok) {
      return NextResponse.json(
        { error: `API request failed with status: ${response.status}` },
        { status: response.status }
      );
    }

    const data = await response.json();
    return NextResponse.json(data);
  } catch (error) {
    return NextResponse.json(
      { error: (error as Error).message },
      { status: 500 }
    );
  }
}