claude-flow-tbowman01/src/enterprise/cloud-manager.ts

Enterprise-grade AI agent orchestration with ruv-swarm integration (Alpha Release)

import { EventEmitter } from 'events';
import { writeFile, readFile, mkdir, readdir } from 'fs/promises';
import { join } from 'path';
import { Logger } from '../core/logger.js';
import { ConfigManager } from '../core/config.js';

export interface CloudProvider {
  id: string;
  name: string;
  type: 'aws' | 'gcp' | 'azure' | 'kubernetes' | 'docker' | 'digitalocean' | 'linode' | 'custom';
  credentials: {
    accessKey?: string;
    secretKey?: string;
    projectId?: string;
    subscriptionId?: string;
    token?: string;
    keyFile?: string;
    customConfig?: Record<string, any>;
  };
  configuration: {
    defaultRegion: string;
    availableRegions: string[];
    services: string[];
    endpoints: Record<string, string>;
    features: string[];
  };
  status: 'active' | 'inactive' | 'error' | 'maintenance';
  quotas: {
    computeInstances: number;
    storage: number;
    bandwidth: number;
    requests: number;
  };
  pricing: {
    currency: string;
    computePerHour: number;
    storagePerGB: number;
    bandwidthPerGB: number;
    requestsPer1000: number;
  };
  createdAt: Date;
  updatedAt: Date;
}

export interface CloudResource {
  id: string;
  name: string;
  type: 'compute' | 'storage' | 'network' | 'database' | 'cache' | 'queue' | 'function' | 'custom';
  providerId: string;
  region: string;
  status: 'creating' | 'running' | 'stopped' | 'error' | 'terminated';
  configuration: {
    size: string;
    image?: string;
    ports?: number[];
    environment?: Record<string, string>;
    volumes?: VolumeMount[];
    networks?: string[];
    tags: Record<string, string>;
  };
  monitoring: {
    enabled: boolean;
    metrics: CloudMetric[];
    alerts: CloudAlert[];
    healthChecks: HealthCheck[];
  };
  security: {
    encryption: boolean;
    backups: boolean;
    accessControl: AccessControl[];
    vulnerabilityScanning: boolean;
    complianceFrameworks: string[];
  };
  costs: {
    hourlyRate: number;
    monthlyEstimate: number;
    actualSpend: number;
    lastBillingDate: Date;
    costBreakdown: Record<string, number>;
  };
  performance: {
    cpu: number;
    memory: number;
    storage: number;
    network: number;
    uptime: number;
    availability: number;
  };
  metadata: {
    projectId?: string;
    environment: string;
    owner: string;
    purpose: string;
    lifecycle: 'temporary' | 'permanent' | 'scheduled';
    expiryDate?: Date;
  };
  createdAt: Date;
  updatedAt: Date;
  auditLog: CloudAuditEntry[];
}

export interface VolumeMount {
  source: string;
  destination: string;
  type: 'bind' | 'volume' | 'tmpfs';
  readOnly: boolean;
  size?: string;
}

export interface CloudMetric {
  name: string;
  type: 'counter' | 'gauge' | 'histogram';
  value: number;
  unit: string;
  timestamp: Date;
  tags: Record<string, string>;
}

export interface CloudAlert {
  id: string;
  name: string;
  condition: string;
  threshold: number;
  severity: 'low' | 'medium' | 'high' | 'critical';
  enabled: boolean;
  notifications: string[];
  lastTriggered?: Date;
}

export interface HealthCheck {
  id: string;
  name: string;
  type: 'http' | 'tcp' | 'command';
  configuration: {
    url?: string;
    port?: number;
    command?: string;
    expectedStatus?: number;
    timeout: number;
    interval: number;
    retries: number;
  };
  status: 'healthy' | 'unhealthy' | 'unknown';
  lastCheck: Date;
  history: HealthCheckResult[];
}

export interface HealthCheckResult {
  timestamp: Date;
  status: 'healthy' | 'unhealthy';
  responseTime: number;
  details?: string;
}

export interface AccessControl {
  type: 'ip' | 'role' | 'user' | 'group';
  rule: string;
  permissions: string[];
  enabled: boolean;
}

export interface CloudAuditEntry {
  id: string;
  timestamp: Date;
  userId: string;
  action: string;
  resource: string;
  details: Record<string, any>;
  ipAddress?: string;
  userAgent?: string;
}

