route.ts

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import { NextRequest, NextResponse } from 'next/server';
import { fieldpineServerApi } from '@/lib/server/fieldpineApi';
import { getStoredAuth } from '@/lib/server/auth';
 
/**
 * Loyalty Campaigns Endpoint
 * Uses Fieldpine's elink/BUCK API for loyalty management
 */
export async function GET(request: NextRequest) {
  try {
    // Verify authentication
    const authData = await getStoredAuth();
    if (!authData || !authData.authenticated) {
      return NextResponse.json(
        { success: false, error: 'Authentication required' },
        { status: 401 }
      );
    }
 
    // Call BUCK API for loyalty campaigns
    try {
      const buckParams = {
        "3": "retailmax.elink.loyalty.list"
      };
      
      const response = await fieldpineServerApi.buckApiCall(buckParams, authData.apiKey);
      
      // Extract campaigns from BUCK response
      if (response?.DATS && Array.isArray(response.DATS)) {
        return NextResponse.json({ 
          success: true, 
          data: response.DATS,
          source: 'elink'
        });
      } else {
        return NextResponse.json({ 
          success: true, 
          data: [],
          source: 'elink'
        });
      }
      
    } catch (error) {
      console.error('Loyalty campaigns error:', error);
      return NextResponse.json(
        { success: false, error: 'Failed to fetch loyalty campaigns', source: 'elink' },
        { status: 503 }
      );
    }
 
  } catch (error) {
    console.error('Loyalty API error:', error);
    return NextResponse.json(
      { success: false, error: 'Failed to fetch loyalty campaigns' },
      { status: 500 }
    );
  }
}