# Generated by Django 4.2.23 on 2026-08-08 17:26

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


class Migration(migrations.Migration):

    dependencies = [
        migrations.swappable_dependency(settings.AUTH_USER_MODEL),
        ('contest', '0002_realtimematch_matchmaking_lookup_idx'),
    ]

    operations = [
        migrations.CreateModel(
            name='MathGameAttempt',
            fields=[
                ('id', models.UUIDField(default=uuid.uuid4, editable=False, primary_key=True, serialize=False)),
                ('kind', models.CharField(choices=[('sudoku', '数独'), ('twenty_four', '24 点')], max_length=20)),
                ('difficulty', models.CharField(choices=[('easy', '入门'), ('standard', '标准'), ('hard', '进阶')], default='standard', max_length=16)),
                ('puzzle', models.JSONField(default=dict)),
                ('solution', models.JSONField(default=dict)),
                ('submission', models.JSONField(blank=True, default=dict)),
                ('status', models.CharField(choices=[('active', '进行中'), ('completed', '已完成'), ('failed', '未通过')], default='active', max_length=16)),
                ('score', models.PositiveIntegerField(default=0)),
                ('duration_ms', models.PositiveIntegerField(default=0)),
                ('hints_used', models.PositiveSmallIntegerField(default=0)),
                ('submission_key', models.CharField(blank=True, max_length=80, null=True)),
                ('started_at', models.DateTimeField(auto_now_add=True)),
                ('submitted_at', models.DateTimeField(blank=True, null=True)),
                ('user', models.ForeignKey(on_delete=django.db.models.deletion.CASCADE, related_name='math_game_attempts', to=settings.AUTH_USER_MODEL)),
            ],
            options={
                'ordering': ['-started_at'],
                'indexes': [models.Index(fields=['kind', 'status', '-score', 'duration_ms'], name='math_game_ranking_idx')],
            },
        ),
        migrations.AddConstraint(
            model_name='mathgameattempt',
            constraint=models.UniqueConstraint(fields=('user', 'submission_key'), name='unique_user_math_game_submission'),
        ),
    ]