package scanner

import (
	"encoding/json"
	"fmt"
	"sync"
	"sync/atomic"
	"time"

	"github.com/ethereum/go-ethereum/common"
	"github.com/fraktal/mev-beta/internal/logger"
)

// ParsingMonitor tracks parsing success rates and performance metrics
type ParsingMonitor struct {
	logger *logger.Logger
	mutex  sync.RWMutex

	// Parsing statistics
	stats struct {
		totalTransactions   atomic.Int64
		dexTransactions     atomic.Int64
		successfulParsing   atomic.Int64
		failedParsing       atomic.Int64
		zeroAddressRejected atomic.Int64
		suspiciousRejected  atomic.Int64
		duplicateRejected   atomic.Int64

		// Protocol-specific stats
		uniswapV3Parsed       atomic.Int64
		uniswapV2Parsed       atomic.Int64
		multicallParsed       atomic.Int64
		universalRouterParsed atomic.Int64

		// Protocol-specific errors
		uniswapV3Errors       atomic.Int64
		uniswapV2Errors       atomic.Int64
		multicallErrors       atomic.Int64
		universalRouterErrors atomic.Int64
	}

	// Time-based metrics
	hourlyMetrics   map[int]*HourlyParsingMetrics
	dailyMetrics    map[string]*DailyParsingMetrics
	realTimeMetrics *RealTimeParsingMetrics

	// Configuration
	config *ParsingMonitorConfig

	// Start time for uptime calculation
	startTime time.Time
}

// ParsingMonitorConfig configures the parsing monitor
type ParsingMonitorConfig struct {
	EnableRealTimeMonitoring bool            `json:"enable_real_time_monitoring"`
	MetricsRetentionHours    int             `json:"metrics_retention_hours"`
	AlertThresholds          AlertThresholds `json:"alert_thresholds"`
	ReportInterval           time.Duration   `json:"report_interval"`
}

// AlertThresholds defines when to trigger parsing alerts
type AlertThresholds struct {
	MinSuccessRatePercent     float64 `json:"min_success_rate_percent"`
	MaxZeroAddressRatePercent float64 `json:"max_zero_address_rate_percent"`
	MaxErrorRatePercent       float64 `json:"max_error_rate_percent"`
	MinTransactionsPerHour    int64   `json:"min_transactions_per_hour"`
}

// HourlyParsingMetrics tracks metrics for a specific hour
type HourlyParsingMetrics struct {
	Hour                int     `json:"hour"`
	Date                string  `json:"date"`
	TotalTransactions   int64   `json:"total_transactions"`
	DexTransactions     int64   `json:"dex_transactions"`
	SuccessfulParsing   int64   `json:"successful_parsing"`
	FailedParsing       int64   `json:"failed_parsing"`
	SuccessRate         float64 `json:"success_rate"`
	ZeroAddressRejected int64   `json:"zero_address_rejected"`
	SuspiciousRejected  int64   `json:"suspicious_rejected"`

	// Protocol breakdown
	ProtocolStats map[string]ProtocolMetrics `json:"protocol_stats"`

	Timestamp time.Time `json:"timestamp"`
}

// DailyParsingMetrics tracks metrics for a specific day
type DailyParsingMetrics struct {
	Date                string  `json:"date"`
	TotalTransactions   int64   `json:"total_transactions"`
	DexTransactions     int64   `json:"dex_transactions"`
	SuccessfulParsing   int64   `json:"successful_parsing"`
	FailedParsing       int64   `json:"failed_parsing"`
	SuccessRate         float64 `json:"success_rate"`
	ZeroAddressRejected int64   `json:"zero_address_rejected"`
	SuspiciousRejected  int64   `json:"suspicious_rejected"`

	// Protocol breakdown
	ProtocolStats map[string]ProtocolMetrics `json:"protocol_stats"`

	// Hourly breakdown
	HourlyBreakdown [24]*HourlyParsingMetrics `json:"hourly_breakdown"`

