from sqlalchemy import String, Uuid, Column, DateTime, Enum, Numeric, ForeignKey

from app.schemas.transaction import TransactionEventTriggerReason, TransactionStatus
from app.database import Base

class Transaction(Base):
    __tablename__ = "transactions"

    id = Column(String, primary_key=True)
    status = Column(Enum(TransactionStatus), index=True)
    started_at = Column(DateTime, index=True)
    ended_at = Column(DateTime, nullable=True, index=True)
    meter_start = Column(Numeric(10,2))
    meter_end = Column(Numeric(10,2), nullable=True)
    end_reason = Column(Enum(TransactionEventTriggerReason), nullable=True)
    price = Column(Numeric(10,2))

    user_id = Column(Uuid, ForeignKey("users.id"), nullable=True, index=True)
    chargepoint_id = Column(Uuid, ForeignKey("chargepoints.id"), index=True)