# Generated by Django 5.2.17 on 2026-09-26 14:51

import django.core.validators
import django.db.models.deletion
import uuid
from django.db import migrations, models


class Migration(migrations.Migration):

    initial = True

    dependencies = [
    ]

    operations = [
        migrations.CreateModel(
            name='Brand',
            fields=[
                ('created_at', models.DateTimeField(auto_now_add=True)),
                ('updated_at', models.DateTimeField(auto_now=True)),
                ('id', models.UUIDField(default=uuid.uuid4, editable=False, primary_key=True, serialize=False)),
                ('code', models.CharField(max_length=64, validators=[django.core.validators.RegexValidator('^[A-Z0-9][A-Z0-9_-]*$', 'Use letters, digits, hyphens or underscores; start with a letter or digit.')])),
                ('name', models.CharField(max_length=200)),
                ('description', models.TextField(blank=True)),
                ('is_active', models.BooleanField(default=True)),
            ],
            options={
                'ordering': ['code'],
                'abstract': False,
                'constraints': [models.CheckConstraint(condition=models.Q(('code__regex', '^[A-Z0-9][A-Z0-9_-]*$')), name='catalog_brand_code_format'), models.UniqueConstraint(fields=('code',), name='catalog_brand_code_uniq')],
            },
        ),
        migrations.CreateModel(
            name='ProductCategory',
            fields=[
                ('created_at', models.DateTimeField(auto_now_add=True)),
                ('updated_at', models.DateTimeField(auto_now=True)),
                ('id', models.UUIDField(default=uuid.uuid4, editable=False, primary_key=True, serialize=False)),
                ('code', models.CharField(max_length=64, validators=[django.core.validators.RegexValidator('^[A-Z0-9][A-Z0-9_-]*$', 'Use letters, digits, hyphens or underscores; start with a letter or digit.')])),
                ('name', models.CharField(max_length=200)),
                ('description', models.TextField(blank=True)),
                ('is_active', models.BooleanField(default=True)),
            ],
            options={
                'verbose_name_plural': 'product categories',
                'ordering': ['code'],
                'abstract': False,
                'constraints': [models.CheckConstraint(condition=models.Q(('code__regex', '^[A-Z0-9][A-Z0-9_-]*$')), name='catalog_productcategory_code_format'), models.UniqueConstraint(fields=('code',), name='catalog_category_code_uniq')],
            },
        ),
        migrations.CreateModel(
            name='ProductModel',
            fields=[
                ('created_at', models.DateTimeField(auto_now_add=True)),
                ('updated_at', models.DateTimeField(auto_now=True)),
                ('id', models.UUIDField(default=uuid.uuid4, editable=False, primary_key=True, serialize=False)),
                ('code', models.CharField(max_length=64, validators=[django.core.validators.RegexValidator('^[A-Z0-9][A-Z0-9_-]*$', 'Use letters, digits, hyphens or underscores; start with a letter or digit.')])),
                ('name', models.CharField(max_length=200)),
                ('description', models.TextField(blank=True)),
                ('is_active', models.BooleanField(default=True)),
                ('brand', models.ForeignKey(on_delete=django.db.models.deletion.PROTECT, related_name='product_models', to='catalog.brand')),
                ('category', models.ForeignKey(on_delete=django.db.models.deletion.PROTECT, related_name='product_models', to='catalog.productcategory')),
            ],
            options={
                'ordering': ['code'],
                'abstract': False,
            },
        ),
        migrations.CreateModel(
            name='ProductVariant',
            fields=[
                ('created_at', models.DateTimeField(auto_now_add=True)),
                ('updated_at', models.DateTimeField(auto_now=True)),
                ('id', models.UUIDField(default=uuid.uuid4, editable=False, primary_key=True, serialize=False)),
                ('code', models.CharField(max_length=64, validators=[django.core.validators.RegexValidator('^[A-Z0-9][A-Z0-9_-]*$', 'Use letters, digits, hyphens or underscores; start with a letter or digit.')])),
                ('name', models.CharField(max_length=200)),
                ('description', models.TextField(blank=True)),
                ('is_active', models.BooleanField(default=True)),
                ('product_model', models.ForeignKey(on_delete=django.db.models.deletion.PROTECT, related_name='variants', to='catalog.productmodel')),
            ],
            options={
                'ordering': ['code'],
                'abstract': False,
            },
        ),
        migrations.AddConstraint(
            model_name='productmodel',
            constraint=models.CheckConstraint(condition=models.Q(('code__regex', '^[A-Z0-9][A-Z0-9_-]*$')), name='catalog_productmodel_code_format'),
        ),
        migrations.AddConstraint(
            model_name='productmodel',
            constraint=models.UniqueConstraint(fields=('brand', 'code'), name='catalog_model_brand_code_uniq'),
        ),
        migrations.AddConstraint(
            model_name='productvariant',
            constraint=models.CheckConstraint(condition=models.Q(('code__regex', '^[A-Z0-9][A-Z0-9_-]*$')), name='catalog_productvariant_code_format'),
        ),
        migrations.AddConstraint(
            model_name='productvariant',
            constraint=models.UniqueConstraint(fields=('product_model', 'code'), name='catalog_variant_model_code_uniq'),
        ),
    ]