#!/usr/bin/env python3

# network.py - PVC CLI client function library, Network functions
# Part of the Parallel Virtual Cluster (PVC) system
#
#    Copyright (C) 2018-2022 Joshua M. Boniface <joshua@boniface.me>
#
#    This program is free software: you can redistribute it and/or modify
#    it under the terms of the GNU General Public License as published by
#    the Free Software Foundation, version 3.
#
#    This program is distributed in the hope that it will be useful,
#    but WITHOUT ANY WARRANTY; without even the implied warranty of
#    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
#    GNU General Public License for more details.
#
#    You should have received a copy of the GNU General Public License
#    along with this program.  If not, see <https://www.gnu.org/licenses/>.
#
###############################################################################

import re
import pvc.lib.ansiprint as ansiprint
from pvc.lib.common import call_api


def isValidMAC(macaddr):
    allowed = re.compile(
        r"""
                         (
                            ^([0-9A-F]{2}[:]){5}([0-9A-F]{2})$
                         )
                         """,
        re.VERBOSE | re.IGNORECASE,
    )

    if allowed.match(macaddr):
        return True
    else:
        return False


def isValidIP(ipaddr):
    ip4_blocks = str(ipaddr).split(".")
    if len(ip4_blocks) == 4:
        for block in ip4_blocks:
            # Check if number is digit, if not checked before calling this function
            if not block.isdigit():
                return False
            tmp = int(block)
            if 0 > tmp > 255:
                return False
        return True
    return False


#
# Primary functions
#
def net_info(config, net):
    """
    Get information about network

    API endpoint: GET /api/v1/network/{net}
    API arguments:
    API schema: {json_data_object}
    """
    response = call_api(config, "get", "/network/{net}".format(net=net))

    if response.status_code == 200:
        if isinstance(response.json(), list) and len(response.json()) != 1:
            # No exact match; return not found
            return False, "Network not found."
        else:
            # Return a single instance if the response is a list
            if isinstance(response.json(), list):
                return True, response.json()[0]
            # This shouldn't happen, but is here just in case
            else:
                return True, response.json()
    else:
        return False, response.json().get("message", "")


def net_list(config, limit):
    """
    Get list information about networks (limited by {limit})

    API endpoint: GET /api/v1/network
    API arguments: limit={limit}
    API schema: [{json_data_object},{json_data_object},etc.]
    """
    params = dict()
    if limit:
        params["limit"] = limit

    response = call_api(config, "get", "/network", params=params)

    if response.status_code == 200:
        return True, response.json()
    else:
        return False, response.json().get("message", "")


def net_add(
    config,
    vni,
    description,
    nettype,
    mtu,
    domain,
    name_servers,
    ip4_network,
    ip4_gateway,
    ip6_network,
    ip6_gateway,
    dhcp4_flag,
    dhcp4_start,
    dhcp4_end,
):
    """
    Add new network

    API endpoint: POST /api/v1/network
    API arguments: lots
    API schema: {"message":"{data}"}
    """
    params = {
        "vni": vni,
        "description": description,
        "nettype": nettype,
        "mtu": mtu,
        "domain": domain,
        "name_servers": name_servers,
        "ip4_network": ip4_network,
        "ip4_gateway": ip4_gateway,
        "ip6_network": ip6_network,
        "ip6_gateway": ip6_gateway,
        "dhcp4": dhcp4_flag,
        "dhcp4_start": dhcp4_start,
        "dhcp4_end": dhcp4_end,
    }
    response = call_api(config, "post", "/network", params=params)

    if response.status_code == 200:
        retstatus = True
    else:
        retstatus = False

    return retstatus, response.json().get("message", "")


def net_modify(
    config,
    net,
    description,
    mtu,
    domain,
    name_servers,
    ip4_network,
    ip4_gateway,
    ip6_network,
    ip6_gateway,
    dhcp4_flag,
    dhcp4_start,
    dhcp4_end,
):
    """
    Modify a network

