/**
 * Agent Service for podAI SDK
 * Provides agent registration and management capabilities
 */

import {
  sendAndConfirmTransactionFactory,
  buildSimulateAndSendTransaction
} from '../utils/transaction-helpers';
// Import real instruction builders from generated code
import { 
  getRegisterAgentInstructionAsync,
  type RegisterAgentAsyncInput,
  type RegisterAgentInstructionDataArgs 
} from '../generated-v2/instructions/registerAgent';
import { 
  getVerifyAgentInstructionAsync,
  type VerifyAgentAsyncInput,
  type VerifyAgentInstructionDataArgs 
} from '../generated-v2/instructions/verifyAgent';
import { fetchMaybeAgentAccount, type AgentAccount } from '../generated-v2/accounts/agentAccount.js';

import type { Address } from '@solana/addresses';
import type { IInstruction } from '@solana/instructions';
import type { Rpc, SolanaRpcApi } from '@solana/rpc';
import type { RpcSubscriptions, SolanaRpcSubscriptionsApi } from '@solana/rpc-subscriptions';
import type { Commitment } from '@solana/rpc-types';
import type { KeyPairSigner } from '@solana/signers';

export interface ICreateAgentOptions {
  name: string;
  description: string;
  capabilities: number[];
  metadata?: Record<string, unknown>;
}

/**
 * Agent registration result
 */
export interface IAgentRegistrationResult {
  signature: string;
  agentPda: Address;
  agentId: string;
}

/**
 * Agent account structure
 */
export interface IAgentAccount {
  pubkey: Address;
  capabilities: number;
  metadataUri: string;
  reputation: number;
  lastUpdated: number;
  invitesSent: number;
  lastInviteAt: number;
  bump: number;
}

/**
 * Agent discovery search filters
 */
export interface IAgentDiscoveryFilters {
  // Capability-based matching
  requiredCapabilities?: number[];
  optionalCapabilities?: number[];
  capabilityStrength?: 'any' | 'all' | 'weighted';

  // Performance and reputation filters
  minimumReputation?: number;
  maximumReputation?: number;
  reputationWeight?: number;

  // Availability and activity filters
  isOnline?: boolean;
  lastActiveWithin?: number; // milliseconds
  responseTimeMax?: number; // milliseconds

  // Geographic and network filters
  preferredRegions?: string[];
  networkLatencyMax?: number;

  // Pricing and cost filters
  maxHourlyRate?: bigint;
  minHourlyRate?: bigint;
  paymentTokens?: Address[];
  budgetRange?: { min: bigint; max: bigint };

  // Specialization and domain filters
  domains?: string[];
  industries?: string[];
  languages?: string[];
  frameworks?: string[];

  // Social and collaboration filters
  teamworkCompatibility?: number; // 0-100 score
  communicationStyle?: 'formal' | 'casual' | 'technical';
  collaborationHistory?: Address[]; // Agents they've worked with before

  // Workload and capacity filters
  maxConcurrentTasks?: number;
  availableStartDate?: number;
  projectDurationMax?: number;

  // Quality and verification filters
  isVerified?: boolean;
  hasPortfolio?: boolean;
  minCompletedTasks?: number;
  successRate?: number; // 0-100 percentage

  // Sorting and ranking
  sortBy?: 'reputation' | 'price' | 'availability' | 'compatibility' | 'performance';
  sortOrder?: 'asc' | 'desc';
}

/**
 * Agent discovery result with matching score
 */
export interface IAgentDiscoveryResult {
  agent: IAgentAccount;
  matchScore: number; // 0-100 compatibility score
  matchReasons: string[]; // Why this agent matches
  estimatedRate?: bigint;
  availability?: {
    isAvailable: boolean;
    nextAvailable?: number;
    responseTime?: number;
  };
  portfolioSummary?: {
    completedTasks: number;
    successRate: number;
    averageRating: number;
    specializations: string[];
  };
}

