class SmallWorkspaceManager {
    constructor() {
        this.sharedResources = true;
        this.simplifiedFeatures = [
            'basic_messaging',
            'file_sharing',
            'simple_search',
            'basic_integrations'
        ];
    }
    
    async optimizeForSmallTeam(workspaceId) {
        return {
            // Use shared database instances
            database: 'shared_cluster',
            
            // Simplified search (PostgreSQL full-text)
            searchEngine: 'postgresql_fts',
            
            // Basic file storage
            fileStorage: {
                provider: 's3',
                tier: 'standard',
                cdn: false // Direct S3 access
            },
            
            // Reduced real-time infrastructure
            websocketServers: 1,
            
            // Basic analytics
            analytics: 'basic_metrics'
        };
    }
}

class EnterpriseWorkspaceManager {
    constructor() {
        this.dedicatedInfrastructure = true;
        this.advancedFeatures = [
            'advanced_search',
            'compliance_tools',
            'custom_integrations',
            'advanced_analytics',
            'data_governance'
        ];
    }
    
    async setupEnterpriseWorkspace(workspaceId) {
        return {
            // Dedicated database cluster
            database: {
                type: 'dedicated_cluster',
                readReplicas: 5,
                sharding: 'enabled'
            },
            
            // Advanced search with dedicated cluster
            searchEngine: {
                type: 'elasticsearch',
                nodes: 9,
                dedicated: true
            },
            
            // Multi-tier file storage
            fileStorage: {
                hot: 's3_standard',
                warm: 's3_ia',
                cold: 's3_glacier',
                cdn: 'cloudfront_premium'
            },
            
            // Dedicated real-time infrastructure
            websocketServers: 20,
            loadBalancer: 'dedicated',
            
            // Advanced compliance and governance
            compliance: {
                dataRetention: 'configurable',
                auditLogging: 'comprehensive',
                encryption: 'end_to_end_optional'
            }
        };
    }
}

class HIPAACompliantWorkspace {
    constructor() {
        this.encryptionLevel = 'end_to_end';
        this.auditLevel = 'comprehensive';
        this.dataRetention = 'configurable';
    }
    
    async setupHIPAAWorkspace(workspaceId) {
        return {
            // Enhanced encryption
            encryption: {
                atRest: 'AES-256',
                inTransit: 'TLS-1.3',
                endToEnd: 'enabled',
                keyManagement: 'hsm'
            },
            
            // Comprehensive audit logging
            auditLogging: {
                allActions: true,
                messageAccess: true,
                fileAccess: true,
                adminActions: true,
                retention: '7_years'
            },
            
            // Access controls
            accessControls: {
                mfa: 'required',
                sessionTimeout: '15_minutes',
                ipWhitelisting: 'enabled',
                deviceManagement: 'required'
            },
            
            // Data handling
            dataHandling: {
                dataClassification: 'automatic',
                dlp: 'enabled',
                dataMinimization: 'enforced',
                rightToBeForgotten: 'supported'
            }
        };
    }
    
    async handlePHIMessage(message) {
        // Detect PHI content
        const phiDetected = await this.detectPHI(message.content);
        
        if (phiDetected.confidence > 0.8) {
            // Apply additional protections
            message.classification = 'PHI';
            message.encryption = 'end_to_end';
            message.accessLog = true;
            message.retention = 'extended';
            
            // Notify compliance team
            await this.notifyCompliance({
                type: 'phi_detected',
                messageId: message.id,
                confidence: phiDetected.confidence
            });
        }
        
        return message;
    }
}

class FinancialServicesWorkspace {
    constructor() {
        this.auditTrail = 'immutable';
        this.dataRetention = 'extended';
        this.accessControls = 'strict';
    }
    
    async setupSOXCompliantWorkspace(workspaceId) {
        return {
            // Immutable audit trail
            auditSystem: {
                storage: 'blockchain_based',
                retention: 'permanent',
                tamperProof: true,
                realTimeMonitoring: true
            },
            
            // Strict access controls
            accessManagement: {
                roleBasedAccess: 'granular',
                segregationOfDuties: 'enforced',
                privilegedAccess: 'monitored',
                accessReviews: 'quarterly'
            },
            
            // Financial data handling
            dataControls: {
                financialDataDetection: 'enabled',
                tradingCommunicationMonitoring: 'active',
                insiderTradingPrevention: 'enabled',
                recordKeeping: 'comprehensive'
            }
        };
    }
}

class GovernmentWorkspace {
    constructor() {
        this.securityLevel = 'high';
        this.dataResidency = 'us_only';
        this.backgroundChecks = 'required';
    }
    
    async setupFedRAMPWorkspace(workspaceId) {
        return {
            // Infrastructure requirements
            infrastructure: {
                dataResidency: 'us_gov_cloud',
                personnelScreening: 'required',
                physicalSecurity: 'enhanced',
                networkSegmentation: 'strict'
            },
            