    API endpoint: POST /api/v1/network/{net}
    API arguments: lots
    API schema: {"message":"{data}"}
    """
    params = dict()
    if description is not None:
        params["description"] = description
    if mtu is not None:
        params["mtu"] = mtu
    if domain is not None:
        params["domain"] = domain
    if name_servers is not None:
        params["name_servers"] = name_servers
    if ip4_network is not None:
        params["ip4_network"] = ip4_network
    if ip4_gateway is not None:
        params["ip4_gateway"] = ip4_gateway
    if ip6_network is not None:
        params["ip6_network"] = ip6_network
    if ip6_gateway is not None:
        params["ip6_gateway"] = ip6_gateway
    if dhcp4_flag is not None:
        params["dhcp4"] = dhcp4_flag
    if dhcp4_start is not None:
        params["dhcp4_start"] = dhcp4_start
    if dhcp4_end is not None:
        params["dhcp4_end"] = dhcp4_end

    response = call_api(config, "put", "/network/{net}".format(net=net), params=params)

    if response.status_code == 200:
        retstatus = True
    else:
        retstatus = False

    return retstatus, response.json().get("message", "")


def net_remove(config, net):
    """
    Remove a network

    API endpoint: DELETE /api/v1/network/{net}
    API arguments:
    API schema: {"message":"{data}"}
    """
    response = call_api(config, "delete", "/network/{net}".format(net=net))

    if response.status_code == 200:
        retstatus = True
    else:
        retstatus = False

    return retstatus, response.json().get("message", "")


#
# DHCP lease functions
#
def net_dhcp_info(config, net, mac):
    """A
    Get information about network DHCP lease

    API endpoint: GET /api/v1/network/{net}/lease/{mac}
    API arguments:
    API schema: {json_data_object}
    """
    response = call_api(
        config, "get", "/network/{net}/lease/{mac}".format(net=net, mac=mac)
    )

    if response.status_code == 200:
        if isinstance(response.json(), list) and len(response.json()) != 1:
            # No exact match; return not found
            return False, "Lease not found."
        else:
            # Return a single instance if the response is a list
            if isinstance(response.json(), list):
                return True, response.json()[0]
            # This shouldn't happen, but is here just in case
            else:
                return True, response.json()
    else:
        return False, response.json().get("message", "")


def net_dhcp_list(config, net, limit, only_static=False):
    """
    Get list information about leases (limited by {limit})

    API endpoint: GET /api/v1/network/{net}/lease
    API arguments: limit={limit}, static={only_static}
    API schema: [{json_data_object},{json_data_object},etc.]
    """
    params = dict()
    if limit:
        params["limit"] = limit

    if only_static:
        params["static"] = True
    else:
        params["static"] = False

    response = call_api(
        config, "get", "/network/{net}/lease".format(net=net), params=params
    )

    if response.status_code == 200:
        return True, response.json()
    else:
        return False, response.json().get("message", "")


def net_dhcp_add(config, net, ipaddr, macaddr, hostname):
    """
    Add new network DHCP lease

    API endpoint: POST /api/v1/network/{net}/lease
    API arguments: macaddress=macaddr, ipaddress=ipaddr, hostname=hostname
    API schema: {"message":"{data}"}
    """
    params = {"macaddress": macaddr, "ipaddress": ipaddr, "hostname": hostname}
    response = call_api(
        config, "post", "/network/{net}/lease".format(net=net), params=params
    )

    if response.status_code == 200:
        retstatus = True
    else:
        retstatus = False

    return retstatus, response.json().get("message", "")


def net_dhcp_remove(config, net, mac):
    """
    Remove a network DHCP lease

    API endpoint: DELETE /api/v1/network/{vni}/lease/{mac}
    API arguments:
    API schema: {"message":"{data}"}
    """
    response = call_api(
        config, "delete", "/network/{net}/lease/{mac}".format(net=net, mac=mac)
    )

    if response.status_code == 200:
        retstatus = True
    else:
        retstatus = False

    return retstatus, response.json().get("message", "")


