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

class AssetCreate(BaseModel):
    # Alapadatok
    make: str = Field(..., example="Ford")
    model: str = Field(..., example="Mondeo")
    vin: str = Field(..., min_length=17, max_length=17, description="Alvázszám")
    license_plate: Optional[str] = Field(None, max_length=20, example="RRR-555")
    
    # Nemzetközi és Admin szempontok
    vehicle_class: str = Field("land", description="land, sea, air - Admin által bővíthető")
    fuel_type: str = Field(..., example="Diesel", description="Admin által definiált üzemanyag típusok")
    
    # Technikai adatok
    engine_description: Optional[str] = Field(None, example="2.0 TDCI")
    year_of_manufacture: int = Field(..., ge=1900, le=2100)
    
    # Kezdő állapot
    current_reading: int = Field(..., ge=0, description="Kezdő km/üzemóra állás")
    reading_unit: str = Field("km", description="km, miles, hours - Nemzetközi beállítás")
    
    # Felhasználói adatok
    name: Optional[str] = Field(None, description="Egyedi elnevezés")

class AssetResponse(BaseModel):
    id: UUID
    catalog_id: Optional[int]
    vin: str
    license_plate: Optional[str] = None # JAVÍTVA: Lehet None a válaszban
    name: Optional[str] = None
    fuel_type: str
    vehicle_class: str
    is_verified: bool
    year_of_manufacture: int
    system_mileage: int
    quality_index: float
    created_at: datetime

    class Config:
        from_attributes = True