	Timestamp time.Time `json:"timestamp"`
}

// RealTimeParsingMetrics tracks real-time parsing performance
type RealTimeParsingMetrics struct {
	LastUpdateTime         time.Time `json:"last_update_time"`
	ParsesPerSecond        float64   `json:"parses_per_second"`
	SuccessRatePercent     float64   `json:"success_rate_percent"`
	ErrorRatePercent       float64   `json:"error_rate_percent"`
	ZeroAddressRatePercent float64   `json:"zero_address_rate_percent"`

	// Recent activity (last 5 minutes)
	RecentSuccesses     int64 `json:"recent_successes"`
	RecentFailures      int64 `json:"recent_failures"`
	RecentZeroAddresses int64 `json:"recent_zero_addresses"`

	// Protocol health
	ProtocolHealth map[string]ProtocolHealth `json:"protocol_health"`
}

// ProtocolMetrics tracks parsing metrics for a specific protocol
type ProtocolMetrics struct {
	Protocol           string    `json:"protocol"`
	TotalParsed        int64     `json:"total_parsed"`
	Errors             int64     `json:"errors"`
	SuccessRate        float64   `json:"success_rate"`
	AverageParseTimeMs float64   `json:"average_parse_time_ms"`
	LastParseTime      time.Time `json:"last_parse_time"`
}

// ProtocolHealth tracks real-time health of a protocol
type ProtocolHealth struct {
	Protocol          string    `json:"protocol"`
	Status            string    `json:"status"` // "healthy", "degraded", "critical"
	SuccessRate       float64   `json:"success_rate"`
	ErrorRate         float64   `json:"error_rate"`
	LastSuccessTime   time.Time `json:"last_success_time"`
	LastErrorTime     time.Time `json:"last_error_time"`
	ConsecutiveErrors int       `json:"consecutive_errors"`
}

// ParsingEvent represents a parsing event for monitoring
type ParsingEvent struct {
	TransactionHash common.Hash    `json:"transaction_hash"`
	Protocol        string         `json:"protocol"`
	Success         bool           `json:"success"`
	Error           string         `json:"error,omitempty"`
	RejectionReason string         `json:"rejection_reason,omitempty"`
	PoolAddress     common.Address `json:"pool_address"`
	Token0          common.Address `json:"token0"`
	Token1          common.Address `json:"token1"`
	ParseTimeMs     float64        `json:"parse_time_ms"`
	Timestamp       time.Time      `json:"timestamp"`
}

// NewParsingMonitor creates a new parsing monitor
func NewParsingMonitor(logger *logger.Logger, config *ParsingMonitorConfig) *ParsingMonitor {
	if config == nil {
		config = &ParsingMonitorConfig{
			EnableRealTimeMonitoring: true,
			MetricsRetentionHours:    72, // 3 days
			AlertThresholds: AlertThresholds{
				MinSuccessRatePercent:     80.0,
				MaxZeroAddressRatePercent: 5.0,
				MaxErrorRatePercent:       15.0,
				MinTransactionsPerHour:    100,
			},
			ReportInterval: 5 * time.Minute,
		}
	}

	monitor := &ParsingMonitor{
		logger:        logger,
		hourlyMetrics: make(map[int]*HourlyParsingMetrics),
		dailyMetrics:  make(map[string]*DailyParsingMetrics),
		config:        config,
		startTime:     time.Now(),
		realTimeMetrics: &RealTimeParsingMetrics{
			ProtocolHealth: make(map[string]ProtocolHealth),
		},
	}

	// Start background monitoring
	if config.EnableRealTimeMonitoring {
		go monitor.startRealTimeMonitoring()
		go monitor.startPeriodicReporting()
	}

	return monitor
}

// RecordParsingEvent records a parsing event
func (pm *ParsingMonitor) RecordParsingEvent(event ParsingEvent) {
	pm.stats.totalTransactions.Add(1)

	if event.Success {
		pm.stats.successfulParsing.Add(1)
		pm.stats.dexTransactions.Add(1)

		// Update protocol-specific success stats
		switch event.Protocol {
		case "UniswapV3":
			pm.stats.uniswapV3Parsed.Add(1)
		case "UniswapV2":
			pm.stats.uniswapV2Parsed.Add(1)
		case "Multicall":
			pm.stats.multicallParsed.Add(1)
		case "UniversalRouter":
			pm.stats.universalRouterParsed.Add(1)
		}

