# /opt/docker/dev/service_finder/backend/app/models/vehicle/asset.py
from __future__ import annotations
import uuid
import enum
from datetime import datetime
from typing import List, Optional, TYPE_CHECKING
from sqlalchemy import String, Boolean, DateTime, ForeignKey, Numeric, text, Text, UniqueConstraint, BigInteger, Integer, Float
from sqlalchemy.orm import Mapped, mapped_column, relationship
from sqlalchemy.dialects.postgresql import UUID as PG_UUID, JSONB
from sqlalchemy.sql import func
from app.database import Base


class AssetCatalog(Base):
    """ Jármű katalógus mesteradatok (Validált technikai sablonok). """
    __tablename__ = "vehicle_catalog"
    __table_args__ = (
        UniqueConstraint('make', 'model', 'year_from', 'fuel_type', name='uix_vehicle_catalog_full'),
        {"schema": "vehicle"}
    )
    id: Mapped[int] = mapped_column(Integer, primary_key=True, index=True)
    master_definition_id: Mapped[Optional[int]] = mapped_column(Integer, ForeignKey("vehicle.vehicle_model_definitions.id"))
    
    make: Mapped[str] = mapped_column(String, index=True, nullable=False)
    model: Mapped[str] = mapped_column(String, index=True, nullable=False)
    generation: Mapped[Optional[str]] = mapped_column(String, index=True)
    year_from: Mapped[Optional[int]] = mapped_column(Integer)
    year_to: Mapped[Optional[int]] = mapped_column(Integer)
    fuel_type: Mapped[Optional[str]] = mapped_column(String, index=True)
    power_kw: Mapped[Optional[int]] = mapped_column(Integer, index=True)
    engine_capacity: Mapped[Optional[int]] = mapped_column(Integer, index=True)
    
    factory_data: Mapped[dict] = mapped_column(JSONB, server_default=text("'{}'::jsonb"))
    
    master_definition: Mapped[Optional["VehicleModelDefinition"]] = relationship("VehicleModelDefinition", back_populates="variants")
    assets: Mapped[List["Asset"]] = relationship("Asset", back_populates="catalog")


class VehicleClassEnum(str, enum.Enum):
    """Jármű osztályok a 99_Adattarolás.md alapján."""
    PERSONAL = "personal"  # Személygépjármű
    MOTORCYCLE = "motorcycle"  # Motorkerékpár
    LIGHT_COMMERCIAL = "light_commercial"  # Kishaszon gépjármű
    COMMERCIAL = "commercial"  # Haszonjármű
    WORK_MACHINE = "work_machine"  # Munkagép
    TRAILER = "trailer"  # Pótkocsi/utánfutó
    BUS = "bus"  # Autóbusz
    CAMPER = "camper"  # Lakókocsi/lakóautó
    BOAT = "boat"  # Hajó
    AIRCRAFT = "aircraft"  # Repülőgép


class RoofTypeEnum(str, enum.Enum):
    """Tető típusok a 99_Adattarolás.md alapján."""
    METAL = "metal"  # Lemeztető
    FABRIC = "fabric"  # Vászontető
    HARDTOP = "hardtop"  # Nyitható keménytető
    FOLDING = "folding"  # Harmonikatető
    TARGA = "targa"  # Targatető
    FIXED_GLASS = "fixed_glass"  # Fix üvegtető
    PANORAMIC = "panoramic"  # Panorámatető
    FIXED_SUNROOF = "fixed_sunroof"  # Fix napfénytető
    OPENABLE_SUNROOF = "openable_sunroof"  # Nyitható napfénytető
    RETRACTABLE_SUNROOF = "retractable_sunroof"  # Elhúzható napfénytető
    MOTORIZED_SUNROOF = "motorized_sunroof"  # Motoros napfénytető
    OPENABLE_PANORAMIC = "openable_panoramic"  # Nyitható panorámatető


class Asset(Base):
    """ A fizikai eszköz (Digital Twin) - Minden adat itt fut össze. """
    __tablename__ = "assets"
    __table_args__ = {"schema": "vehicle"}