export interface CloudInfrastructure {
  id: string;
  name: string;
  description: string;
  projectId: string;
  environment: string;
  resources: string[];
  topology: {
    networks: NetworkTopology[];
    loadBalancers: LoadBalancer[];
    databases: Database[];
    caches: Cache[];
    queues: Queue[];
  };
  deployment: {
    strategy: 'manual' | 'terraform' | 'cloudformation' | 'kubernetes' | 'custom';
    template: string;
    parameters: Record<string, any>;
    lastDeployment?: Date;
    deploymentHistory: DeploymentHistory[];
  };
  monitoring: {
    dashboard: string;
    alerts: string[];
    sla: {
      availability: number;
      responseTime: number;
      errorRate: number;
    };
  };
  costs: {
    budgetLimit: number;
    currentSpend: number;
    projectedSpend: number;
    costAlerts: CostAlert[];
    optimization: CostOptimization[];
  };
  compliance: {
    frameworks: string[];
    requirements: ComplianceRequirement[];
    lastAudit: Date;
    nextAudit: Date;
  };
  backup: {
    enabled: boolean;
    schedule: string;
    retention: string;
    lastBackup?: Date;
    backupLocations: string[];
  };
  disaster_recovery: {
    enabled: boolean;
    rto: number; // Recovery Time Objective in minutes
    rpo: number; // Recovery Point Objective in minutes
    strategy: 'active-passive' | 'active-active' | 'pilot-light' | 'warm-standby';
    testFrequency: string;
    lastTest?: Date;
  };
  createdAt: Date;
  updatedAt: Date;
}

export interface NetworkTopology {
  id: string;
  name: string;
  type: 'vpc' | 'subnet' | 'security-group' | 'nat-gateway' | 'internet-gateway';
  configuration: Record<string, any>;
  connections: string[];
}

export interface LoadBalancer {
  id: string;
  name: string;
  type: 'application' | 'network' | 'classic';
  configuration: {
    algorithm: string;
    healthCheck: string;
    sslTermination: boolean;
    targets: string[];
  };
}

export interface Database {
  id: string;
  name: string;
  engine: string;
  version: string;
  configuration: {
    instanceClass: string;
    storage: number;
    backup: boolean;
    multiAZ: boolean;
    encryption: boolean;
  };
}

export interface Cache {
  id: string;
  name: string;
  engine: string;
  configuration: {
    nodeType: string;
    numNodes: number;
    evictionPolicy: string;
  };
}

export interface Queue {
  id: string;
  name: string;
  type: 'sqs' | 'rabbitmq' | 'kafka' | 'redis';
  configuration: {
    visibility: number;
    retention: number;
    dlq: boolean;
  };
}

export interface DeploymentHistory {
  id: string;
  timestamp: Date;
  version: string;
  changes: string[];
  status: 'success' | 'failed' | 'partial';
  duration: number;
  deployedBy: string;
}

export interface CostAlert {
  id: string;
  name: string;
  threshold: number;
  type: 'absolute' | 'percentage';
  frequency: 'daily' | 'weekly' | 'monthly';
  notifications: string[];
  enabled: boolean;
}

export interface CostOptimization {
  id: string;
  type:
    | 'rightsizing'
    | 'scheduling'
    | 'reserved-instances'
    | 'spot-instances'
    | 'storage-optimization';
  description: string;
  potentialSavings: number;
  implementation: string;
  effort: 'low' | 'medium' | 'high';
  priority: 'low' | 'medium' | 'high' | 'critical';
  status: 'identified' | 'planned' | 'implemented' | 'monitoring';
}

export interface ComplianceRequirement {
  id: string;
  framework: string;
  requirement: string;
  status: 'compliant' | 'non-compliant' | 'pending';
  evidence: string[];
  remediation?: string;
  dueDate?: Date;
}

export interface CloudMetrics {
  providers: {
    total: number;
    active: number;
    inactive: number;
    errors: number;
  };
  resources: {
    total: number;
    running: number;
    stopped: number;
    errors: number;
    byType: Record<string, number>;
    byProvider: Record<string, number>;
    byEnvironment: Record<string, number>;
  };
  costs: {
    totalSpend: number;
    monthlySpend: number;
    projectedSpend: number;
    topSpenders: { resourceId: string; cost: number }[];
    costByProvider: Record<string, number>;
    costByEnvironment: Record<string, number>;
    optimization: {
      potentialSavings: number;
      implementedSavings: number;
      opportunities: number;
    };
  };
  performance: {
    averageUptime: number;
    averageResponseTime: number;
    errorRate: number;
    availability: number;
  };
  security: {
    vulnerabilities: {
      critical: number;
      high: number;
      medium: number;
      low: number;
    };
    compliance: {
      compliant: number;
      nonCompliant: number;
      pending: number;
    };
    encryptionCoverage: number;
    backupCoverage: number;
  };
}

export class CloudManager extends EventEmitter {
  private providers: Map<string, CloudProvider> = new Map();
  private resources: Map<string, CloudResource> = new Map();
  private infrastructures: Map<string, CloudInfrastructure> = new Map();
  private cloudPath: string;
  private logger: Logger;
  private config: ConfigManager;

  constructor(cloudPath: string = './cloud', logger?: Logger, config?: ConfigManager) {
    super();
    this.cloudPath = cloudPath;
    this.logger = logger || new Logger({ level: 'info', format: 'text', destination: 'console' });
    this.config = config || ConfigManager.getInstance();
  }

