# Generated by Django 4.2.30 on 2026-07-19 12:21

import json
from django.db import migrations, models


def convert_titles_to_json(apps, schema_editor):
    CalendarOccasions = apps.get_model('dobodbi_calendar', 'CalendarOccasions')
    for occasion in CalendarOccasions.objects.all():
        title_str = occasion.title
        if not title_str:
            occasion.title = '[]'
            occasion.save()
            continue
        
        # Check if it's already a valid JSON list/dict
        try:
            parsed = json.loads(title_str)
            if isinstance(parsed, (list, dict)):
                # Already valid JSON
                continue
        except Exception:
            pass
            
        # Convert plain text to JSON list
        new_title = [{"language_code": "fa", "title": title_str}]
        occasion.title = json.dumps(new_title, ensure_ascii=False)
        occasion.save()


def convert_json_to_titles(apps, schema_editor):
    CalendarOccasions = apps.get_model('dobodbi_calendar', 'CalendarOccasions')
    for occasion in CalendarOccasions.objects.all():
        title_str = occasion.title
        try:
            parsed = json.loads(title_str)
            if isinstance(parsed, list) and len(parsed) > 0:
                # Try English first, then fallback
                val = ""
                for item in parsed:
                    if isinstance(item, dict):
                        val = item.get("title") or item.get("text") or val
                        if item.get("language_code") == "en":
                            break
                occasion.title = val
                occasion.save()
        except Exception:
            pass


class Migration(migrations.Migration):

    dependencies = [
        ('dobodbi_calendar', '0001_initial'),
    ]

    operations = [
        migrations.RunPython(convert_titles_to_json, convert_json_to_titles),
        migrations.AlterField(
            model_name='calendaroccasions',
            name='title',
            field=models.JSONField(blank=True, default=list, verbose_name='title'),
        ),
    ]