# Generated by Django 4.2.30 on 2026-10-19 06:30

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


def migrate_existing_opinions_forward(apps, schema_editor):
    ScholarlyOpinion = apps.get_model("hadis", "ScholarlyOpinion")
    TransmitterOpinion = apps.get_model("hadis", "TransmitterOpinion")

    cache = {}
    for to in TransmitterOpinion.objects.all().order_by("id"):
        if to.opinion_id:
            continue
        raw_text = to.opinion_text if isinstance(to.opinion_text, list) else []
        try:
            key = (to.status_id, json.dumps(raw_text, sort_keys=True, ensure_ascii=False))
        except Exception:
            key = (to.status_id, str(raw_text))

        scholarly_op = cache.get(key)
        if scholarly_op is None:
            scholarly_op = ScholarlyOpinion.objects.create(
                opinion_text=raw_text,
                status_id=to.status_id,
            )
            cache[key] = scholarly_op

        to.opinion_id = scholarly_op.id
        to.save(update_fields=["opinion"])


class Migration(migrations.Migration):

    dependencies = [
        ("hadis", "0052_transmitters_gender"),
    ]

    operations = [
        migrations.CreateModel(
            name="ScholarlyOpinion",
            fields=[
                ("id", models.BigAutoField(auto_created=True, primary_key=True, serialize=False, verbose_name="ID")),
                ("opinion_text", models.JSONField(default=list, verbose_name="Opinion Text")),
                ("created_at", models.DateTimeField(auto_now_add=True, verbose_name="created at")),
                ("updated_at", models.DateTimeField(auto_now=True, verbose_name="updated at")),
                (
                    "status",
                    models.ForeignKey(
                        blank=True,
                        null=True,
                        on_delete=django.db.models.deletion.CASCADE,
                        related_name="scholarly_opinions",
                        to="hadis.opinionstatus",
                        verbose_name="opinion status",
                    ),
                ),
            ],
            options={
                "verbose_name": "Scholarly Opinion",
                "verbose_name_plural": "Scholarly Opinions",
                "ordering": ("-id",),
            },
        ),
        migrations.AddField(
            model_name="transmitteropinion",
            name="opinion",
            field=models.ForeignKey(
                blank=True,
                null=True,
                on_delete=django.db.models.deletion.CASCADE,
                related_name="transmitter_opinions",
                to="hadis.scholarlyopinion",
                verbose_name="Scholarly Opinion",
            ),
        ),
        migrations.RunPython(migrate_existing_opinions_forward, migrations.RunPython.noop),
    ]