from datetime import date, datetime
from sqlalchemy import Column, String, BigInteger, Date, DateTime
from sqlalchemy.orm import relationship
from config.database import Base


class WarehouseReceipt(Base):
    """
    入库单表 对应数据库表 warehouse_receipt
    """
    __tablename__ = 'warehouse_receipt'

    receipt_id = Column(BigInteger, primary_key=True, autoincrement=True, comment='入库单ID')
    receipt_no = Column(String(50), nullable=False, unique=True, comment='入库单号')
    commission_no = Column(String(100), comment='样品委托单号')
    client_unit = Column(String(200), comment='委托单位')
    client_contact = Column(String(100), comment='委托人')
    receipt_date = Column(Date, comment='收样日期')
    source_location = Column(String(200), comment='来源地')
    delivery_person = Column(String(100), comment='送样人')
    receipt_method = Column(String(50), comment='收样方式')
    receipt_method_detail = Column(String(200), comment='收样方式详情')
    receiver = Column(String(100), comment='收样人')
    recorder = Column(String(100), comment='入库记录人')
    purpose = Column(String(50), comment='来样目的')
    purpose_detail = Column(String(500), comment='来样目的详情')
    status = Column(String(1), default='0', comment='状态')
    remark = Column(String(500), comment='备注')
    create_by = Column(String(64), default='', comment='创建者')
    create_time = Column(DateTime, comment='创建时间')
    update_by = Column(String(64), default='', comment='更新者')
    update_time = Column(DateTime, comment='更新时间')
    del_flag = Column(String(1), default='0', comment='删除标志')

    # 关联样品
    samples = relationship('WarehouseSample', back_populates='receipt', cascade='all, delete-orphan')

    __table_args__ = {'comment': '入库单表'}