from flask_appbuilder import Model
from sqlalchemy import Float
from sqlalchemy import Text
from sqlalchemy import BigInteger

from myapp import app
from myapp.models.helpers import ImportMixin

from sqlalchemy import Column, Integer, String, Date
from myapp.models.base import MyappModelBase
metadata = Model.metadata
conf = app.config




class Metadata_table(Model,ImportMixin,MyappModelBase):
    __tablename__ = 'metadata_table'
    id = Column(Integer, primary_key=True)
    node_id = Column(String(200))
    app = Column(String(200), nullable=True)
    c_org_fullname=Column(String(255), nullable=True, default='')
    db = Column(String(200), nullable=True)  # 库名
    table = Column(String(400),nullable=True)
    metadata_column = Column(Text, nullable=True,default='[]')
    describe = Column(String(200), nullable=True)
    owner = Column(String(200),nullable=True)
    lifecycle=Column(Integer, nullable=True, default=0)
    rec_lifecycle = Column(Integer, nullable=True, default=0)
    storage_size = Column(String(200), nullable=True,default='0')
    storage_cost = Column(Float, nullable=True, default=0)
    visits_seven = Column(Integer, nullable=True, default=0)
    visits_thirty = Column(BigInteger, nullable=True, default=0)
    visits_sixty = Column(BigInteger, nullable=True, default=0)
    recent_visit = Column(Date, nullable=True)
    partition_start = Column(String(255), nullable=True, default='')
    partition_end = Column(String(255), nullable=True, default='')
    status = Column(String(255), nullable=True, default='')
    creator = Column(String(255), nullable=True, default='')

    create_table_ddl = Column(Text, nullable=True)
    col_info = Column(Text, nullable=True)
    partition_update_mode = Column(Integer, nullable=True)
    is_privilege = Column(Integer, nullable=False,default=1)
    data_source = Column(Integer, nullable=True,default=0)

    field = Column(String(200), nullable=True,default='未知')  # 所属数据域
    security_level = Column(String(200), nullable=True,default='普通')  # 安全等级
    value_score = Column(String(200), nullable=True,default='0')   # 价值评估
    warehouse_level = Column(String(200), nullable=True,default='未知')   # 数仓级别
    ttl = Column(String(200), nullable=True)   # 保留时长

    expand = Column(Text(65536), nullable=True,default='{}')

    def __repr__(self):
        return self.table