# Generated by Django 4.1.3 on 2023-01-31 20:01

from datetime import date

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

from semver import VersionInfo


def migrate_version(apps, schema_editor):
    CertificationVersion = apps.get_model("paperwork", "CertificationVersion")
    for certification_version in CertificationVersion.objects.all():
        if certification_version.version is None:
            semver = VersionInfo.parse("0.0.0")
        elif " - " in certification_version.version:
            version, _, approval_date = certification_version.version.partition(" - ")
            semver = VersionInfo.parse(version)
            certification_version.approval_date = date.fromisoformat(approval_date)
        else:
            semver = VersionInfo.parse("0.0.1")
            certification_version.prerelease = certification_version.version

        certification_version.major = semver.major
        certification_version.minor = semver.minor
        certification_version.patch = semver.patch
        certification_version.save()


class Migration(migrations.Migration):

    dependencies = [
        ("paperwork", "0009_rename_department_list_moderator_flag_to_shop_lead_flag"),
    ]

    operations = [
        migrations.AddField(
            model_name="certificationversion",
            name="major",
            field=models.PositiveSmallIntegerField(default=0),
            preserve_default=False,
        ),
        migrations.AddField(
            model_name="certificationversion",
            name="minor",
            field=models.PositiveSmallIntegerField(default=0),
            preserve_default=False,
        ),
        migrations.AddField(
            model_name="certificationversion",
            name="patch",
            field=models.PositiveSmallIntegerField(default=0),
            preserve_default=False,
        ),
        migrations.AddField(
            model_name="certificationversion",
            name="prerelease",
            field=models.CharField(blank=True, max_length=255),
        ),
        migrations.AddField(
            model_name="certificationversion",
            name="approval_date",
            field=models.DateField(blank=True, null=True),
        ),
        migrations.RunPython(migrate_version, atomic=True),
        migrations.AlterField(
            model_name="certificationversion",
            name="definition",
            field=models.ForeignKey(
                db_constraint=False,
                db_index=False,
                db_column="Certification",
                on_delete=django.db.models.deletion.PROTECT,
                to="paperwork.certificationdefinition",
            ),
        ),
        migrations.RemoveConstraint(
            model_name="certificationversion",
            name="unique_certification_version",
        ),
        migrations.AddConstraint(
            model_name="certificationversion",
            constraint=models.UniqueConstraint(
                fields=("definition", "major", "minor", "patch", "prerelease"),
                name="unique_certification_version",
            ),
        ),
        migrations.AlterField(
            model_name="certificationversion",
            name="definition",
            field=models.ForeignKey(
                db_column="Certification",
                on_delete=django.db.models.deletion.PROTECT,
                to="paperwork.certificationdefinition",
            ),
        ),
        migrations.RemoveField(
            model_name="certificationversion",
            name="version",
        ),
    ]