import { Command } from 'commander';
import chalk from 'chalk';
import ora from 'ora';
import { Logger } from '../../utils/logger';

// Import System Integration Components
import { SystemController, SystemControllerConfig } from '../../core/integration/system-controller';
import { CrossComponentCommunication, CrossCommunicationConfig } from '../../core/integration/cross-communication';
import { UnifiedConfigManager, SystemConfig } from '../../core/integration/config-manager';

// Import Production Readiness Components
import { EnterpriseSecurity, SecurityConfig } from '../../core/production/security';
import { SystemReliability, ReliabilityConfig } from '../../core/production/reliability';
import { ProductionMonitoring, MonitoringConfig } from '../../core/production/monitoring';

// Import Testing Components
import { ComprehensiveTestRunner, TestRunnerConfig } from '../../testing/test-runner';

// Import Documentation Components
import { DocumentationGenerator, DocGeneratorConfig } from '../../documentation/documentation-generator';

// Import Deployment Components
import { CiCdPipeline, CiCdConfig } from '../../deployment/ci-cd-pipeline';
import { InfrastructureManager, InfrastructureConfig } from '../../deployment/infrastructure-manager';
import { MonitoringSetup, MonitoringSetupConfig } from '../../deployment/monitoring-setup';

// Import Core Components from previous sprints (for instantiation)
import { SQLiteMemoryCore } from '../../core/sqlite-memory-core';
import { MemoryIntelligence } from '../../core/memory-intelligence';
import { ToolDiscoveryEngine } from '../../core/tool-discovery';
import { ToolExecutor } from '../../core/tool-executor';
import { ToolRegistry } from '../../core/tool-registry';
import { ModelOrchestrator } from '../../integrations/vertex-ai/model-orchestrator';
import { AgentEnhancement } from '../../integrations/vertex-ai/agent-enhancement';
import { DatabaseCoordinator } from '../../integrations/gcp/database-coordinator';
import { ComputeCoordinator } from '../../integrations/gcp/compute-coordinator';
import { CommunicationCoordinator } from '../../integrations/gcp/communication-coordinator';
import { QueenAgent } from '../../core/hive-mind/queen-agent';
import { ByzantineConsensus } from '../../core/hive-mind/consensus';
import { CoordinationEngine } from '../../core/coordination-engine';
import { GcpOperationsSuiteIntegration } from '../../core/performance/gcp-operations-suite-integration';
import { VertexAiPerformanceOptimizer } from '../../core/performance/vertex-ai-performance-optimizer';
import { HookRegistry } from '../../core/hooks/hook-registry';
import { EventTriggers } from '../../core/hooks/event-triggers';
import { WasmNeuralEngine } from '../../core/neural/wasm-engine';
import { NeuralCoordinationModels } from '../../core/neural/coordination-models';
import { WasmPerformanceOptimizer } from '../../core/neural/wasm-optimization';
import { PredictiveCoordinationSystem } from '../../core/advanced-coordination/predictive-system';
import { AdaptiveLoadBalancer } from '../../core/advanced-coordination/adaptive-balancing';
import { CoordinationOptimizer } from '../../core/advanced-coordination/optimization';
import { EventBus } from '../../core/events/event-bus';
import { ReactiveCoordination } from '../../core/events/reactive-coordination';
import { RealTimeMonitoring } from '../../core/events/real-time-monitoring';
import { WasmPerformanceManager } from '../../core/performance/wasm-manager';
import { NeuralPerformanceOptimizer } from '../../core/performance/neural-optimization';
import { SystemOptimizer } from '../../core/optimization/system-optimizer';
import { GcpOptimizer } from '../../core/optimization/gcp-optimizer';
import { NeuralOptimizer } from '../../core/optimization/neural-optimizer';

// Import Validation Components
import { ComponentValidator } from '../../validation/component-validator';
import { IntegrationValidator } from '../../validation/integration-validator';
import { McpVerification } from '../../validation/mcp-verification';
import { E2eWorkflowTester } from '../../validation/e2e-testing';
import { GapAnalyzer } from '../../validation/gap-analysis';

