from sqlalchemy import DATETIME,Column,Integer,String,DATE,ForeignKey,Numeric
from datetime import datetime
from util.database import Base,engine

class Student_Model(Base):
    __tablename__ = 'wl_student'

    stu_id = Column(Integer
                    , primary_key=True
                    , autoincrement=True
                    ,comment='学生编号')

    class_id = Column(Integer
                    ,ForeignKey('wl_class.class_id')
                    ,comment='班级编号'
                    )

    stu_name=Column(String(100),comment='学生姓名')

    age=Column(Integer,comment='年龄')

    gender=Column(String(50),comment='性别')

    native_place=Column(String(200),comment='籍贯')

    birthday=Column(DATE,comment='生日')

    school=Column(String(100),comment='毕业学校')

    major=Column(String(50),comment='专业')

    degree=Column(String(50),comment='学历')

    admission_date=Column(DATE,comment='入学日期')

    graduation_date=Column(DATE,comment='毕业日期')

    progress=Column(Integer,default=0,comment='课程进度:学习中=0，求职中=1，已就业=2')

    create_date=Column(DATETIME
                       ,default=datetime.now)

    update_date=Column(DATETIME
                       ,default=datetime.now
                       ,onupdate=datetime.now)

    delete_status = Column(
        Integer,default=0,comment='删除状态：0未删除，1已删除')

    delete_time = Column(DATETIME,comment='删除时间')

class ClassManagement(Base):
    __tablename__ = "wl_class"

    class_id= Column(Integer, primary_key=True, autoincrement=True,comment='班级编号')

    class_name = Column(String(100), comment='班级姓名')

    start_class_date = Column(DATE,comment='开课时间')

    head_teacher_id= Column(Integer,ForeignKey('wl_teacher.teac_id'),comment='班主任')

    class_teacher_id = Column(Integer,ForeignKey('wl_teacher.teac_id'),comment='授课教师')

    Entry_date= Column(DATETIME,default=datetime.now,comment='录入时间')

    update_date = Column(DATETIME,default=datetime.now,onupdate=datetime.now,comment='更新时间')

    delete_status = Column(Integer,default=0,comment='删除状态：0未删除，1已删除')

    delete_time = Column(DATETIME,comment='删除时间')

class Teacher_Model(Base):
    __tablename__ = 'wl_teacher'

    teac_id=Column(Integer,primary_key=True,autoincrement=True,comment='老师编号')

    teac_name=Column(String(100),comment='老师姓名')

    teac_gender=Column(String(100),comment='老师性别')

    teac_age=Column(Integer,comment='老师年龄')

    teac_position =Column(String(100),comment='老师职位')

    create_date=Column(DATETIME,default=datetime.now)

    update_date=Column(DATETIME,default=datetime.now,onupdate=datetime.now)

    delete_status = Column(Integer,default=0,comment='删除状态：0未删除，1已删除')

    delete_time = Column(DATETIME,comment='删除时间')

class Employment_info(Base):
    __tablename__ = 'wl_employment'

    emp_id = Column(Integer
                    ,primary_key=True
                    ,autoincrement=True
                    ,comment='序号'
                    )

    stu_id = Column(Integer
                    ,ForeignKey('wl_student.stu_id')
                    ,nullable=False
                    ,comment='学生编号'
                    )

    email = Column(String(50)
                   ,unique=True
                   ,comment='邮箱'
                   )

    employment_opening_date = Column(DATE
                                    ,comment='就业开放日期'
                                    )

    offer_issuance_date = Column(DATE
                                 ,comment='offer下发日期'
                                 )

    company_name = Column(String(50)
                          ,comment='就业公司名称'
                          )

    company_address = Column(String(100)
                             ,comment='就业公司地址'
                             )

    salary = Column(Integer
                    ,comment='薪资'
                    )

    create_time = Column(DATETIME
                         ,default=datetime.now
                         ,comment='创建时间'
                         )

    update_time = Column(DATETIME
                         ,default=datetime.now
                         ,onupdate=datetime.now
                         ,comment='更新时间'
                         )

    delete_status = Column(
        Integer,default=0,comment='删除状态：0未删除，1已删除')

    delete_time = Column(DATETIME,default=None,comment='删除时间')

class WlScore(Base):
    __tablename__ = 'wl_score'

    score_id = Column(Integer
                    ,primary_key=True
                    ,autoincrement=True
                    ,comment='序号'
                    )

    stu_id = Column( Integer
                    ,ForeignKey('wl_student.stu_id')
                    ,comment='学生编号')

    exam_order = Column(Integer
                        , nullable=False
                        , comment="考核序次")

    score=Column(Numeric(5, 2)
                 , comment="成绩")

    create_time = Column(DATETIME
                         , nullable=False
                         , default=datetime.now
                         , comment="作成时间")

    update_time = Column(DATETIME
                         , nullable=False
                         , default=datetime.now
                         , onupdate=datetime.now
                         , comment="更新时间")

    delete_status = Column(
        Integer,default=0,comment='删除状态：0未删除，1已删除')

    delete_time = Column(DATETIME,comment='删除时间')

Base.metadata.create_all(engine)