# models.py
from pydantic import BaseModel, Field
from typing import List, Dict, Optional


class TravelDataInput(BaseModel):
    destination: Optional[str] = Field(None, description="e.g., Neelum Valley")
    location_type: str = Field(..., description="City, Beach, Mountain, etc.")
    province: str = Field(..., description="Punjab, Sindh, etc.")
    starting_location: str = Field(..., description="e.g., Islamabad")
    gender: str = Field(..., description="Male, Female, Mixed")
    num_people: int = Field(..., gt=0, description="Number of people")
    has_children: bool = Field(False, description="Whether children are present")
    activity_type: str = Field(..., description="Adventure, Sightseeing, Both")
    travel_group: str = Field(..., description="Solo, With partner, etc.")
    preferences: List[str] = Field([], description="Cultural Experience, Food, etc.")
    budget: int = Field(0, ge=0, description="Budget in PKR")
    num_days: int = Field(..., gt=0, description="Number of days")
    additional_preferences: Optional[str] = Field(None, description="Any other requests")


class PlanResponse(BaseModel):
    plan_text: str
    destination_used: str
    images: List[Dict]
    image_queries_used: List[str]
    source: str


class ExtractionInput(BaseModel):
    plan_text: str


class PackageData(BaseModel):
    packageName: str
    packageDescription: str
    packageDestination: str
    packageDays: int
    packageNights: int
    packageAccommodation: str
    packageTransportation: str
    packageMeals: str
    packageActivities: str
    packagePrice: Optional[float]
    packageDiscountPrice: Optional[float]
    packageOffer: bool
    packageRating: int
    packageTotalRatings: int
    packageImages: Optional[List[Dict]] = None


class ChatMessage(BaseModel):
    role: str  # user or assistant
    content: str


class ChatInput(BaseModel):
    plan_text: str
    destination: str
    num_days: int
    chat_history: List[ChatMessage]
    user_input: str


class ChatResponse(BaseModel):
    assistant_response: str