	} else {
		pm.stats.failedParsing.Add(1)

		// Categorize rejection reasons
		switch event.RejectionReason {
		case "zero_address":
			pm.stats.zeroAddressRejected.Add(1)
		case "suspicious_address":
			pm.stats.suspiciousRejected.Add(1)
		case "duplicate_address":
			pm.stats.duplicateRejected.Add(1)
		}

		// Update protocol-specific error stats
		switch event.Protocol {
		case "UniswapV3":
			pm.stats.uniswapV3Errors.Add(1)
		case "UniswapV2":
			pm.stats.uniswapV2Errors.Add(1)
		case "Multicall":
			pm.stats.multicallErrors.Add(1)
		case "UniversalRouter":
			pm.stats.universalRouterErrors.Add(1)
		}
	}

	// Update time-based metrics
	pm.updateTimeBasedMetrics(event)
}

// RecordTransactionProcessed records that a transaction was processed
func (pm *ParsingMonitor) RecordTransactionProcessed() {
	pm.stats.totalTransactions.Add(1)
}

// RecordDEXTransactionFound records that a DEX transaction was found
func (pm *ParsingMonitor) RecordDEXTransactionFound() {
	pm.stats.dexTransactions.Add(1)
}

// RecordParsingSuccess records a successful parsing
func (pm *ParsingMonitor) RecordParsingSuccess(protocol string) {
	pm.stats.successfulParsing.Add(1)

	switch protocol {
	case "UniswapV3":
		pm.stats.uniswapV3Parsed.Add(1)
	case "UniswapV2":
		pm.stats.uniswapV2Parsed.Add(1)
	case "Multicall":
		pm.stats.multicallParsed.Add(1)
	case "UniversalRouter":
		pm.stats.universalRouterParsed.Add(1)
	}
}

// RecordParsingFailure records a parsing failure
func (pm *ParsingMonitor) RecordParsingFailure(protocol, reason string) {
	pm.stats.failedParsing.Add(1)

	switch reason {
	case "zero_address":
		pm.stats.zeroAddressRejected.Add(1)
	case "suspicious_address":
		pm.stats.suspiciousRejected.Add(1)
	case "duplicate_address":
		pm.stats.duplicateRejected.Add(1)
	}

	switch protocol {
	case "UniswapV3":
		pm.stats.uniswapV3Errors.Add(1)
	case "UniswapV2":
		pm.stats.uniswapV2Errors.Add(1)
	case "Multicall":
		pm.stats.multicallErrors.Add(1)
	case "UniversalRouter":
		pm.stats.universalRouterErrors.Add(1)
	}
}

// GetCurrentStats returns current parsing statistics
func (pm *ParsingMonitor) GetCurrentStats() map[string]interface{} {
	totalTx := pm.stats.totalTransactions.Load()
	dexTx := pm.stats.dexTransactions.Load()
	successfulParsing := pm.stats.successfulParsing.Load()
	failedParsing := pm.stats.failedParsing.Load()

	var successRate, dexDetectionRate float64
	if totalTx > 0 {
		if successfulParsing+failedParsing > 0 {
			successRate = float64(successfulParsing) / float64(successfulParsing+failedParsing) * 100
		}
		dexDetectionRate = float64(dexTx) / float64(totalTx) * 100
	}

	return map[string]interface{}{
		"total_transactions":         totalTx,
		"dex_transactions":           dexTx,
		"successful_parsing":         successfulParsing,
		"failed_parsing":             failedParsing,
		"success_rate_percent":       successRate,
		"dex_detection_rate_percent": dexDetectionRate,
		"zero_address_rejected":      pm.stats.zeroAddressRejected.Load(),
		"suspicious_rejected":        pm.stats.suspiciousRejected.Load(),
		"duplicate_rejected":         pm.stats.duplicateRejected.Load(),
		"uptime_hours":               time.Since(pm.startTime).Hours(),
		"protocol_stats": map[string]interface{}{
			"uniswap_v3": map[string]interface{}{
				"parsed": pm.stats.uniswapV3Parsed.Load(),
				"errors": pm.stats.uniswapV3Errors.Load(),
			},
			"uniswap_v2": map[string]interface{}{
				"parsed": pm.stats.uniswapV2Parsed.Load(),
				"errors": pm.stats.uniswapV2Errors.Load(),
			},
			"multicall": map[string]interface{}{
				"parsed": pm.stats.multicallParsed.Load(),
				"errors": pm.stats.multicallErrors.Load(),
			},
			"universal_router": map[string]interface{}{
				"parsed": pm.stats.universalRouterParsed.Load(),
				"errors": pm.stats.universalRouterErrors.Load(),
			},
		},
	}
}