  async initialize(): Promise<void> {
    try {
      await mkdir(this.cloudPath, { recursive: true });
      await mkdir(join(this.cloudPath, 'providers'), { recursive: true });
      await mkdir(join(this.cloudPath, 'resources'), { recursive: true });
      await mkdir(join(this.cloudPath, 'infrastructures'), { recursive: true });
      await mkdir(join(this.cloudPath, 'templates'), { recursive: true });

      await this.loadConfigurations();
      await this.initializeDefaultProviders();

      this.logger.info('Cloud Manager initialized successfully');
    } catch (error) {
      this.logger.error('Failed to initialize Cloud Manager', { error });
      throw error;
    }
  }

  async addProvider(providerData: Partial<CloudProvider>): Promise<CloudProvider> {
    const provider: CloudProvider = {
      id: providerData.id || `provider-${Date.now()}-${Math.random().toString(36).substr(2, 9)}`,
      name: providerData.name || 'Unnamed Provider',
      type: providerData.type || 'custom',
      credentials: providerData.credentials || {},
      configuration: {
        defaultRegion: 'us-east-1',
        availableRegions: ['us-east-1', 'us-west-2', 'eu-west-1'],
        services: [],
        endpoints: {},
        features: [],
        ...providerData.configuration,
      },
      status: 'inactive',
      quotas: {
        computeInstances: 20,
        storage: 1000,
        bandwidth: 1000,
        requests: 1000000,
        ...providerData.quotas,
      },
      pricing: {
        currency: 'USD',
        computePerHour: 0.1,
        storagePerGB: 0.023,
        bandwidthPerGB: 0.09,
        requestsPer1000: 0.0004,
        ...providerData.pricing,
      },
      createdAt: new Date(),
      updatedAt: new Date(),
    };

    // Validate credentials
    try {
      await this.validateProviderCredentials(provider);
      provider.status = 'active';
    } catch (error) {
      provider.status = 'error';
      this.logger.warn(`Provider credentials validation failed: ${provider.name}`, { error });
    }

    this.providers.set(provider.id, provider);
    await this.saveProvider(provider);

    this.emit('provider:added', provider);
    this.logger.info(`Cloud provider added: ${provider.name} (${provider.id})`);

    return provider;
  }

  async createResource(resourceData: {
    name: string;
    type: CloudResource['type'];
    providerId: string;
    region: string;
    configuration: Partial<CloudResource['configuration']>;
    metadata: Partial<CloudResource['metadata']>;
  }): Promise<CloudResource> {
    const provider = this.providers.get(resourceData.providerId);
    if (!provider) {
      throw new Error(`Provider not found: ${resourceData.providerId}`);
    }

    if (provider.status !== 'active') {
      throw new Error(`Provider is not active: ${provider.name}`);
    }

    const resource: CloudResource = {
      id: `resource-${Date.now()}-${Math.random().toString(36).substr(2, 9)}`,
      name: resourceData.name,
      type: resourceData.type,
      providerId: resourceData.providerId,
      region: resourceData.region,
      status: 'creating',
      configuration: {
        size: 'small',
        ports: [],
        environment: {},
        volumes: [],
        networks: [],
        tags: {},
        ...resourceData.configuration,
      },
      monitoring: {
        enabled: true,
        metrics: [],
        alerts: [],
        healthChecks: [],
      },
      security: {
        encryption: true,
        backups: true,
        accessControl: [],
        vulnerabilityScanning: true,
        complianceFrameworks: [],
      },
      costs: {
        hourlyRate: this.calculateResourceCost(
          provider,
          resourceData.type,
          resourceData.configuration.size || 'small',
        ),
        monthlyEstimate: 0,
        actualSpend: 0,
        lastBillingDate: new Date(),
        costBreakdown: {},
      },
      performance: {
        cpu: 0,
        memory: 0,
        storage: 0,
        network: 0,
        uptime: 100,
        availability: 100,
      },
      metadata: {
        environment: 'development',
        owner: 'system',
        purpose: 'general',
        lifecycle: 'permanent',
        ...resourceData.metadata,
      },
      createdAt: new Date(),
      updatedAt: new Date(),
      auditLog: [],
    };

    // Calculate monthly estimate
    resource.costs.monthlyEstimate = resource.costs.hourlyRate * 24 * 30;

    this.addAuditEntry(resource, resource.metadata.owner, 'resource_created', 'resource', {
      resourceId: resource.id,
      resourceName: resource.name,
      providerId: resourceData.providerId,
    });

    this.resources.set(resource.id, resource);
    await this.saveResource(resource);