// Import Reporting Components
import { ReportGenerator } from '../../reporting/report-generator';
import { MCPSettingsManager } from '../../core/mcp-settings-manager';

export function registerSystemCommands(program: Command) {
  const systemCommand = program.command('system').description('Manage the entire Gemini-Flow system');

  // --- Initialize Core Components (these would typically be singleton instances) ---
  const logger = new Logger('SystemCLI');
  const unifiedConfigManager = new UnifiedConfigManager();

  // --- Instantiate all necessary components (simplified for CLI context) ---
  // This is a very simplified instantiation. In a real app, this would be managed by a DI container.
  const dbCore = new SQLiteMemoryCore();
  const memoryIntelligence = new MemoryIntelligence(dbCore);
  const toolDiscovery = new ToolDiscoveryEngine();
  const toolRegistry = new ToolRegistry(dbCore);
  const toolExecutor = new ToolExecutor(toolDiscovery);

  const modelOrchestrator = new ModelOrchestrator({ defaultModel: 'gemini-pro', availableModels: [] });
  const agentEnhancement = new AgentEnhancement({ defaultReasoningModel: 'gemini-pro' }, modelOrchestrator);
  const databaseCoordinator = new DatabaseCoordinator({ projectID: 'your-gcp-project-id' });
  const computeCoordinator = new ComputeCoordinator({ projectID: 'your-gcp-project-id' });
  const communicationCoordinator = new CommunicationCoordinator({ projectID: 'your-gcp-project-id', defaultTopic: 'gemini-flow-events' });

  const queenAgent = new QueenAgent({ id: 'queen-001', name: 'HiveQueen', vertexAiModel: 'gemini-pro', firestoreCollection: 'hive_global_state' }, dbCore, memoryIntelligence, toolExecutor, toolRegistry);
  const byzantineConsensus = new ByzantineConsensus({ minParticipants: 3, faultTolerancePercentage: 0.33, timeoutMs: 1000 }, dbCore);
  const coordinationEngine = new CoordinationEngine({ projectID: 'your-gcp-project-id' }, modelOrchestrator, computeCoordinator, communicationCoordinator);

  const gcpOperationsSuiteIntegration = new GcpOperationsSuiteIntegration({ projectID: 'your-gcp-project-id' });
  const vertexAiPerformanceOptimizer = new VertexAiPerformanceOptimizer({ projectID: 'your-gcp-project-id' }, modelOrchestrator);

  const hookRegistry = new HookRegistry();
  const eventTriggers = new EventTriggers({ projectID: 'your-gcp-project-id', pubSubTopic: 'gemini-flow-events' }, hookRegistry);

  const wasmNeuralEngine = new WasmNeuralEngine({ simdEnabled: true, threading: 'multi', memoryLimit: '1GB', optimization: 'speed' });
  const neuralCoordinationModels = new NeuralCoordinationModels({ modelType: 'lstm', modelPath: './models/coordination.wasm' }, wasmNeuralEngine);
  const wasmPerformanceOptimizer = new WasmPerformanceOptimizer({ batchSize: 128, maxWorkers: 4, cacheSize: '100MB' }, wasmNeuralEngine);

  const predictiveCoordinationSystem = new PredictiveCoordinationSystem({ projectID: 'your-gcp-project-id' }, neuralCoordinationModels);
  const adaptiveLoadBalancer = new AdaptiveLoadBalancer({ projectID: 'your-gcp-project-id' }, predictiveCoordinationSystem);
  const coordinationOptimizer = new CoordinationOptimizer({ projectID: 'your-gcp-project-id' }, neuralCoordinationModels, gcpOperationsSuiteIntegration);

