// MRLI Interface Service
// CI, DLI, QLI, SI connection management

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


export interface CreateLedgerRequest {
  ledgerName: string;
  ledgerType: string; // classical, distributed, quantum, simulation
}

export interface CreateCIRequest {
  ledgerId: string;
  connectionType: string; // sql, nosql, dbms
  connectionString: string;
}

export interface CreateDLIRequest {
  ledgerId: string;
  ledgerType: string; // tokenized_asset, security_token_platform
  chainId?: string;
}

export interface CreateQLIRequest {
  ledgerId: string;
  gqlStateAccess?: boolean;
}

export interface CreateSIRequest {
  ledgerId: string;
  simulationType: string; // ai_economic_simulation, hypothetical_ledger_state
}

export interface InterfaceResult {
  interfaceId: string;
  status: string;
}

export class MrliInterfaceService {
  /**
   * Create multi-reality ledger
   */
  async createLedger(request: CreateLedgerRequest) {
    const ledgerId = `MRLI-${uuidv4()}`;

    const ledger = await prisma.multiRealityLedger.create({
      data: {
        ledgerId,
        ledgerName: request.ledgerName,
        ledgerType: request.ledgerType,
        status: 'active',
      },
    });

    return ledger;
  }

  /**
   * Create classical interface
   */
  async createCI(request: CreateCIRequest): Promise<InterfaceResult> {
    const interfaceId = `MRLI-CI-${uuidv4()}`;

    const ci = await prisma.classicalInterface.create({
      data: {
        interfaceId,
        ledgerId: request.ledgerId,
        connectionType: request.connectionType,
        connectionString: request.connectionString,
        status: 'active',
      },
    });

    return {
      interfaceId: ci.interfaceId,
      status: ci.status,
    };
  }

  /**
   * Create distributed ledger interface
   */
  async createDLI(request: CreateDLIRequest): Promise<InterfaceResult> {
    const interfaceId = `MRLI-DLI-${uuidv4()}`;

    const dli = await prisma.distributedLedgerInterface.create({
      data: {
        interfaceId,
        ledgerId: request.ledgerId,
        ledgerType: request.ledgerType,
        chainId: request.chainId || null,
        status: 'active',
      },
    });

    return {
      interfaceId: dli.interfaceId,
      status: dli.status,
    };
  }

  /**
   * Create quantum ledger interface
   */
  async createQLI(request: CreateQLIRequest): Promise<InterfaceResult> {
    const interfaceId = `MRLI-QLI-${uuidv4()}`;

    const qli = await prisma.quantumLedgerInterface.create({
      data: {
        interfaceId,
        ledgerId: request.ledgerId,
        gqlStateAccess: request.gqlStateAccess ?? true,
        status: 'active',
      },
    });

    return {
      interfaceId: qli.interfaceId,
      status: qli.status,
    };
  }

  /**
   * Create simulation interface
   */
  async createSI(request: CreateSIRequest): Promise<InterfaceResult> {
    const interfaceId = `MRLI-SI-${uuidv4()}`;

    const si = await prisma.simulationInterface.create({
      data: {
        interfaceId,
        ledgerId: request.ledgerId,
        simulationType: request.simulationType,
        status: 'active',
      },
    });

    return {
      interfaceId: si.interfaceId,
      status: si.status,
    };
  }

  /**
   * Get ledger
   */
  async getLedger(ledgerId: string) {
    return await prisma.multiRealityLedger.findUnique({
      where: { ledgerId },
      include: {
        interfaces: true,
        dltInterfaces: true,
        quantumInterfaces: true,
        simInterfaces: true,
        synchronizations: {
          orderBy: { createdAt: 'desc' },
          take: 10,
        },
      },
    });
  }

  /**
   * List ledgers
   */
  async listLedgers(ledgerType?: string) {
    return await prisma.multiRealityLedger.findMany({
      where: ledgerType ? { ledgerType } : undefined,
      orderBy: { createdAt: 'desc' },
    });
  }
}

export const mrliInterfaceService = new MrliInterfaceService();

