from sqlalchemy import Column, Integer, String, DateTime, JSON, ForeignKey, text, Numeric, Boolean, BigInteger
from sqlalchemy.sql import func
from app.db.base_class import Base

class SecurityAuditLog(Base):
    """ Kiemelt biztonsági események és a 4-szem elv. """
    __tablename__ = "security_audit_logs"
    __table_args__ = {"schema": "data", "extend_existing": True}

    id = Column(Integer, primary_key=True)
    action = Column(String(50)) # 'ROLE_CHANGE', 'MANUAL_CREDIT_ADJUST', 'SUB_EXTEND'
    
    actor_id = Column(Integer, ForeignKey("data.users.id")) # Aki kezdeményezte
    target_id = Column(Integer, ForeignKey("data.users.id")) # Akivel történt
    
    confirmed_by_id = Column(Integer, ForeignKey("data.users.id"), nullable=True)
    is_critical = Column(Boolean, default=False)
    
    payload_before = Column(JSON)
    payload_after = Column(JSON)
    created_at = Column(DateTime(timezone=True), server_default=func.now())

class OperationalLog(Base):
    """ Felhasználói szintű napi üzemi események (Audit Trail). """
    __tablename__ = "operational_logs"
    __table_args__ = {"schema": "data", "extend_existing": True}
    
    id = Column(Integer, primary_key=True, index=True)
    user_id = Column(Integer, ForeignKey("data.users.id", ondelete="SET NULL"), nullable=True)
    action = Column(String(100), nullable=False) # pl. "ADD_VEHICLE"
    resource_type = Column(String(50)) 
    resource_id = Column(String(100))
    details = Column(JSON, server_default=text("'{}'::jsonb"))
    ip_address = Column(String(45))
    created_at = Column(DateTime(timezone=True), server_default=func.now())

class ProcessLog(Base):
    """ Robotok és háttérfolyamatok futási naplója (A reggeli jelentésekhez). """
    __tablename__ = "process_logs" # Külön tábla a tisztaság kedvéért
    __table_args__ = {"schema": "data", "extend_existing": True}

    id = Column(Integer, primary_key=True)
    process_name = Column(String(100), index=True) # 'Master-Enricher'
    start_time = Column(DateTime(timezone=True), server_default=func.now())
    end_time = Column(DateTime(timezone=True))
    items_processed = Column(Integer, default=0)
    items_failed = Column(Integer, default=0)
    details = Column(JSON, server_default=text("'{}'::jsonb"))
    created_at = Column(DateTime(timezone=True), server_default=func.now())

class FinancialLedger(Base):
    """ Minden pénz- és kreditmozgás központi naplója. """
    __tablename__ = "financial_ledger"
    __table_args__ = {"schema": "data", "extend_existing": True}

    id = Column(Integer, primary_key=True)
    user_id = Column(Integer, ForeignKey("data.users.id"))
    person_id = Column(BigInteger, ForeignKey("data.persons.id"))
    amount = Column(Numeric(18, 4), nullable=False)
    currency = Column(String(10)) 
    transaction_type = Column(String(50)) 
    related_agent_id = Column(Integer, ForeignKey("data.users.id"), nullable=True)
    details = Column(JSON, server_default=text("'{}'::jsonb"))
    created_at = Column(DateTime(timezone=True), server_default=func.now())