solana-recover 1.1.3

//! # NFT Processing Strategies
//!
//! Pluggable strategy system for customizable NFT processing workflows
//! with support for different performance modes, validation levels, and
//! specialized use cases.

use crate::nft::errors::{NftError, NftResult};
use crate::nft::types::*;
use async_trait::async_trait;
use serde::{Deserialize, Serialize};
use std::collections::HashMap;
use std::sync::Arc;

/// Trait for NFT processing strategies
#[async_trait]
pub trait NftProcessingStrategy: Send + Sync {
    /// Get strategy name
    fn name(&self) -> &str;
    
    /// Get strategy description
    fn description(&self) -> &str;
    
    /// Get strategy priority
    fn priority(&self) -> u8;
    
    /// Check if strategy applies to the given context
    fn applies_to(&self, context: &StrategyContext) -> bool;
    
    /// Execute the strategy
    async fn execute(&self, context: StrategyContext) -> NftResult<StrategyResult>;
    
    /// Get required capabilities
    fn required_capabilities(&self) -> Vec<StrategyCapability>;
    
    /// Get estimated execution time in milliseconds
    fn estimated_execution_time_ms(&self) -> u64;
}

/// Strategy execution context
#[derive(Debug, Clone)]
pub struct StrategyContext {
    /// Wallet address
    pub wallet_address: Option<String>,
    
    /// NFT mint addresses
    pub mint_addresses: Vec<String>,
    
    /// Performance mode
    pub performance_mode: PerformanceMode,
    
    /// Security level
    pub security_level: SecurityLevel,
    
    /// Processing options
    pub options: StrategyOptions,
    
    /// Available resources
    pub resources: ResourceConstraints,
    
    /// Additional metadata
    pub metadata: HashMap<String, serde_json::Value>,
}

/// Strategy execution result
#[derive(Debug, Clone)]
pub struct StrategyResult {
    /// Strategy name
    pub strategy_name: String,
    
    /// Execution status
    pub status: StrategyStatus,
    
    /// Processed NFTs
    pub processed_nfts: Vec<NftInfo>,
    
    /// Generated insights
    pub insights: Vec<StrategyInsight>,
    
    /// Performance metrics
    pub metrics: StrategyMetrics,
    
    /// Execution time in milliseconds
    pub execution_time_ms: u64,
    
    /// Additional result data
    pub additional_data: HashMap<String, serde_json::Value>,
}

/// Strategy execution status
#[derive(Debug, Clone, PartialEq, Eq)]
pub enum StrategyStatus {
    Success,
    PartialSuccess,
    Failure,
    Skipped,
    Timeout,
}

/// Strategy insight
#[derive(Debug, Clone)]
pub struct StrategyInsight {
    /// Insight type
    pub insight_type: String,
    
    /// Insight message
    pub message: String,
    
    /// Confidence score (0-1)
    pub confidence: f64,
    
    /// Related NFT addresses
    pub related_nfts: Vec<String>,
    
    /// Additional data
    pub data: HashMap<String, serde_json::Value>,
}

/// Strategy performance metrics
#[derive(Debug, Clone)]
pub struct StrategyMetrics {
    /// Items processed
    pub items_processed: u64,
    
    /// Items successful
    pub items_successful: u64,
    
    /// Items failed
    pub items_failed: u64,
    
    /// Cache hits
    pub cache_hits: u64,
    
    /// Network requests
    pub network_requests: u64,
    
    /// Memory usage in bytes
    pub memory_usage_bytes: u64,
}

/// Strategy options
#[derive(Debug, Clone)]
pub struct StrategyOptions {
    /// Enable metadata fetching
    pub enable_metadata: bool,
    
    /// Enable valuation
    pub enable_valuation: bool,
    
    /// Enable security validation
    pub enable_security_validation: bool,
    
    /// Enable portfolio analysis
    pub enable_portfolio_analysis: bool,
    
    /// Enable batch processing
    pub enable_batch_processing: bool,
    
    /// Maximum concurrent operations
    pub max_concurrent_operations: Option<usize>,
    
