from datetime import datetime

from sqlalchemy import Column, Integer, String, Table, ForeignKey, DateTime, BigInteger, Text, Float, Boolean
from sqlalchemy.orm import relationship, backref

from app.models.base_model import Base

class KnowledgeModel(Base):
    __tablename__ = 'knowledgebase'
    __mapper_args__ = {
        # "order_by": 'SEQ'
    }
    id = Column(String(32), primary_key=True)
    name = Column(String(128))
    create_time = Column(BigInteger)
    create_date = Column(DateTime)
    update_time = Column(BigInteger)
    update_date = Column(DateTime)
    avatar = Column(Text)
    tenant_id = Column(String(32))
    language = Column(String(32))
    description = Column(Text)
    embd_id = Column(String(128))
    permission = Column(String(16))
    created_by = Column(String(32))
    doc_num = Column(Integer)
    token_num = Column(Integer)
    chunk_num = Column(Integer)
    similarity_threshold = Column(Float)
    vector_similarity_weight = Column(Float)
    parser_id = Column(String(32))
    parser_config = Column(Text)
    status = Column(String(1))
    hide = Column(Boolean)

    def get_id(self):
        return str(self.id)

    def to_json(self):
        return {
            'id': self.id,
            'name': self.name,
            'create_time': self.create_time,
            'update_time': self.update_time,
            'avatar': self.avatar,
            'tenant_id': self.tenant_id,
            'language': self.language,
            'description': self.description,
            'embd_id': self.embd_id,
            'permission': self.permission,
            'created_by': self.created_by,
            'doc_num': self.doc_num,
            'token_num': self.token_num,
            'chunk_num': self.chunk_num,
            'similarity_threshold': self.similarity_threshold,
            'vector_similarity_weight': self.vector_similarity_weight,
            'parser_id': self.parser_id,
            'parser_config': json.loads(self.parser_config),
            'status': self.status
        }
    def __repr__(self):
        return '<Knowledge name:%r url:%r>\n' % (self.name, self.id)