// DCDC Counter-Intrusion Strike Team (CIST)
// Handles high-severity threats, uses deception, honeypots, and trap-ledger systems

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


export interface Honeypot {
  honeypotId: string;
  honeypotType: string;
  location: string;
  status: string;
  captures: number;
}

export interface TrapLedger {
  trapId: string;
  ledgerType: string;
  baitData: Record<string, unknown>;
  status: string;
}

export class DcdcCounterIntrusionService {
  /**
   * Initialize or get CIST division
   */
  async initializeCIST() {
    const existing = await prisma.dcdc_divisions.findFirst({
      where: { divisionType: 'CIST' },
    });

    if (existing) {
      return existing;
    }

    return await prisma.dcdc_divisions.create({
      data: {
        divisionId: `CIST-${uuidv4()}`,
        divisionType: 'CIST',
        divisionName: 'Counter-Intrusion Strike Team',
        description: 'Handles high-severity threats, uses deception, honeypots, and trap-ledger systems',
        status: 'active',
      },
    });
  }

  /**
   * Handle high-severity threat
   */
  async handleHighSeverityThreat(
    incidentId: string,
    threatType: string,
    targetEntities: string[]
  ) {
    const cist = await this.initializeCIST();

    // Create defense action
    const action = await prisma.defense_layer_actions.create({
      data: {
        actionId: `CIST-ACTION-${uuidv4()}`,
        divisionId: cist.id,
        incidentId,
        layer: 'C', // Neutralization layer
        actionType: 'counter_intrusion',
        description: `High-severity threat response: ${threatType}`,
        actionStatus: 'executed',
        metadata: {
          threatType,
          targetEntities,
          cistIntervention: true,
        },
        executedAt: new Date(),
      },
    });

    return action;
  }

  /**
   * Deploy honeypot
   */
  async deployHoneypot(
    honeypotType: string,
    location: string,
    baitConfiguration: Record<string, unknown>
  ): Promise<Honeypot> {
    const cist = await this.initializeCIST();

    const honeypotId = `HONEYPOT-${uuidv4()}`;

    const honeypot: Honeypot = {
      honeypotId,
      honeypotType,
      location,
      status: 'active',
      captures: 0,
    };

    // Store honeypot configuration
    await prisma.defense_layer_actions.create({
      data: {
        actionId: honeypotId,
        divisionId: cist.id,
        layer: 'A', // Detection layer
        actionType: 'honeypot_deployment',
        description: `Deployed ${honeypotType} honeypot at ${location}`,
        actionStatus: 'executed',
        metadata: {
          honeypot,
          baitConfiguration,
        },
        executedAt: new Date(),
      },
    });

    return honeypot;
  }

  /**
   * Create trap ledger
   */
  async createTrapLedger(
    ledgerType: string,
    baitData: Record<string, unknown>
  ): Promise<TrapLedger> {
    const cist = await this.initializeCIST();

    const trapId = `TRAP-${uuidv4()}`;

    const trap: TrapLedger = {
      trapId,
      ledgerType,
      baitData,
      status: 'active',
    };

    // Store trap ledger
    await prisma.defense_layer_actions.create({
      data: {
        actionId: trapId,
        divisionId: cist.id,
        layer: 'A', // Detection layer
        actionType: 'trap_ledger',
        description: `Created trap ledger: ${ledgerType}`,
        actionStatus: 'executed',
        metadata: {
          trap,
        },
        executedAt: new Date(),
      },
    });

    return trap;
  }

  /**
   * Record honeypot capture
   */
  async recordHoneypotCapture(honeypotId: string, captureDetails: Record<string, unknown>) {
    // Update honeypot metadata with capture
    const action = await prisma.defense_layer_actions.findUnique({
      where: { actionId: honeypotId },
    });

    if (!action || action.actionType !== 'honeypot_deployment') {
      throw new Error(`Honeypot not found: ${honeypotId}`);
    }

    const metadata = action.metadata as Record<string, unknown> || {};
    const honeypot = metadata.honeypot as Honeypot;

    honeypot.captures = (honeypot.captures || 0) + 1;

    await prisma.defense_layer_actions.update({
      where: { actionId: honeypotId },
      data: {
        metadata: {
          ...metadata,
          honeypot,
          captures: [
            ...(metadata.captures as any[] || []),
            {
              timestamp: new Date(),
              details: captureDetails,
            },
          ],
        },
      },
    });

    return honeypot;
  }

  /**
   * Get active honeypots
   */
  async getActiveHoneypots() {
    const actions = await prisma.defense_layer_actions.findMany({
      where: {
        actionType: 'honeypot_deployment',
        actionStatus: 'executed',
      },
    });

    return actions
      .map((action) => {
        const metadata = action.metadata as Record<string, unknown> || {};
        return metadata.honeypot as Honeypot | undefined;
      })
      .filter((h): h is Honeypot => h !== undefined && h.status === 'active');
  }

  /**
   * Get active trap ledgers
   */
  async getActiveTrapLedgers() {
    const actions = await prisma.defense_layer_actions.findMany({
      where: {
        actionType: 'trap_ledger',
        actionStatus: 'executed',
      },
    });

    return actions
      .map((action) => {
        const metadata = action.metadata as Record<string, unknown> || {};
        return metadata.trap as TrapLedger | undefined;
      })
      .filter((t): t is TrapLedger => t !== undefined && t.status === 'active');
  }
}

export const dcdcCounterIntrusionService = new DcdcCounterIntrusionService();