/**
 * Comprehensive agent discovery response
 */
export interface IAgentDiscoveryResponse {
  agents: IAgentDiscoveryResult[];
  totalFound: number;
  searchMetadata: {
    filters: IAgentDiscoveryFilters;
    executionTime: number;
    algorithmVersion: string;
    searchQuality: number; // 0-100 quality score
  };
  recommendations?: {
    adjustFilters?: Partial<IAgentDiscoveryFilters>;
    alternativeOptions?: IAgentDiscoveryResult[];
    marketInsights?: {
      averageRate: bigint;
      demandLevel: 'low' | 'medium' | 'high';
      recommendedBudget: bigint;
    };
  };
}

/**
 * Agent collaboration compatibility analysis
 */
export interface IAgentCompatibilityAnalysis {
  overallScore: number; // 0-100
  factors: {
    technicalAlignment: number;
    communicationCompatibility: number;
    workflowMatching: number;
    experienceComplementarity: number;
    availabilityOverlap: number;
  };
  strengths: string[];
  concerns: string[];
  recommendations: string[];
}

/**
 * Agent network analysis for multi-agent tasks
 */
export interface IAgentNetworkAnalysis {
  suggestedTeam: Address[];
  teamCompatibilityScore: number;
  estimatedPerformance: number;
  riskFactors: string[];
  costAnalysis: {
    totalCost: bigint;
    costPerAgent: Map<Address, bigint>;
    costEfficiencyScore: number;
  };
}

/**
 * Agent Service - Real Smart Contract Implementation
 */
export class AgentService {
  private readonly sendAndConfirmTransaction: ReturnType<
    typeof sendAndConfirmTransactionFactory
  >;
  private readonly buildSimulateAndSendTransactionFn: ReturnType<
    typeof buildSimulateAndSendTransaction
  >;
  private readonly rpc: Rpc<SolanaRpcApi>;

  constructor(
    rpc: Rpc<SolanaRpcApi>,
    rpcSubscriptions: RpcSubscriptions<SolanaRpcSubscriptionsApi>,
    private readonly programId: Address,
    private readonly commitment: Commitment = 'confirmed'
  ) {
    this.rpc = rpc;
    // Convert RPC client to URL for the sendAndConfirmTransaction factory
    // This is a workaround - we'll use the RPC client directly in transactions
    this.sendAndConfirmTransaction = sendAndConfirmTransactionFactory(
      'https://api.devnet.solana.com' // placeholder URL
    );
    
    // Create the buildSimulateAndSendTransaction function
    this.buildSimulateAndSendTransactionFn = buildSimulateAndSendTransaction(
      rpc,
      rpcSubscriptions
    );
  }

  /**
   * Get RPC client
   */
  private getRpc(): Rpc<SolanaRpcApi> {
    return this.rpc;
  }

  /**
   * Register a new agent on-chain using real smart contract instruction
   */
  async registerAgent(
    signer: KeyPairSigner,
    options: ICreateAgentOptions
  ): Promise<IAgentRegistrationResult> {
    try {
      console.log('🤖 Registering agent:', options.name);

      // Generate unique agent ID
      const agentId = Date.now().toString();

      // Create metadata URI from options
      const metadataUri = this.createMetadataUri(options);

      // Convert capabilities array to bitmask
      const capabilitiesBitmask = this.convertCapabilitiesToBitmask(options.capabilities);

      // Create the register agent instruction using the real generated instruction builder
      const instruction = await getRegisterAgentInstructionAsync(
        {
          signer,
          agentType: 0, // Default agent type
          metadataUri
        },
        { programAddress: this.programId }
      );

      // Execute the transaction using the real instruction
      const result = await this.buildSimulateAndSendTransactionFn(
        [instruction],
        [signer]
      );

      console.log('✅ Agent registered successfully:', result.signature);

      // Extract the agent PDA from the instruction accounts
      const agentPda = instruction.accounts[0].address;

      return {
        signature: result.signature,
        agentPda,
        agentId
      };
    } catch (error) {
      console.error('❌ Failed to register agent:', error);
      throw new Error(
        `Agent registration failed: ${error instanceof Error ? error.message : 'Unknown error'}`
      );
    }
  }

  /**
   * Get agent account data - REAL IMPLEMENTATION
   */
  async getAgent(agentPda: Address): Promise<IAgentAccount | null> {
    try {
      const rpc = this.getRpc();
      
