import { SchemaManager } from 'blockchainsql-schema';

// Initialize the schema manager
const schemaManager = new SchemaManager({
  connection: dbClient,
  schemaName: 'medical_records'
});

// Create a versioned schema change
const migrationPlan = await schemaManager.createMigration({
  name: 'add_patient_consent_fields',
  changes: [
    { 
      type: 'ADD_COLUMN', 
      table: 'patient_records',
      column: { 
        name: 'consent_date', 
        dataType: 'TIMESTAMP',
        nullable: false, 
        defaultValue: 'NOW()' 
      } 
    },
    { 
      type: 'ADD_COLUMN', 
      table: 'patient_records',
      column: { 
        name: 'consent_version', 
        dataType: 'VARCHAR(50)',
        nullable: false, 
        defaultValue: "'v1.0'" 
      } 
    }
  ]
});

import com.blockchainsql.compliance.ComplianceReporter;
import com.blockchainsql.compliance.ReportFormat;
import com.blockchainsql.compliance.ReportCriteria;

// Initialize compliance reporting engine
ComplianceReporter reporter = new ComplianceReporter(connection);

// Generate GDPR compliance report with verification
ReportResult gdprReport = reporter.generateReport(
  new ReportCriteria()
    .withReportType("GDPR_DATA_ACCESS")
    .withSubjectIdentifier("citizen-id-12345")
    .withTimeRange(startDate, endDate)
    .withVerificationLevel(VerificationLevel.FULL)
    .withFormat(ReportFormat.PDF)
);

// Export the verified report
File reportFile = gdprReport.exportToFile("gdpr_compliance_report.pdf");
String verificationUrl = gdprReport.getVerificationUrl();

import { BlockchainSQLEventProcessor } from 'blockchainsql-events';

// Create event processor for real-time data
const eventProcessor = new BlockchainSQLEventProcessor({
  connection: dbClient,
  sourceTable: 'iot_sensor_readings',
  processingOptions: {
    verifyBeforeProcessing: true,
    recordProcessingEvents: true,
    enableRollback: true
  }
});

// Register event handlers
eventProcessor.onData(async (reading) => {
  // Process each sensor reading
  if (reading.temperature > temperatureThreshold ||
      reading.humidity > humidityThreshold) {
    
    // Create alert with verification link
    await alertSystem.createAlert({
      deviceId: reading.device_id,
      alertType: 'THRESHOLD_EXCEEDED',
      readingValues: {
        temperature: reading.temperature,
        humidity: reading.humidity
      },
      verificationData: {
        blockchainRef: reading._blockchainRef,
        blockHeight: reading._blockHeight
      }
    });
  }
});

// Start real-time processing
eventProcessor.start();