import { Router, Request, Response } from 'express';
import { DockerManager } from '../services/dockerManager.js';
import { logger } from '../utils/logger.js';

const router = Router();
const dockerManager = new DockerManager();

// Get overall server status
router.get('/', async (req: Request, res: Response) => {
  try {
    const [gameServers, systemStats, runningContainers] = await Promise.all([
      dockerManager.listGameServers(),
      dockerManager.getSystemStats(),
      dockerManager.getRunningContainers()
    ]);

    const activePorts = new Set<number>();
    runningContainers.forEach((container: any) => {
      if (container.Ports) {
        container.Ports.forEach((port: any) => {
          if (port.PublicPort) {
            activePorts.add(port.PublicPort);
          }
        });
      }
    });

    res.json({
      timestamp: new Date().toISOString(),
      status: 'operational',
      gameServers: {
        available: gameServers.available,
        running: gameServers.running.length,
        runningServers: gameServers.running
      },
      activePorts: Array.from(activePorts).sort(),
      systemStats,
      containers: {
        total: runningContainers.length,
        running: runningContainers.filter((c: any) => c.State === 'running').length
      }
    });
  } catch (error) {
    logger.error('Error getting server status:', error);
    res.status(500).json({ error: 'Failed to get server status' });
  }
});

// Get active ports and services
router.get('/ports', async (req: Request, res: Response) => {
  try {
    const containers = await dockerManager.getRunningContainers();
    const portMappings: { [key: number]: string } = {};
    
    containers.forEach((container: any) => {
      if (container.Ports && container.State === 'running') {
        container.Ports.forEach((port: any) => {
          if (port.PublicPort) {
            const serviceName = container.Labels?.['game-server'] || 
                              container.Names[0]?.replace('/', '') || 
                              'unknown';
            portMappings[port.PublicPort] = serviceName;
          }
        });
      }
    });

    res.json({
      activePorts: portMappings,
      totalPorts: Object.keys(portMappings).length
    });
  } catch (error) {
    logger.error('Error getting port information:', error);
    res.status(500).json({ error: 'Failed to get port information' });
  }
});

export { router as statusRouter };