            // Security controls
            securityControls: {
                encryptionStandard: 'fips_140_2',
                accessControls: 'cac_piv_required',
                incidentResponse: 'automated',
                vulnerabilityScanning: 'continuous'
            },
            
            // Compliance monitoring
            compliance: {
                continuousMonitoring: 'enabled',
                securityAssessment: 'annual',
                controlTesting: 'automated',
                reportGeneration: 'automated'
            }
        };
    }
}

class MobileOptimizedWorkspace {
    constructor() {
        this.primaryPlatform = 'mobile';
        this.dataUsageOptimization = true;
        this.offlineSupport = 'enhanced';
    }
    
    async optimizeForMobile(workspaceId) {
        return {
            // Data usage optimization
            dataOptimization: {
                imageCompression: 'aggressive',
                videoTranscoding: 'mobile_optimized',
                messagePreloading: 'intelligent',
                backgroundSync: 'wifi_only'
            },
            
            // Offline capabilities
            offlineSupport: {
                messageCache: '1000_recent',
                fileCache: '100mb',
                searchIndex: 'local',
                syncStrategy: 'differential'
            },
            
            // Battery optimization
            batteryOptimization: {
                websocketHeartbeat: 'adaptive',
                backgroundProcessing: 'minimal',
                pushNotifications: 'batched',
                locationServices: 'disabled'
            },
            
            // Mobile-specific features
            mobileFeatures: {
                voiceMessages: 'enabled',
                quickActions: 'enabled',
                gestureNavigation: 'enabled',
                darkMode: 'automatic'
            }
        };
    }
}

class DesktopOptimizedWorkspace {
    constructor() {
        this.primaryPlatform = 'desktop';
        this.productivityFeatures = 'advanced';
        this.keyboardShortcuts = 'comprehensive';
    }
    
    async optimizeForDesktop(workspaceId) {
        return {
            // Productivity features
            productivityTools: {
                multiWindowSupport: 'enabled',
                keyboardShortcuts: 'comprehensive',
                dragAndDrop: 'advanced',
                clipboardIntegration: 'enabled'
            },
            
            // Advanced UI features
            uiFeatures: {
                sidebarCustomization: 'enabled',
                themeCustomization: 'advanced',
                fontSizeScaling: 'enabled',
                multiMonitorSupport: 'enabled'
            },
            
            // Integration features
            integrations: {
                osNotifications: 'rich',
                systemTrayIntegration: 'enabled',
                fileSystemAccess: 'enabled',
                calendarIntegration: 'deep'
            }
        };
    }
}

class AIEnhancedWorkspace {
    constructor() {
        this.aiServices = {
            messageAnalysis: new MessageAnalysisService(),
            smartSuggestions: new SmartSuggestionsService(),
            contentModeration: new ContentModerationService(),
            languageTranslation: new TranslationService()
        };
    }
    
    async processMessageWithAI(message) {
        const enhancements = {};
        
        // Smart reply suggestions
        if (message.isDirectMessage) {
            enhancements.suggestedReplies = await this.aiServices.smartSuggestions
                .generateReplies(message.content, message.context);
        }
        
        // Sentiment analysis
        enhancements.sentiment = await this.aiServices.messageAnalysis
            .analyzeSentiment(message.content);
        
        // Auto-translation
        if (message.language !== 'en') {
            enhancements.translation = await this.aiServices.languageTranslation
                .translate(message.content, 'en');
        }
        
        // Content moderation
        const moderationResult = await this.aiServices.contentModeration
            .analyzeContent(message.content);
        
        if (moderationResult.flagged) {
            enhancements.moderationFlag = {
                reason: moderationResult.reason,
                confidence: moderationResult.confidence,
                action: moderationResult.suggestedAction
            };
        }
        
        // Smart mentions
        enhancements.suggestedMentions = await this.aiServices.smartSuggestions
            .suggestMentions(message.content, message.channelId);
        
        return { ...message, aiEnhancements: enhancements };
    }
    
    async generateMeetingSummary(channelId, timeRange) {
        const messages = await this.getMessagesInRange(channelId, timeRange);
        
        return await this.aiServices.messageAnalysis.generateSummary({
            messages: messages,
            summaryType: 'meeting',
            includeActionItems: true,
            includeDecisions: true,
            includeParticipants: true
        });
    }
}

class AdvancedSearchWorkspace {
    constructor() {
        this.semanticSearch = new SemanticSearchEngine();
        this.knowledgeGraph = new KnowledgeGraphService();
        this.contentRecommendation = new ContentRecommendationEngine();
    }
    
    async performSemanticSearch(query, userId, workspaceId) {
        // Convert query to vector embedding
        const queryEmbedding = await this.semanticSearch.embed(query);
        
