import uuid

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


class Migration(migrations.Migration):
    dependencies = [
        ("finance", "0003_formulaexport"),
        migrations.swappable_dependency(settings.AUTH_USER_MODEL),
    ]

    operations = [
        migrations.CreateModel(
            name="FormulaDefinition",
            fields=[
                (
                    "id",
                    models.UUIDField(default=uuid.uuid4, editable=False, primary_key=True, serialize=False),
                ),
                ("normalized_name", models.CharField(max_length=320)),
                ("definition", models.JSONField()),
                ("created_at", models.DateTimeField(auto_now_add=True)),
                ("updated_at", models.DateTimeField(auto_now=True)),
                (
                    "dataset",
                    models.ForeignKey(
                        on_delete=django.db.models.deletion.CASCADE,
                        related_name="formula_definitions",
                        to="finance.dataset",
                    ),
                ),
                (
                    "user",
                    models.ForeignKey(
                        on_delete=django.db.models.deletion.CASCADE,
                        to=settings.AUTH_USER_MODEL,
                    ),
                ),
            ],
        ),
        migrations.AddConstraint(
            model_name="formuladefinition",
            constraint=models.UniqueConstraint(
                fields=("dataset", "user", "normalized_name"),
                name="unique_formula_definition_name",
            ),
        ),
    ]