    # === IDENTIFICATION ===
    id: Mapped[uuid.UUID] = mapped_column(PG_UUID(as_uuid=True), primary_key=True, default=uuid.uuid4)
    vin: Mapped[Optional[str]] = mapped_column(String(17), unique=True, index=True, nullable=True)
    license_plate: Mapped[Optional[str]] = mapped_column(String(20), index=True)
    name: Mapped[Optional[str]] = mapped_column(String)
    catalog_id: Mapped[Optional[int]] = mapped_column(Integer, ForeignKey("vehicle.vehicle_catalog.id"))

    # === CLASSIFICATION ===
    vehicle_class: Mapped[Optional[str]] = mapped_column(String(50), index=True)  # VehicleClassEnum értékek
    brand: Mapped[Optional[str]] = mapped_column(String(100), index=True)  # Márka (ha nincs catalog)
    model: Mapped[Optional[str]] = mapped_column(String(100), index=True)  # Modell (ha nincs catalog)
    trim_level: Mapped[Optional[str]] = mapped_column(String(100))  # Felszereltségi szint/kivitel

    # === TECHNICAL SPECS ===
    fuel_type: Mapped[Optional[str]] = mapped_column(String(50), index=True)  # benzin, diesel, elektromos, etanol, gáz
    engine_capacity: Mapped[Optional[int]] = mapped_column(Integer, index=True)  # cm³
    power_kw: Mapped[Optional[int]] = mapped_column(Integer, index=True)  # kW
    torque_nm: Mapped[Optional[int]] = mapped_column(Integer)  # Nm
    cylinder_layout: Mapped[Optional[str]] = mapped_column(String(50))  # soros, V, boxer, stb.
    transmission_type: Mapped[Optional[str]] = mapped_column(String(50), index=True)  # kézi, autómata, CVT, DCT
    drive_type: Mapped[Optional[str]] = mapped_column(String(50), index=True)  # első, hátsó, összkerék
    euro_classification: Mapped[Optional[str]] = mapped_column(String(10))  # EURO 1-6

    # === PHYSICAL DIMENSIONS ===
    curb_weight: Mapped[Optional[int]] = mapped_column(Integer)  # saját tömeg (kg)
    max_weight: Mapped[Optional[int]] = mapped_column(Integer)  # össztömeg (kg)
    cargo_volume_x: Mapped[Optional[float]] = mapped_column(Numeric(10, 2))  # csomagtartó hossz (cm)
    cargo_volume_y: Mapped[Optional[float]] = mapped_column(Numeric(10, 2))  # csomagtartó szélesség (cm)
    door_count: Mapped[Optional[int]] = mapped_column(Integer)  # ajtók száma
    seat_count: Mapped[Optional[int]] = mapped_column(Integer)  # ülések száma

    # === EQUIPMENT ===
    roof_type: Mapped[Optional[str]] = mapped_column(String(50))  # RoofTypeEnum értékek
    audio_system_type: Mapped[Optional[str]] = mapped_column(String(100))  # rádió típusa
    individual_equipment: Mapped[dict] = mapped_column(JSONB, server_default=text("'{}'::jsonb"))  # JSONB extra felszerelések

    # === STATUS ===
    current_mileage: Mapped[int] = mapped_column(Integer, default=0, index=True)
    condition_score: Mapped[int] = mapped_column(Integer, default=100)  # 0-100
    status: Mapped[str] = mapped_column(String(20), default="active")
    data_status: Mapped[Optional[str]] = mapped_column(String(20), nullable=True, server_default=text("'draft'"))

    # === TIMELINE ===
    year_of_manufacture: Mapped[Optional[int]] = mapped_column(Integer, index=True)
    first_registration_date: Mapped[Optional[datetime]] = mapped_column(DateTime(timezone=True))
    created_at: Mapped[datetime] = mapped_column(DateTime(timezone=True), server_default=func.now())
    updated_at: Mapped[Optional[datetime]] = mapped_column(DateTime(timezone=True), onupdate=func.now())

