from sqlalchemy import Column, Integer, String, Float, DateTime, ForeignKey, Boolean
from sqlalchemy.orm import relationship
from app.database import Base
from datetime import datetime

class User(Base):
    __tablename__ = "users"
    id = Column(Integer, primary_key=True, index=True)
    username = Column(String, unique=True, index=True)
    email = Column(String, unique=True, index=True, nullable=True)
    hashed_password = Column(String)
    is_active = Column(Boolean, default=True)
    is_admin = Column(Boolean, default=False)
    balance = Column(Float, default=0)
    
    # 添加关系
    orders = relationship("Order", back_populates="user")

class App(Base):
    __tablename__ = "apps"
    id = Column(Integer, primary_key=True, index=True)
    name = Column(String, index=True)
    desc = Column(String)
    price = Column(Float)
    status = Column(String, default="上架")  # 上架、下架
    created_at = Column(DateTime, default=datetime.utcnow)
    
    # 添加关系
    orders = relationship("Order", back_populates="app")

class Order(Base):
    __tablename__ = "orders"
    id = Column(Integer, primary_key=True, index=True)
    user_id = Column(Integer, ForeignKey("users.id"))
    app_id = Column(Integer, ForeignKey("apps.id"))  # 添加 app_id 字段
    type = Column(String, default="应用调用")  # 订单类型
    amount = Column(Float)  # 订单金额
    description = Column(String, nullable=True)  # 订单描述
    status = Column(String)  # 订单状态：待支付、已完成、已取消等
    created_at = Column(DateTime, default=datetime.utcnow)
    
    # 添加关系
    user = relationship("User", back_populates="orders")
    app = relationship("App", back_populates="orders")

class History(Base):
    __tablename__ = "history"
    id = Column(Integer, primary_key=True, index=True)
    user_id = Column(Integer, ForeignKey('users.id'))
    type = Column(String)  # 'recharge' or 'consume'
    amount = Column(Float)
    desc = Column(String)
    created_at = Column(DateTime, default=datetime.utcnow)