// updateTimeBasedMetrics updates hourly and daily metrics
func (pm *ParsingMonitor) updateTimeBasedMetrics(event ParsingEvent) {
	now := time.Now()
	hour := now.Hour()
	date := now.Format("2006-01-02")

	pm.mutex.Lock()
	defer pm.mutex.Unlock()

	// Update hourly metrics
	if _, exists := pm.hourlyMetrics[hour]; !exists {
		pm.hourlyMetrics[hour] = &HourlyParsingMetrics{
			Hour:          hour,
			Date:          date,
			ProtocolStats: make(map[string]ProtocolMetrics),
			Timestamp:     now,
		}
	}

	hourlyMetric := pm.hourlyMetrics[hour]
	hourlyMetric.TotalTransactions++

	if event.Success {
		hourlyMetric.SuccessfulParsing++
		hourlyMetric.DexTransactions++
	} else {
		hourlyMetric.FailedParsing++
		if event.RejectionReason == "zero_address" {
			hourlyMetric.ZeroAddressRejected++
		} else if event.RejectionReason == "suspicious_address" {
			hourlyMetric.SuspiciousRejected++
		}
	}

	if hourlyMetric.SuccessfulParsing+hourlyMetric.FailedParsing > 0 {
		hourlyMetric.SuccessRate = float64(hourlyMetric.SuccessfulParsing) /
			float64(hourlyMetric.SuccessfulParsing+hourlyMetric.FailedParsing) * 100
	}

	// Update daily metrics
	if _, exists := pm.dailyMetrics[date]; !exists {
		pm.dailyMetrics[date] = &DailyParsingMetrics{
			Date:          date,
			ProtocolStats: make(map[string]ProtocolMetrics),
			Timestamp:     now,
		}
	}

	dailyMetric := pm.dailyMetrics[date]
	dailyMetric.TotalTransactions++

	if event.Success {
		dailyMetric.SuccessfulParsing++
		dailyMetric.DexTransactions++
	} else {
		dailyMetric.FailedParsing++
		if event.RejectionReason == "zero_address" {
			dailyMetric.ZeroAddressRejected++
		} else if event.RejectionReason == "suspicious_address" {
			dailyMetric.SuspiciousRejected++
		}
	}

	if dailyMetric.SuccessfulParsing+dailyMetric.FailedParsing > 0 {
		dailyMetric.SuccessRate = float64(dailyMetric.SuccessfulParsing) /
			float64(dailyMetric.SuccessfulParsing+dailyMetric.FailedParsing) * 100
	}
}

// startRealTimeMonitoring starts real-time monitoring
func (pm *ParsingMonitor) startRealTimeMonitoring() {
	ticker := time.NewTicker(10 * time.Second)
	defer ticker.Stop()

	for range ticker.C {
		pm.updateRealTimeMetrics()
	}
}

// updateRealTimeMetrics updates real-time parsing metrics
func (pm *ParsingMonitor) updateRealTimeMetrics() {
	pm.mutex.Lock()
	defer pm.mutex.Unlock()

	totalParsing := pm.stats.successfulParsing.Load() + pm.stats.failedParsing.Load()
	successfulParsing := pm.stats.successfulParsing.Load()

	if totalParsing > 0 {
		pm.realTimeMetrics.SuccessRatePercent = float64(successfulParsing) / float64(totalParsing) * 100
		pm.realTimeMetrics.ErrorRatePercent = 100.0 - pm.realTimeMetrics.SuccessRatePercent
	}

	zeroAddressRejected := pm.stats.zeroAddressRejected.Load()
	if totalParsing > 0 {
		pm.realTimeMetrics.ZeroAddressRatePercent = float64(zeroAddressRejected) / float64(totalParsing) * 100
	}

	pm.realTimeMetrics.LastUpdateTime = time.Now()