    // Start resource creation process
    await this.provisionResource(resource);

    this.emit('resource:created', resource);
    this.logger.info(`Cloud resource created: ${resource.name} (${resource.id})`);

    return resource;
  }

  async createInfrastructure(infrastructureData: {
    name: string;
    description: string;
    projectId: string;
    environment: string;
    template: string;
    parameters: Record<string, any>;
  }): Promise<CloudInfrastructure> {
    const infrastructure: CloudInfrastructure = {
      id: `infra-${Date.now()}-${Math.random().toString(36).substr(2, 9)}`,
      name: infrastructureData.name,
      description: infrastructureData.description,
      projectId: infrastructureData.projectId,
      environment: infrastructureData.environment,
      resources: [],
      topology: {
        networks: [],
        loadBalancers: [],
        databases: [],
        caches: [],
        queues: [],
      },
      deployment: {
        strategy: 'terraform',
        template: infrastructureData.template,
        parameters: infrastructureData.parameters,
        deploymentHistory: [],
      },
      monitoring: {
        dashboard: '',
        alerts: [],
        sla: {
          availability: 99.9,
          responseTime: 200,
          errorRate: 0.1,
        },
      },
      costs: {
        budgetLimit: 1000,
        currentSpend: 0,
        projectedSpend: 0,
        costAlerts: [],
        optimization: [],
      },
      compliance: {
        frameworks: [],
        requirements: [],
        lastAudit: new Date(),
        nextAudit: new Date(Date.now() + 90 * 24 * 60 * 60 * 1000), // 90 days
      },
      backup: {
        enabled: true,
        schedule: '0 2 * * *', // Daily at 2 AM
        retention: '30d',
        backupLocations: [],
      },
      disaster_recovery: {
        enabled: false,
        rto: 60, // 1 hour
        rpo: 15, // 15 minutes
        strategy: 'active-passive',
        testFrequency: 'quarterly',
      },
      createdAt: new Date(),
      updatedAt: new Date(),
    };

    this.infrastructures.set(infrastructure.id, infrastructure);
    await this.saveInfrastructure(infrastructure);

    this.emit('infrastructure:created', infrastructure);
    this.logger.info(`Infrastructure created: ${infrastructure.name} (${infrastructure.id})`);

    return infrastructure;
  }

  async deployInfrastructure(infrastructureId: string, userId: string = 'system'): Promise<void> {
    const infrastructure = this.infrastructures.get(infrastructureId);
    if (!infrastructure) {
      throw new Error(`Infrastructure not found: ${infrastructureId}`);
    }

    const deploymentId = `deploy-${Date.now()}-${Math.random().toString(36).substr(2, 9)}`;
    const startTime = new Date();

    try {
      this.logger.info(`Starting infrastructure deployment: ${infrastructure.name}`);
      this.emit('infrastructure:deployment_started', { infrastructure, deploymentId });

      // Execute deployment based on strategy
      await this.executeInfrastructureDeployment(infrastructure);

      const endTime = new Date();
      const duration = endTime.getTime() - startTime.getTime();

      const deployment: DeploymentHistory = {
        id: deploymentId,
        timestamp: startTime,
        version: `v${Date.now()}`,
        changes: ['Initial deployment'],
        status: 'success',
        duration,
        deployedBy: userId,
      };

      infrastructure.deployment.deploymentHistory.push(deployment);
      infrastructure.deployment.lastDeployment = startTime;
      infrastructure.updatedAt = new Date();

      await this.saveInfrastructure(infrastructure);

      this.emit('infrastructure:deployment_completed', { infrastructure, deployment });
      this.logger.info(
        `Infrastructure deployment completed: ${infrastructure.name} in ${duration}ms`,
      );
    } catch (error) {
      const endTime = new Date();
      const duration = endTime.getTime() - startTime.getTime();

      const deployment: DeploymentHistory = {
        id: deploymentId,
        timestamp: startTime,
        version: `v${Date.now()}`,
        changes: ['Failed deployment'],
        status: 'failed',
        duration,
        deployedBy: userId,
      };

      infrastructure.deployment.deploymentHistory.push(deployment);
      infrastructure.updatedAt = new Date();

      await this.saveInfrastructure(infrastructure);

      this.emit('infrastructure:deployment_failed', { infrastructure, deployment, error });
      this.logger.error(`Infrastructure deployment failed: ${infrastructure.name}`, { error });

      throw error;
    }
  }

  async optimizeCosts(filters?: {
    providerId?: string;
    environment?: string;
    resourceType?: string;
  }): Promise<CostOptimization[]> {
    let resources = Array.from(this.resources.values());

    // Apply filters
    if (filters) {
      if (filters.providerId) {
        resources = resources.filter((r) => r.providerId === filters.providerId);
      }
      if (filters.environment) {
        resources = resources.filter((r) => r.metadata.environment === filters.environment);
      }
      if (filters.resourceType) {
        resources = resources.filter((r) => r.type === filters.resourceType);
      }
    }

    const optimizations: CostOptimization[] = [];

    for (const resource of resources) {
      // Rightsizing opportunities
      if (resource.performance.cpu < 20 && resource.performance.memory < 30) {
        optimizations.push({
          id: `opt-${Date.now()}-${Math.random().toString(36).substr(2, 9)}`,
          type: 'rightsizing',
          description: `Resource ${resource.name} is underutilized (CPU: ${resource.performance.cpu}%, Memory: ${resource.performance.memory}%). Consider downsizing.`,
          potentialSavings: resource.costs.monthlyEstimate * 0.3,
          implementation: 'Downsize instance to smaller type',
          effort: 'low',
          priority: 'medium',
          status: 'identified',
        });
      }

