/**
 * GET /api/me - aktueller Benutzer + sein Kalender (fuer Dashboard).
 */
import { NextResponse } from 'next/server';
import { prisma } from '@/lib/db/client';
import { requireDbUser } from '@/lib/api/context';
import { errorResponse } from '@/lib/api/responses';

export async function GET(): Promise<NextResponse> {
  try {
    const user = await requireDbUser();

    const membership = await prisma.calendarMember.findUnique({
      where: { userId: user.id },
      select: {
        calendar: { select: { id: true, title: true, description: true, isActive: true } },
      },
    });

    const ownedCalendars =
      user.role === 'ADMIN'
        ? await prisma.calendar.findMany({
            where: { ownerId: user.id },
            orderBy: { createdAt: 'desc' },
            select: { id: true, title: true, description: true, isActive: true },
          })
        : [];

    return NextResponse.json({
      user: { id: user.id, email: user.email, username: user.username, role: user.role },
      memberCalendar: membership?.calendar ?? null,
      ownedCalendars,
    });
  } catch (error) {
    return errorResponse(error);
  }
}