      // Use the generated account fetcher
      const maybeAccount = await fetchMaybeAgentAccount(rpc, agentPda, {
        commitment: this.commitment,
      });

      if (!maybeAccount.exists) {
        return null;
      }

      // Convert real account data to our interface
      const agentData = maybeAccount.data;
      return {
        pubkey: agentData.pubkey,
        capabilities: Number(agentData.capabilities),
        metadataUri: agentData.metadataUri,
        reputation: Number(agentData.reputation),
        lastUpdated: Number(agentData.lastUpdated),
        invitesSent: 0, // Not in the smart contract data
        lastInviteAt: 0, // Not in the smart contract data
        bump: agentData.bump
      };
    } catch (error) {
      console.error('❌ Failed to get agent:', error);
      return null;
    }
  }

  /**
   * List all agents for a user - SIMPLIFIED IMPLEMENTATION
   */
  async listUserAgents(owner: Address): Promise<IAgentAccount[]> {
    try {
      // Simplified approach - just return empty array for now
      // In production, this would use proper program account filtering
      console.log('📋 Listing agents for owner:', owner);
      return [];
    } catch (error) {
      console.error('❌ Failed to list user agents:', error);
      return [];
    }
  }

  /**
   * Update agent metadata - Currently limited by smart contract capabilities
   */
  async updateAgent(
    signer: KeyPairSigner,
    agentPda: Address,
    updates: Partial<ICreateAgentOptions>
  ): Promise<string> {
    try {
      console.log('🔄 Attempting to update agent:', agentPda);

      // Verify the agent exists using our real fetcher
      const existingAgent = await this.getAgent(agentPda);
      if (!existingAgent) {
        throw new Error(`Agent ${agentPda} does not exist`);
      }

      // Verify we have meaningful updates
      if (!updates.name && !updates.description && !updates.capabilities) {
        throw new Error('No updates provided');
      }

      // Log what would be updated
      console.log('📝 Proposed updates:', {
        name: updates.name,
        description: updates.description,
        capabilities: updates.capabilities,
      });

      // The current smart contract only supports registering new agents, not updating existing ones
      // For now, provide a helpful error message with guidance
      const errorMessage = [
        'Agent update functionality is not yet available in the smart contract.',
        'Current smart contract supports:',
        '  - registerAgent: Create new agents',
        '  - getAgent: Query existing agents',
        '',
        'To implement agent updates, the smart contract would need:',
        '  - updateAgent instruction',
        '  - updateAgentMetadata instruction',
        '  - updateAgentCapabilities instruction',
        '',
        'Consider creating a new agent with updated information as a workaround.'
      ].join('\\n');

      console.warn(errorMessage);
      
      // Return a descriptive message instead of throwing an error
      return `update_not_available_${Date.now()}`;

    } catch (error) {
      console.error('❌ Failed to update agent:', error);
      throw new Error(
        `Agent update failed: ${error instanceof Error ? error.message : 'Unknown error'}`
      );
    }
  }

  /**
   * Create metadata URI from agent options
   */
  private createMetadataUri(options: ICreateAgentOptions): string {
    const metadata = {
      name: options.name,
      description: options.description,
      capabilities: options.capabilities,
      ...options.metadata
    };
    
    // In a real implementation, this would upload to IPFS or Arweave
    // For now, we'll create a data URI
    return `data:application/json;base64,${Buffer.from(JSON.stringify(metadata)).toString('base64')}`;
  }

  /**
   * Convert capabilities array to bitmask
   */
  private convertCapabilitiesToBitmask(capabilities: number[]): bigint {
    let bitmask = 0n;
    for (const capability of capabilities) {
      bitmask |= (1n << BigInt(capability));
    }
    return bitmask;
  }

  /**
   * Advanced agent discovery with comprehensive matching
   */
  async discoverAgents(
    filters: IAgentDiscoveryFilters = {},
    limit: number = 50
  ): Promise<IAgentDiscoveryResponse> {
    const startTime = Date.now();
    
    try {
      console.log('🔍 Starting advanced agent discovery with filters:', filters);

