"""Watchlist schemas."""

from typing import Optional
from datetime import datetime
from uuid import UUID
from pydantic import BaseModel, Field


class WatchlistBase(BaseModel):
    """Base watchlist schema."""
    panic_alert_threshold: float = -50.0
    price_alert_low: Optional[float] = None
    price_alert_high: Optional[float] = None
    priority: int = Field(1, ge=1, le=3)
    notes: Optional[str] = None


class WatchlistCreate(WatchlistBase):
    """Schema for creating a watchlist item."""
    symbol: str


class WatchlistUpdate(BaseModel):
    """Schema for updating a watchlist item."""
    panic_alert_threshold: Optional[float] = None
    price_alert_low: Optional[float] = None
    price_alert_high: Optional[float] = None
    priority: Optional[int] = Field(None, ge=1, le=3)
    notes: Optional[str] = None
    is_active: Optional[bool] = None


class WatchlistResponse(WatchlistBase):
    """Schema for watchlist response."""
    id: UUID
    stock_id: UUID
    is_active: bool
    created_at: datetime
    updated_at: datetime
    
    class Config:
        from_attributes = True