        // Search across different content types
        const results = await Promise.all([
            this.searchMessages(queryEmbedding, workspaceId),
            this.searchFiles(queryEmbedding, workspaceId),
            this.searchPeople(queryEmbedding, workspaceId),
            this.searchChannels(queryEmbedding, workspaceId)
        ]);
        
        // Combine and rank results
        const combinedResults = this.combineSearchResults(results);
        
        // Personalize based on user context
        const personalizedResults = await this.personalizeResults(
            combinedResults, 
            userId
        );
        
        return personalizedResults;
    }
    
    async buildKnowledgeGraph(workspaceId) {
        // Extract entities and relationships from messages
        const messages = await this.getAllMessages(workspaceId);
        
        for (const message of messages) {
            const entities = await this.extractEntities(message.content);
            const relationships = await this.extractRelationships(message.content);
            
            await this.knowledgeGraph.addEntities(entities);
            await this.knowledgeGraph.addRelationships(relationships);
        }
        
        // Build topic clusters
        const topics = await this.knowledgeGraph.identifyTopics();
        
        return {
            entities: await this.knowledgeGraph.getEntities(),
            relationships: await this.knowledgeGraph.getRelationships(),
            topics: topics
        };
    }
}

class WorkflowAutomationWorkspace {
    constructor() {
        this.workflowEngine = new WorkflowEngine();
        this.triggerManager = new TriggerManager();
        this.actionExecutor = new ActionExecutor();
    }
    
    async createWorkflow(workspaceId, workflowDefinition) {
        const workflow = {
            id: this.generateWorkflowId(),
            workspaceId: workspaceId,
            name: workflowDefinition.name,
            description: workflowDefinition.description,
            triggers: workflowDefinition.triggers,
            conditions: workflowDefinition.conditions,
            actions: workflowDefinition.actions,
            isActive: true,
            createdAt: new Date()
        };
        
        // Register triggers
        for (const trigger of workflow.triggers) {
            await this.triggerManager.registerTrigger(workflow.id, trigger);
        }
        
        await this.workflowEngine.saveWorkflow(workflow);
        
        return workflow;
    }
    
    async executeWorkflow(workflowId, triggerData) {
        const workflow = await this.workflowEngine.getWorkflow(workflowId);
        
        if (!workflow.isActive) {
            return { status: 'skipped', reason: 'workflow_inactive' };
        }
        
        // Evaluate conditions
        const conditionsMet = await this.evaluateConditions(
            workflow.conditions, 
            triggerData
        );
        
        if (!conditionsMet) {
            return { status: 'skipped', reason: 'conditions_not_met' };
        }
        
        // Execute actions
        const results = [];
        for (const action of workflow.actions) {
            try {
                const result = await this.actionExecutor.execute(action, triggerData);
                results.push({ action: action.type, status: 'success', result });
            } catch (error) {
                results.push({ action: action.type, status: 'error', error: error.message });
            }
        }
        
        return { status: 'completed', results };
    }
    
    // Example workflow: Auto-create channels for new projects
    async createProjectChannelWorkflow() {
        return await this.createWorkflow('workspace_id', {
            name: 'Auto-create Project Channels',
            description: 'Automatically create channels when project keywords are mentioned',
            triggers: [
                {
                    type: 'message_sent',
                    conditions: {
                        content_contains: ['new project', 'project kickoff'],
                        channel_type: 'public'
                    }
                }
            ],
            conditions: [
                {
                    type: 'user_role',
                    operator: 'in',
                    values: ['admin', 'project_manager']
                }
            ],
            actions: [
                {
                    type: 'create_channel',
                    parameters: {
                        name: '{{extracted_project_name}}',
                        description: 'Auto-created for {{extracted_project_name}}',
                        type: 'public'
                    }
                },
                {
                    type: 'send_message',
                    parameters: {
                        channel: '{{new_channel_id}}',
                        content: 'Welcome to the {{extracted_project_name}} project channel!'
                    }
                }
            ]
        });
    }
}

class DeveloperIntegrationSuite {
    constructor() {
        this.integrations = {
            github: new GitHubIntegration(),
            jira: new JiraIntegration(),
            jenkins: new JenkinsIntegration(),
            docker: new DockerIntegration(),
            aws: new AWSIntegration()
        };
    }
    
    async setupDeveloperWorkspace(workspaceId) {
        // GitHub integration for code discussions
        await this.integrations.github.setup({
            webhooks: ['push', 'pull_request', 'issues'],
            channels: {
                'commits': '#dev-commits',
                'pull_requests': '#code-review',
                'issues': '#bug-reports'
            },
            notifications: {
                mentions: true,
                reviews: true,
                deployments: true
            }
        });
        