    # === SALES MODULE ===
    is_for_sale: Mapped[bool] = mapped_column(Boolean, default=False, index=True)
    price: Mapped[Optional[float]] = mapped_column(Numeric(15, 2))
    currency: Mapped[str] = mapped_column(String(3), default="EUR")

    # === ORGANIZATION & LOCATION ===
    current_organization_id: Mapped[Optional[int]] = mapped_column(Integer, ForeignKey("fleet.organizations.id"))
    branch_id: Mapped[Optional[uuid.UUID]] = mapped_column(PG_UUID(as_uuid=True), ForeignKey("fleet.branches.id"))
    relocation_performed: Mapped[bool] = mapped_column(Boolean, server_default=text('false'), default=False)

    # === IDENTITY RELATIONSHIPS ===
    owner_person_id: Mapped[Optional[int]] = mapped_column(BigInteger, ForeignKey("identity.persons.id"))
    owner_org_id: Mapped[Optional[int]] = mapped_column(Integer, ForeignKey("fleet.organizations.id"))
    operator_person_id: Mapped[Optional[int]] = mapped_column(BigInteger, ForeignKey("identity.persons.id"))
    operator_org_id: Mapped[Optional[int]] = mapped_column(Integer, ForeignKey("fleet.organizations.id"))

    # --- KAPCSOLATOK ---
    catalog: Mapped["AssetCatalog"] = relationship("AssetCatalog", back_populates="assets")
    financials: Mapped[Optional["AssetFinancials"]] = relationship("AssetFinancials", back_populates="asset", uselist=False)
    costs: Mapped[List["AssetCost"]] = relationship("AssetCost", back_populates="asset")
    events: Mapped[List["AssetEvent"]] = relationship("AssetEvent", back_populates="asset")
    logbook: Mapped[List["VehicleLogbook"]] = relationship("VehicleLogbook", back_populates="asset")
    inspections: Mapped[List["AssetInspection"]] = relationship("AssetInspection", back_populates="asset")
    reviews: Mapped[List["AssetReview"]] = relationship("AssetReview", back_populates="asset")
    telemetry: Mapped[Optional["AssetTelemetry"]] = relationship("AssetTelemetry", back_populates="asset", uselist=False)
    assignments: Mapped[List["AssetAssignment"]] = relationship("AssetAssignment", back_populates="asset")
    ownership_history: Mapped[List["VehicleOwnership"]] = relationship("VehicleOwnership", back_populates="asset")
    service_requests: Mapped[List["ServiceRequest"]] = relationship("ServiceRequest", back_populates="asset", cascade="all, delete-orphan")

    # --- COMPUTED PROPERTIES (for Pydantic schema compatibility) ---
    @property
    def is_verified(self) -> bool:
        """Always False for now, as verification is not yet implemented."""
        return False

    @property
    def profile_completion_percentage(self) -> int:
        """
        Calculate profile completion percentage based on available data.
        Uses dynamic weights from system.system_data_completion_weights table.
        Default weights (if not configured):
        - license_plate: 20%
        - make: 15% (from catalog)
        - model: 15% (from catalog)
        - vin: 30%
        - year_of_manufacture: 20%
        """
        # Default weights (fallback if dynamic weights not available)
        default_weights = {
            'license_plate': 20,
            'make': 15,
            'model': 15,
            'vin': 30,
            'year_of_manufacture': 20
        }
        
        total_score = 0
        
        # 1. license_plate
        if self.license_plate and self.license_plate.strip():
            total_score += default_weights['license_plate']
        
        # 2. make (from catalog or brand field)
        if (self.catalog and self.catalog.make) or self.brand:
            total_score += default_weights['make']
        
        # 3. model (from catalog or model field)
        if (self.catalog and self.catalog.model) or self.model:
            total_score += default_weights['model']
        