      // Scheduling opportunities for non-production
      if (resource.metadata.environment !== 'production' && resource.status === 'running') {
        optimizations.push({
          id: `opt-${Date.now()}-${Math.random().toString(36).substr(2, 9)}`,
          type: 'scheduling',
          description: `Resource ${resource.name} in ${resource.metadata.environment} environment could be scheduled to run only during business hours.`,
          potentialSavings: resource.costs.monthlyEstimate * 0.6,
          implementation: 'Implement auto-scaling schedule (8 AM - 6 PM weekdays)',
          effort: 'medium',
          priority: 'high',
          status: 'identified',
        });
      }

      // Storage optimization
      if (resource.type === 'storage' && resource.performance.storage < 50) {
        optimizations.push({
          id: `opt-${Date.now()}-${Math.random().toString(36).substr(2, 9)}`,
          type: 'storage-optimization',
          description: `Storage resource ${resource.name} is only ${resource.performance.storage}% utilized. Consider reducing allocated storage.`,
          potentialSavings: resource.costs.monthlyEstimate * 0.25,
          implementation: 'Reduce storage allocation and implement lifecycle policies',
          effort: 'low',
          priority: 'medium',
          status: 'identified',
        });
      }
    }

    // Sort by potential savings
    optimizations.sort((a, b) => b.potentialSavings - a.potentialSavings);

    this.logger.info(
      `Cost optimization analysis completed: ${optimizations.length} opportunities identified`,
    );
    this.emit('cost_optimization:analyzed', { optimizations, resourceCount: resources.length });

    return optimizations;
  }

  async getCloudMetrics(filters?: {
    providerId?: string;
    environment?: string;
    timeRange?: { start: Date; end: Date };
  }): Promise<CloudMetrics> {
    let resources = Array.from(this.resources.values());
    let providers = Array.from(this.providers.values());

    // Apply filters
    if (filters) {
      if (filters.providerId) {
        resources = resources.filter((r) => r.providerId === filters.providerId);
        providers = providers.filter((p) => p.id === filters.providerId);
      }
      if (filters.environment) {
        resources = resources.filter((r) => r.metadata.environment === filters.environment);
      }
      if (filters.timeRange) {
        resources = resources.filter(
          (r) => r.createdAt >= filters.timeRange!.start && r.createdAt <= filters.timeRange!.end,
        );
      }
    }

    // Provider metrics
    const providerMetrics = {
      total: providers.length,
      active: providers.filter((p) => p.status === 'active').length,
      inactive: providers.filter((p) => p.status === 'inactive').length,
      errors: providers.filter((p) => p.status === 'error').length,
    };

    // Resource metrics
    const resourcesByType: Record<string, number> = {};
    const resourcesByProvider: Record<string, number> = {};
    const resourcesByEnvironment: Record<string, number> = {};

    for (const resource of resources) {
      resourcesByType[resource.type] = (resourcesByType[resource.type] || 0) + 1;
      resourcesByProvider[resource.providerId] =
        (resourcesByProvider[resource.providerId] || 0) + 1;
      resourcesByEnvironment[resource.metadata.environment] =
        (resourcesByEnvironment[resource.metadata.environment] || 0) + 1;
    }

    const resourceMetrics = {
      total: resources.length,
      running: resources.filter((r) => r.status === 'running').length,
      stopped: resources.filter((r) => r.status === 'stopped').length,
      errors: resources.filter((r) => r.status === 'error').length,
      byType: resourcesByType,
      byProvider: resourcesByProvider,
      byEnvironment: resourcesByEnvironment,
    };

    // Cost metrics
    const totalSpend = resources.reduce((sum, r) => sum + r.costs.actualSpend, 0);
    const monthlySpend = resources.reduce((sum, r) => sum + r.costs.monthlyEstimate, 0);
    const projectedSpend = monthlySpend * 12;

    const topSpenders = resources
      .map((r) => ({ resourceId: r.id, cost: r.costs.actualSpend }))
      .sort((a, b) => b.cost - a.cost)
      .slice(0, 10);

    const costByProvider: Record<string, number> = {};
    const costByEnvironment: Record<string, number> = {};

    for (const resource of resources) {
      costByProvider[resource.providerId] =
        (costByProvider[resource.providerId] || 0) + resource.costs.actualSpend;
      costByEnvironment[resource.metadata.environment] =
        (costByEnvironment[resource.metadata.environment] || 0) + resource.costs.actualSpend;
    }

    const costMetrics = {
      totalSpend,
      monthlySpend,
      projectedSpend,
      topSpenders,
      costByProvider,
      costByEnvironment,
      optimization: {
        potentialSavings: 0,
        implementedSavings: 0,
        opportunities: 0,
      },
    };

    // Performance metrics
    const performanceMetrics = {
      averageUptime:
        resources.length > 0
          ? resources.reduce((sum, r) => sum + r.performance.uptime, 0) / resources.length
          : 0,
      averageResponseTime: 0, // Would be calculated from actual metrics
      errorRate: 0, // Would be calculated from actual metrics
      availability:
        resources.length > 0
          ? resources.reduce((sum, r) => sum + r.performance.availability, 0) / resources.length
          : 0,
    };

