"""
Schema + data migration:
  1. Add `cautions` JSONField (list, default=[]) to TarotCard.
  2. Seed The Schizo (Earthman MAJOR #1) with 4 rival-interaction cautions.
     All other cards default to [] — the UI shows a placeholder when empty.
"""
from django.db import migrations, models

SCHIZO_CAUTIONS = [
    'This card will reverse into <span class="card-ref">The Pervert</span> when it'
    ' comes under dominion of <span class="card-ref">The Occultist</span>, which in turn'
    ' reverses into <span class="card-ref">Pestilence</span>.',

    'This card will reverse into <span class="card-ref">The Paranoiac</span> when it'
    ' comes under dominion of <span class="card-ref">The Despot</span>, which in turn'
    ' reverses into <span class="card-ref">War</span>.',

    'This card will reverse into <span class="card-ref">The Neurotic</span> when it'
    ' comes under dominion of <span class="card-ref">The Capitalist</span>, which in turn'
    ' reverses into <span class="card-ref">Famine</span>.',

    'This card will reverse into <span class="card-ref">The Suicidal</span> when it'
    ' comes under dominion of <span class="card-ref">The Fascist</span>, which in turn'
    ' reverses into <span class="card-ref">Death</span>.',
]


def seed_schizo_cautions(apps, schema_editor):
    TarotCard = apps.get_model("epic", "TarotCard")
    DeckVariant = apps.get_model("epic", "DeckVariant")
    try:
        earthman = DeckVariant.objects.get(slug="earthman")
    except DeckVariant.DoesNotExist:
        return
    TarotCard.objects.filter(
        deck_variant=earthman, arcana="MAJOR", number=1
    ).update(cautions=SCHIZO_CAUTIONS)


def clear_schizo_cautions(apps, schema_editor):
    TarotCard = apps.get_model("epic", "TarotCard")
    DeckVariant = apps.get_model("epic", "DeckVariant")
    try:
        earthman = DeckVariant.objects.get(slug="earthman")
    except DeckVariant.DoesNotExist:
        return
    TarotCard.objects.filter(
        deck_variant=earthman, arcana="MAJOR", number=1
    ).update(cautions=[])


class Migration(migrations.Migration):

    dependencies = [
        ("epic", "0026_earthman_suit_renames_and_keywords"),
    ]

    operations = [
        migrations.AddField(
            model_name="tarotcard",
            name="cautions",
            field=models.JSONField(default=list),
        ),
        migrations.RunPython(seed_schizo_cautions, reverse_code=clear_schizo_cautions),
    ]