        # 4. vin
        if self.vin and self.vin.strip():
            total_score += default_weights['vin']
        
        # 5. year_of_manufacture
        if self.year_of_manufacture:
            total_score += default_weights['year_of_manufacture']
        
        return min(total_score, 100)


class AssetFinancials(Base):
    """ I. Beszerzés és IV. Értékcsökkenés (Amortizáció). """
    __tablename__ = "asset_financials"
    __table_args__ = {"schema": "vehicle"}
    id: Mapped[int] = mapped_column(Integer, primary_key=True)
    asset_id: Mapped[uuid.UUID] = mapped_column(PG_UUID(as_uuid=True), ForeignKey("vehicle.assets.id"), unique=True)
    
    purchase_price_net: Mapped[float] = mapped_column(Numeric(18, 2))
    purchase_price_gross: Mapped[float] = mapped_column(Numeric(18, 2))
    vat_rate: Mapped[float] = mapped_column(Numeric(5, 2), default=27.00)
    activation_date: Mapped[Optional[datetime]] = mapped_column(DateTime)
    verified_purchase_date: Mapped[Optional[datetime]] = mapped_column(DateTime, nullable=True)
    financing_type: Mapped[str] = mapped_column(String(50))
    accounting_details: Mapped[dict] = mapped_column(JSONB, server_default=text("'{}'::jsonb"))
    
    asset: Mapped["Asset"] = relationship("Asset", back_populates="financials")


class AssetCost(Base):
    """ II. Üzemeltetés és TCO kimutatás. """
    __tablename__ = "asset_costs"
    __table_args__ = {"schema": "vehicle"}
    id: Mapped[uuid.UUID] = mapped_column(PG_UUID(as_uuid=True), primary_key=True, default=uuid.uuid4)
    asset_id: Mapped[uuid.UUID] = mapped_column(PG_UUID(as_uuid=True), ForeignKey("vehicle.assets.id"), nullable=False)
    organization_id: Mapped[int] = mapped_column(Integer, ForeignKey("fleet.organizations.id"), nullable=False)
    
    cost_category: Mapped[str] = mapped_column(String(50), index=True) 
    amount_net: Mapped[float] = mapped_column(Numeric(18, 2), nullable=False)
    currency: Mapped[str] = mapped_column(String(3), default="HUF")
    date: Mapped[datetime] = mapped_column(DateTime(timezone=True), server_default=func.now())
    invoice_number: Mapped[Optional[str]] = mapped_column(String(100), index=True)
    
    data: Mapped[dict] = mapped_column(JSONB, server_default=text("'{}'::jsonb"))
    asset: Mapped["Asset"] = relationship("Asset", back_populates="costs")
    organization: Mapped["Organization"] = relationship("Organization")


class VehicleLogbook(Base):
    """ Útnyilvántartás (NAV, Kiküldetés, Munkábajárás). """
    __tablename__ = "vehicle_logbook"
    __table_args__ = {"schema": "vehicle"}
    id: Mapped[int] = mapped_column(Integer, primary_key=True)
    asset_id: Mapped[uuid.UUID] = mapped_column(PG_UUID(as_uuid=True), ForeignKey("vehicle.assets.id"), nullable=False)
    driver_id: Mapped[int] = mapped_column(Integer, ForeignKey("identity.users.id"), nullable=False)
    
    trip_type: Mapped[str] = mapped_column(String(30), index=True)
    is_reimbursable: Mapped[bool] = mapped_column(Boolean, default=False)
    start_mileage: Mapped[int] = mapped_column(Integer)
    end_mileage: Mapped[Optional[int]] = mapped_column(Integer)
    distance_km: Mapped[Optional[float]] = mapped_column(Numeric(10, 2), nullable=True)
    
    # GPS koordináták
    start_lat: Mapped[Optional[float]] = mapped_column(Numeric(10, 6), nullable=True)
    start_lng: Mapped[Optional[float]] = mapped_column(Numeric(10, 6), nullable=True)
    end_lat: Mapped[Optional[float]] = mapped_column(Numeric(10, 6), nullable=True)
    end_lng: Mapped[Optional[float]] = mapped_column(Numeric(10, 6), nullable=True)
    gps_calculated_distance: Mapped[Optional[float]] = mapped_column(Numeric(10, 2), nullable=True)
    
    obd_verified: Mapped[bool] = mapped_column(Boolean, default=False)
    max_acceleration: Mapped[Optional[float]] = mapped_column(Float, nullable=True)
    average_speed: Mapped[Optional[float]] = mapped_column(Float, nullable=True)
    
