// Module Generator Service
// Auto-generation of missing modules (create_module(gap_type))

import prisma from '@/shared/database/prisma';
import { v4 as uuidv4 } from 'uuid';
import { logger } from '@/infrastructure/monitoring/logger';


export class ModuleGeneratorService {
  /**
   * Generate module for detected gap
   * create_module(gap_type)
   */
  async generateModule(gapType: string): Promise<string | null> {
    logger.info('Module Generator: Generating module', { gapType });

    // Determine module type and generate accordingly
    let moduleId: string | null = null;

    switch (gapType) {
      case 'multiverse_settlement_layer':
        moduleId = await this.generateMultiverseSettlementLayer();
        break;

      case 'quantum_financial_interface':
        moduleId = await this.generateQuantumFinancialInterface();
        break;

      case 'metaverse_support_tools':
        moduleId = await this.generateMetaverseSupportTools();
        break;

      case 'fx_layer':
        moduleId = await this.generateFxLayer();
        break;

      case 'identity_anchor':
        moduleId = await this.generateIdentityAnchor();
        break;

      case 'qfs_interface':
        moduleId = await this.generateQfsInterface();
        break;

      case 'settlement_layer':
        moduleId = await this.generateSettlementLayer();
        break;

      default:
        logger.warn('Module Generator: Unknown gap type', { gapType });
        return null;
    }

    if (moduleId) {
      // Save generated module record
      await prisma.generated_modules.create({
        data: {
          id: uuidv4(),
          moduleId,
          gapType,
          moduleType: this.getModuleType(gapType),
          status: 'generated',
          createdAt: new Date(),
          updatedAt: new Date(),
        },
      });
    }

    return moduleId;
  }

  /**
   * Generate multiverse settlement layer
   */
  private async generateMultiverseSettlementLayer(): Promise<string> {
    const moduleId = `MODULE-MULTIVERSE-SETTLE-${uuidv4()}`;
    logger.info('Module Generator: Generated multiverse settlement layer', {
      moduleId,
    });
    return moduleId;
  }

  /**
   * Generate quantum financial interface
   */
  private async generateQuantumFinancialInterface(): Promise<string> {
    const moduleId = `MODULE-QFS-INTERFACE-${uuidv4()}`;
    logger.info('Module Generator: Generated quantum financial interface', {
      moduleId,
    });
    return moduleId;
  }

  /**
   * Generate metaverse support tools
   */
  private async generateMetaverseSupportTools(): Promise<string> {
    const moduleId = `MODULE-METAVERSE-TOOLS-${uuidv4()}`;
    logger.info('Module Generator: Generated metaverse support tools', {
      moduleId,
    });
    return moduleId;
  }

  /**
   * Generate FX layer
   */
  private async generateFxLayer(): Promise<string> {
    const moduleId = `MODULE-FX-LAYER-${uuidv4()}`;
    logger.info('Module Generator: Generated FX layer', { moduleId });
    return moduleId;
  }

  /**
   * Generate identity anchor
   */
  private async generateIdentityAnchor(): Promise<string> {
    const moduleId = `MODULE-IDENTITY-ANCHOR-${uuidv4()}`;
    logger.info('Module Generator: Generated identity anchor', { moduleId });
    return moduleId;
  }

  /**
   * Generate QFS interface
   */
  private async generateQfsInterface(): Promise<string> {
    const moduleId = `MODULE-QFS-${uuidv4()}`;
    logger.info('Module Generator: Generated QFS interface', { moduleId });
    return moduleId;
  }

  /**
   * Generate settlement layer
   */
  private async generateSettlementLayer(): Promise<string> {
    const moduleId = `MODULE-SETTLE-LAYER-${uuidv4()}`;
    logger.info('Module Generator: Generated settlement layer', { moduleId });
    return moduleId;
  }

  /**
   * Get module type from gap type
   */
  private getModuleType(gapType: string): string {
    const typeMap: Record<string, string> = {
      multiverse_settlement_layer: 'settlement',
      quantum_financial_interface: 'quantum',
      metaverse_support_tools: 'metaverse',
      fx_layer: 'fx',
      identity_anchor: 'identity',
      qfs_interface: 'quantum',
      settlement_layer: 'settlement',
    };

    return typeMap[gapType] || 'unknown';
  }

  /**
   * Get generated modules
   */
  async getGeneratedModules(gapType?: string) {
    return await prisma.generated_modules.findMany({
      where: gapType ? { gapType } : {},
      orderBy: { createdAt: 'desc' },
    });
  }
}

export const moduleGeneratorService = new ModuleGeneratorService();

