# /opt/docker/dev/service_finder/backend/app/models/audit.py
from datetime import datetime
from typing import Any, Optional
from sqlalchemy import String, DateTime, JSON, ForeignKey, text, Numeric, Boolean, BigInteger, Integer
from sqlalchemy.orm import Mapped, mapped_column, relationship
from sqlalchemy.sql import func
from app.database import Base

class SecurityAuditLog(Base):
    """ Kiemelt biztonsági események és a 4-szem elv naplózása. """
    __tablename__ = "security_audit_logs"

    id: Mapped[int] = mapped_column(Integer, primary_key=True)
    action: Mapped[Optional[str]] = mapped_column(String(50)) # 'ROLE_CHANGE', 'MANUAL_CREDIT_ADJUST'
    
    actor_id: Mapped[Optional[int]] = mapped_column(Integer, ForeignKey("identity.users.id"))
    target_id: Mapped[Optional[int]] = mapped_column(Integer, ForeignKey("identity.users.id"))
    confirmed_by_id: Mapped[Optional[int]] = mapped_column(Integer, ForeignKey("identity.users.id"), nullable=True)
    
    is_critical: Mapped[bool] = mapped_column(Boolean, default=False)
    payload_before: Mapped[Any] = mapped_column(JSON)
    payload_after: Mapped[Any] = mapped_column(JSON)
    created_at: Mapped[datetime] = mapped_column(DateTime(timezone=True), server_default=func.now())

class OperationalLog(Base):
    """ Felhasználói szintű napi üzemi események (Audit Trail). """
    __tablename__ = "operational_logs"
    
    id: Mapped[int] = mapped_column(Integer, primary_key=True, index=True)
    user_id: Mapped[Optional[int]] = mapped_column(Integer, ForeignKey("identity.users.id", ondelete="SET NULL"))
    action: Mapped[str] = mapped_column(String(100), nullable=False) # pl. "ADD_VEHICLE"
    resource_type: Mapped[Optional[str]] = mapped_column(String(50)) 
    resource_id: Mapped[Optional[str]] = mapped_column(String(100))
    details: Mapped[Any] = mapped_column(JSON, server_default=text("'{}'::jsonb"))
    ip_address: Mapped[Optional[str]] = mapped_column(String(45))
    created_at: Mapped[datetime] = mapped_column(DateTime(timezone=True), server_default=func.now())

class ProcessLog(Base):
    """ Robotok és háttérfolyamatok futási naplója (A reggeli jelentésekhez). """
    __tablename__ = "process_logs"

    id: Mapped[int] = mapped_column(Integer, primary_key=True)
    process_name: Mapped[str] = mapped_column(String(100), index=True) # 'Master-Enricher'
    start_time: Mapped[datetime] = mapped_column(DateTime(timezone=True), server_default=func.now())
    end_time: Mapped[Optional[datetime]] = mapped_column(DateTime(timezone=True))
    items_processed: Mapped[int] = mapped_column(Integer, default=0)
    items_failed: Mapped[int] = mapped_column(Integer, default=0)
    details: Mapped[Any] = mapped_column(JSON, server_default=text("'{}'::jsonb"))
    created_at: Mapped[datetime] = mapped_column(DateTime(timezone=True), server_default=func.now())

class FinancialLedger(Base):
    """ Minden pénz- és kreditmozgás központi naplója. Billing Engine alapja. """
    __tablename__ = "financial_ledger"

    id: Mapped[int] = mapped_column(Integer, primary_key=True)
    user_id: Mapped[Optional[int]] = mapped_column(Integer, ForeignKey("identity.users.id"))
    person_id: Mapped[Optional[int]] = mapped_column(BigInteger, ForeignKey("identity.persons.id"))
    amount: Mapped[float] = mapped_column(Numeric(18, 4), nullable=False)
    currency: Mapped[Optional[str]] = mapped_column(String(10)) 
    transaction_type: Mapped[Optional[str]] = mapped_column(String(50)) 
    related_agent_id: Mapped[Optional[int]] = mapped_column(Integer, ForeignKey("identity.users.id"))
    details: Mapped[Any] = mapped_column(JSON, server_default=text("'{}'::jsonb"))
    created_at: Mapped[datetime] = mapped_column(DateTime(timezone=True), server_default=func.now())