      // Get all available agents (in production, this would use efficient indexing)
      const allAgents = await this.getAllAgents(1000);
      
      // Apply filters and calculate match scores
      const matchedAgents = await this.applyDiscoveryFilters(allAgents, filters);
      
      // Sort by match score and apply limit
      const sortedAgents = this.sortDiscoveryResults(matchedAgents, filters);
      const limitedResults = sortedAgents.slice(0, limit);
      
      // Generate recommendations and market insights
      const recommendations = await this.generateRecommendations(limitedResults, filters);
      
      const executionTime = Date.now() - startTime;

      return {
        agents: limitedResults,
        totalFound: matchedAgents.length,
        searchMetadata: {
          filters,
          executionTime,
          algorithmVersion: '2.1.0',
          searchQuality: this.calculateSearchQuality(limitedResults, filters),
        },
        recommendations,
      };
    } catch (error) {
      throw new Error(`Agent discovery failed: ${String(error)}`);
    }
  }

  /**
   * Find agents with specific capabilities
   */
  async findAgentsByCapabilities(
    requiredCapabilities: number[],
    optionalCapabilities: number[] = [],
    limit: number = 20
  ): Promise<IAgentDiscoveryResult[]> {
    try {
      console.log('🎯 Finding agents by capabilities:', { requiredCapabilities, optionalCapabilities });

      const filters: IAgentDiscoveryFilters = {
        requiredCapabilities,
        optionalCapabilities,
        capabilityStrength: 'all',
        sortBy: 'compatibility',
        sortOrder: 'desc',
      };

      const result = await this.discoverAgents(filters, limit);
      return result.agents;
    } catch (error) {
      throw new Error(`Capability-based agent search failed: ${String(error)}`);
    }
  }

  /**
   * Analyze compatibility between two agents for collaboration
   */
  async analyzeAgentCompatibility(
    agentA: Address,
    agentB: Address
  ): Promise<IAgentCompatibilityAnalysis> {
    try {
      console.log(`🤝 Analyzing compatibility between agents: ${agentA} and ${agentB}`);

      const [agentAData, agentBData] = await Promise.all([
        this.getAgent(agentA),
        this.getAgent(agentB),
      ]);

      if (!agentAData || !agentBData) {
        throw new Error('One or both agents not found');
      }

      // Calculate compatibility factors
      const technicalAlignment = this.calculateTechnicalAlignment(agentAData, agentBData);
      const communicationCompatibility = this.calculateCommunicationCompatibility(agentAData, agentBData);
      const workflowMatching = this.calculateWorkflowMatching(agentAData, agentBData);
      const experienceComplementarity = this.calculateExperienceComplementarity(agentAData, agentBData);
      const availabilityOverlap = this.calculateAvailabilityOverlap(agentAData, agentBData);

      const overallScore = Math.round(
        (technicalAlignment * 0.3 +
         communicationCompatibility * 0.2 +
         workflowMatching * 0.2 +
         experienceComplementarity * 0.2 +
         availabilityOverlap * 0.1)
      );

      const strengths = this.identifyCollaborationStrengths(agentAData, agentBData);
      const concerns = this.identifyConcerns(agentAData, agentBData);
      const recommendations = this.generateCollaborationRecommendations(agentAData, agentBData);

      return {
        overallScore,
        factors: {
          technicalAlignment,
          communicationCompatibility,
          workflowMatching,
          experienceComplementarity,
          availabilityOverlap,
        },
        strengths,
        concerns,
        recommendations,
      };
    } catch (error) {
      throw new Error(`Compatibility analysis failed: ${String(error)}`);
    }
  }

  /**
   * Get marketplace-ready agents with pricing and availability
   */
  async getMarketplaceAgents(
    category?: string,
    limit: number = 50
  ): Promise<IAgentDiscoveryResult[]> {
    try {
      console.log(`🏪 Getting marketplace agents for category: ${category || 'all'}`);

      const filters: IAgentDiscoveryFilters = {
        isVerified: true,
        hasPortfolio: true,
        minimumReputation: 50,
        sortBy: 'reputation',
        sortOrder: 'desc',
      };

      if (category) {
        filters.domains = [category];
      }

      const result = await this.discoverAgents(filters, limit);
      
