import type { LoaderFunctionArgs } from "@remix-run/node";
import { json } from "@remix-run/node";
import { requireAuthLevel } from "~/utils/auth.server";
import { prisma } from "~/utils/db.server";

export const loader = async ({ request }: LoaderFunctionArgs) => {
  await requireAuthLevel(request, 2); // Only supervisors and admins

  const url = new URL(request.url);
  const workerId = url.searchParams.get('workerId');
  const dateFrom = url.searchParams.get('dateFrom');
  const dateTo = url.searchParams.get('dateTo');

  if (!workerId) {
    return json({ error: "Worker ID is required" }, { status: 400 });
  }

  // Build where clause for reports
  const whereClause: any = {
    shiftWorkers: {
      some: {
        workerId: parseInt(workerId)
      }
    }
  };

  // Add date filters if provided
  if (dateFrom || dateTo) {
    whereClause.createdDate = {};
    if (dateFrom) {
      whereClause.createdDate.gte = new Date(dateFrom + 'T00:00:00.000Z');
    }
    if (dateTo) {
      whereClause.createdDate.lte = new Date(dateTo + 'T23:59:59.999Z');
    }
  }

  // Fetch shifts where this worker was assigned
  const shifts = await prisma.report.findMany({
    where: whereClause,
    orderBy: { createdDate: 'desc' },
    include: {
      employee: { select: { name: true } },
      area: { select: { name: true } },
      dredgerLocation: { select: { name: true, class: true } },
      reclamationLocation: { select: { name: true } }
    }
  });

  return json({ shifts });
};