# Copyright (c) 2017 Ansible Project
#
# This code is part of Ansible, but is an independent component.
# This particular file snippet, and this file snippet only, is BSD licensed.
# Modules you write using this snippet, which is embedded dynamically by Ansible
# still belong to the author of the module, and may assign their own license
# to the complete work.
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# are permitted provided that the following conditions are met:
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#      notice, this list of conditions and the following disclaimer.
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#      this list of conditions and the following disclaimer in the documentation
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"""
This module adds shared support for Direct Connect modules.
"""

import traceback
try:
    import botocore
except ImportError:
    pass
from ansible.module_utils.ec2 import camel_dict_to_snake_dict


class DirectConnectError(Exception):
    def __init__(self, msg, last_traceback=None, exception=None):
        self.msg = msg
        self.last_traceback = last_traceback
        self.exception = exception


def delete_connection(client, connection_id):
    try:
        client.delete_connection(connectionId=connection_id)
    except botocore.exceptions.ClientError as e:
        raise DirectConnectError(msg="Failed to delete DirectConnection {0}.".format(connection_id),
                                 last_traceback=traceback.format_exc(),
                                 exception=e)


def associate_connection_and_lag(client, connection_id, lag_id):
    try:
        client.associate_connection_with_lag(connectionId=connection_id,
                                             lagId=lag_id)
    except botocore.exceptions.ClientError as e:
        raise DirectConnectError(msg="Failed to associate Direct Connect connection {0}"
                                 " with link aggregation group {1}.".format(connection_id, lag_id),
                                 last_traceback=traceback.format_exc(),
                                 exception=e)


def disassociate_connection_and_lag(client, connection_id, lag_id):
    try:
        client.disassociate_connection_from_lag(connectionId=connection_id,
                                                lagId=lag_id)
    except botocore.exceptions.ClientError as e:
        raise DirectConnectError(msg="Failed to disassociate Direct Connect connection {0}"
                                 " from link aggregation group {1}.".format(connection_id, lag_id),
                                 last_traceback=traceback.format_exc(),
                                 exception=e)


def delete_virtual_interface(client, virtual_interface):
    try:
        client.delete_virtual_interface(virtualInterfaceId=virtual_interface)
    except botocore.exceptions.ClientError as e:
        raise DirectConnectError(msg="Could not delete virtual interface {0}".format(virtual_interface),
                                 last_traceback=traceback.format_exc(),
                                 exception=e)