#
# ACL functions
#
def net_acl_info(config, net, description):
    """
    Get information about network ACL

    API endpoint: GET /api/v1/network/{net}/acl/{description}
    API arguments:
    API schema: {json_data_object}
    """
    response = call_api(
        config,
        "get",
        "/network/{net}/acl/{description}".format(net=net, description=description),
    )

    if response.status_code == 200:
        if isinstance(response.json(), list) and len(response.json()) != 1:
            # No exact match; return not found
            return False, "ACL not found."
        else:
            # Return a single instance if the response is a list
            if isinstance(response.json(), list):
                return True, response.json()[0]
            # This shouldn't happen, but is here just in case
            else:
                return True, response.json()
    else:
        return False, response.json().get("message", "")


def net_acl_list(config, net, limit, direction):
    """
    Get list information about ACLs (limited by {limit})

    API endpoint: GET /api/v1/network/{net}/acl
    API arguments: limit={limit}, direction={direction}
    API schema: [{json_data_object},{json_data_object},etc.]
    """
    params = dict()
    if limit:
        params["limit"] = limit
    if direction is not None:
        params["direction"] = direction

    response = call_api(
        config, "get", "/network/{net}/acl".format(net=net), params=params
    )

    if response.status_code == 200:
        return True, response.json()
    else:
        return False, response.json().get("message", "")


def net_acl_add(config, net, direction, description, rule, order):
    """
    Add new network acl

    API endpoint: POST /api/v1/network/{net}/acl
    API arguments: description=description, direction=direction, order=order, rule=rule
    API schema: {"message":"{data}"}
    """
    params = dict()
    params["description"] = description
    params["direction"] = direction
    params["rule"] = rule
    if order is not None:
        params["order"] = order

    response = call_api(
        config, "post", "/network/{net}/acl".format(net=net), params=params
    )

    if response.status_code == 200:
        retstatus = True
    else:
        retstatus = False

    return retstatus, response.json().get("message", "")


def net_acl_remove(config, net, description):
    """
    Remove a network ACL

    API endpoint: DELETE /api/v1/network/{vni}/acl/{description}
    API arguments:
    API schema: {"message":"{data}"}
    """
    response = call_api(
        config,
        "delete",
        "/network/{net}/acl/{description}".format(net=net, description=description),
    )

    if response.status_code == 200:
        retstatus = True
    else:
        retstatus = False

    return retstatus, response.json().get("message", "")


#
# SR-IOV functions
#
def net_sriov_pf_list(config, node):
    """
    List all PFs on NODE

    API endpoint: GET /api/v1/sriov/pf/<node>
    API arguments: node={node}
    API schema: [{json_data_object},{json_data_object},etc.]
    """
    response = call_api(config, "get", "/sriov/pf/{}".format(node))

    if response.status_code == 200:
        return True, response.json()
    else:
        return False, response.json().get("message", "")


def net_sriov_vf_set(
    config,
    node,
    vf,
    vlan_id,
    vlan_qos,
    tx_rate_min,
    tx_rate_max,
    link_state,
    spoof_check,
    trust,
    query_rss,
):
    """
    Mdoify configuration of a SR-IOV VF

    API endpoint: PUT /api/v1/sriov/vf/<node>/<vf>
    API arguments: vlan_id={vlan_id}, vlan_qos={vlan_qos}, tx_rate_min={tx_rate_min}, tx_rate_max={tx_rate_max},
                   link_state={link_state}, spoof_check={spoof_check}, trust={trust}, query_rss={query_rss}
    API schema: {"message": "{data}"}
    """
    params = dict()

    # Update any params that we've sent
    if vlan_id is not None:
        params["vlan_id"] = vlan_id

    if vlan_qos is not None:
        params["vlan_qos"] = vlan_qos

    if tx_rate_min is not None:
        params["tx_rate_min"] = tx_rate_min

    if tx_rate_max is not None:
        params["tx_rate_max"] = tx_rate_max

    if link_state is not None:
        params["link_state"] = link_state

    if spoof_check is not None:
        params["spoof_check"] = spoof_check

    if trust is not None:
        params["trust"] = trust

    if query_rss is not None:
        params["query_rss"] = query_rss

    # Write the new configuration to the API
    response = call_api(
        config, "put", "/sriov/vf/{node}/{vf}".format(node=node, vf=vf), params=params
    )

    if response.status_code == 200:
        retstatus = True
    else:
        retstatus = False

    return retstatus, response.json().get("message", "")


def net_sriov_vf_list(config, node, pf=None):
    """
    List all VFs on NODE, optionally limited by PF

