"""Independent, feature-gated mobile stop snapshots; existing table SELECTs are unchanged."""
from datetime import datetime
from sqlalchemy import Column, DateTime, Index, Integer, SmallInteger, String
from app.core.database import Base


class PlPlanStopProductMeta(Base):
    __tablename__ = 'pl_plan_stop_product_meta'
    __table_args__ = (Index('ix_pl_stop_meta_scope', 'tenant_no', 'plan_id', 'del_flag'),
                      Index('ix_pl_stop_meta_row', 'tenant_no', 'stop_type', 'stop_product_id'))
    id = Column(String(64), primary_key=True)
    plan_id = Column(String(64), nullable=False, default='')
    stop_type = Column(String(16), nullable=False, default='')
    stop_id = Column(String(64), nullable=False, default='')
    stop_product_id = Column(String(64), nullable=False, default='')
    contract_id = Column(String(64), nullable=False, default='')
    contract_product_id = Column(String(64), nullable=False, default='')
    product_id = Column(String(64), nullable=False, default='')
    package_spec = Column(String(200), nullable=False, default='')
    model = Column(String(100), nullable=False, default='')
    unit = Column(String(20), nullable=False, default='')
    product_name = Column(String(200), nullable=False, default='')
    # No default: explicit None must persist as SQL NULL rather than an empty alias.
    alias_name = Column(String(200), nullable=True)
    brand_mode = Column(String(20), nullable=False, default='')
    brand_id = Column(String(64), nullable=False, default='')
    brand_name = Column(String(200), nullable=False, default='')
    source_product_name = Column(String(200), nullable=False, default='')
    source_brand_mode = Column(String(20), nullable=False, default='')
    source_brand_id = Column(String(64), nullable=False, default='')
    source_brand_name = Column(String(200), nullable=False, default='')
    tenant_no = Column(String(64), nullable=False)
    order_num = Column(Integer, nullable=True)
    remark = Column(String(512), nullable=True)
    create_by = Column(String(64), nullable=True)
    create_dept_id = Column(String(64), nullable=False, default='')
    create_time = Column(DateTime, nullable=False, default=datetime.now)
    update_by = Column(String(64), nullable=True)
    update_time = Column(DateTime, nullable=False, default=datetime.now, onupdate=datetime.now)
    del_flag = Column(SmallInteger, nullable=False, default=0)