  const eventBus = new EventBus({ projectID: 'your-gcp-project-id', defaultTopic: 'gemini-flow-events' }, communicationCoordinator);
  const reactiveCoordination = new ReactiveCoordination({ projectID: 'your-gcp-project-id' }, eventBus, computeCoordinator, coordinationEngine);
  const realTimeMonitoring = new RealTimeMonitoring({ projectID: 'your-gcp-project-id' }, eventBus, gcpOperationsSuiteIntegration);

  const wasmPerformanceManager = new WasmPerformanceManager({ maxWorkers: 4, memoryAllocationStrategy: 'shared' }, wasmNeuralEngine);
  const neuralPerformanceOptimizer = new NeuralPerformanceOptimizer({ projectID: 'your-gcp-project-id' }, neuralCoordinationModels, vertexAiPerformanceOptimizer);

  const systemOptimizer = new SystemOptimizer({ optimizationLevel: 'balanced' }, dbCore, neuralCoordinationModels);
  const gcpOptimizer = new GcpOptimizer({ projectID: 'your-gcp-project-id', targetRegion: 'us-central1' }, vertexAiPerformanceOptimizer, gcpOperationsSuiteIntegration);
  const neuralOptimizer = new NeuralOptimizer({ projectID: 'your-gcp-project-id' }, wasmPerformanceManager, neuralCoordinationModels);

  const systemController = new SystemController({ environment: 'development' });
  const crossCommunication = new CrossComponentCommunication({ projectID: 'your-gcp-project-id' }, eventBus, databaseCoordinator, communicationCoordinator);

  const enterpriseSecurity = new EnterpriseSecurity({ enableEncryption: true, iamIntegration: true, apiRateLimit: 1000 });
  const systemReliability = new SystemReliability({ enableCircuitBreaker: true, defaultRetries: 3, defaultBackoffMs: 1000 });
  const productionMonitoring = new ProductionMonitoring({ projectID: 'your-gcp-project-id', alertingThresholds: { cpu_utilization: 80 } }, gcpOperationsSuiteIntegration, neuralCoordinationModels);

  const comprehensiveTestRunner = new ComprehensiveTestRunner({ testCoverageTarget: 0.95, performanceSlaMs: 100 });
  const documentationGenerator = new DocumentationGenerator({ outputDir: './docs/generated', sourceDirs: { user: './docs/user', developer: './docs/developer', operations: './docs/operations' } });

  const ciCdPipeline = new CiCdPipeline({ environment: 'development', testCoverageThreshold: 0.95 });
  const infrastructureManager = new InfrastructureManager({ projectID: 'your-gcp-project-id', region: 'us-central1', environment: 'development' });
  const monitoringSetup = new MonitoringSetup({ projectID: 'your-gcp-project-id' }, gcpOperationsSuiteIntegration);

  // --- Initialize Validation Components ---
  const componentValidator = new ComponentValidator({});
  const integrationValidator = new IntegrationValidator({});
  const mcpSettingsManager = new MCPSettingsManager();
  const mcpVerification = new McpVerification({ expectedMcpServers: ['Redis', 'Git Tools', 'Puppeteer', 'Sequential Thinking', 'Filesystem', 'GitHub', 'Mem0', 'Supabase', 'mcp-omnisearch'] }, mcpSettingsManager);
  const e2eWorkflowTester = new E2eWorkflowTester({ mcpToolExecutionTargetMs: 100, sqliteOpsPerSecTarget: 396610, hiveCoordinationLatencyTargetMs: 15, neuralProcessingLatencyTargetMs: 100, complexWorkflowLatencyTargetMs: 500, concurrentUsers: 100 });
  const gapAnalyzer = new GapAnalyzer({ claudeFlowFeatureSet: [], performanceTargets: { sqliteOps: 396610, e2eLatency: 500 } });

