# Generated by Django 5.2.17 on 2026-09-24 21:03

import django.core.validators
import django.db.models.deletion
from django.conf import settings
from django.db import migrations, models

import core.utils


class Migration(migrations.Migration):
    initial = True

    dependencies = [migrations.swappable_dependency(settings.AUTH_USER_MODEL)]

    operations = [
        migrations.CreateModel(
            name="Timetable",
            fields=[
                (
                    "id",
                    models.BigAutoField(
                        auto_created=True,
                        primary_key=True,
                        serialize=False,
                        verbose_name="ID",
                    ),
                ),
                (
                    "semester",
                    models.CharField(
                        blank=True,
                        default=core.utils.get_semester_code,
                        validators=[
                            django.core.validators.RegexValidator("(A|P)\\d{2}")
                        ],
                        verbose_name="semester",
                    ),
                ),
                (
                    "user",
                    models.ForeignKey(
                        on_delete=django.db.models.deletion.CASCADE,
                        to=settings.AUTH_USER_MODEL,
                        verbose_name="user",
                    ),
                ),
            ],
            options={"verbose_name": "timetable", "verbose_name_plural": "timetables"},
        ),
        migrations.CreateModel(
            name="TimetableSlot",
            fields=[
                (
                    "id",
                    models.BigAutoField(
                        auto_created=True,
                        primary_key=True,
                        serialize=False,
                        verbose_name="ID",
                    ),
                ),
                (
                    "weekday",
                    models.SmallIntegerField(
                        choices=[
                            (1, "Monday"),
                            (2, "Tuesday"),
                            (3, "Wednesday"),
                            (4, "Thursday"),
                            (5, "Friday"),
                            (6, "Saturday"),
                            (7, "Sunday"),
                        ],
                        verbose_name="weekday",
                    ),
                ),
                (
                    "start_at",
                    models.PositiveSmallIntegerField(
                        validators=[django.core.validators.MaxValueValidator(95)],
                        verbose_name="start at",
                    ),
                ),
                (
                    "end_at",
                    models.PositiveSmallIntegerField(
                        validators=[django.core.validators.MaxValueValidator(95)],
                        verbose_name="end at",
                    ),
                ),
                (
                    "timetable",
                    models.ForeignKey(
                        on_delete=django.db.models.deletion.CASCADE,
                        related_name="slots",
                        to="timetable.timetable",
                        verbose_name="timetable",
                    ),
                ),
            ],
            options={
                "verbose_name": "timetable slot",
                "verbose_name_plural": "timetable slots",
                "permissions": [("add_self_timetable", "Can add its own timetable")],
            },
        ),
        migrations.AddConstraint(
            model_name="timetable",
            constraint=models.UniqueConstraint(
                fields=("user", "semester"), name="timetable_unique_user_semester"
            ),
        ),
        migrations.AddConstraint(
            model_name="timetableslot",
            constraint=models.CheckConstraint(
                condition=models.Q(("end_at__gt", models.F("start_at"))),
                name="timetable_slot_end_after_start",
            ),
        ),
    ]