# Generated by Django 3.0.3 on 2020-05-08 14:30

from django.apps.registry import Apps
from django.db import migrations
from django.db.backends.base.schema import BaseDatabaseSchemaEditor

from passbook.flows.models import FlowDesignation


def create_default_flow(apps: Apps, schema_editor: BaseDatabaseSchemaEditor):
    Flow = apps.get_model("passbook_flows", "Flow")
    FlowFactorBinding = apps.get_model("passbook_flows", "FlowFactorBinding")
    PasswordFactor = apps.get_model("passbook_factors_password", "PasswordFactor")
    db_alias = schema_editor.connection.alias

    if Flow.objects.using(db_alias).all().exists():
        # Only create default flow when none exist
        return

    pw_factor = PasswordFactor.objects.using(db_alias).first()
    flow = Flow.objects.using(db_alias).create(
        name="default-authentication-flow",
        slug="default-authentication-flow",
        designation=FlowDesignation.AUTHENTICATION,
    )
    FlowFactorBinding.objects.using(db_alias).create(
        flow=flow, factor=pw_factor, order=0,
    )


class Migration(migrations.Migration):

    dependencies = [
        ("passbook_flows", "0003_auto_20200508_1230"),
    ]

    operations = [migrations.RunPython(create_default_flow)]