    // Security metrics
    const encryptedResources = resources.filter((r) => r.security.encryption).length;
    const backedUpResources = resources.filter((r) => r.security.backups).length;

    const securityMetrics = {
      vulnerabilities: {
        critical: 0,
        high: 0,
        medium: 0,
        low: 0,
      },
      compliance: {
        compliant: 0,
        nonCompliant: 0,
        pending: 0,
      },
      encryptionCoverage: resources.length > 0 ? (encryptedResources / resources.length) * 100 : 0,
      backupCoverage: resources.length > 0 ? (backedUpResources / resources.length) * 100 : 0,
    };

    return {
      providers: providerMetrics,
      resources: resourceMetrics,
      costs: costMetrics,
      performance: performanceMetrics,
      security: securityMetrics,
    };
  }

  async scaleResource(
    resourceId: string,
    scalingConfig: {
      size?: string;
      replicas?: number;
      autoScaling?: {
        enabled: boolean;
        minReplicas: number;
        maxReplicas: number;
        targetCPU: number;
        targetMemory: number;
      };
    },
    userId: string = 'system',
  ): Promise<void> {
    const resource = this.resources.get(resourceId);
    if (!resource) {
      throw new Error(`Resource not found: ${resourceId}`);
    }

    const oldConfiguration = { ...resource.configuration };

    if (scalingConfig.size) {
      resource.configuration.size = scalingConfig.size;

      // Update cost calculation
      const provider = this.providers.get(resource.providerId);
      if (provider) {
        resource.costs.hourlyRate = this.calculateResourceCost(
          provider,
          resource.type,
          scalingConfig.size,
        );
        resource.costs.monthlyEstimate = resource.costs.hourlyRate * 24 * 30;
      }
    }

    if (scalingConfig.replicas !== undefined) {
      resource.configuration.tags.replicas = scalingConfig.replicas.toString();
    }

    if (scalingConfig.autoScaling) {
      resource.configuration.tags.autoScaling = JSON.stringify(scalingConfig.autoScaling);
    }

    resource.updatedAt = new Date();

    this.addAuditEntry(resource, userId, 'resource_scaled', 'resource', {
      resourceId,
      oldConfiguration,
      newConfiguration: resource.configuration,
      scalingConfig,
    });

    await this.saveResource(resource);

    this.emit('resource:scaled', { resource, scalingConfig });
    this.logger.info(`Resource scaled: ${resource.name} (${resourceId})`);
  }

  async deleteResource(resourceId: string, userId: string = 'system'): Promise<void> {
    const resource = this.resources.get(resourceId);
    if (!resource) {
      throw new Error(`Resource not found: ${resourceId}`);
    }

    // Update status to indicate deletion in progress
    resource.status = 'terminated';
    resource.updatedAt = new Date();

    this.addAuditEntry(resource, userId, 'resource_deleted', 'resource', {
      resourceId,
      resourceName: resource.name,
    });

    // Perform cloud provider cleanup
    await this.deprovisionResource(resource);

    this.resources.delete(resourceId);

    this.emit('resource:deleted', { resourceId, resource });
    this.logger.info(`Resource deleted: ${resource.name} (${resourceId})`);
  }

  // Private helper methods
  private async loadConfigurations(): Promise<void> {
    try {
      // Load providers
      const providerFiles = await readdir(join(this.cloudPath, 'providers'));
      for (const file of providerFiles.filter((f) => f.endsWith('.json'))) {
        const content = await readFile(join(this.cloudPath, 'providers', file), 'utf-8');
        const provider: CloudProvider = JSON.parse(content);
        this.providers.set(provider.id, provider);
      }

      // Load resources
      const resourceFiles = await readdir(join(this.cloudPath, 'resources'));
      for (const file of resourceFiles.filter((f) => f.endsWith('.json'))) {
        const content = await readFile(join(this.cloudPath, 'resources', file), 'utf-8');
        const resource: CloudResource = JSON.parse(content);
        this.resources.set(resource.id, resource);
      }

      // Load infrastructures
      const infraFiles = await readdir(join(this.cloudPath, 'infrastructures'));
      for (const file of infraFiles.filter((f) => f.endsWith('.json'))) {
        const content = await readFile(join(this.cloudPath, 'infrastructures', file), 'utf-8');
        const infrastructure: CloudInfrastructure = JSON.parse(content);
        this.infrastructures.set(infrastructure.id, infrastructure);
      }

      this.logger.info(
        `Loaded ${this.providers.size} providers, ${this.resources.size} resources, ${this.infrastructures.size} infrastructures`,
      );
    } catch (error) {
      this.logger.warn('Failed to load some cloud configurations', { error });
    }
  }

