from django.db import models


class TtAcademicTerm(models.Model):
    id = models.BigAutoField(primary_key=True)
    code = models.CharField(max_length=150)
    name = models.CharField(max_length=255)
    start_date = models.DateField()
    end_date = models.DateField()
    start_time = models.TimeField()
    end_time = models.TimeField()
    status = models.SmallIntegerField()
    created_by = models.BigIntegerField(null=True)
    created_at = models.DateTimeField(auto_now_add=True)
    updated_by = models.BigIntegerField(null=True)
    updated_at = models.DateTimeField(auto_now=True)

    week = models.ManyToManyField("api.TtWeek", through="api.TtAcademicTermWeek")

    STATUS_TO_CODE = {
        "active": 1,
        "inactive": 2,
    }

    class Meta:
        db_table = "tt_academic_term"

    def __str__(self) -> str:
        return self.name