  // --- Initialize Reporting Components ---
  const reportGenerator = new ReportGenerator({ outputDir: './reports/generated' });


  systemCommand
    .command('status')
    .description('Comprehensive system health and status overview')
    .action(async () => {
      const spinner = ora('Fetching system status...').start();
      try {
        const status = await systemController.getSystemStatus();
        spinner.succeed(chalk.green('System Status:'));
        console.log(chalk.blue('\nOverall System Health:'), status.overall);
        console.log(chalk.blue('\nSubsystem Status:'));
        for (const key in status) {
          if (key !== 'overall') {
            console.log(`  ${key}: ${status[key]}`);
          }
        }
      } catch (error: any) {
        spinner.fail(chalk.red(`Failed to get system status: ${error.message}`));
        process.exit(1);
      }
    });

  systemCommand
    .command('optimize')
    .description('Run full system optimization and tuning')
    .action(async () => {
      const spinner = ora('Running full system optimization...').start();
      try {
        await systemOptimizer.optimizeMemoryUsage();
        await gcpOptimizer.optimizeCost();
        await neuralOptimizer.tuneWasmNeuralPerformance();
        spinner.succeed(chalk.green('Full system optimization complete.'));
      } catch (error: any) {
        spinner.fail(chalk.red(`Failed to optimize system: ${error.message}`));
        process.exit(1);
      }
    });

  systemCommand
    .command('backup')
    .description('Create complete system backup')
    .action(async () => {
      const spinner = ora('Creating complete system backup...').start();
      try {
        const backupLocation = await systemReliability.performBackup('all');
        spinner.succeed(chalk.green(`System backup created at: ${backupLocation}`));
      } catch (error: any) {
        spinner.fail(chalk.red(`Failed to create system backup: ${error.message}`));
        process.exit(1);
      }
    });

  systemCommand
    .command('restore <backupId>')
    .description('Restore system from backup')
    .action(async (backupId: string) => {
      const spinner = ora(`Restoring system from backup ${backupId}...`).start();
      try {
        // Conceptual: This would involve stopping services, restoring data, and restarting.
        await new Promise(resolve => setTimeout(resolve, 5000));
        spinner.succeed(chalk.green(`System restored from backup ${backupId}.`));
      } catch (error: any) {
        spinner.fail(chalk.red(`Failed to restore system: ${error.message}`));
        process.exit(1);
      }
    });

  systemCommand
    .command('deploy <environment>')
    .description('Deploy to production environment')
    .action(async (environment: 'staging' | 'production') => {
      const spinner = ora(`Deploying to ${environment} environment...`).start();
      try {
        await ciCdPipeline.deployApplication(environment);
        spinner.succeed(chalk.green(`Deployment to ${environment} complete.`));
      } catch (error: any) {
        spinner.fail(chalk.red(`Failed to deploy to ${environment}: ${error.message}`));
        process.exit(1);
      }
    });

  systemCommand
    .command('monitor')
    .description('Launch comprehensive monitoring dashboard')
    .action(async () => {
      const spinner = ora('Launching comprehensive monitoring...').start();
      try {
        await productionMonitoring.setupRealtimeAlerting(); // Start alerts
        await productionMonitoring.enablePredictiveMonitoring(); // Start predictive monitoring
        spinner.succeed(chalk.green('Comprehensive monitoring activated. Check logs for alerts.'));
        console.log(chalk.gray('Monitoring will run in the background. Press Ctrl+C to exit.'));
        // Keep process alive
        setInterval(() => {}, 1000 * 60 * 60); // Keep alive for an hour or until killed
      } catch (error: any) {
        spinner.fail(chalk.red(`Failed to launch monitoring: ${error.message}`));
        process.exit(1);
      }
    });

  systemCommand
    .command('test')
    .description('Run complete test suite with reporting')
    .action(async () => {
      const spinner = ora('Running complete test suite...').start();
      try {
        const results = await comprehensiveTestRunner.runAllTests();
        spinner.succeed(chalk.green('Test suite completed.'));
        console.log(chalk.blue('\nTest Results Summary:\n'), results);
      } catch (error: any) {
        spinner.fail(chalk.red(`Test suite failed: ${error.message}`));
        process.exit(1);
      }
    });
}