import { NextResponse } from 'next/server';
import { getServerSession } from 'next-auth';
import { authOptions } from "@/app/api/auth/options";
import { NotificationRegistry } from '@/lib/services/notifications/notification-registry';
import { logger } from '@/lib/logger';

// POST /api/notifications/mark-all-read
export async function POST(request: Request) {
  try {
    const session = await getServerSession(authOptions);
    if (!session?.user?.id) {
      return NextResponse.json({ error: "Not authenticated" }, { status: 401 });
    }

    const registry = NotificationRegistry.getInstance();
    
    // Reset all counts to 0 for this user
    try {
      const redis = await import('@/lib/redis').then(m => m.getRedisClient());
      const countKey = `notifications:count:${session.user.id}`;
      
      // Set all counts to 0
      const emptyCount = {
        total: 0,
        unread: 0,
        sources: {
          email: { total: 0, unread: 0 },
          rocketchat: { total: 0, unread: 0 },
          leantime: { total: 0, unread: 0 },
          calendar: { total: 0, unread: 0 },
        },
      };
      
      await redis.set(countKey, JSON.stringify(emptyCount), 'EX', 30);
      
      logger.debug('[NOTIFICATIONS_MARK_ALL_READ] All notifications marked as read', {
        userId: session.user.id,
      });
    } catch (error) {
      logger.error('[NOTIFICATIONS_MARK_ALL_READ] Error marking all as read', {
        userId: session.user.id,
        error: error instanceof Error ? error.message : String(error),
      });
    }

    return NextResponse.json({ success: true });
  } catch (error: any) {
    logger.error('[NOTIFICATIONS_MARK_ALL_READ] Error', {
      error: error instanceof Error ? error.message : String(error),
    });
    return NextResponse.json(
      { error: "Internal server error", message: error.message },
      { status: 500 }
    );
  }
}