"""Student data model"""
from typing import Optional
from dataclasses import dataclass

@dataclass
class Student:
    student_id: str
    user_id: Optional[str]
    cgpa: float
    sgpa_sem1: Optional[float]
    sgpa_sem2: Optional[float]
    sgpa_sem3: Optional[float]
    sgpa_sem4: Optional[float]
    sgpa_sem5: Optional[float]
    sgpa_sem6: Optional[float]
    sgpa_sem7: Optional[float]
    sgpa_sem8: Optional[float]
    tenth_pct: Optional[float]
    twelfth_pct: Optional[float]
    extracurricular_text: Optional[str] = None
    certifications_text: Optional[str] = None
    internship_text: Optional[str] = None
    
    def to_dict(self):
        return {
            'student_id': self.student_id,
            'user_id': self.user_id,
            'cgpa': self.cgpa,
            'sgpa_sem1': self.sgpa_sem1,
            'sgpa_sem2': self.sgpa_sem2,
            'sgpa_sem3': self.sgpa_sem3,
            'sgpa_sem4': self.sgpa_sem4,
            'sgpa_sem5': self.sgpa_sem5,
            'sgpa_sem6': self.sgpa_sem6,
            'sgpa_sem7': self.sgpa_sem7,
            'sgpa_sem8': self.sgpa_sem8,
            'tenth_pct': self.tenth_pct,
            'twelfth_pct': self.twelfth_pct,
            'extracurricular_text': self.extracurricular_text,
            'certifications_text': self.certifications_text,
            'internship_text': self.internship_text
        }