	// Check for alert conditions
	pm.checkParsingAlerts()
}

// checkParsingAlerts checks for alert conditions and logs warnings
func (pm *ParsingMonitor) checkParsingAlerts() {
	successRate := pm.realTimeMetrics.SuccessRatePercent
	totalParsing := pm.stats.successfulParsing.Load() + pm.stats.failedParsing.Load()

	// Skip alerts if we don't have enough data
	if totalParsing < 10 {
		return
	}

	// Critical alert: Success rate below 50%
	if successRate < 50.0 && totalParsing > 100 {
		pm.logger.Error(fmt.Sprintf("CRITICAL PARSING ALERT: Success rate %.2f%% is critically low (total: %d)",
			successRate, totalParsing))
	}

	// Warning alert: Success rate below 80%
	if successRate < 80.0 && successRate >= 50.0 && totalParsing > 50 {
		pm.logger.Warn(fmt.Sprintf("PARSING WARNING: Success rate %.2f%% is below normal (total: %d)",
			successRate, totalParsing))
	}

	// Zero address corruption alert
	zeroAddressRejected := pm.stats.zeroAddressRejected.Load()
	if zeroAddressRejected > 10 {
		zeroAddressRate := pm.realTimeMetrics.ZeroAddressRatePercent
		pm.logger.Warn(fmt.Sprintf("PARSING CORRUPTION: %d zero address events rejected (%.2f%% of total)",
			zeroAddressRejected, zeroAddressRate))
	}

	// High error rate alert
	errorRate := pm.realTimeMetrics.ErrorRatePercent
	if errorRate > 20.0 && totalParsing > 50 {
		pm.logger.Warn(fmt.Sprintf("HIGH ERROR RATE: %.2f%% parsing failures detected", errorRate))
	}
}

// startPeriodicReporting starts periodic reporting
func (pm *ParsingMonitor) startPeriodicReporting() {
	ticker := time.NewTicker(pm.config.ReportInterval)
	defer ticker.Stop()

	for range ticker.C {
		pm.generateAndLogReport()
	}
}

// generateAndLogReport generates and logs a parsing performance report
func (pm *ParsingMonitor) generateAndLogReport() {
	stats := pm.GetCurrentStats()

	report := fmt.Sprintf("PARSING PERFORMANCE REPORT - Uptime: %.1f hours, Success Rate: %.1f%%, DEX Detection: %.1f%%, Zero Address Rejected: %d",
		stats["uptime_hours"].(float64),
		stats["success_rate_percent"].(float64),
		stats["dex_detection_rate_percent"].(float64),
		stats["zero_address_rejected"].(int64))

	pm.logger.Info(report)

	// Check for alerts
	pm.checkParsingAlertsLegacy(stats)
}

// checkParsingAlertsLegacy checks for parsing performance alerts
func (pm *ParsingMonitor) checkParsingAlertsLegacy(stats map[string]interface{}) {
	successRate := stats["success_rate_percent"].(float64)
	zeroAddressRate := (float64(stats["zero_address_rejected"].(int64)) /
		float64(stats["total_transactions"].(int64))) * 100

	if successRate < pm.config.AlertThresholds.MinSuccessRatePercent {
		pm.logger.Warn(fmt.Sprintf("PARSING ALERT: Success rate %.1f%% below threshold %.1f%%",
			successRate, pm.config.AlertThresholds.MinSuccessRatePercent))
	}

	if zeroAddressRate > pm.config.AlertThresholds.MaxZeroAddressRatePercent {
		pm.logger.Warn(fmt.Sprintf("PARSING ALERT: Zero address rate %.1f%% above threshold %.1f%%",
			zeroAddressRate, pm.config.AlertThresholds.MaxZeroAddressRatePercent))
	}
}

// ExportMetrics exports current metrics in JSON format
func (pm *ParsingMonitor) ExportMetrics() ([]byte, error) {
	stats := pm.GetCurrentStats()
	return json.MarshalIndent(stats, "", "  ")
}

