/**
 * Sync History API Endpoint
 * GET /api/sync/history - Get sync history records
 */

import { NextRequest, NextResponse } from 'next/server';
import { AutotaskClient } from '@/lib/services/autotask-client';
import { createSyncService } from '@/lib/services/sync-service';
import { EntityType } from '@/lib/types/sync';

export async function GET(request: NextRequest) {
  try {
    const searchParams = request.nextUrl.searchParams;
    const limit = parseInt(searchParams.get('limit') || '50');
    const offset = parseInt(searchParams.get('offset') || '0');
    const entityType = searchParams.get('entityType') as EntityType | null;

    // Initialize Autotask client (needed for service instantiation)
    const autotaskClient = new AutotaskClient({
      apiUrl: process.env.AUTOTASK_API_URL || '',
      username: process.env.AUTOTASK_USERNAME || '',
      password: process.env.AUTOTASK_SECRET || '',
      apiIntegrationCode: process.env.AUTOTASK_API_INTEGRATION_CODE || '',
    });

    // Create sync service
    const syncService = createSyncService(autotaskClient);

    // Get sync history
    const history = await syncService.getSyncHistory(
      limit,
      entityType || undefined,
      offset
    );

    return NextResponse.json({
      history,
      count: history.length,
    });
  } catch (error) {
    console.error('Failed to fetch sync history:', error);
    return NextResponse.json(
      { error: 'Failed to fetch sync history' },
      { status: 500 }
    );
  }
}
