import { NextRequest, NextResponse } from 'next/server';
import { getCoilReceipts } from '@/services/coil-activity';
import { getQuestSession, getActiveCompany } from '@/lib/permissions';
import { cachedQuery } from '@/lib/cache';

export const dynamic = 'force-dynamic';

export async function GET(request: NextRequest) {
  const session = await getQuestSession();
  const activeCompany = await getActiveCompany();

  if (!session || !activeCompany) {
    return NextResponse.json({ error: 'No active company' }, { status: 401 });
  }

  const { searchParams } = new URL(request.url);
  const startDate = searchParams.get('startDate');
  const endDate = searchParams.get('endDate');

  if (!startDate || !endDate) {
    return NextResponse.json(
      { error: 'startDate and endDate query parameters are required' },
      { status: 400 }
    );
  }

  const start = new Date(startDate);
  const end = new Date(endDate);
  if (isNaN(start.getTime()) || isNaN(end.getTime())) {
    return NextResponse.json({ error: 'Invalid date format' }, { status: 400 });
  }
  if (end < start) {
    return NextResponse.json(
      { error: 'endDate must be after startDate' },
      { status: 400 }
    );
  }
  const diffDays = Math.ceil(
    (end.getTime() - start.getTime()) / (1000 * 60 * 60 * 24)
  );
  if (diffDays > 31) {
    return NextResponse.json(
      { error: 'Date range cannot exceed 31 days' },
      { status: 400 }
    );
  }

  const custId = activeCompany.epicor_cust_id;

  try {
    const data = await cachedQuery(
      { key: `coil:${custId}:receipts:${startDate}:${endDate}`, ttlSeconds: 300 },
      () => getCoilReceipts(custId, startDate, endDate)
    );
    return NextResponse.json(data);
  } catch (err) {
    const message = err instanceof Error ? err.message : String(err);
    let details = '';
    if (err && typeof err === 'object' && 'originalError' in err) {
      const originalError = (err as { originalError: unknown }).originalError;
      details =
        originalError instanceof Error
          ? originalError.message
          : String(originalError);
    }
    console.error('Coil receipts error:', err);
    return NextResponse.json({ error: message, details }, { status: 500 });
  }
}