import logging
from typing import Optional, Dict, Any, List
from dataclasses import dataclass, field
from enum import Enum

logger = logging.getLogger(__name__)


class IntentType(Enum):
    DOCUMENT_QUERY = "document_query"
    DATABASE_QUERY = "database_query"
    HYBRID_QUERY = "hybrid_query"
    CONVERSATIONAL = "conversational"
    AMBIGUOUS = "ambiguous"
    CRM_REFERRAL = "crm_referral"


@dataclass
class ClassificationResult:
    # Result of intent classification
    intent: IntentType
    confidence: float
    reasoning: str
    suggested_tables: List[str] = field(default_factory=list)
    requires_clarification: bool = False
    classification_time_ms: float = 0.0
    
    def is_database_related(self) -> bool:
        return self.intent in (IntentType.DATABASE_QUERY, IntentType.HYBRID_QUERY)
    
    def is_document_related(self) -> bool:
        return self.intent in (IntentType.DOCUMENT_QUERY, IntentType.HYBRID_QUERY)
    
    def to_dict(self) -> Dict[str, Any]:
        return {
            "intent": self.intent.value,
            "confidence": self.confidence,
            "reasoning": self.reasoning,
            "suggested_tables": self.suggested_tables,
            "requires_clarification": self.requires_clarification,
            "classification_time_ms": round(self.classification_time_ms, 2),
        }