# Migration: HeadGestor - vínculo Head → Gestores (quem o Head aprova)

import uuid
from django.db import migrations, models


class Migration(migrations.Migration):

    dependencies = [
        ("solicitacoes", "0006_head_aguardando_head_choices"),
    ]

    operations = [
        migrations.CreateModel(
            name="HeadGestor",
            fields=[
                ("id", models.UUIDField(default=uuid.uuid4, editable=False, primary_key=True, serialize=False)),
                ("criado_em", models.DateTimeField(auto_now_add=True)),
                ("atualizado_em", models.DateTimeField(auto_now=True)),
                (
                    "head",
                    models.ForeignKey(
                        on_delete=models.CASCADE,
                        related_name="gestores_vinculados",
                        to="solicitacoes.usuariosistema",
                    ),
                ),
                (
                    "gestor",
                    models.ForeignKey(
                        on_delete=models.CASCADE,
                        related_name="heads_que_me_aprovam",
                        to="solicitacoes.usuariosistema",
                    ),
                ),
            ],
            options={
                "verbose_name": "Head → Gestor",
                "verbose_name_plural": "Head → Gestores",
            },
        ),
        migrations.AddConstraint(
            model_name="headgestor",
            constraint=models.UniqueConstraint(
                fields=("head", "gestor"), name="unique_head_gestor"
            ),
        ),
    ]