    /// Timeout in seconds
    pub timeout_seconds: Option<u64>,
    
    /// Custom options
    pub custom_options: HashMap<String, serde_json::Value>,
}

impl Default for StrategyOptions {
    fn default() -> Self {
        Self {
            enable_metadata: true,
            enable_valuation: true,
            enable_security_validation: true,
            enable_portfolio_analysis: true,
            enable_batch_processing: true,
            max_concurrent_operations: None,
            timeout_seconds: None,
            custom_options: HashMap::new(),
        }
    }
}

/// Security levels for strategies
#[derive(Debug, Clone, Copy, PartialEq, Eq, PartialOrd, Ord)]
pub enum SecurityLevel {
    Minimal,
    Standard,
    Strict,
    Paranoid,
}

/// Resource constraints
#[derive(Debug, Clone)]
pub struct ResourceConstraints {
    /// Maximum memory usage in MB
    pub max_memory_mb: Option<u64>,
    
    /// Maximum CPU usage percentage
    pub max_cpu_percent: Option<f64>,
    
    /// Maximum network requests per second
    pub max_requests_per_second: Option<u64>,
    
    /// Maximum execution time in seconds
    pub max_execution_time_seconds: Option<u64>,
}

/// Strategy capabilities
#[derive(Debug, Clone, PartialEq, Eq, Hash, Serialize, Deserialize)]
pub enum StrategyCapability {
    MetadataFetching,
    Valuation,
    SecurityValidation,
    PortfolioAnalysis,
    BatchProcessing,
    Caching,
    ParallelProcessing,
    RealTimeProcessing,
}

/// Strategy manager for coordinating multiple strategies
#[derive(Clone)]
pub struct StrategyManager {
    /// Available strategies
    strategies: Vec<Arc<dyn NftProcessingStrategy>>,
    
    /// Strategy registry
    registry: Arc<StrategyRegistry>,
    
    /// Performance metrics
    metrics: Arc<StrategyManagerMetrics>,
}

/// Strategy registry for strategy discovery and management
#[derive(Clone)]
pub struct StrategyRegistry {
    /// Registered strategies
    strategies: Arc<std::sync::RwLock<HashMap<String, Arc<dyn NftProcessingStrategy>>>>,
    
    /// Strategy metadata
    metadata: Arc<std::sync::RwLock<HashMap<String, StrategyMetadata>>>,
}

/// Strategy metadata
#[derive(Debug, Clone, Serialize, Deserialize)]
pub struct StrategyMetadata {
    /// Strategy name
    pub name: String,
    
    /// Strategy description
    pub description: String,
    
    /// Strategy version
    pub version: String,
    
    /// Strategy author
    pub author: String,
    
    /// Strategy tags
    pub tags: Vec<String>,
    
    /// Required capabilities
    pub required_capabilities: Vec<StrategyCapability>,
    
    /// Supported performance modes
    pub supported_performance_modes: Vec<PerformanceMode>,
    
    /// Estimated resource usage
    pub estimated_resource_usage: ResourceUsageEstimate,
}

/// Resource usage estimate
#[derive(Debug, Clone, Serialize, Deserialize)]
pub struct ResourceUsageEstimate {
    /// Memory usage per item in KB
    pub memory_per_item_kb: u64,
    
    /// CPU usage per item in percentage
    pub cpu_per_item_percent: f64,
    
    /// Network requests per item
    pub network_requests_per_item: u64,
    
    /// Execution time per item in milliseconds
    pub execution_time_per_item_ms: u64,
}

/// Strategy manager metrics
#[derive(Debug, Default)]
pub struct StrategyManagerMetrics {
    /// Total strategy executions
    pub total_executions: Arc<std::sync::atomic::AtomicU64>,
    
    /// Successful executions
    pub successful_executions: Arc<std::sync::atomic::AtomicU64>,
    
    /// Failed executions
    pub failed_executions: Arc<std::sync::atomic::AtomicU64>,
    
    /// Average execution time in milliseconds
    pub avg_execution_time_ms: Arc<std::sync::atomic::AtomicU64>,
    
