from sqlalchemy import Column, Integer, String, DateTime, ForeignKey, DECIMAL
from sqlalchemy.sql import func
from pydantic import BaseModel, Field
from typing import Optional
from datetime import datetime
from .database import Base

class PointRecordDB(Base):
    __tablename__ = "point_records"

    id = Column(Integer, primary_key=True, autoincrement=True)
    user_id = Column(Integer, ForeignKey("users.userid"), nullable=False)
    points = Column(DECIMAL(10,1), nullable=False)
    description = Column(String(200), nullable=False)
    create_time = Column(DateTime(timezone=True), server_default=func.now())

class PointRecordCreate(BaseModel):
    user_id: int = Field(..., description="用户ID")
    points: float = Field(..., description="积分变动值，可为正或负")
    description: str = Field(..., min_length=1, max_length=200)

class PointRecordInfo(BaseModel):
    id: int
    user_id: int
    points: float
    description: str
    create_time: datetime
    
    class Config:
        from_attributes = True