from database import DATETIME,Base,engine
from datetime import datetime
from sqlalchemy import Column,String,Date,Integer



class Teacher(Base):
    __tablename__ = 'teacher_info'
    id = Column(Integer,primary_key=True,autoincrement=True,comment='自增主键id')
    teacher_id = Column(String(20),nullable=False,unique=True,comment='教师编号')
    teacher_name = Column(String(50),nullable=False,comment='老师姓名')
    gender = Column(Integer,nullable=False,comment='性别:0=女,1=男')
    birthday = Column(Date,nullable=True,comment='出生年月')
    native_region_code = Column(String(12),nullable=True,comment='籍贯地区编码')
    email = Column(String(100),nullable=True,comment='邮箱')
    phone = Column(String(11),nullable=False,comment='手机号')
    graduation_school = Column(String(20),nullable=True,comment='毕业院校')
    is_deleted = Column(Integer,nullable=False,default=0,comment='逻辑删除：0=未删除，1=已删除')
    create_time = Column(DATETIME,nullable=False,default=datetime.now,comment='创建时间')
    update_time = Column(DATETIME,default=datetime.now,onupdate=datetime.now,comment='更新时间')



class TeacherCourse(Base):
    __tablename__ = 'teacher_course'
    id = Column(Integer,primary_key=True,autoincrement=True,comment='记录ID')
    teacher_id = Column(String(20),nullable=False,comment='教师编号')
    course_id = Column(String(20),nullable=False,comment='任课科目编号')
    is_deleted = Column(Integer,nullable=False,default=0,comment='逻辑删除：0=未删除，1=已删除')
    create_time = Column(DATETIME,nullable=False,default=datetime.now,comment='创建时间')
    update_time = Column(DATETIME,nullable=False,default=datetime.now,onupdate=datetime.now,comment='更新时间')



if __name__ == "__main__":
    Base.metadata.create_all(engine)
    print("数据表创建完成！")