    /// Executions by strategy
    pub executions_by_strategy: Arc<std::sync::RwLock<HashMap<String, u64>>>,
}

// Built-in strategy implementations

/// Ultra-fast processing strategy
pub struct UltraFastStrategy {
    metadata: StrategyMetadata,
}

/// Balanced processing strategy
pub struct BalancedStrategy {
    metadata: StrategyMetadata,
}

/// Thorough processing strategy
pub struct ThoroughStrategy {
    metadata: StrategyMetadata,
}

/// Security-focused strategy
pub struct SecurityFocusedStrategy {
    metadata: StrategyMetadata,
}

/// Valuation-focused strategy
pub struct ValuationFocusedStrategy {
    metadata: StrategyMetadata,
}

/// Custom strategy for specific use cases
pub struct CustomStrategy {
    metadata: StrategyMetadata,
    config: CustomStrategyConfig,
}

/// Custom strategy configuration
#[derive(Debug, Clone)]
pub struct CustomStrategyConfig {
    /// Strategy name
    pub name: String,
    
    /// Processing steps
    pub processing_steps: Vec<ProcessingStep>,
    
    /// Step configuration
    pub step_config: HashMap<String, serde_json::Value>,
    
    /// Error handling
    pub error_handling: ErrorHandlingConfig,
}

/// Processing step
#[derive(Debug, Clone)]
pub struct ProcessingStep {
    /// Step name
    pub name: String,
    
    /// Step type
    pub step_type: ProcessingStepType,
    
    /// Step order
    pub order: u32,
    
    /// Step configuration
    pub config: serde_json::Value,
    
    /// Required capabilities
    pub required_capabilities: Vec<StrategyCapability>,
}

/// Processing step types
#[derive(Debug, Clone)]
pub enum ProcessingStepType {
    MetadataFetch,
    Validation,
    Valuation,
    SecurityCheck,
    PortfolioAnalysis,
    Custom { step_name: String },
}

/// Error handling configuration
#[derive(Debug, Clone)]
pub struct ErrorHandlingConfig {
    /// Continue on error
    pub continue_on_error: bool,
    
    /// Maximum retry attempts
    pub max_retry_attempts: u32,
    
    /// Retry delay in milliseconds
    pub retry_delay_ms: u64,
    
    /// Fallback strategy
    pub fallback_strategy: Option<String>,
}

impl StrategyManager {
    /// Create new strategy manager
    pub fn new() -> Self {
        let registry = Arc::new(StrategyRegistry::new());
        let metrics = Arc::new(StrategyManagerMetrics::default());
        
        let mut manager = Self {
            strategies: Vec::new(),
            registry,
            metrics,
        };
        
        // Register built-in strategies
        manager.register_builtin_strategies();
        manager
    }

    /// Register a new strategy
    pub fn register_strategy(&mut self, strategy: Arc<dyn NftProcessingStrategy>) {
        self.registry.register_strategy(strategy.clone());
        self.strategies.push(strategy);
    }

    /// Execute strategy based on context
    pub async fn execute_strategy(&self, context: StrategyContext) -> NftResult<StrategyResult> {
        let start_time = std::time::Instant::now();
        self.metrics.total_executions.fetch_add(1, std::sync::atomic::Ordering::Relaxed);

        // Find applicable strategies
        let applicable_strategies: Vec<&Arc<dyn NftProcessingStrategy>> = self.strategies
            .iter()
            .filter(|strategy| strategy.applies_to(&context))
            .collect();

        if applicable_strategies.is_empty() {
            return Err(NftError::Strategy {
                message: "No applicable strategies found".to_string(),
                strategy_name: None,
                context: Some(format!("Performance mode: {:?}", context.performance_mode)),
            });
        }

        // Select best strategy (highest priority)
        let best_strategy = applicable_strategies
            .iter()
            .max_by_key(|strategy| strategy.priority())
            .unwrap();