        // CI/CD pipeline integration
        await this.integrations.jenkins.setup({
            buildNotifications: '#deployments',
            failureAlerts: '#dev-alerts',
            deploymentStatus: '#releases'
        });
        
        // Issue tracking integration
        await this.integrations.jira.setup({
            ticketUpdates: '#project-updates',
            sprintPlanning: '#planning',
            bugReports: '#bug-triage'
        });
        
        return {
            codeReview: 'integrated',
            cicdPipeline: 'monitored',
            issueTracking: 'synchronized',
            deploymentAlerts: 'enabled'
        };
    }
}

class SalesMarketingIntegrationSuite {
    constructor() {
        this.integrations = {
            salesforce: new SalesforceIntegration(),
            hubspot: new HubSpotIntegration(),
            mailchimp: new MailchimpIntegration(),
            calendly: new CalendlyIntegration()
        };
    }
    
    async setupSalesWorkspace(workspaceId) {
        // CRM integration for deal updates
        await this.integrations.salesforce.setup({
            dealUpdates: '#sales-pipeline',
            leadNotifications: '#new-leads',
            meetingReminders: '#sales-calendar'
        });
        
        // Marketing automation
        await this.integrations.hubspot.setup({
            campaignResults: '#marketing-results',
            leadScoring: '#qualified-leads',
            contentPerformance: '#content-analytics'
        });
        
        return {
            crmSync: 'enabled',
            leadTracking: 'automated',
            campaignMonitoring: 'active',
            salesPipeline: 'visible'
        };
    }
}

class ProductivityAnalytics {
    constructor() {
        this.metricsCollector = new MetricsCollector();
        this.insightsEngine = new InsightsEngine();
        this.reportGenerator = new ReportGenerator();
    }
    
    async generateTeamProductivityReport(workspaceId, timeRange) {
        const metrics = await this.metricsCollector.collect(workspaceId, timeRange);
        
        return {
            // Communication patterns
            communicationMetrics: {
                messagesPerDay: metrics.totalMessages / timeRange.days,
                responseTime: metrics.averageResponseTime,
                activeHours: metrics.peakActivityHours,
                channelUtilization: metrics.channelActivity
            },
            
            // Collaboration insights
            collaborationInsights: {
                crossTeamInteractions: metrics.crossTeamMessages,
                knowledgeSharing: metrics.fileShares + metrics.linkShares,
                meetingEfficiency: metrics.meetingToMessageRatio,
                documentCollaboration: metrics.collaborativeEdits
            },
            
            // Team health indicators
            teamHealth: {
                participationBalance: metrics.messageDistribution,
                burnoutIndicators: metrics.afterHoursActivity,
                engagementScore: metrics.reactionUsage + metrics.threadParticipation,
                workLifeBalance: metrics.weekendActivity
            },
            
            // Recommendations
            recommendations: await this.insightsEngine.generateRecommendations(metrics)
        };
    }
}

class ComplianceAnalytics {
    constructor() {
        this.auditTracker = new AuditTracker();
        this.riskAssessment = new RiskAssessmentEngine();
        this.complianceReporter = new ComplianceReporter();
    }
    
    async generateComplianceReport(workspaceId, timeRange) {
        const auditData = await this.auditTracker.getAuditData(workspaceId, timeRange);
        
        return {
            // Access patterns
            accessAnalysis: {
                privilegedAccess: auditData.adminActions,
                dataAccess: auditData.fileAccesses,
                unusualPatterns: auditData.anomalousActivity,
                failedAttempts: auditData.failedLogins
            },
            
            // Data governance
            dataGovernance: {
                dataClassification: auditData.classifiedData,
                retentionCompliance: auditData.retentionStatus,
                dataMovement: auditData.dataTransfers,
                deletionRequests: auditData.dataErasure
            },
            
            // Risk indicators
            riskAssessment: await this.riskAssessment.analyze({
                sensitiveDataExposure: auditData.sensitiveDataShares,
                externalSharing: auditData.externalShares,
                policyViolations: auditData.policyBreaches,
                securityIncidents: auditData.securityEvents
            }),
            
            // Compliance status
            complianceStatus: {
                gdprCompliance: auditData.gdprMetrics,
                hipaaCompliance: auditData.hipaaMetrics,
                soxCompliance: auditData.soxMetrics,
                customPolicies: auditData.customPolicyMetrics
            }
        };
    }
}