from pydantic import BaseModel, Field
from typing import List, Optional
from datetime import datetime

# Existing User Sync Model
class UserSync(BaseModel):
    clerk_id: str
    email: Optional[str] = None
    name: Optional[str] = None
    created_at: Optional[datetime] = None

# --- Testimony Validator & Map-Reduce Models ---

class TimelineEvent(BaseModel):
    timeframe: str = Field(description="Date, time, or period of the event")
    event_description: str = Field(description="Description of what occurred")
    source_quote: str = Field(description="Direct verbatim quote from the transcript supporting this event")

class Timeline(BaseModel):
    party: str = Field(description="Name or role of the party (e.g., Client, Accused)")
    events: List[TimelineEvent] = Field(default_factory=list, description="Chronological list of events")

class Discrepancy(BaseModel):
    type: str = Field(description="Classification: 'Direct Conflict' or 'Omission'")
    timeframe: str = Field(description="Timeframe or date when the conflicting event occurred")
    client_version: Optional[str] = Field(default=None, description="Client's statement of the event")
    accused_version: Optional[str] = Field(default=None, description="Accused party's statement of the event")
    analysis: str = Field(description="Detailed forensic reasoning explaining why this is a conflict or omission")
    severity: str = Field(description="Severity impact: 'High', 'Medium', or 'Low'")

class ComparativeAnalysisResult(BaseModel):
    client_timeline: Timeline
    accused_timeline: Timeline
    discrepancies: List[Discrepancy] = Field(default_factory=list)