# Generated by Django 3.0.3 on 2020-02-17 16:19

from django.apps.registry import Apps
from django.db import migrations


def cleanup_old_autogenerated(apps, schema_editor):
    LDAPPropertyMapping = apps.get_model("passbook_sources_ldap", "LDAPPropertyMapping")
    db_alias = schema_editor.connection.alias
    LDAPPropertyMapping.objects.using(db_alias).filter(
        name__startswith="Autogenerated"
    ).delete()


def create_default_ad_property_mappings(apps: Apps, schema_editor):
    LDAPPropertyMapping = apps.get_model("passbook_sources_ldap", "LDAPPropertyMapping")
    mapping = {
        "name": "{{ ldap.name }}",
        "first_name": "{{ ldap.givenName }}",
        "last_name": "{{ ldap.sn }}",
        "username": "{{ ldap.sAMAccountName }}",
        "email": "{{ ldap.mail }}",
    }
    db_alias = schema_editor.connection.alias
    for object_field, expression in mapping.items():
        LDAPPropertyMapping.objects.using(db_alias).get_or_create(
            expression=expression,
            object_field=object_field,
            defaults={
                "name": f"Autogenerated LDAP Mapping: {expression} -> {object_field}"
            },
        )


class Migration(migrations.Migration):

    dependencies = [
        ("passbook_sources_ldap", "0006_auto_20200216_1116"),
        ("passbook_core", "0007_auto_20200217_1934"),
    ]

    operations = [
        migrations.RunPython(cleanup_old_autogenerated),
        migrations.RemoveField(model_name="ldappropertymapping", name="ldap_property",),
        migrations.RunPython(create_default_ad_property_mappings),
    ]