    asset: Mapped["Asset"] = relationship("Asset", back_populates="logbook")
    driver: Mapped["User"] = relationship("User")


class AssetInspection(Base):
    """ Napi ellenőrző lista és Biztonsági check. """
    __tablename__ = "asset_inspections"
    __table_args__ = {"schema": "vehicle"}
    id: Mapped[int] = mapped_column(Integer, primary_key=True)
    asset_id: Mapped[uuid.UUID] = mapped_column(PG_UUID(as_uuid=True), ForeignKey("vehicle.assets.id"), nullable=False)
    inspector_id: Mapped[int] = mapped_column(Integer, ForeignKey("identity.users.id"), nullable=False)
    
    timestamp: Mapped[datetime] = mapped_column(DateTime(timezone=True), server_default=func.now())
    checklist_results: Mapped[dict] = mapped_column(JSONB, nullable=False)
    is_safe: Mapped[bool] = mapped_column(Boolean, default=True)
    
    asset: Mapped["Asset"] = relationship("Asset", back_populates="inspections")
    inspector: Mapped["User"] = relationship("User")


class AssetReview(Base):
    """ Jármű értékelések és visszajelzések. """
    __tablename__ = "asset_reviews"
    __table_args__ = {"schema": "vehicle"}
    id: Mapped[int] = mapped_column(Integer, primary_key=True)
    asset_id: Mapped[uuid.UUID] = mapped_column(PG_UUID(as_uuid=True), ForeignKey("vehicle.assets.id"), nullable=False)
    user_id: Mapped[int] = mapped_column(Integer, ForeignKey("identity.users.id"), nullable=False)
    
    overall_rating: Mapped[Optional[int]] = mapped_column(Integer) # 1-5 csillag
    comment: Mapped[Optional[str]] = mapped_column(Text)
    created_at: Mapped[datetime] = mapped_column(DateTime(timezone=True), server_default=func.now())
    
    asset: Mapped["Asset"] = relationship("Asset", back_populates="reviews")
    user: Mapped["User"] = relationship("User")


class VehicleOwnership(Base):
    """ Tulajdonosváltások története. """
    __tablename__ = "vehicle_ownership_history"
    __table_args__ = {"schema": "vehicle"}
    id: Mapped[int] = mapped_column(Integer, primary_key=True)
    asset_id: Mapped[uuid.UUID] = mapped_column(PG_UUID(as_uuid=True), ForeignKey("vehicle.assets.id"), nullable=False)
    user_id: Mapped[int] = mapped_column(Integer, ForeignKey("identity.users.id"), nullable=False)
    
    acquired_at: Mapped[datetime] = mapped_column(DateTime(timezone=True), server_default=func.now())
    disposed_at: Mapped[Optional[datetime]] = mapped_column(DateTime(timezone=True))
    
    asset: Mapped["Asset"] = relationship("Asset", back_populates="ownership_history")
    # JAVÍTVA: Kapcsolat a User modellhez
    user: Mapped["User"] = relationship("User", back_populates="ownership_history")


class AssetTelemetry(Base):
    __tablename__ = "asset_telemetry"
    __table_args__ = {"schema": "vehicle"}
    id: Mapped[int] = mapped_column(Integer, primary_key=True)
    asset_id: Mapped[uuid.UUID] = mapped_column(PG_UUID(as_uuid=True), ForeignKey("vehicle.assets.id"), unique=True)
    current_mileage: Mapped[int] = mapped_column(Integer, default=0)
    asset: Mapped["Asset"] = relationship("Asset", back_populates="telemetry")


class AssetAssignment(Base):
    """ Eszköz-Szervezet összerendelés. """
    __tablename__ = "asset_assignments"
    __table_args__ = {"schema": "fleet"}
    id: Mapped[uuid.UUID] = mapped_column(PG_UUID(as_uuid=True), primary_key=True, default=uuid.uuid4)
    asset_id: Mapped[uuid.UUID] = mapped_column(PG_UUID(as_uuid=True), ForeignKey("vehicle.assets.id"), nullable=False)
    organization_id: Mapped[int] = mapped_column(Integer, ForeignKey("fleet.organizations.id"), nullable=False)
    status: Mapped[str] = mapped_column(String(30), default="active")
    
