from datetime import datetime

from sqlalchemy import Column, DateTime, Integer, Numeric, SmallInteger, String

from app.core.database import Base


class BizMaterial(Base):
    __tablename__ = "biz_material"

    id = Column(String(64), primary_key=True, comment="主键ID")
    material_code = Column(String(64), nullable=False, comment="物料编码")
    material_name = Column(String(200), nullable=False, comment="物料名称")
    category = Column(String(50), nullable=True, comment="物料分类")
    spec_model = Column(String(200), nullable=True, comment="规格型号")
    unit = Column(String(32), nullable=True, comment="单位")
    stock_qty = Column(Numeric(18, 4), nullable=False, default=0, comment="当前库存量")
    warning_qty = Column(Numeric(18, 4), nullable=False, default=0, comment="预警库存量")
    status = Column(String(1), nullable=False, default="1", comment="1-启用 0-停用")
    image_urls = Column(String(2000), nullable=True, comment="物料图片(逗号分隔)")
    tenant_no = Column(String(64), nullable=False, default="zkxw", comment="租户编号")
    order_num = Column(Integer, nullable=True, comment="排序号")
    remark = Column(String(512), nullable=True, comment="备注")
    create_by = Column(String(64), nullable=True, comment="创建人id")
    create_dept_id = Column(String(64), nullable=False, default="", comment="创建人部门ID")
    create_time = Column(DateTime, nullable=False, default=datetime.now, comment="创建时间")
    update_by = Column(String(64), nullable=True, comment="更新人id")
    update_time = Column(DateTime, nullable=False, default=datetime.now, onupdate=datetime.now, comment="更新时间")
    del_flag = Column(SmallInteger, nullable=False, default=0, comment="删除标记")


class BizMaterialStockLog(Base):
    __tablename__ = "biz_material_stock_log"

    id = Column(String(64), primary_key=True, comment="主键ID")
    material_id = Column(String(64), nullable=False, comment="物料ID")
    material_code = Column(String(64), nullable=True, comment="物料编码快照")
    material_name = Column(String(200), nullable=True, comment="物料名称快照")
    change_type = Column(String(16), nullable=False, comment="变动类型: rk入库 / ck出库")
    change_qty = Column(Numeric(18, 4), nullable=False, comment="变动数量(正数)")
    stock_before = Column(Numeric(18, 4), nullable=False, comment="变动前库存")
    stock_after = Column(Numeric(18, 4), nullable=False, comment="变动后库存")
    receiver = Column(String(64), nullable=True, comment="领用人(出库时)")
    purpose = Column(String(512), nullable=True, comment="用途/事由")
    tenant_no = Column(String(64), nullable=False, default="zkxw", comment="租户编号")
    remark = Column(String(512), nullable=True, comment="备注")
    create_by = Column(String(64), nullable=True, comment="创建人id")
    create_dept_id = Column(String(64), nullable=False, default="", comment="创建人部门ID")
    create_time = Column(DateTime, nullable=False, default=datetime.now, comment="创建时间")
    update_by = Column(String(64), nullable=True, comment="更新人id")
    update_time = Column(DateTime, nullable=False, default=datetime.now, onupdate=datetime.now, comment="更新时间")
    del_flag = Column(SmallInteger, nullable=False, default=0, comment="删除标记")