"""
Pythonic data models for ARF Demo - COMPLETE VERSION
"""

from dataclasses import dataclass, asdict
from enum import Enum
from typing import Dict, List, Optional, Any
import datetime

# Import from actual ARF OSS package
try:
    from agentic_reliability_framework.arf_core.models.healing_intent import (
        HealingIntent,
        create_scale_out_intent,
        create_rollback_intent,
        create_restart_intent
    )
    from agentic_reliability_framework.arf_core.engine.simple_mcp_client import OSSMCPClient
    ARF_OSS_AVAILABLE = True
except ImportError:
    ARF_OSS_AVAILABLE = False
    # Fallback mock classes for demo
    class HealingIntent:
        def __init__(self, **kwargs):
            self.intent_type = kwargs.get("intent_type", "scale_out")
            self.parameters = kwargs.get("parameters", {})
        
        def to_dict(self):
            return {
                "intent_type": self.intent_type,
                "parameters": self.parameters,
                "created_at": datetime.datetime.now().isoformat()
            }
    
    def create_scale_out_intent(resource_type: str, scale_factor: float = 2.0):
        return HealingIntent(
            intent_type="scale_out",
            parameters={
                "resource_type": resource_type,
                "scale_factor": scale_factor,
                "action": "Increase capacity"
            }
        )
    
    class OSSMCPClient:
        def __init__(self):
            self.mode = "advisory"
        
        def analyze_incident(self, metrics: Dict, pattern: str = "") -> Dict:
            return {
                "status": "analysis_complete",
                "recommendations": [
                    "Increase resource allocation",
                    "Implement monitoring",
                    "Add circuit breakers",
                    "Optimize configuration"
                ],
                "confidence": 0.92,
                "pattern_matched": pattern,
                "healing_intent": {
                    "type": "scale_out",
                    "requires_execution": True
                }
            }

class IncidentSeverity(Enum):
    """Enum for incident severity levels"""
    LOW = "LOW"
    MEDIUM = "MEDIUM" 
    HIGH = "HIGH"
    CRITICAL = "CRITICAL"

class DemoMode(Enum):
    """Enum for demo modes"""
    QUICK = "quick"
    COMPREHENSIVE = "comprehensive"
    INVESTOR = "investor"

@dataclass
class OSSAnalysis:
    """Structured OSS analysis results - using actual ARF"""
    status: str
    recommendations: List[str]
    estimated_time: str
    engineers_needed: str
    manual_effort: str
    confidence_score: float = 0.95
    healing_intent: Optional[Dict] = None
    
    def to_dict(self) -> Dict:
        """Convert to dictionary, including healing intent if available"""
        data = asdict(self)
        if self.healing_intent:
            data["healing_intent"] = {
                "type": "HealingIntent",
                "recommendations": self.recommendations,
                "requires_execution": True
            }
        return data
    
    @classmethod
    def from_arf_analysis(cls, arf_result: Dict, scenario_name: str) -> 'OSSAnalysis':
        """Create from actual ARF analysis result"""
        recommendations = arf_result.get("recommendations", [
            "Increase resource allocation",
            "Implement monitoring",
            "Add circuit breakers",
            "Optimize configuration"
        ])
        
        return cls(
            status="✅ ARF OSS Analysis Complete",
            recommendations=recommendations,
            estimated_time="45-90 minutes",
            engineers_needed="2-3 engineers",
            manual_effort="High",
            confidence_score=0.92,
            healing_intent={
                "scenario": scenario_name,
                "actions": recommendations,
                "execution_required": True,
                "auto_execution": False  # OSS is advisory only
            }
        )

@dataclass
class EnterpriseResults:
    """Structured enterprise execution results"""
    actions_completed: List[str]
    metrics_improvement: Dict[str, str]
    business_impact: Dict[str, Any]
    approval_required: bool = True
    execution_time: str = ""
    healing_intent_executed: bool = True
    
    def to_dict(self) -> Dict:
        data = asdict(self)
        data["arf_enterprise"] = {
            "execution_complete": True,
            "learning_applied": True,
            "audit_trail_created": True
        }
        return data

@dataclass
class IncidentScenario:
    """Pythonic incident scenario model with ARF integration"""
    name: str
    severity: IncidentSeverity
    metrics: Dict[str, str]
    impact: Dict[str, str]
    arf_pattern: str = ""  # ARF pattern name for RAG recall
    oss_analysis: Optional[OSSAnalysis] = None
    enterprise_results: Optional[EnterpriseResults] = None
    
    def to_dict(self) -> Dict:
        """Convert to dictionary for JSON serialization"""
        data = {
            "name": self.name,
            "severity": self.severity.value,
            "metrics": self.metrics,
            "impact": self.impact,
            "arf_oss_available": ARF_OSS_AVAILABLE
        }
        if self.oss_analysis:
            data["oss_analysis"] = self.oss_analysis.to_dict()
        if self.enterprise_results:
            data["enterprise_results"] = self.enterprise_results.to_dict()
        return data

@dataclass
class DemoStep:
    """Demo step for presenter guidance"""
    title: str
    scenario: Optional[str]
    action: str
    message: str
    icon: str = "🎯"
    arf_integration: bool = False

# ===========================================
# INCIDENT DATABASE - ADD THIS CLASS
# ===========================================

class IncidentDatabase:
    """Database of incident scenarios for the demo"""
    
