# Generated by Django 4.2.29 on 2026-03-25 12:42

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


class Migration(migrations.Migration):

    initial = True

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

    operations = [
        migrations.CreateModel(
            name='Conversation',
            fields=[
                ('id', models.UUIDField(default=uuid.uuid4, editable=False, primary_key=True, serialize=False)),
                ('session_key', models.CharField(blank=True, db_index=True, default='', help_text='For anonymous users, ties conversation to browser session', max_length=200)),
                ('title', models.CharField(blank=True, default='', max_length=300)),
                ('created_at', models.DateTimeField(auto_now_add=True)),
                ('updated_at', models.DateTimeField(auto_now=True)),
                ('user', models.ForeignKey(blank=True, null=True, on_delete=django.db.models.deletion.SET_NULL, related_name='conversations', to=settings.AUTH_USER_MODEL)),
            ],
            options={
                'ordering': ['-updated_at'],
            },
        ),
        migrations.CreateModel(
            name='UserPreferenceProfile',
            fields=[
                ('id', models.BigAutoField(auto_created=True, primary_key=True, serialize=False, verbose_name='ID')),
                ('preferred_brands', models.JSONField(blank=True, default=list)),
                ('preferred_categories', models.JSONField(blank=True, default=list)),
                ('preferred_stores', models.JSONField(blank=True, default=list)),
                ('budget_min', models.DecimalField(blank=True, decimal_places=2, max_digits=10, null=True)),
                ('budget_max', models.DecimalField(blank=True, decimal_places=2, max_digits=10, null=True)),
                ('sizes', models.JSONField(blank=True, default=dict, help_text='e.g. {"shoes": "42", "shirt": "L"}')),
                ('gender', models.CharField(blank=True, default='', max_length=20)),
                ('attribute_weights', models.JSONField(blank=True, default=dict, help_text='e.g. {"price": 0.8, "brand": 0.3, "color": 0.2}')),
                ('updated_at', models.DateTimeField(auto_now=True)),
                ('user', models.OneToOneField(on_delete=django.db.models.deletion.CASCADE, related_name='preference_profile', to=settings.AUTH_USER_MODEL)),
            ],
        ),
        migrations.CreateModel(
            name='Message',
            fields=[
                ('id', models.BigAutoField(auto_created=True, primary_key=True, serialize=False, verbose_name='ID')),
                ('role', models.CharField(choices=[('user', 'User'), ('assistant', 'Assistant'), ('system', 'System')], max_length=10)),
                ('content', models.TextField()),
                ('product_data', models.JSONField(blank=True, help_text='Structured product results attached to this message', null=True)),
                ('metadata', models.JSONField(blank=True, help_text='Extracted slots, intent, or other engine metadata', null=True)),
                ('feedback', models.CharField(blank=True, choices=[('up', 'Thumbs Up'), ('down', 'Thumbs Down'), ('', 'No Feedback')], default='', help_text='User thumbs up/down on this assistant response', max_length=10)),
                ('feedback_note', models.TextField(blank=True, default='', help_text='Optional text note attached to feedback')),
                ('created_at', models.DateTimeField(auto_now_add=True)),
                ('conversation', models.ForeignKey(on_delete=django.db.models.deletion.CASCADE, related_name='messages', to='chat.conversation')),
            ],
            options={
                'ordering': ['created_at'],
            },
        ),
        migrations.CreateModel(
            name='ProductInteraction',
            fields=[
                ('id', models.BigAutoField(auto_created=True, primary_key=True, serialize=False, verbose_name='ID')),
                ('session_key', models.CharField(blank=True, db_index=True, default='', max_length=200)),
                ('product_name', models.CharField(max_length=300)),
                ('store_name', models.CharField(blank=True, default='', max_length=200)),
                ('store_slug', models.CharField(blank=True, default='', max_length=200)),
                ('category', models.CharField(blank=True, default='', max_length=100)),
                ('brand', models.CharField(blank=True, default='', max_length=100)),
                ('price', models.FloatField(blank=True, null=True)),
                ('currency', models.CharField(blank=True, default='', max_length=10)),
                ('query_context', models.JSONField(blank=True, help_text='The query params that produced this product result', null=True)),
                ('action', models.CharField(choices=[('click', 'Clicked / Viewed'), ('add_cart', 'Added to Cart'), ('dismiss', 'Dismissed / Not Interested'), ('purchase', 'Purchased'), ('positive_feedback', 'Associated with Positive Response Feedback'), ('negative_feedback', 'Associated with Negative Response Feedback')], default='click', max_length=30)),
                ('created_at', models.DateTimeField(auto_now_add=True)),
                ('conversation', models.ForeignKey(blank=True, null=True, on_delete=django.db.models.deletion.CASCADE, related_name='product_interactions', to='chat.conversation')),
                ('user', models.ForeignKey(blank=True, null=True, on_delete=django.db.models.deletion.SET_NULL, related_name='product_interactions', to=settings.AUTH_USER_MODEL)),
            ],
            options={
                'ordering': ['-created_at'],
                'indexes': [models.Index(fields=['session_key', '-created_at'], name='chat_produc_session_d05a5a_idx'), models.Index(fields=['user', '-created_at'], name='chat_produc_user_id_71b7ca_idx')],
            },
        ),
    ]