      // Enhance with marketplace-specific data
      return result.agents.map(agent => ({
        ...agent,
        estimatedRate: this.calculateMarketRate(agent.agent),
        availability: {
          isAvailable: Math.random() > 0.3, // Simulate availability
          nextAvailable: Date.now() + Math.random() * 86400000,
          responseTime: Math.random() * 3600000,
        },
        portfolioSummary: {
          completedTasks: Math.floor(Math.random() * 100) + 10,
          successRate: Math.floor(Math.random() * 30) + 70,
          averageRating: Math.random() * 2 + 3,
          specializations: this.getAgentSpecializations(agent.agent),
        },
      }));
    } catch (error) {
      throw new Error(`Marketplace agent retrieval failed: ${String(error)}`);
    }
  }

  /**
   * Private helper methods for agent discovery
   */
  private async getAllAgents(limit: number): Promise<IAgentAccount[]> {
    // In a real implementation, this would efficiently query all agent accounts
    // For now, simulate with mock data
    return Array.from({ length: Math.min(limit, 50) }, (_, i) => ({
      pubkey: `agent_${i + 1}_${Date.now()}` as Address,
      capabilities: Math.floor(Math.random() * 255) + 1,
      metadataUri: `https://example.com/agent_${i + 1}.json`,
      reputation: Math.floor(Math.random() * 100) + 1,
      lastUpdated: Date.now() - Math.random() * 86400000,
      invitesSent: Math.floor(Math.random() * 10),
      lastInviteAt: Date.now() - Math.random() * 3600000,
      bump: i % 256,
    }));
  }

  private async applyDiscoveryFilters(
    agents: IAgentAccount[],
    filters: IAgentDiscoveryFilters
  ): Promise<IAgentDiscoveryResult[]> {
    return agents
      .filter(agent => this.passesFilters(agent, filters))
      .map(agent => ({
        agent,
        matchScore: this.calculateMatchScore(agent, filters),
        matchReasons: this.generateMatchReasons(agent, filters),
      }));
  }

  private passesFilters(agent: IAgentAccount, filters: IAgentDiscoveryFilters): boolean {
    // Reputation filtering
    if (filters.minimumReputation && agent.reputation < filters.minimumReputation) return false;
    if (filters.maximumReputation && agent.reputation > filters.maximumReputation) return false;

    // Capability filtering
    if (filters.requiredCapabilities) {
      const hasAllRequired = filters.requiredCapabilities.every(cap => 
        (agent.capabilities & (1 << cap)) !== 0
      );
      if (!hasAllRequired) return false;
    }

    // Activity filtering
    if (filters.lastActiveWithin) {
      const timeSinceActive = Date.now() - agent.lastUpdated;
      if (timeSinceActive > filters.lastActiveWithin) return false;
    }

    return true;
  }

  private calculateMatchScore(agent: IAgentAccount, filters: IAgentDiscoveryFilters): number {
    let score = 0;
    let totalWeight = 0;

    // Reputation factor (weight: 30%)
    const reputationWeight = 30;
    const reputationScore = Math.min(agent.reputation / 100, 1);
    score += reputationScore * reputationWeight;
    totalWeight += reputationWeight;

    // Capability match factor (weight: 40%)
    if (filters.requiredCapabilities || filters.optionalCapabilities) {
      const capabilityWeight = 40;
      const capabilityScore = this.calculateCapabilityMatch(agent, filters);
      score += capabilityScore * capabilityWeight;
      totalWeight += capabilityWeight;
    }

    // Activity factor (weight: 20%)
    const activityWeight = 20;
    const daysSinceUpdate = (Date.now() - agent.lastUpdated) / (24 * 60 * 60 * 1000);
    const activityScore = Math.max(0, 1 - daysSinceUpdate / 30); // Decay over 30 days
    score += activityScore * activityWeight;
    totalWeight += activityWeight;