        // Execute the strategy
        let result = best_strategy.execute(context).await;
        
        let execution_time_ms = start_time.elapsed().as_millis() as u64;
        self.metrics.avg_execution_time_ms.fetch_add(execution_time_ms, std::sync::atomic::Ordering::Relaxed);

        match &result {
            Ok(strategy_result) => {
                self.metrics.successful_executions.fetch_add(1, std::sync::atomic::Ordering::Relaxed);
                
                // Update strategy execution count
                if let Ok(mut executions_by_strategy) = self.metrics.executions_by_strategy.write() {
                    *executions_by_strategy.entry(strategy_result.strategy_name.clone()).or_insert(0) += 1;
                }
                
                info!("Strategy '{}' executed successfully in {}ms", best_strategy.name(), execution_time_ms);
            }
            Err(e) => {
                self.metrics.failed_executions.fetch_add(1, std::sync::atomic::Ordering::Relaxed);
                error!("Strategy '{}' execution failed: {}", best_strategy.name(), e);
            }
        }

        result
    }

    /// Get strategy by name
    pub fn get_strategy(&self, name: &str) -> Option<Arc<dyn NftProcessingStrategy>> {
        self.strategies.iter().find(|s| s.name() == name).cloned()
    }

    /// List all available strategies
    pub fn list_strategies(&self) -> Vec<String> {
        self.strategies.iter().map(|s| s.name().to_string()).collect()
    }

    /// Get strategy metadata
    pub async fn get_strategy_metadata(&self, name: &str) -> Option<StrategyMetadata> {
        self.registry.get_metadata(name).await
    }

    /// Get performance metrics
    pub fn get_metrics(&self) -> &StrategyManagerMetrics {
        &self.metrics
    }

    /// Register built-in strategies
    fn register_builtin_strategies(&mut self) {
        // Register ultra-fast strategy
        self.register_strategy(Arc::new(UltraFastStrategy::new()));
        
        // Register balanced strategy
        self.register_strategy(Arc::new(BalancedStrategy::new()));
        
        // Register thorough strategy
        self.register_strategy(Arc::new(ThoroughStrategy::new()));
        
        // Register security-focused strategy
        self.register_strategy(Arc::new(SecurityFocusedStrategy::new()));
        
        // Register valuation-focused strategy
        self.register_strategy(Arc::new(ValuationFocusedStrategy::new()));
    }
}

impl StrategyRegistry {
    /// Create new strategy registry
    pub fn new() -> Self {
        Self {
            strategies: Arc::new(std::sync::RwLock::new(HashMap::new())),
            metadata: Arc::new(std::sync::RwLock::new(HashMap::new())),
        }
    }

    /// Register a strategy
    pub fn register_strategy(&self, strategy: Arc<dyn NftProcessingStrategy>) {
        let name = strategy.name().to_string();
        
        // Create metadata
        let metadata = StrategyMetadata {
            name: name.clone(),
            description: strategy.description().to_string(),
            version: "1.0.0".to_string(),
            author: "Solana Recover".to_string(),
            tags: vec![],
            required_capabilities: strategy.required_capabilities(),
            supported_performance_modes: vec![PerformanceMode::Balanced], // Would be determined by strategy
            estimated_resource_usage: ResourceUsageEstimate {
                memory_per_item_kb: 100,
                cpu_per_item_percent: 5.0,
                network_requests_per_item: 2,
                execution_time_per_item_ms: strategy.estimated_execution_time_ms(),
            },
        };

        // Store strategy and metadata
        if let Ok(mut strategies) = self.strategies.write() {
            strategies.insert(name.clone(), strategy);
        }
        
        if let Ok(mut metadata_map) = self.metadata.write() {
            metadata_map.insert(name, metadata);
        }
    }

    /// Get strategy metadata
    pub async fn get_metadata(&self, name: &str) -> Option<StrategyMetadata> {
        if let Ok(metadata_map) = self.metadata.read() {
            metadata_map.get(name).cloned()
        } else {
            None
        }
    }

    /// List all strategies
    pub async fn list_strategies(&self) -> Vec<String> {
        if let Ok(strategies) = self.strategies.read() {
            strategies.keys().cloned().collect()
        } else {
            vec![]
        }
    }
}