// GetHealthStatus returns the overall health status of parsing
func (pm *ParsingMonitor) GetHealthStatus() string {
	stats := pm.GetCurrentStats()
	successRate := stats["success_rate_percent"].(float64)

	switch {
	case successRate >= 95:
		return "excellent"
	case successRate >= 85:
		return "good"
	case successRate >= 70:
		return "fair"
	case successRate >= 50:
		return "poor"
	default:
		return "critical"
	}
}

// GetDashboardData returns comprehensive dashboard data for real-time monitoring
func (pm *ParsingMonitor) GetDashboardData() map[string]interface{} {
	pm.mutex.RLock()
	defer pm.mutex.RUnlock()

	// Get current stats
	stats := pm.GetCurrentStats()
	successRate := stats["success_rate_percent"].(float64)
	totalTransactions := stats["total_transactions"].(int64)

	// Calculate health status
	healthStatus := pm.GetHealthStatus()

	// Protocol performance analysis using available atomic counters
	protocolPerformance := map[string]interface{}{
		"uniswap_v3": map[string]interface{}{
			"parsed_transactions": pm.stats.uniswapV3Parsed.Load(),
			"status":              "healthy", // Simplified for now
		},
		"uniswap_v2": map[string]interface{}{
			"parsed_transactions": pm.stats.uniswapV2Parsed.Load(),
			"status":              "healthy", // Simplified for now
		},
		"multicall": map[string]interface{}{
			"parsed_transactions": pm.stats.multicallParsed.Load(),
			"status":              "healthy", // Simplified for now
		},
		"universal_router": map[string]interface{}{
			"parsed_transactions": pm.stats.universalRouterParsed.Load(),
			"status":              "healthy", // Simplified for now
		},
	}

	// Error breakdown analysis
	zeroAddressRejected := pm.stats.zeroAddressRejected.Load()
	suspiciousRejected := pm.stats.suspiciousRejected.Load()
	duplicateRejected := pm.stats.duplicateRejected.Load()

	errorBreakdown := map[string]interface{}{
		"zero_address": map[string]interface{}{
			"count":      zeroAddressRejected,
			"percentage": float64(zeroAddressRejected) / float64(totalTransactions) * 100,
		},
		"suspicious_address": map[string]interface{}{
			"count":      suspiciousRejected,
			"percentage": float64(suspiciousRejected) / float64(totalTransactions) * 100,
		},
		"duplicate_address": map[string]interface{}{
			"count":      duplicateRejected,
			"percentage": float64(duplicateRejected) / float64(totalTransactions) * 100,
		},
	}

	// Real-time metrics
	realTimeMetrics := map[string]interface{}{
		"success_rate_percent": pm.realTimeMetrics.SuccessRatePercent,
		"error_rate_percent":   pm.realTimeMetrics.ErrorRatePercent,
		"zero_address_rate":    pm.realTimeMetrics.ZeroAddressRatePercent,
		"last_update_time":     pm.realTimeMetrics.LastUpdateTime,
	}

	return map[string]interface{}{
		"system_health": map[string]interface{}{
			"status":             healthStatus,
			"total_transactions": totalTransactions,
			"success_rate":       successRate,
			"uptime_minutes":     time.Since(pm.startTime).Minutes(),
		},
		"real_time_metrics":    realTimeMetrics,
		"protocol_performance": protocolPerformance,
		"error_breakdown":      errorBreakdown,
		"alerts": map[string]interface{}{
			"critical_alerts": pm.getCriticalAlerts(successRate, totalTransactions),
			"warning_alerts":  pm.getWarningAlerts(successRate, totalTransactions),
		},
		"generated_at": time.Now(),
	}
}