    API endpoint: GET /api/v1/sriov/vf/<node>
    API arguments: node={node}, pf={pf}
    API schema: [{json_data_object},{json_data_object},etc.]
    """
    params = dict()
    params["pf"] = pf

    response = call_api(config, "get", "/sriov/vf/{}".format(node), params=params)

    if response.status_code == 200:
        return True, response.json()
    else:
        return False, response.json().get("message", "")


def net_sriov_vf_info(config, node, vf):
    """
    Get info about VF on NODE

    API endpoint: GET /api/v1/sriov/vf/<node>/<vf>
    API arguments:
    API schema: [{json_data_object}]
    """
    response = call_api(config, "get", "/sriov/vf/{}/{}".format(node, vf))

    if response.status_code == 200:
        if isinstance(response.json(), list) and len(response.json()) != 1:
            # No exact match; return not found
            return False, "VF not found."
        else:
            # Return a single instance if the response is a list
            data = dict()
            data["node"] = node
            if isinstance(response.json(), list):
                data = dict()
                data["vf_information"] = response.json()[0]
                return True, data
            # This shouldn't happen, but is here just in case
            else:
                data["vf_information"] = response.json()
                return True, data
    else:
        return False, response.json().get("message", "")


#
# Output display functions
#
def getColour(value):
    if value in ["False", "None"]:
        return ansiprint.blue()
    else:
        return ansiprint.green()


def getOutputColours(network_information):
    v6_flag_colour = getColour(network_information["ip6"]["network"])
    v4_flag_colour = getColour(network_information["ip4"]["network"])
    dhcp6_flag_colour = getColour(network_information["ip6"]["dhcp_flag"])
    dhcp4_flag_colour = getColour(network_information["ip4"]["dhcp_flag"])

    return v6_flag_colour, v4_flag_colour, dhcp6_flag_colour, dhcp4_flag_colour


def format_info(config, network_information, long_output):
    if not network_information:
        return "No network found"

    (
        v6_flag_colour,
        v4_flag_colour,
        dhcp6_flag_colour,
        dhcp4_flag_colour,
    ) = getOutputColours(network_information)

    # Format a nice output: do this line-by-line then concat the elements at the end
    ainformation = []
    ainformation.append(
        "{}Virtual network information:{}".format(ansiprint.bold(), ansiprint.end())
    )
    ainformation.append("")
    # Basic information
    ainformation.append(
        "{}VNI:{}            {}".format(
            ansiprint.purple(), ansiprint.end(), network_information["vni"]
        )
    )
    ainformation.append(
        "{}Type:{}           {}".format(
            ansiprint.purple(), ansiprint.end(), network_information["type"]
        )
    )
    ainformation.append(
        "{}MTU:{}            {}".format(
            ansiprint.purple(), ansiprint.end(), network_information["mtu"]
        )
    )
    ainformation.append(
        "{}Description:{}    {}".format(
            ansiprint.purple(), ansiprint.end(), network_information["description"]
        )
    )
    if network_information["type"] == "managed":
        ainformation.append(
            "{}Domain:{}         {}".format(
                ansiprint.purple(), ansiprint.end(), network_information["domain"]
            )
        )
        ainformation.append(
            "{}DNS Servers:{}    {}".format(
                ansiprint.purple(),
                ansiprint.end(),
                ", ".join(network_information["name_servers"]),
            )
        )
        if network_information["ip6"]["network"] != "None":
            ainformation.append("")
            ainformation.append(
                "{}IPv6 network:{}   {}".format(
                    ansiprint.purple(),
                    ansiprint.end(),
                    network_information["ip6"]["network"],
                )
            )
            ainformation.append(
                "{}IPv6 gateway:{}   {}".format(
                    ansiprint.purple(),
                    ansiprint.end(),
                    network_information["ip6"]["gateway"],
                )
            )
            ainformation.append(
                "{}DHCPv6 enabled:{} {}{}{}".format(
                    ansiprint.purple(),
                    ansiprint.end(),
                    dhcp6_flag_colour,
                    network_information["ip6"]["dhcp_flag"],
                    ansiprint.end(),
                )
            )
        if network_information["ip4"]["network"] != "None":
            ainformation.append("")
            ainformation.append(
                "{}IPv4 network:{}   {}".format(
                    ansiprint.purple(),
                    ansiprint.end(),
                    network_information["ip4"]["network"],
                )
            )
            ainformation.append(
                "{}IPv4 gateway:{}   {}".format(
                    ansiprint.purple(),
                    ansiprint.end(),
                    network_information["ip4"]["gateway"],
                )
            )
            ainformation.append(
                "{}DHCPv4 enabled:{} {}{}{}".format(
                    ansiprint.purple(),
                    ansiprint.end(),
                    dhcp4_flag_colour,
                    network_information["ip4"]["dhcp_flag"],
                    ansiprint.end(),
                )
            )
            if network_information["ip4"]["dhcp_flag"] == "True":
                ainformation.append(
                    "{}DHCPv4 range:{}   {} - {}".format(
                        ansiprint.purple(),
                        ansiprint.end(),
                        network_information["ip4"]["dhcp_start"],
                        network_information["ip4"]["dhcp_end"],
                    )
                )

