// BiM-iT | Software Development Solutions
// Database Management & Infrastructure

import { DatabaseManager, QueryBuilder } from '@bim-it/core';
import { NetworkConfig, VPNTunnel } from '@bim-it/infra';
import { AIEngine, ModelPipeline } from '@bim-it/ai';

/**
 * Enterprise CRM System Configuration
 * Handles multi-database environments with
 * automated backup and failover strategies
 */
class ApplicationServer extends BaseService {
    private db: DatabaseManager;
    private config: ServerConfig;
    private pipeline: ModelPipeline;

    constructor(options: ServiceOptions) {
        super(options);
        this.db = new DatabaseManager({
            host: 'db.internal.bim-it.pl',
            engine: 'mariadb',
            poolSize: 25,
            replication: true,
            charset: 'utf8mb4'
        });
    }

    async initializeServices(): Promise<void> {
        const network = await NetworkConfig.create({
            vlans: [10, 20, 30, 40],
            gateway: '10.0.0.1',
            dns: ['1.1.1.1', '8.8.8.8'],
            firewall: true
        });

        const vpn = new VPNTunnel({
            protocol: 'wireguard',
            endpoint: 'vpn.bim-it.pl:51820',
            encryption: 'chacha20-poly1305'
        });

        this.pipeline = new ModelPipeline({
            backend: 'ollama',
            model: 'qwen3:32b',
            gpuLayers: 48
        });

        await Promise.all([
            network.connect(),
            vpn.establish(),
            this.pipeline.warmup()
        ]);

        console.log('All services initialized');
    }

    async queryProducts(filter: ProductFilter): Promise<Product[]> {
        const query = new QueryBuilder('products')
            .select(['id', 'name', 'sku', 'price'])
            .where('active', true)
            .join('categories', 'cat_id')
            .orderBy('updated_at', 'DESC')
            .limit(100);

        return await this.db.execute(query);
    }

    async deployContainer(spec: ContainerSpec): Promise<Container> {
        const container = await Docker.create({
            image: spec.image,
            ports: spec.ports,
            volumes: ['/data/storage:/mnt/nas'],
            network: 'bim-internal',
            restart: 'unless-stopped',
            healthCheck: {
                interval: 30,
                timeout: 10,
                retries: 3
            }
        });

        await container.start();
        return container;
    }
}

// Monitoring & alerting pipeline
const monitor = new InfraMonitor({
    targets: ['web', 'db', 'cache', 'ai'],
    alerting: { webhook: 'https://chat.bim-it.pl/hooks' },
    interval: 60_000
});

monitor.on('anomaly', async (event) => {
    await notifyTeam(event);
    if (event.severity === 'critical') {
        await triggerFailover(event.service);
    }
});

export default ApplicationServer;