// getCriticalAlerts returns current critical alerts
func (pm *ParsingMonitor) getCriticalAlerts(successRate float64, totalTransactions int64) []map[string]interface{} {
	var alerts []map[string]interface{}

	if successRate < 50.0 && totalTransactions > 100 {
		alerts = append(alerts, map[string]interface{}{
			"type":      "critical",
			"message":   fmt.Sprintf("Critical: Success rate %.2f%% is dangerously low", successRate),
			"metric":    "success_rate",
			"value":     successRate,
			"threshold": 50.0,
			"timestamp": time.Now(),
		})
	}

	zeroAddressRate := pm.realTimeMetrics.ZeroAddressRatePercent
	if zeroAddressRate > 10.0 && totalTransactions > 50 {
		alerts = append(alerts, map[string]interface{}{
			"type":      "critical",
			"message":   fmt.Sprintf("Critical: Zero address corruption rate %.2f%% is too high", zeroAddressRate),
			"metric":    "zero_address_rate",
			"value":     zeroAddressRate,
			"threshold": 10.0,
			"timestamp": time.Now(),
		})
	}

	return alerts
}

// getWarningAlerts returns current warning alerts
func (pm *ParsingMonitor) getWarningAlerts(successRate float64, totalTransactions int64) []map[string]interface{} {
	var alerts []map[string]interface{}

	if successRate < 80.0 && successRate >= 50.0 && totalTransactions > 50 {
		alerts = append(alerts, map[string]interface{}{
			"type":      "warning",
			"message":   fmt.Sprintf("Warning: Success rate %.2f%% is below normal", successRate),
			"metric":    "success_rate",
			"value":     successRate,
			"threshold": 80.0,
			"timestamp": time.Now(),
		})
	}

	errorRate := pm.realTimeMetrics.ErrorRatePercent
	if errorRate > 15.0 && totalTransactions > 30 {
		alerts = append(alerts, map[string]interface{}{
			"type":      "warning",
			"message":   fmt.Sprintf("Warning: Error rate %.2f%% is elevated", errorRate),
			"metric":    "error_rate",
			"value":     errorRate,
			"threshold": 15.0,
			"timestamp": time.Now(),
		})
	}

	return alerts
}

// GenerateHealthReport generates a comprehensive health report for the parsing system
func (pm *ParsingMonitor) GenerateHealthReport() string {
	dashboardData := pm.GetDashboardData()

	report := fmt.Sprintf("=== MEV Bot Parsing Health Report ===\n")
	report += fmt.Sprintf("Generated: %v\n\n", dashboardData["generated_at"])

	// System Health
	systemHealth := dashboardData["system_health"].(map[string]interface{})
	report += fmt.Sprintf("SYSTEM HEALTH: %s\n", systemHealth["status"])
	report += fmt.Sprintf("Success Rate: %.2f%%\n", systemHealth["success_rate"])
	report += fmt.Sprintf("Total Transactions: %d\n", systemHealth["total_transactions"])
	report += fmt.Sprintf("Uptime: %.1f minutes\n\n", systemHealth["uptime_minutes"])

	// Alerts
	alerts := dashboardData["alerts"].(map[string]interface{})
	criticalAlerts := alerts["critical_alerts"].([]map[string]interface{})
	warningAlerts := alerts["warning_alerts"].([]map[string]interface{})

	if len(criticalAlerts) > 0 {
		report += "CRITICAL ALERTS:\n"
		for _, alert := range criticalAlerts {
			report += fmt.Sprintf("- %s\n", alert["message"])
		}
		report += "\n"
	}

	if len(warningAlerts) > 0 {
		report += "WARNING ALERTS:\n"
		for _, alert := range warningAlerts {
			report += fmt.Sprintf("- %s\n", alert["message"])
		}
		report += "\n"
	}

	// Protocol Performance
	protocolPerf := dashboardData["protocol_performance"].(map[string]interface{})
	if len(protocolPerf) > 0 {
		report += "PROTOCOL PERFORMANCE:\n"
		for protocol, perfData := range protocolPerf {
			perf := perfData.(map[string]interface{})
			report += fmt.Sprintf("- %s: %.2f%% success rate (%s)\n",
				protocol, perf["success_rate"], perf["status"])
		}
		report += "\n"
	}

	// Error Breakdown
	errorBreakdown := dashboardData["error_breakdown"].(map[string]interface{})
	report += "ERROR BREAKDOWN:\n"
	for errorType, errorData := range errorBreakdown {
		data := errorData.(map[string]interface{})
		report += fmt.Sprintf("- %s: %d events (%.2f%%)\n",
			errorType, data["count"], data["percentage"])
	}

	report += "\n=== End Report ===\n"
	return report
}