// Implement built-in strategies

impl UltraFastStrategy {
    pub fn new() -> Self {
        Self {
            metadata: StrategyMetadata {
                name: "UltraFast".to_string(),
                description: "Ultra-fast NFT processing with minimal validation".to_string(),
                version: "1.0.0".to_string(),
                author: "Solana Recover".to_string(),
                tags: vec!["fast".to_string(), "minimal".to_string()],
                required_capabilities: vec![StrategyCapability::MetadataFetching],
                supported_performance_modes: vec![PerformanceMode::UltraFast],
                estimated_resource_usage: ResourceUsageEstimate {
                    memory_per_item_kb: 50,
                    cpu_per_item_percent: 2.0,
                    network_requests_per_item: 1,
                    execution_time_per_item_ms: 100,
                },
            },
        }
    }
}

#[async_trait]
impl NftProcessingStrategy for UltraFastStrategy {
    fn name(&self) -> &str {
        &self.metadata.name
    }

    fn description(&self) -> &str {
        &self.metadata.description
    }

    fn priority(&self) -> u8 {
        100 // Highest priority for ultra-fast
    }

    fn applies_to(&self, context: &StrategyContext) -> bool {
        matches!(context.performance_mode, PerformanceMode::UltraFast) &&
        context.security_level == SecurityLevel::Minimal
    }

    async fn execute(&self, context: StrategyContext) -> NftResult<StrategyResult> {
        // Placeholder implementation
        Ok(StrategyResult {
            strategy_name: self.name().to_string(),
            status: StrategyStatus::Success,
            processed_nfts: vec![],
            insights: vec![],
            metrics: StrategyMetrics {
                items_processed: context.mint_addresses.len() as u64,
                items_successful: context.mint_addresses.len() as u64,
                items_failed: 0,
                cache_hits: 0,
                network_requests: context.mint_addresses.len() as u64,
                memory_usage_bytes: 1024 * 1024, // 1MB
            },
            execution_time_ms: 100,
            additional_data: HashMap::new(),
        })
    }

    fn required_capabilities(&self) -> Vec<StrategyCapability> {
        self.metadata.required_capabilities.clone()
    }

    fn estimated_execution_time_ms(&self) -> u64 {
        self.metadata.estimated_resource_usage.execution_time_per_item_ms
    }
}

impl BalancedStrategy {
    pub fn new() -> Self {
        Self {
            metadata: StrategyMetadata {
                name: "Balanced".to_string(),
                description: "Balanced NFT processing with standard validation".to_string(),
                version: "1.0.0".to_string(),
                author: "Solana Recover".to_string(),
                tags: vec!["balanced".to_string(), "standard".to_string()],
                required_capabilities: vec![
                    StrategyCapability::MetadataFetching,
                    StrategyCapability::Valuation,
                    StrategyCapability::SecurityValidation,
                ],
                supported_performance_modes: vec![PerformanceMode::Balanced],
                estimated_resource_usage: ResourceUsageEstimate {
                    memory_per_item_kb: 200,
                    cpu_per_item_percent: 5.0,
                    network_requests_per_item: 3,
                    execution_time_per_item_ms: 500,
                },
            },
        }
    }
}

#[async_trait]
impl NftProcessingStrategy for BalancedStrategy {
    fn name(&self) -> &str {
        &self.metadata.name
    }

    fn description(&self) -> &str {
        &self.metadata.description
    }

    fn priority(&self) -> u8 {
        80
    }

    fn applies_to(&self, context: &StrategyContext) -> bool {
        matches!(context.performance_mode, PerformanceMode::Balanced) &&
        context.security_level == SecurityLevel::Standard
    }

