// ARI Reflex Layer
import { Prisma } from '@prisma/client';
// Real-time AML/FX adjustments, autonomous sanctions updates, automated rule deployment

import prisma from '@/shared/database/prisma';
import { v4 as uuidv4 } from 'uuid';
import { logger } from '@/infrastructure/monitoring/logger';
import { ariCortexService } from './ari-cortex.service';


export interface ReflexAction {
  actionType: string;
  targetSystem: string;
  actionData: Record<string, unknown>;
}

export class AriReflexService {
  /**
   * Real-time AML rule adjustment
   */
  async adjustAmlRules(sovereignBankId: string, riskLevel: 'low' | 'medium' | 'high' | 'critical'): Promise<void> {
    // Get current AML policy
    const currentPolicy = await prisma.ari_policies.findFirst({
      where: {
        policyType: 'aml',
        status: 'active',
        layer: 'reflex',
      },
      orderBy: { effectiveDate: 'desc' },
    });

    if (!currentPolicy) {
      // Create new policy if none exists
      await ariCortexService.generatePolicy({
        policyType: 'aml',
        targetSystem: 'gase',
      });
      return;
    }

    // Adjust rules based on risk level
    const adjustedRules = this.adjustAmlRulesByRisk(
      currentPolicy.policyRules as unknown as Record<string, unknown>,
      riskLevel
    );

    // Create policy update
    await prisma.ari_policy_updates.create({
      data: {
        id: uuidv4(),
        updateId: `ARI-UPDATE-${uuidv4()}`,
        policyId: currentPolicy.policyId,
        updateType: 'modification',
        previousRules: currentPolicy.policyRules as Prisma.InputJsonValue,
        newRules: adjustedRules as Prisma.InputJsonValue,
        reason: `Automatic AML rule adjustment due to ${riskLevel} risk level`,
        updatedBy: 'ari',
        status: 'approved', // Auto-approved for reflex layer
        createdAt: new Date(),
        updatedAt: new Date(),
      },
    });

    // Update policy
    await prisma.ari_policies.update({
      where: { policyId: currentPolicy.policyId },
      data: {
        policyRules: adjustedRules as Prisma.InputJsonValue,
        updatedAt: new Date(),
      },
    });

    logger.info('ARI Reflex: AML rules adjusted', {
      sovereignBankId,
      riskLevel,
    });
  }

  /**
   * Real-time FX band adjustment
   */
  async adjustFxBand(sovereignBankId: string, fxShockProbability: number): Promise<void> {
    if (fxShockProbability > 0.35) {
      // Tighten FX band
      const currentPolicy = await prisma.ari_policies.findFirst({
        where: {
          policyType: 'fx_risk',
          status: 'active',
          layer: 'reflex',
        },
        orderBy: { effectiveDate: 'desc' },
      });

      if (currentPolicy) {
        const rules = currentPolicy.policyRules as unknown as Record<string, unknown>;
        const newBandWidth = (rules.bandWidth as number) * 0.5; // Reduce by 50%

        await prisma.ari_policy_updates.create({
          data: {
            id: uuidv4(),
            updateId: `ARI-UPDATE-${uuidv4()}`,
            policyId: currentPolicy.policyId,
            updateType: 'modification',
            previousRules: currentPolicy.policyRules as Prisma.InputJsonValue,
            newRules: {
              ...rules,
              bandWidth: newBandWidth,
            } as Prisma.InputJsonValue,
            reason: `FX band tightened due to high shock probability: ${fxShockProbability}`,
            updatedBy: 'ari',
            status: 'approved',
            createdAt: new Date(),
            updatedAt: new Date(),
        },
        });

        await prisma.ari_policies.update({
          where: { policyId: currentPolicy.policyId },
          data: {
            policyRules: {
              ...rules,
              bandWidth: newBandWidth,
            } as Prisma.InputJsonValue,
          },
        });

        logger.info('ARI Reflex: FX band tightened', {
          sovereignBankId,
          fxShockProbability,
          newBandWidth,
        });
      }
    }
  }

  /**
   * Autonomous sanctions update
   */
  async updateSanctions(sanctionsData: Record<string, unknown>): Promise<void> {
    const currentPolicy = await prisma.ari_policies.findFirst({
      where: {
        policyType: 'sanctions',
        status: 'active',
        layer: 'reflex',
      },
      orderBy: { effectiveDate: 'desc' },
    });

    if (currentPolicy) {
      await prisma.ari_policy_updates.create({
        data: {
          id: uuidv4(),
          updateId: `ARI-UPDATE-${uuidv4()}`,
          policyId: currentPolicy.policyId,
          updateType: 'modification',
          previousRules: currentPolicy.policyRules as Prisma.InputJsonValue,
          newRules: {
            ...(currentPolicy.policyRules as unknown as Record<string, unknown>),
            sanctionsList: sanctionsData,
            lastUpdate: new Date().toISOString(),
          } as Prisma.InputJsonValue,
          reason: 'Autonomous sanctions list update',
          updatedBy: 'ari',
          status: 'approved',
          createdAt: new Date(),
          updatedAt: new Date(),
        },
      });

      await prisma.ari_policies.update({
        where: { policyId: currentPolicy.policyId },
        data: {
          policyRules: {
            ...(currentPolicy.policyRules as unknown as Record<string, unknown>),
            sanctionsList: sanctionsData,
            lastUpdate: new Date().toISOString(),
          } as Prisma.InputJsonValue,
        },
      });

      logger.info('ARI Reflex: Sanctions updated', { sanctionsData });
    }
  }

  /**
   * Adjust AML rules by risk level
   */
  private adjustAmlRulesByRisk(
    currentRules: Record<string, unknown>,
    riskLevel: 'low' | 'medium' | 'high' | 'critical'
  ): Record<string, unknown> {
    const multipliers = {
      low: 0.5,
      medium: 1.0,
      high: 1.5,
      critical: 2.0,
    };

    const multiplier = multipliers[riskLevel];

    return {
      ...currentRules,
      velocityThreshold: (currentRules.velocityThreshold as number) * multiplier,
      transactionLimit: (currentRules.transactionLimit as number) * multiplier,
      alertLevel: riskLevel,
    };
  }
}

export const ariReflexService = new AriReflexService();

