from sqlalchemy import Column, String, Integer, DateTime, Float, Text, Boolean
from sqlalchemy.dialects.postgresql import UUID
from datetime import datetime
from app.database import Base
import uuid


class PaymentTransaction(Base):
    __tablename__ = "payment_transactions"

    id = Column(UUID(as_uuid=True), primary_key=True, default=uuid.uuid4)
    user_id = Column(UUID(as_uuid=True), nullable=False, index=True)
    order_no = Column(String(64), unique=True, nullable=False, index=True)
    gateway_order_id = Column(String(128), nullable=True)
    gateway_order_no = Column(String(128), nullable=True)
    plan = Column(String(50), nullable=False)
    amount = Column(Float, nullable=False)
    currency = Column(String(10), default="CNY")
    gateway = Column(String(20), nullable=False)
    pay_type = Column(String(20), nullable=False)
    status = Column(String(20), default="pending")
    description = Column(Text, nullable=True)
    refund_amount = Column(Float, default=0)
    refund_reason = Column(Text, nullable=True)
    paid_at = Column(DateTime, nullable=True)
    refunded_at = Column(DateTime, nullable=True)
    notify_raw = Column(Text, nullable=True)
    created_at = Column(DateTime, default=datetime.utcnow)
    updated_at = Column(DateTime, default=datetime.utcnow, onupdate=datetime.utcnow)