# Generated by Django 4.2.7 on 2026-03-30 11:14

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


class Migration(migrations.Migration):

    initial = True

    dependencies = [
    ]

    operations = [
        migrations.CreateModel(
            name='KnowledgeBase',
            fields=[
                ('id', models.BigAutoField(auto_created=True, primary_key=True, serialize=False, verbose_name='ID')),
                ('name', models.CharField(max_length=255)),
                ('description', models.TextField(blank=True)),
                ('embedding_model', models.CharField(blank=True, max_length=255, null=True)),
                ('chunk_size', models.PositiveIntegerField(default=1000)),
                ('chunk_overlap', models.PositiveIntegerField(default=200)),
                ('is_active', models.BooleanField(default=True)),
                ('created_at', models.DateTimeField(auto_now_add=True)),
                ('updated_at', models.DateTimeField(auto_now=True)),
            ],
            options={
                'db_table': 'knowledge_base_knowledge_base',
            },
        ),
        migrations.CreateModel(
            name='Document',
            fields=[
                ('id', models.BigAutoField(auto_created=True, primary_key=True, serialize=False, verbose_name='ID')),
                ('source_type', models.CharField(choices=[('file', 'File'), ('google_sheet', 'Google Sheet'), ('web_url', 'Web URL')], default='file', max_length=20)),
                ('name', models.CharField(max_length=255)),
                ('file_path', models.CharField(blank=True, max_length=512, null=True)),
                ('mime_type', models.CharField(blank=True, max_length=128, null=True)),
                ('file_size', models.PositiveIntegerField(blank=True, null=True)),
                ('google_sheet_id', models.CharField(blank=True, max_length=255, null=True)),
                ('web_url', models.URLField(blank=True, max_length=2048, null=True)),
                ('status', models.CharField(default='pending', max_length=20)),
                ('last_synced_at', models.DateTimeField(blank=True, null=True)),
                ('created_at', models.DateTimeField(auto_now_add=True)),
                ('updated_at', models.DateTimeField(auto_now=True)),
                ('knowledge_base', models.ForeignKey(on_delete=django.db.models.deletion.CASCADE, related_name='documents', to='knowledge_base.knowledgebase')),
            ],
            options={
                'db_table': 'knowledge_base_document',
            },
        ),
        migrations.CreateModel(
            name='Chunk',
            fields=[
                ('id', models.BigAutoField(auto_created=True, primary_key=True, serialize=False, verbose_name='ID')),
                ('chunk_index', models.PositiveIntegerField(default=0)),
                ('text', models.TextField()),
                ('created_at', models.DateTimeField(auto_now_add=True)),
                ('document', models.ForeignKey(on_delete=django.db.models.deletion.CASCADE, related_name='chunks', to='knowledge_base.document')),
                ('knowledge_base', models.ForeignKey(on_delete=django.db.models.deletion.CASCADE, related_name='chunks', to='knowledge_base.knowledgebase')),
            ],
            options={
                'db_table': 'knowledge_base_chunk',
            },
        ),
    ]