    @staticmethod
    def get_scenarios() -> Dict[str, IncidentScenario]:
        """Get all incident scenarios"""
        cache_miss = IncidentScenario(
            name="Cache Miss Storm",
            severity=IncidentSeverity.CRITICAL,
            metrics={
                "Cache Hit Rate": "18.5% (Critical)",
                "Database Load": "92% (Overloaded)",
                "Response Time": "1850ms (Slow)",
                "Affected Users": "45,000",
                "Eviction Rate": "125/sec"
            },
            impact={
                "Revenue Loss": "$8,500/hour",
                "Page Load Time": "+300%",
                "Users Impacted": "45,000",
                "SLA Violation": "Yes",
                "Customer Satisfaction": "-40%"
            },
            arf_pattern="cache_miss_storm",
            oss_analysis=OSSAnalysis(
                status="✅ Analysis Complete",
                recommendations=[
                    "Increase Redis cache memory allocation by 2x",
                    "Implement cache warming strategy with predictive loading",
                    "Optimize key patterns and implement TTL adjustments",
                    "Add circuit breaker for graceful database fallback",
                    "Deploy monitoring for cache hit rate trends"
                ],
                estimated_time="60-90 minutes",
                engineers_needed="2-3 SREs + 1 DBA",
                manual_effort="High",
                confidence_score=0.92,
                healing_intent={
                    "type": "scale_out",
                    "resource": "cache",
                    "scale_factor": 2.0
                }
            ),
            enterprise_results=EnterpriseResults(
                actions_completed=[
                    "✅ Auto-scaled Redis cluster: 4GB → 8GB",
                    "✅ Deployed intelligent cache warming service",
                    "✅ Optimized 12 key patterns with ML recommendations",
                    "✅ Implemented circuit breaker with 95% success rate",
                    "✅ Validated recovery with automated testing"
                ],
                metrics_improvement={
                    "Cache Hit Rate": "18.5% → 72%",
                    "Response Time": "1850ms → 450ms",
                    "Database Load": "92% → 45%",
                    "Throughput": "1250 → 2450 req/sec"
                },
                business_impact={
                    "Recovery Time": "60 min → 12 min",
                    "Cost Saved": "$7,200",
                    "Users Impacted": "45,000 → 0",
                    "Revenue Protected": "$1,700",
                    "MTTR Improvement": "80% reduction"
                },
                approval_required=True,
                execution_time="8 minutes"
            )
        )
        
        db_exhaustion = IncidentScenario(
            name="Database Connection Pool Exhaustion",
            severity=IncidentSeverity.HIGH,
            metrics={
                "Active Connections": "98/100 (Critical)",
                "API Latency": "2450ms",
                "Error Rate": "15.2%",
                "Queue Depth": "1250",
                "Connection Wait Time": "45s"
            },
            impact={
                "Revenue Loss": "$4,200/hour",
                "Affected Services": "API Gateway, User Service, Payment Service",
                "SLA Violation": "Yes",
                "Partner Impact": "3 external APIs"
            },
            arf_pattern="db_connection_exhaustion",
            oss_analysis=OSSAnalysis(
                status="✅ Analysis Complete",
                recommendations=[
                    "Increase connection pool size from 100 to 200",
                    "Add connection timeout (30s)",
                    "Implement leak detection",
                    "Add connection health checks",
                    "Optimize query patterns"
                ],
                estimated_time="45-60 minutes",
                engineers_needed="1-2 DBAs",
                manual_effort="Medium-High",
                confidence_score=0.88
            )
        )
        
        memory_leak = IncidentScenario(
            name="Memory Leak in Production",
            severity=IncidentSeverity.HIGH,
            metrics={
                "Memory Usage": "96% (Critical)",
                "GC Pause Time": "4500ms",
                "Error Rate": "28.5%",
                "Restart Frequency": "12/hour",
                "Heap Fragmentation": "42%"
            },
            impact={
                "Revenue Loss": "$5,500/hour",
                "Session Loss": "8,500 users",
                "Customer Impact": "High",
                "Support Tickets": "+300%"
            },
            arf_pattern="memory_leak_java",
            oss_analysis=OSSAnalysis(
                status="✅ Analysis Complete",
                recommendations=[
                    "Increase JVM heap size from 4GB to 8GB",
                    "Implement memory leak detection with profiling",
                    "Add proactive health checks",
                    "Schedule rolling restart with zero downtime",
                    "Deploy memory monitoring dashboard"
                ],
                estimated_time="75-90 minutes",
                engineers_needed="2 Java SREs",
                manual_effort="High",
                confidence_score=0.85
            )
        )
        
        api_rate_limit = IncidentScenario(
            name="API Rate Limit Exceeded",
            severity=IncidentSeverity.MEDIUM,
            metrics={
                "429 Error Rate": "42.5%",
                "Successful Requests": "58.3%",
                "API Latency": "120ms",
                "Queue Depth": "1250",
                "Client Satisfaction": "65/100"
            },
            impact={
                "Revenue Loss": "$1,800/hour",
                "Affected Partners": "8",
                "Partner SLA Violations": "3",
                "Business Impact": "Medium"
            },
            arf_pattern="api_rate_limit"
        )
        
        return {
            "Cache Miss Storm": cache_miss,
            "Database Connection Pool Exhaustion": db_exhaustion,
            "Memory Leak in Production": memory_leak,
            "API Rate Limit Exceeded": api_rate_limit
        }