  private async initializeDefaultProviders(): Promise<void> {
    const defaultProviders = [
      {
        name: 'AWS',
        type: 'aws' as const,
        configuration: {
          defaultRegion: 'us-east-1',
          availableRegions: ['us-east-1', 'us-west-2', 'eu-west-1', 'ap-southeast-1'],
          services: ['ec2', 's3', 'rds', 'lambda', 'ecs', 'eks'],
          endpoints: {
            ec2: 'https://ec2.amazonaws.com',
            s3: 'https://s3.amazonaws.com',
            rds: 'https://rds.amazonaws.com',
          },
          features: ['auto-scaling', 'load-balancing', 'monitoring', 'backup'],
        },
        pricing: {
          currency: 'USD',
          computePerHour: 0.1,
          storagePerGB: 0.023,
          bandwidthPerGB: 0.09,
          requestsPer1000: 0.0004,
        },
      },
      {
        name: 'Google Cloud Platform',
        type: 'gcp' as const,
        configuration: {
          defaultRegion: 'us-central1',
          availableRegions: ['us-central1', 'us-east1', 'europe-west1', 'asia-east1'],
          services: ['compute', 'storage', 'sql', 'functions', 'gke'],
          endpoints: {
            compute: 'https://compute.googleapis.com',
            storage: 'https://storage.googleapis.com',
            sql: 'https://sqladmin.googleapis.com',
          },
          features: ['auto-scaling', 'load-balancing', 'monitoring', 'backup'],
        },
        pricing: {
          currency: 'USD',
          computePerHour: 0.095,
          storagePerGB: 0.02,
          bandwidthPerGB: 0.08,
          requestsPer1000: 0.0004,
        },
      },
      {
        name: 'Microsoft Azure',
        type: 'azure' as const,
        configuration: {
          defaultRegion: 'East US',
          availableRegions: ['East US', 'West US 2', 'West Europe', 'Southeast Asia'],
          services: ['virtual-machines', 'storage', 'sql-database', 'functions', 'aks'],
          endpoints: {
            compute: 'https://management.azure.com',
            storage: 'https://management.azure.com',
            sql: 'https://management.azure.com',
          },
          features: ['auto-scaling', 'load-balancing', 'monitoring', 'backup'],
        },
        pricing: {
          currency: 'USD',
          computePerHour: 0.096,
          storagePerGB: 0.024,
          bandwidthPerGB: 0.087,
          requestsPer1000: 0.0004,
        },
      },
    ];

    for (const providerData of defaultProviders) {
      if (!Array.from(this.providers.values()).some((p) => p.name === providerData.name)) {
        const provider: CloudProvider = {
          id: `provider-${Date.now()}-${Math.random().toString(36).substr(2, 9)}`,
          name: providerData.name,
          type: providerData.type,
          credentials: {},
          configuration: providerData.configuration,
          status: 'inactive',
          quotas: {
            computeInstances: 20,
            storage: 1000,
            bandwidth: 1000,
            requests: 1000000,
          },
          pricing: providerData.pricing,
          createdAt: new Date(),
          updatedAt: new Date(),
        };

        this.providers.set(provider.id, provider);
        await this.saveProvider(provider);
      }
    }
  }

  private async validateProviderCredentials(provider: CloudProvider): Promise<boolean> {
    // Implement credential validation logic for each provider type
    switch (provider.type) {
      case 'aws':
        return this.validateAWSCredentials(provider);
      case 'gcp':
        return this.validateGCPCredentials(provider);
      case 'azure':
        return this.validateAzureCredentials(provider);
      default:
        return true; // Assume valid for custom providers
    }
  }

  private async validateAWSCredentials(provider: CloudProvider): Promise<boolean> {
    // Implement AWS credential validation
    // This would typically involve making a simple API call like ListRegions
    return true; // Simplified for now
  }

  private async validateGCPCredentials(provider: CloudProvider): Promise<boolean> {
    // Implement GCP credential validation
    // This would typically involve making a simple API call like listing projects
    return true; // Simplified for now
  }

  private async validateAzureCredentials(provider: CloudProvider): Promise<boolean> {
    // Implement Azure credential validation
    // This would typically involve making a simple API call like listing subscriptions
    return true; // Simplified for now
  }

  private calculateResourceCost(provider: CloudProvider, type: string, size: string): number {
    const baseHourlyRate = provider.pricing.computePerHour;

    const sizeMultipliers: Record<string, number> = {
      nano: 0.5,
      micro: 0.75,
      small: 1.0,
      medium: 2.0,
      large: 4.0,
      xlarge: 8.0,
      '2xlarge': 16.0,
      '4xlarge': 32.0,
    };

    const typeMultipliers: Record<string, number> = {
      compute: 1.0,
      storage: 0.1,
      database: 1.5,
      cache: 0.8,
      network: 0.3,
      function: 0.01,
    };

    const sizeMultiplier = sizeMultipliers[size] || 1.0;
    const typeMultiplier = typeMultipliers[type] || 1.0;

    return baseHourlyRate * sizeMultiplier * typeMultiplier;
  }

  private async saveProvider(provider: CloudProvider): Promise<void> {
    const filePath = join(this.cloudPath, 'providers', `${provider.id}.json`);
    await writeFile(filePath, JSON.stringify(provider, null, 2));
  }

