# Generated by Django 5.2.13 on 2026-05-14 11:32

import apps.core.storage.validators
import django.db.models.deletion
import django.utils.timezone
import simple_history.models
from django.conf import settings
from django.db import migrations, models


class Migration(migrations.Migration):

    dependencies = [
        ("mel_indicators", "0005_historicalindicatortarget_original_target_value_and_more"),
        migrations.swappable_dependency(settings.AUTH_USER_MODEL),
    ]

    operations = [
        migrations.CreateModel(
            name="HistoricalDataPoint",
            fields=[
                (
                    "id",
                    models.BigIntegerField(
                        auto_created=True, blank=True, db_index=True, verbose_name="ID"
                    ),
                ),
                ("period_label", models.CharField(max_length=40)),
                ("reported_at", models.DateTimeField(default=django.utils.timezone.now)),
                ("value", models.DecimalField(decimal_places=4, max_digits=18)),
                ("qualitative_note", models.TextField(blank=True)),
                (
                    "evidence",
                    models.TextField(
                        blank=True,
                        max_length=100,
                        null=True,
                        validators=[
                            apps.core.storage.validators.FileValidator(
                                allowed_categories=["document", "data", "image"], module="mel"
                            )
                        ],
                    ),
                ),
                ("source_module", models.CharField(blank=True, max_length=32)),
                ("source_event", models.CharField(blank=True, max_length=64)),
                ("source_object_id", models.CharField(blank=True, max_length=64)),
                (
                    "status",
                    models.CharField(
                        choices=[
                            ("pending", "Pending verification"),
                            ("verified", "Verified"),
                            ("rejected", "Rejected"),
                        ],
                        db_index=True,
                        default="pending",
                        max_length=16,
                    ),
                ),
                ("verified_at", models.DateTimeField(blank=True, null=True)),
                ("created_at", models.DateTimeField(blank=True, editable=False)),
                ("history_id", models.AutoField(primary_key=True, serialize=False)),
                ("history_date", models.DateTimeField(db_index=True)),
                ("history_change_reason", models.CharField(max_length=100, null=True)),
                (
                    "history_type",
                    models.CharField(
                        choices=[("+", "Created"), ("~", "Changed"), ("-", "Deleted")], max_length=1
                    ),
                ),
                (
                    "history_user",
                    models.ForeignKey(
                        null=True,
                        on_delete=django.db.models.deletion.SET_NULL,
                        related_name="+",
                        to=settings.AUTH_USER_MODEL,
                    ),
                ),
                (
                    "indicator",
                    models.ForeignKey(
                        blank=True,
                        db_constraint=False,
                        null=True,
                        on_delete=django.db.models.deletion.DO_NOTHING,
                        related_name="+",
                        to="mel_indicators.indicator",
                    ),
                ),
                (
                    "reported_by",
                    models.ForeignKey(
                        blank=True,
                        db_constraint=False,
                        null=True,
                        on_delete=django.db.models.deletion.DO_NOTHING,
                        related_name="+",
                        to=settings.AUTH_USER_MODEL,
                    ),
                ),
                (
                    "target",
                    models.ForeignKey(
                        blank=True,
                        db_constraint=False,
                        help_text="Optional link to the target period this data point counts toward.",
                        null=True,
                        on_delete=django.db.models.deletion.DO_NOTHING,
                        related_name="+",
                        to="mel_indicators.indicatortarget",
                    ),
                ),
                (
                    "verified_by",
                    models.ForeignKey(
                        blank=True,
                        db_constraint=False,
                        null=True,
                        on_delete=django.db.models.deletion.DO_NOTHING,
                        related_name="+",
                        to=settings.AUTH_USER_MODEL,
                    ),
                ),
            ],
            options={
                "verbose_name": "historical data point",
                "verbose_name_plural": "historical data points",
                "ordering": ("-history_date", "-history_id"),
                "get_latest_by": ("history_date", "history_id"),
            },
            bases=(simple_history.models.HistoricalChanges, models.Model),
        ),
    ]