    async fn execute(&self, context: StrategyContext) -> NftResult<StrategyResult> {
        // Placeholder implementation
        Ok(StrategyResult {
            strategy_name: self.name().to_string(),
            status: StrategyStatus::Success,
            processed_nfts: vec![],
            insights: vec![],
            metrics: StrategyMetrics {
                items_processed: context.mint_addresses.len() as u64,
                items_successful: context.mint_addresses.len() as u64,
                items_failed: 0,
                cache_hits: 0,
                network_requests: (context.mint_addresses.len() as u64) * 3,
                memory_usage_bytes: 2 * 1024 * 1024, // 2MB
            },
            execution_time_ms: 500,
            additional_data: HashMap::new(),
        })
    }

    fn required_capabilities(&self) -> Vec<StrategyCapability> {
        self.metadata.required_capabilities.clone()
    }

    fn estimated_execution_time_ms(&self) -> u64 {
        self.metadata.estimated_resource_usage.execution_time_per_item_ms
    }
}

impl ThoroughStrategy {
    pub fn new() -> Self {
        Self {
            metadata: StrategyMetadata {
                name: "Thorough".to_string(),
                description: "Thorough NFT processing with comprehensive analysis".to_string(),
                version: "1.0.0".to_string(),
                author: "Solana Recover".to_string(),
                tags: vec!["thorough".to_string(), "comprehensive".to_string()],
                required_capabilities: vec![
                    StrategyCapability::MetadataFetching,
                    StrategyCapability::Valuation,
                    StrategyCapability::SecurityValidation,
                    StrategyCapability::PortfolioAnalysis,
                ],
                supported_performance_modes: vec![PerformanceMode::Thorough],
                estimated_resource_usage: ResourceUsageEstimate {
                    memory_per_item_kb: 500,
                    cpu_per_item_percent: 10.0,
                    network_requests_per_item: 5,
                    execution_time_per_item_ms: 2000,
                },
            },
        }
    }
}

#[async_trait]
impl NftProcessingStrategy for ThoroughStrategy {
    fn name(&self) -> &str {
        &self.metadata.name
    }

    fn description(&self) -> &str {
        &self.metadata.description
    }

    fn priority(&self) -> u8 {
        60
    }

    fn applies_to(&self, context: &StrategyContext) -> bool {
        matches!(context.performance_mode, PerformanceMode::Thorough) &&
        context.security_level >= SecurityLevel::Strict
    }

    async fn execute(&self, context: StrategyContext) -> NftResult<StrategyResult> {
        // Placeholder implementation
        Ok(StrategyResult {
            strategy_name: self.name().to_string(),
            status: StrategyStatus::Success,
            processed_nfts: vec![],
            insights: vec![],
            metrics: StrategyMetrics {
                items_processed: context.mint_addresses.len() as u64,
                items_successful: context.mint_addresses.len() as u64,
                items_failed: 0,
                cache_hits: 0,
                network_requests: (context.mint_addresses.len() as u64) * 5,
                memory_usage_bytes: 5 * 1024 * 1024, // 5MB
            },
            execution_time_ms: 2000,
            additional_data: HashMap::new(),
        })
    }

    fn required_capabilities(&self) -> Vec<StrategyCapability> {
        self.metadata.required_capabilities.clone()
    }

    fn estimated_execution_time_ms(&self) -> u64 {
        self.metadata.estimated_resource_usage.execution_time_per_item_ms
    }
}

impl SecurityFocusedStrategy {
    pub fn new() -> Self {
        Self {
            metadata: StrategyMetadata {
                name: "SecurityFocused".to_string(),
                description: "Security-focused NFT processing with comprehensive validation".to_string(),
                version: "1.0.0".to_string(),
                author: "Solana Recover".to_string(),
                tags: vec!["security".to_string(), "validation".to_string()],
                required_capabilities: vec![
                    StrategyCapability::MetadataFetching,
                    StrategyCapability::SecurityValidation,
                ],
                supported_performance_modes: vec![PerformanceMode::Balanced, PerformanceMode::Thorough],
                estimated_resource_usage: ResourceUsageEstimate {
                    memory_per_item_kb: 300,
                    cpu_per_item_percent: 8.0,
                    network_requests_per_item: 4,
                    execution_time_per_item_ms: 1500,
                },
            },
        }
    }
}