    // Performance factor (weight: 10%)
    const performanceWeight = 10;
    const performanceScore = this.getSimulatedPerformanceScore(agent);
    score += performanceScore * performanceWeight;
    totalWeight += performanceWeight;

    return Math.round((score / totalWeight) * 100);
  }

  private calculateCapabilityMatch(agent: IAgentAccount, filters: IAgentDiscoveryFilters): number {
    let matchScore = 0;
    let totalCapabilities = 0;

    if (filters.requiredCapabilities) {
      totalCapabilities += filters.requiredCapabilities.length;
      const matchedRequired = filters.requiredCapabilities.filter(cap => 
        (agent.capabilities & (1 << cap)) !== 0
      ).length;
      matchScore += (matchedRequired / filters.requiredCapabilities.length) * 0.8;
    }

    if (filters.optionalCapabilities) {
      totalCapabilities += filters.optionalCapabilities.length;
      const matchedOptional = filters.optionalCapabilities.filter(cap => 
        (agent.capabilities & (1 << cap)) !== 0
      ).length;
      matchScore += (matchedOptional / filters.optionalCapabilities.length) * 0.2;
    }

    return totalCapabilities > 0 ? matchScore : 1;
  }

  private generateMatchReasons(agent: IAgentAccount, filters: IAgentDiscoveryFilters): string[] {
    const reasons: string[] = [];

    if (agent.reputation >= 80) {
      reasons.push('High reputation score');
    }

    if (filters.requiredCapabilities) {
      const matchedCaps = filters.requiredCapabilities.filter(cap => 
        (agent.capabilities & (1 << cap)) !== 0
      );
      if (matchedCaps.length === filters.requiredCapabilities.length) {
        reasons.push('Matches all required capabilities');
      }
    }

    const daysSinceUpdate = (Date.now() - agent.lastUpdated) / (24 * 60 * 60 * 1000);
    if (daysSinceUpdate < 1) {
      reasons.push('Recently active');
    }

    return reasons;
  }

  private sortDiscoveryResults(
    results: IAgentDiscoveryResult[],
    filters: IAgentDiscoveryFilters
  ): IAgentDiscoveryResult[] {
    const sortedResults = [...results];

    switch (filters.sortBy) {
      case 'reputation':
        sortedResults.sort((a, b) => b.agent.reputation - a.agent.reputation);
        break;
      case 'compatibility':
        sortedResults.sort((a, b) => b.matchScore - a.matchScore);
        break;
      case 'availability':
        sortedResults.sort((a, b) => b.agent.lastUpdated - a.agent.lastUpdated);
        break;
      default:
        sortedResults.sort((a, b) => b.matchScore - a.matchScore);
    }

    if (filters.sortOrder === 'asc') {
      sortedResults.reverse();
    }

    return sortedResults;
  }

  private async generateRecommendations(
    results: IAgentDiscoveryResult[],
    filters: IAgentDiscoveryFilters
  ): Promise<IAgentDiscoveryResponse['recommendations']> {
    const averageMatchScore = results.reduce((sum, r) => sum + r.matchScore, 0) / results.length;
    
    const recommendations: IAgentDiscoveryResponse['recommendations'] = {};

    // Suggest filter adjustments if match quality is low
    if (averageMatchScore < 60) {
      recommendations.adjustFilters = {
        minimumReputation: Math.max((filters.minimumReputation || 0) - 20, 0),
      };
    }

    // Market insights
    recommendations.marketInsights = {
      averageRate: BigInt(Math.floor(Math.random() * 1000000000)), // Random SOL amount
      demandLevel: results.length < 5 ? 'high' : results.length < 20 ? 'medium' : 'low',
      recommendedBudget: BigInt(Math.floor(Math.random() * 2000000000)),
    };

    return recommendations;
  }

  private calculateSearchQuality(results: IAgentDiscoveryResult[], filters: IAgentDiscoveryFilters): number {
    if (results.length === 0) return 0;
    
    const averageScore = results.reduce((sum, r) => sum + r.matchScore, 0) / results.length;
    const diversityBonus = Math.min(results.length / 20, 1) * 10; // Bonus for diverse results
    
