import uuid

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


class Migration(migrations.Migration):

    initial = True

    dependencies = [
        ("contenttypes", "0002_remove_content_type_name"),
        migrations.swappable_dependency(settings.AUTH_USER_MODEL),
    ]

    operations = [
        migrations.CreateModel(
            name="MediaAsset",
            fields=[
                (
                    "id",
                    models.UUIDField(
                        default=uuid.uuid4,
                        editable=False,
                        primary_key=True,
                        serialize=False,
                    ),
                ),
                ("created_at", models.DateTimeField(auto_now_add=True, db_index=True)),
                ("updated_at", models.DateTimeField(auto_now=True)),
                ("deleted_at", models.DateTimeField(blank=True, db_index=True, null=True)),
                (
                    "kind",
                    models.CharField(
                        choices=[
                            ("image", "Image"),
                            ("video", "Video"),
                            ("audio", "Audio"),
                            ("document", "Document"),
                            ("dataset", "Dataset"),
                            ("widget_bundle", "Widget bundle"),
                            ("other", "Other"),
                        ],
                        default="image",
                        max_length=20,
                    ),
                ),
                ("storage_key", models.CharField(max_length=512, unique=True)),
                ("original_filename", models.CharField(max_length=255)),
                ("mime_type", models.CharField(max_length=127)),
                ("size_bytes", models.PositiveBigIntegerField()),
                ("sha256", models.CharField(max_length=64)),
                (
                    "alt_text",
                    models.CharField(
                        blank=True,
                        help_text="Accessibility description; required by the API for images.",
                        max_length=500,
                    ),
                ),
                ("width", models.PositiveIntegerField(blank=True, null=True)),
                ("height", models.PositiveIntegerField(blank=True, null=True)),
                ("duration_seconds", models.FloatField(blank=True, null=True)),
                ("license", models.CharField(default="CC-BY-SA-4.0", max_length=64)),
                (
                    "attribution",
                    models.TextField(
                        blank=True,
                        help_text="Required when the uploader is not the author.",
                    ),
                ),
                (
                    "scan_status",
                    models.CharField(
                        choices=[
                            ("pending", "Pending scan"),
                            ("clean", "Clean"),
                            ("flagged", "Flagged"),
                        ],
                        default="pending",
                        max_length=10,
                    ),
                ),
                (
                    "uploaded_by",
                    models.ForeignKey(
                        null=True,
                        on_delete=django.db.models.deletion.SET_NULL,
                        related_name="media_assets",
                        to=settings.AUTH_USER_MODEL,
                    ),
                ),
            ],
            options={
                "ordering": ["-created_at"],
            },
        ),
        migrations.CreateModel(
            name="AuditLog",
            fields=[
                (
                    "id",
                    models.UUIDField(
                        default=uuid.uuid4,
                        editable=False,
                        primary_key=True,
                        serialize=False,
                    ),
                ),
                (
                    "action",
                    models.CharField(
                        db_index=True,
                        help_text="Dotted action name, e.g. 'problem.publish' or 'user.role_grant'.",
                        max_length=100,
                    ),
                ),
                ("target_object_id", models.CharField(blank=True, max_length=64)),
                ("summary", models.CharField(blank=True, max_length=500)),
                ("metadata", models.JSONField(blank=True, default=dict)),
                ("ip_address", models.GenericIPAddressField(blank=True, null=True)),
                ("user_agent", models.CharField(blank=True, max_length=500)),
                ("created_at", models.DateTimeField(auto_now_add=True, db_index=True)),
                (
                    "actor",
                    models.ForeignKey(
                        null=True,
                        on_delete=django.db.models.deletion.SET_NULL,
                        related_name="audit_logs",
                        to=settings.AUTH_USER_MODEL,
                    ),
                ),
                (
                    "target_content_type",
                    models.ForeignKey(
                        blank=True,
                        null=True,
                        on_delete=django.db.models.deletion.SET_NULL,
                        to="contenttypes.contenttype",
                    ),
                ),
            ],
            options={
                "ordering": ["-created_at"],
            },
        ),
        migrations.AddIndex(
            model_name="mediaasset",
            index=models.Index(fields=["sha256"], name="media_sha256_idx"),
        ),
        migrations.AddIndex(
            model_name="mediaasset",
            index=models.Index(
                fields=["kind", "created_at"], name="media_kind_created_idx"
            ),
        ),
        migrations.AddIndex(
            model_name="auditlog",
            index=models.Index(
                fields=["target_content_type", "target_object_id"],
                name="audit_target_idx",
            ),
        ),
    ]