    asset: Mapped["Asset"] = relationship("Asset", back_populates="assignments")
    organization: Mapped["Organization"] = relationship("Organization", back_populates="assets")


class AssetEventTypeEnum(str, enum.Enum):
    """Digitális Szervizkönyv eseménytípusok."""
    SERVICE = "SERVICE"  # Szerviz
    REPAIR = "REPAIR"  # Javítás
    ACCIDENT = "ACCIDENT"  # Baleset
    INSPECTION = "INSPECTION"  # Műszaki vizsga
    TIRE_CHANGE = "TIRE_CHANGE"  # Gumi csere
    MAINTENANCE = "MAINTENANCE"  # Karbantartás
    UPGRADE = "UPGRADE"  # Fejlesztés
    RECALL = "RECALL"  # Visszahívás


class AssetEvent(Base):
    """ Digitális Szervizkönyv - Szerviz, baleset és egyéb jelentős események. """
    __tablename__ = "asset_events"
    __table_args__ = {"schema": "vehicle"}
    
    id: Mapped[uuid.UUID] = mapped_column(PG_UUID(as_uuid=True), primary_key=True, default=uuid.uuid4)
    asset_id: Mapped[uuid.UUID] = mapped_column(PG_UUID(as_uuid=True), ForeignKey("vehicle.assets.id"), nullable=False)
    user_id: Mapped[Optional[int]] = mapped_column(Integer, ForeignKey("identity.users.id"), nullable=True)
    organization_id: Mapped[Optional[int]] = mapped_column(Integer, ForeignKey("fleet.organizations.id"), nullable=True)
    
    event_type: Mapped[str] = mapped_column(String(50), nullable=False)  # AssetEventTypeEnum értékek
    odometer_reading: Mapped[Optional[int]] = mapped_column(Integer)  # Km óra állás az eseménykor
    description: Mapped[Optional[str]] = mapped_column(Text)
    cost_id: Mapped[Optional[uuid.UUID]] = mapped_column(PG_UUID(as_uuid=True), ForeignKey("vehicle.asset_costs.id"), nullable=True)
    
    event_date: Mapped[datetime] = mapped_column(DateTime(timezone=True), server_default=func.now())
    created_at: Mapped[datetime] = mapped_column(DateTime(timezone=True), server_default=func.now())
    updated_at: Mapped[Optional[datetime]] = mapped_column(DateTime(timezone=True), onupdate=func.now())
    
    # Relationships
    asset: Mapped["Asset"] = relationship("Asset", back_populates="events")
    user: Mapped[Optional["User"]] = relationship("User")
    organization: Mapped[Optional["Organization"]] = relationship("Organization")
    cost: Mapped[Optional["AssetCost"]] = relationship("AssetCost")


class ExchangeRate(Base):
    __tablename__ = "exchange_rates"
    __table_args__ = {"schema": "finance"}
    id: Mapped[int] = mapped_column(Integer, primary_key=True)
    rate: Mapped[float] = mapped_column(Numeric(18, 6), nullable=False)


class CatalogDiscovery(Base):
    """ Robot munkaterület a felfedezett modelleknek. """
    __tablename__ = "catalog_discovery"
    __table_args__ = (
        # KIBŐVÍTETT EGYEDISÉGI SZABÁLY: Márka + Modell + Osztály + Piac + Évjárat
        UniqueConstraint('make', 'model', 'vehicle_class', 'market', 'model_year', name='_make_model_market_year_uc'),
        # Alapvető egyediség: make + model + vehicle_class (piac és évjárat nélkül)
        UniqueConstraint('make', 'model', 'vehicle_class', name='uq_make_model_class'),
        {"schema": "vehicle"}
    )
    id: Mapped[int] = mapped_column(Integer, primary_key=True, index=True)
    make: Mapped[str] = mapped_column(String(100), nullable=False, index=True)
    model: Mapped[str] = mapped_column(String(100), nullable=False, index=True)
    vehicle_class: Mapped[str] = mapped_column(String(50), server_default=text("'car'"), index=True)
    
