import peewee as pw


class BlockedPort(pw.Model):
    """
    Port + protocol for blocking data
    """

    port = pw.IntegerField(null=False)
    proto = pw.CharField(
        null=False, constraints=[pw.Check("proto in ('tcp', 'udp', 'all')")]
    )

    comment = pw.CharField(null=True)

    class Meta:
        db_table = "blocked_port"

        indexes = (
            # create an unique on port/proto
            (("port", "proto"), True),
        )


class IgnoredByPort(pw.Model):
    """
    Ignored IPs for port + protocol
    """

    port_proto = pw.ForeignKeyField(
        BlockedPort, null=False, on_delete="CASCADE", related_name="ips"
    )
    ip = pw.CharField(null=False)
    comment = pw.CharField(null=True)

    class Meta:
        db_table = "ignored_by_port_proto"

        indexes = (
            # create an unique on port/ip
            (("port_proto", "ip"), True),
        )


def migrate(migrator, database, fake=False, **kwargs):
    migrator.create_model(BlockedPort)
    migrator.create_model(IgnoredByPort)

    IPList = migrator.orm["iplist"]
    migrator.add_fields(IPList, full_access=pw.BooleanField(null=True))


def rollback(migrator, database, fake=False, **kwargs):
    BlockedPort = migrator.orm["blocked_port"]
    IgnoredByPort = migrator.orm["blocked_port_ip"]
    IPList = migrator.orm["iplist"]

    migrator.remove_model(BlockedPort)
    migrator.remove_model(IgnoredByPort)
    migrator.remove_fields(IPList, "full_access")