from sqlalchemy import Column, Integer, String, DateTime, ForeignKey
from sqlalchemy.orm import relationship
from .database import Base

class Criteria(Base):
    __tablename__ = "criteria"
    id = Column(Integer, primary_key=True, index=True)
    name = Column(String(255))

class Role(Base):
    __tablename__ = "roles"
    id = Column(Integer, primary_key=True, index=True)
    name = Column(String(255))

class Student(Base):
    __tablename__ = "students"
    id = Column(Integer, primary_key=True, index=True)
    first_name = Column(String(50))
    last_name = Column(String(50))
    grade = Column(String(50), default="Brak ocen")
    points = Column(Integer, nullable=True)
    status = Column(Integer)

class ClassInfo(Base):
    __tablename__ = "class_info"
    id = Column(Integer, primary_key=True, index=True)
    school = Column(String(255))
    city = Column(String(255))
    year = Column(String(50))
    semester = Column(String(50))
    subject = Column(String(255))
    level = Column(String(50))
    publisher = Column(String(255))
    class_name = Column(String(50))
    group = Column(String(50))
    profile = Column(String(255))
    max_points = Column(Integer)
    teacher = Column(String(255))
    file_path = Column(String(255))
    student_count = Column(Integer)

class Event(Base):
    __tablename__ = "events"
    id = Column(Integer, primary_key=True, index=True)
    role_id = Column(Integer, ForeignKey("roles.id"), nullable=False)
    student_id = Column(Integer, ForeignKey("students.id"), nullable=False)
    criteria_id = Column(Integer, ForeignKey("criteria.id"), nullable=False)
    description = Column(String(255))
    event_date = Column(DateTime)

    role = relationship("Role")
    student = relationship("Student")
    criteria = relationship("Criteria")