from django.db import models
from students.models import Student

class Day(models.Model):
    class Meta:
        ordering = ('-date',)

    date = models.DateField()

    def __str__(self):
        return f"{self.date}"

class Entry(models.Model):
    class Meta:
        verbose_name_plural = 'entries'
        ordering = ('student',)

    STATUS_CHOICES = [
        ('P', 'Present'),
        ('T', 'Tardy'),
        ('A', 'Absent'),
    ]

    day = models.ForeignKey(Day, on_delete=models.CASCADE)
    student = models.ForeignKey(Student, on_delete=models.CASCADE)
    status = models.CharField(
        max_length=1,
        choices=STATUS_CHOICES,
        default='P'
    )

    def __str__(self):
        return f"{self.day} | {self.student} | {self.status}"