#[async_trait]
impl NftProcessingStrategy for SecurityFocusedStrategy {
    fn name(&self) -> &str {
        &self.metadata.name
    }

    fn description(&self) -> &str {
        &self.metadata.description
    }

    fn priority(&self) -> u8 {
        90
    }

    fn applies_to(&self, context: &StrategyContext) -> bool {
        context.security_level >= SecurityLevel::Strict &&
        context.options.enable_security_validation
    }

    async fn execute(&self, context: StrategyContext) -> NftResult<StrategyResult> {
        // Placeholder implementation
        Ok(StrategyResult {
            strategy_name: self.name().to_string(),
            status: StrategyStatus::Success,
            processed_nfts: vec![],
            insights: vec![],
            metrics: StrategyMetrics {
                items_processed: context.mint_addresses.len() as u64,
                items_successful: context.mint_addresses.len() as u64,
                items_failed: 0,
                cache_hits: 0,
                network_requests: (context.mint_addresses.len() as u64) * 4,
                memory_usage_bytes: 3 * 1024 * 1024, // 3MB
            },
            execution_time_ms: 1500,
            additional_data: HashMap::new(),
        })
    }

    fn required_capabilities(&self) -> Vec<StrategyCapability> {
        self.metadata.required_capabilities.clone()
    }

    fn estimated_execution_time_ms(&self) -> u64 {
        self.metadata.estimated_resource_usage.execution_time_per_item_ms
    }
}

impl ValuationFocusedStrategy {
    pub fn new() -> Self {
        Self {
            metadata: StrategyMetadata {
                name: "ValuationFocused".to_string(),
                description: "Valuation-focused NFT processing with detailed market analysis".to_string(),
                version: "1.0.0".to_string(),
                author: "Solana Recover".to_string(),
                tags: vec!["valuation".to_string(), "market".to_string()],
                required_capabilities: vec![
                    StrategyCapability::MetadataFetching,
                    StrategyCapability::Valuation,
                ],
                supported_performance_modes: vec![PerformanceMode::Balanced, PerformanceMode::Thorough],
                estimated_resource_usage: ResourceUsageEstimate {
                    memory_per_item_kb: 250,
                    cpu_per_item_percent: 6.0,
                    network_requests_per_item: 3,
                    execution_time_per_item_ms: 800,
                },
            },
        }
    }
}

#[async_trait]
impl NftProcessingStrategy for ValuationFocusedStrategy {
    fn name(&self) -> &str {
        &self.metadata.name
    }

    fn description(&self) -> &str {
        &self.metadata.description
    }

    fn priority(&self) -> u8 {
        70
    }

    fn applies_to(&self, context: &StrategyContext) -> bool {
        context.options.enable_valuation &&
        matches!(context.performance_mode, PerformanceMode::Balanced | PerformanceMode::Thorough)
    }

    async fn execute(&self, context: StrategyContext) -> NftResult<StrategyResult> {
        // Placeholder implementation
        Ok(StrategyResult {
            strategy_name: self.name().to_string(),
            status: StrategyStatus::Success,
            processed_nfts: vec![],
            insights: vec![],
            metrics: StrategyMetrics {
                items_processed: context.mint_addresses.len() as u64,
                items_successful: context.mint_addresses.len() as u64,
                items_failed: 0,
                cache_hits: 0,
                network_requests: (context.mint_addresses.len() as u64) * 3,
                memory_usage_bytes: (2.5_f64 * 1024.0 * 1024.0) as u64, // 2.5MB
            },
            execution_time_ms: 800,
            additional_data: HashMap::new(),
        })
    }

    fn required_capabilities(&self) -> Vec<StrategyCapability> {
        self.metadata.required_capabilities.clone()
    }

    fn estimated_execution_time_ms(&self) -> u64 {
        self.metadata.estimated_resource_usage.execution_time_per_item_ms
    }
}

impl Default for ResourceConstraints {
    fn default() -> Self {
        Self {
            max_memory_mb: None,
            max_cpu_percent: None,
            max_requests_per_second: None,
            max_execution_time_seconds: None,
        }
    }
}