  private async saveResource(resource: CloudResource): Promise<void> {
    const filePath = join(this.cloudPath, 'resources', `${resource.id}.json`);
    await writeFile(filePath, JSON.stringify(resource, null, 2));
  }

  private async saveInfrastructure(infrastructure: CloudInfrastructure): Promise<void> {
    const filePath = join(this.cloudPath, 'infrastructures', `${infrastructure.id}.json`);
    await writeFile(filePath, JSON.stringify(infrastructure, null, 2));
  }

  private addAuditEntry(
    resource: CloudResource,
    userId: string,
    action: string,
    target: string,
    details: Record<string, any>,
  ): void {
    const entry: CloudAuditEntry = {
      id: `audit-${Date.now()}-${Math.random().toString(36).substr(2, 9)}`,
      timestamp: new Date(),
      userId,
      action,
      resource: target,
      details,
    };

    resource.auditLog.push(entry);
  }

  private async provisionResource(resource: CloudResource): Promise<void> {
    try {
      this.logger.info(`Provisioning resource: ${resource.name}`);

      // Simulate provisioning process
      resource.status = 'running';
      resource.updatedAt = new Date();

      // Update performance metrics
      resource.performance.cpu = Math.random() * 50 + 20; // 20-70%
      resource.performance.memory = Math.random() * 60 + 30; // 30-90%
      resource.performance.storage = Math.random() * 80 + 10; // 10-90%
      resource.performance.network = Math.random() * 100; // 0-100 Mbps

      await this.saveResource(resource);

      this.emit('resource:provisioned', resource);
      this.logger.info(`Resource provisioned successfully: ${resource.name}`);
    } catch (error) {
      resource.status = 'error';
      resource.updatedAt = new Date();
      await this.saveResource(resource);

      this.emit('resource:provision_failed', { resource, error });
      this.logger.error(`Resource provisioning failed: ${resource.name}`, { error });
      throw error;
    }
  }

  private async deprovisionResource(resource: CloudResource): Promise<void> {
    try {
      this.logger.info(`Deprovisioning resource: ${resource.name}`);

      // Implement cloud provider-specific deprovisioning logic
      // This would typically involve API calls to delete the resource

      this.emit('resource:deprovisioned', resource);
      this.logger.info(`Resource deprovisioned successfully: ${resource.name}`);
    } catch (error) {
      this.emit('resource:deprovision_failed', { resource, error });
      this.logger.error(`Resource deprovisioning failed: ${resource.name}`, { error });
      throw error;
    }
  }

  private async executeInfrastructureDeployment(
    infrastructure: CloudInfrastructure,
  ): Promise<void> {
    switch (infrastructure.deployment.strategy) {
      case 'terraform':
        await this.deployWithTerraform(infrastructure);
        break;
      case 'cloudformation':
        await this.deployWithCloudFormation(infrastructure);
        break;
      case 'kubernetes':
        await this.deployWithKubernetes(infrastructure);
        break;
      default:
        await this.deployWithCustomStrategy(infrastructure);
    }
  }

  private async deployWithTerraform(infrastructure: CloudInfrastructure): Promise<void> {
    // Implement Terraform deployment logic
    this.logger.info(`Deploying infrastructure with Terraform: ${infrastructure.name}`);

    // This would typically:
    // 1. Generate Terraform configuration from template
    // 2. Run terraform init
    // 3. Run terraform plan
    // 4. Run terraform apply

    // Simulate deployment
    await new Promise((resolve) => setTimeout(resolve, 2000));
  }

  private async deployWithCloudFormation(infrastructure: CloudInfrastructure): Promise<void> {
    // Implement CloudFormation deployment logic
    this.logger.info(`Deploying infrastructure with CloudFormation: ${infrastructure.name}`);

    // This would typically:
    // 1. Upload template to S3
    // 2. Create or update CloudFormation stack
    // 3. Monitor stack events
    // 4. Wait for completion

    // Simulate deployment
    await new Promise((resolve) => setTimeout(resolve, 2000));
  }

  private async deployWithKubernetes(infrastructure: CloudInfrastructure): Promise<void> {
    // Implement Kubernetes deployment logic
    this.logger.info(`Deploying infrastructure with Kubernetes: ${infrastructure.name}`);

    // This would typically:
    // 1. Generate Kubernetes manifests
    // 2. Apply manifests using kubectl or Kubernetes API
    // 3. Monitor deployment status
    // 4. Wait for all resources to be ready

    // Simulate deployment
    await new Promise((resolve) => setTimeout(resolve, 2000));
  }

  private async deployWithCustomStrategy(infrastructure: CloudInfrastructure): Promise<void> {
    // Implement custom deployment logic
    this.logger.info(`Deploying infrastructure with custom strategy: ${infrastructure.name}`);

    // This would be defined by the user's custom deployment script
    // Simulate deployment
    await new Promise((resolve) => setTimeout(resolve, 2000));
  }
}