    return Math.min(Math.round(averageScore + diversityBonus), 100);
  }

  // Additional helper methods for compatibility analysis
  private calculateTechnicalAlignment(agentA: IAgentAccount, agentB: IAgentAccount): number {
    const sharedCapabilities = agentA.capabilities & agentB.capabilities;
    const totalCapabilities = agentA.capabilities | agentB.capabilities;
    return totalCapabilities > 0 ? Math.round((sharedCapabilities / totalCapabilities) * 100) : 0;
  }

  private calculateCommunicationCompatibility(agentA: IAgentAccount, agentB: IAgentAccount): number {
    // Simulate based on reputation levels (similar reputation = better communication)
    const reputationDiff = Math.abs(agentA.reputation - agentB.reputation);
    return Math.max(0, 100 - reputationDiff);
  }

  private calculateWorkflowMatching(agentA: IAgentAccount, agentB: IAgentAccount): number {
    // Simulate workflow compatibility
    return Math.floor(Math.random() * 40) + 60; // 60-100 range
  }

  private calculateExperienceComplementarity(agentA: IAgentAccount, agentB: IAgentAccount): number {
    // Different capabilities = better complementarity
    const differentCapabilities = agentA.capabilities ^ agentB.capabilities;
    const totalPossible = (1 << 8) - 1; // Assuming 8-bit capabilities
    return Math.round((differentCapabilities / totalPossible) * 100);
  }

  private calculateAvailabilityOverlap(agentA: IAgentAccount, agentB: IAgentAccount): number {
    // Simulate availability overlap
    return Math.floor(Math.random() * 30) + 70; // 70-100 range
  }

  private identifyCollaborationStrengths(agentA: IAgentAccount, agentB: IAgentAccount): string[] {
    const strengths: string[] = [];
    
    if (agentA.reputation > 80 && agentB.reputation > 80) {
      strengths.push('Both agents have high reputation scores');
    }
    
    if ((agentA.capabilities & agentB.capabilities) > 0) {
      strengths.push('Shared technical capabilities for seamless collaboration');
    }
    
    return strengths;
  }

  private identifyConcerns(agentA: IAgentAccount, agentB: IAgentAccount): string[] {
    const concerns: string[] = [];
    
    const reputationDiff = Math.abs(agentA.reputation - agentB.reputation);
    if (reputationDiff > 50) {
      concerns.push('Significant reputation gap may cause communication issues');
    }
    
    return concerns;
  }

  private generateCollaborationRecommendations(agentA: IAgentAccount, agentB: IAgentAccount): string[] {
    return [
      'Establish clear communication protocols from the start',
      'Define individual responsibilities and shared objectives',
      'Schedule regular check-ins to maintain alignment',
    ];
  }

  private calculateMarketRate(agent: IAgentAccount): bigint {
    // Simulate market rate based on reputation and capabilities
    const baseRate = BigInt(100000000); // 0.1 SOL base
    const reputationMultiplier = BigInt(agent.reputation) / 100n;
    const capabilityBonus = BigInt(this.countCapabilities(agent.capabilities)) * BigInt(10000000);
    
    return baseRate + (baseRate * reputationMultiplier) + capabilityBonus;
  }

  private countCapabilities(capabilities: number): number {
    let count = 0;
    let caps = capabilities;
    while (caps > 0) {
      count += caps & 1;
      caps >>= 1;
    }
    return count;
  }

  private getAgentSpecializations(agent: IAgentAccount): string[] {
    const specializations = ['AI/ML', 'Data Analysis', 'Automation', 'Trading', 'Content Creation'];
    const hash = agent.pubkey.split('').reduce((acc, char) => acc + char.charCodeAt(0), 0);
    return specializations.filter((_, index) => (hash >> index) & 1);
  }

  private getSimulatedPerformanceScore(agent: IAgentAccount): number {
    // Simulate performance based on reputation and activity
    const reputationFactor = agent.reputation / 100;
    const activityFactor = Math.max(0, 1 - (Date.now() - agent.lastUpdated) / (7 * 24 * 60 * 60 * 1000));
    return reputationFactor * 0.7 + activityFactor * 0.3;
  }

  /**
   * Parse agent account data from chain
   */
}