// DBIS Omni-Sovereign Settlement Matrix - Merge Service
// State merging across all dimensions

import prisma from '@/shared/database/prisma';
import { v4 as uuidv4 } from 'uuid';
import { ossmMatrixService } from './ossm-matrix.service';


export interface MergeStateRequest {
  matrixId: string;
  realityLayer: string;
  scbLedgers?: Record<string, unknown>;
  cbdcStates?: Record<string, unknown>;
  gqlBlocks?: Record<string, unknown>;
  holographicStates?: Record<string, unknown>;
  temporalPredictions?: Record<string, unknown>;
}

export class OssmMergeService {
  /**
   * Merge states across all dimensions
   * Formula: OSSM_state = MERGE(SCB_ledgers, CBDC_states, GQL_blocks, holographic_states, temporal_predictions)
   */
  async mergeState(request: MergeStateRequest) {
    const matrix = await ossmMatrixService.getMatrix(request.matrixId);
    if (!matrix) {
      throw new Error(`Matrix not found: ${request.matrixId}`);
    }

    const stateId = `RLS-${uuidv4()}`;

    // Perform merge
    const mergedState = {
      scbLedgers: request.scbLedgers || {},
      cbdcStates: request.cbdcStates || {},
      gqlBlocks: request.gqlBlocks || {},
      holographicStates: request.holographicStates || {},
      temporalPredictions: request.temporalPredictions || {},
      mergedAt: new Date().toISOString(),
    };

    const layerState = await prisma.realityLayerState.create({
      data: {
        stateId,
        matrixId: request.matrixId,
        realityLayer: request.realityLayer,
        layerState: mergedState,
        syncStatus: 'synced',
        lastSyncAt: new Date(),
      },
    });

    return layerState;
  }

  /**
   * Get merged state for reality layer
   */
  async getMergedState(matrixId: string, realityLayer: string) {
    return await prisma.realityLayerState.findFirst({
      where: {
        matrixId,
        realityLayer,
      },
      orderBy: { lastSyncAt: 'desc' },
    });
  }

  /**
   * Get all merged states for matrix
   */
  async getMergedStates(matrixId: string) {
    return await prisma.realityLayerState.findMany({
      where: { matrixId },
      orderBy: { lastSyncAt: 'desc' },
    });
  }

  /**
   * Mark state as conflicted
   */
  async markStateConflicted(stateId: string) {
    return await prisma.realityLayerState.update({
      where: { stateId },
      data: {
        syncStatus: 'conflicted',
      },
    });
  }

  /**
   * Resolve conflict
   */
  async resolveConflict(stateId: string, resolvedState: Record<string, unknown>) {
    return await prisma.realityLayerState.update({
      where: { stateId },
      data: {
        syncStatus: 'synced',
        layerState: resolvedState,
        lastSyncAt: new Date(),
      },
    });
  }
}

export const ossmMergeService = new OssmMergeService();

