# ruff: noqa: E501
# Generated by Django 5.2.15 on 2026-07-03 09:48

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


class Migration(migrations.Migration):

    initial = True

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

    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=160)),
                ('description', models.TextField(blank=True)),
                ('scope', models.CharField(blank=True, max_length=120)),
                ('enabled', models.BooleanField(default=True)),
                ('created_at', models.DateTimeField(auto_now_add=True)),
                ('updated_at', models.DateTimeField(auto_now=True)),
                ('created_by', models.ForeignKey(blank=True, null=True, on_delete=django.db.models.deletion.SET_NULL, to=settings.AUTH_USER_MODEL)),
            ],
            options={
                'ordering': ['-updated_at'],
            },
        ),
        migrations.CreateModel(
            name='KnowledgeDocument',
            fields=[
                ('id', models.BigAutoField(auto_created=True, primary_key=True, serialize=False, verbose_name='ID')),
                ('file_name', models.CharField(max_length=255)),
                ('file_type', models.CharField(blank=True, max_length=80)),
                ('storage_path', models.CharField(blank=True, max_length=500)),
                ('content_text', models.TextField(blank=True)),
                ('parse_status', models.CharField(default='pending', max_length=40)),
                ('parse_error', models.TextField(blank=True)),
                ('created_at', models.DateTimeField(auto_now_add=True)),
                ('updated_at', models.DateTimeField(auto_now=True)),
                ('created_by', models.ForeignKey(blank=True, null=True, on_delete=django.db.models.deletion.SET_NULL, to=settings.AUTH_USER_MODEL)),
                ('knowledge_base', models.ForeignKey(on_delete=django.db.models.deletion.CASCADE, related_name='documents', to='knowledge.knowledgebase')),
            ],
            options={
                'ordering': ['-created_at'],
            },
        ),
        migrations.CreateModel(
            name='KnowledgeItem',
            fields=[
                ('id', models.BigAutoField(auto_created=True, primary_key=True, serialize=False, verbose_name='ID')),
                ('title', models.CharField(max_length=200)),
                ('problem', models.TextField()),
                ('applicable_scope', models.TextField(blank=True)),
                ('error_code', models.CharField(blank=True, max_length=120)),
                ('root_cause', models.TextField(blank=True)),
                ('troubleshooting_steps', models.TextField(blank=True)),
                ('solution', models.TextField()),
                ('risk_note', models.TextField(blank=True)),
                ('status', models.CharField(default='draft', max_length=40)),
                ('source_type', models.CharField(default='manual', max_length=40)),
                ('source_ticket_id', models.BigIntegerField(blank=True, null=True)),
                ('created_at', models.DateTimeField(auto_now_add=True)),
                ('updated_at', models.DateTimeField(auto_now=True)),
                ('created_by', models.ForeignKey(blank=True, null=True, on_delete=django.db.models.deletion.SET_NULL, related_name='created_knowledge_items', to=settings.AUTH_USER_MODEL)),
                ('knowledge_base', models.ForeignKey(on_delete=django.db.models.deletion.CASCADE, related_name='items', to='knowledge.knowledgebase')),
                ('reviewed_by', models.ForeignKey(blank=True, null=True, on_delete=django.db.models.deletion.SET_NULL, related_name='reviewed_knowledge_items', to=settings.AUTH_USER_MODEL)),
            ],
            options={
                'ordering': ['-updated_at'],
            },
        ),
        migrations.CreateModel(
            name='KnowledgeChunk',
            fields=[
                ('id', models.BigAutoField(auto_created=True, primary_key=True, serialize=False, verbose_name='ID')),
                ('chunk_index', models.PositiveIntegerField(default=0)),
                ('content', models.TextField()),
                ('embedding', models.JSONField(blank=True, default=list)),
                ('embedding_model', models.CharField(default='local-hash-v1', max_length=120)),
                ('metadata', models.JSONField(blank=True, default=dict)),
                ('created_at', models.DateTimeField(auto_now_add=True)),
                ('knowledge_base', models.ForeignKey(on_delete=django.db.models.deletion.CASCADE, related_name='chunks', to='knowledge.knowledgebase')),
                ('document', models.ForeignKey(blank=True, null=True, on_delete=django.db.models.deletion.CASCADE, related_name='chunks', to='knowledge.knowledgedocument')),
                ('item', models.ForeignKey(blank=True, null=True, on_delete=django.db.models.deletion.CASCADE, related_name='chunks', to='knowledge.knowledgeitem')),
            ],
            options={
                'ordering': ['knowledge_base_id', 'document_id', 'item_id', 'chunk_index'],
                'indexes': [models.Index(fields=['knowledge_base', 'chunk_index'], name='knowledge_k_knowled_949c7b_idx')],
            },
        ),
    ]