import { Router, Request, Response } from 'express';
import { PrismaClient } from '@prisma/client';
import { PaymentService } from '../modules/banking/paymentService';

const prisma = new PrismaClient();
const paymentService = new PaymentService(prisma);

/** Router für das Vermieter-Cockpit-Dashboard (aggregierte Übersichtsdaten). */
export const cockpitRouter = Router();

cockpitRouter.get('/cockpit/summary', async (_req: Request, res: Response) => {
  const [trafficLights, openTickets, rooms] = await Promise.all([
    paymentService.getRentTrafficLights(),
    prisma.ticket.findMany({
      where: { status: { in: ['OPEN', 'IN_PROGRESS'] } },
      orderBy: { createdAt: 'desc' },
      select: {
        id: true,
        title: true,
        category: true,
        priority: true,
        status: true,
        createdAt: true,
        room: { select: { roomNumber: true } },
      },
    }),
    prisma.room.findMany({
      select: { id: true, roomNumber: true, sizeSqm: true, status: true },
      orderBy: { roomNumber: 'asc' },
    }),
  ]);

  const counts = { GREEN: 0, YELLOW: 0, RED: 0 } as Record<'GREEN' | 'YELLOW' | 'RED', number>;
  let totalWarmRentSum = 0;
  for (const light of trafficLights) {
    counts[light.status]++;
    totalWarmRentSum += light.amountDue;
  }

  res.status(200).json({
    generatedAt: new Date().toISOString(),
    rooms,
    trafficLights,
    summary: {
      totalRooms: rooms.length,
      rentGreen: counts.GREEN,
      rentYellow: counts.YELLOW,
      rentRed: counts.RED,
      totalMonthlyRentTarget: totalWarmRentSum,
      openTicketsCount: openTickets.length,
    },
    openTickets,
  });
});