    # --- ÚJ MEZŐK A STATISZTIKÁHOZ ÉS PIACAZONOSÍTÁSHOZ ---
    market: Mapped[str] = mapped_column(String(20), server_default=text("'GLOBAL'"), index=True) # pl: RDW, DVLA, USA_IMPORT
    model_year: Mapped[Optional[int]] = mapped_column(Integer, index=True)
    
    # Robot vezérlés
    status: Mapped[str] = mapped_column(String(20), server_default=text("'pending'"), index=True)
    source: Mapped[Optional[str]] = mapped_column(String(100)) # pl: STRATEGIST-V2, NHTSA-V1
    priority_score: Mapped[int] = mapped_column(Integer, server_default=text("0"))
    attempts: Mapped[int] = mapped_column(Integer, server_default=text("0"))
    
    created_at: Mapped[datetime] = mapped_column(DateTime(timezone=True), server_default=func.now())
    updated_at: Mapped[datetime] = mapped_column(DateTime(timezone=True), server_default=func.now(), onupdate=func.now())


class VehicleExpenses(Base):
    """ Jármű költségek a jelentésekhez. """
    __tablename__ = "vehicle_expenses"
    __table_args__ = {"schema": "vehicle"}
    
    id: Mapped[uuid.UUID] = mapped_column(PG_UUID(as_uuid=True), primary_key=True, default=uuid.uuid4)
    vehicle_id: Mapped[uuid.UUID] = mapped_column(PG_UUID(as_uuid=True), ForeignKey("vehicle.assets.id"), nullable=False, index=True)
    category: Mapped[str] = mapped_column(String(50), nullable=False, index=True)
    amount: Mapped[float] = mapped_column(Numeric(18, 2), nullable=False)
    date: Mapped[datetime] = mapped_column(DateTime(timezone=True), server_default=func.now(), index=True)
    description: Mapped[Optional[str]] = mapped_column(Text)
    
    created_at: Mapped[datetime] = mapped_column(DateTime(timezone=True), server_default=func.now())
    
    # Relationship
    asset: Mapped["Asset"] = relationship("Asset")


class VehicleTransferRequest(Base):
    """Járműátadási kérelem - asset átruházás másik tulajdonosnak vagy szervezetnek."""
    __tablename__ = "vehicle_transfer_requests"
    __table_args__ = {"schema": "vehicle"}
    
    id: Mapped[uuid.UUID] = mapped_column(PG_UUID(as_uuid=True), primary_key=True, default=uuid.uuid4)
    asset_id: Mapped[uuid.UUID] = mapped_column(PG_UUID(as_uuid=True), ForeignKey("vehicle.assets.id"), nullable=False, index=True)
    requester_id: Mapped[int] = mapped_column(Integer, ForeignKey("identity.users.id"), nullable=False, index=True)
    current_owner_id: Mapped[Optional[int]] = mapped_column(Integer, ForeignKey("identity.persons.id"), nullable=True, index=True)
    status: Mapped[str] = mapped_column(String(20), default="pending", index=True)
    proof_document_id: Mapped[Optional[uuid.UUID]] = mapped_column(PG_UUID(as_uuid=True), ForeignKey("system.documents.id"), nullable=True)
    
    requested_at: Mapped[datetime] = mapped_column(DateTime(timezone=True), server_default=func.now())
    processed_at: Mapped[Optional[datetime]] = mapped_column(DateTime(timezone=True))
    notes: Mapped[Optional[str]] = mapped_column(Text)
    
    # Relationships
    asset: Mapped["Asset"] = relationship("Asset")
    requester: Mapped["User"] = relationship("User", foreign_keys=[requester_id])
    current_owner: Mapped[Optional["Person"]] = relationship("Person", foreign_keys=[current_owner_id])
    proof_document: Mapped[Optional["Document"]] = relationship("Document")