"""Flight search models."""
from typing import Optional, List
from pydantic import BaseModel, Field
from .time_specs import TimeSpec
class FlightSearch(BaseModel):
"""Model for flight search parameters."""
type: str = Field(..., description="Type of flight: 'one_way', 'round_trip', or 'multi_city'")
origin: str = Field(..., description="Origin airport code")
destination: str = Field(..., description="Destination airport code")
departure_date: str = Field(..., description="Departure date (YYYY-MM-DD)")
return_date: str | None = Field(None, description="Return date for round trips (YYYY-MM-DD)")
departure_time: TimeSpec | None = Field(None, description="Preferred departure time range")
arrival_time: TimeSpec | None = Field(None, description="Preferred arrival time range")
cabin_class: str = Field("economy", description="Cabin class (economy, business, first)")
adults: int = Field(1, description="Number of adult passengers")
max_connections: int = Field(None, description="Maximum number of connections (0 for non-stop)")
additional_stops: Optional[List[dict]] = Field(None, description="Additional stops for multi-city trips")