        if long_output:
            retcode, dhcp4_reservations_list = net_dhcp_list(
                config, network_information["vni"], None
            )
            if dhcp4_reservations_list:
                ainformation.append("")
                ainformation.append(
                    "{}Client DHCPv4 reservations:{}".format(
                        ansiprint.bold(), ansiprint.end()
                    )
                )
                ainformation.append("")
                if retcode:
                    dhcp4_reservations_string = format_list_dhcp(
                        config, dhcp4_reservations_list
                    )
                    for line in dhcp4_reservations_string.split("\n"):
                        ainformation.append(line)
                else:
                    ainformation.append("No leases found")

            retcode, firewall_rules_list = net_acl_list(
                config, network_information["vni"], None, None
            )
            if firewall_rules_list:
                ainformation.append("")
                ainformation.append(
                    "{}Network firewall rules:{}".format(
                        ansiprint.bold(), ansiprint.end()
                    )
                )
                ainformation.append("")
                if retcode:
                    firewall_rules_string = format_list_acl(config, firewall_rules_list)
                    for line in firewall_rules_string.split("\n"):
                        ainformation.append(line)
                else:
                    ainformation.append("No ACLs found")

    # Join it all together
    return "\n".join(ainformation)


def format_list(config, network_list):
    if not network_list:
        return "No network found"

    network_list_output = []

    # Determine optimal column widths
    net_vni_length = 5
    net_description_length = 12
    net_nettype_length = 8
    net_mtu_length = 4
    net_domain_length = 6
    net_v6_flag_length = 6
    net_dhcp6_flag_length = 7
    net_v4_flag_length = 6
    net_dhcp4_flag_length = 7
    for network_information in network_list:
        # vni column
        _net_vni_length = len(str(network_information["vni"])) + 1
        if _net_vni_length > net_vni_length:
            net_vni_length = _net_vni_length
        # description column
        _net_description_length = len(network_information["description"]) + 1
        if _net_description_length > net_description_length:
            net_description_length = _net_description_length
        # mtu column
        _net_mtu_length = len(str(network_information["mtu"])) + 1
        if _net_mtu_length > net_mtu_length:
            net_mtu_length = _net_mtu_length
        # domain column
        _net_domain_length = len(network_information["domain"]) + 1
        if _net_domain_length > net_domain_length:
            net_domain_length = _net_domain_length

    # Format the string (header)
    network_list_output.append(
        "{bold}{networks_header: <{networks_header_length}} {config_header: <{config_header_length}}{end_bold}".format(
            bold=ansiprint.bold(),
            end_bold=ansiprint.end(),
            networks_header_length=net_vni_length + net_description_length + 1,
            config_header_length=net_nettype_length
            + net_mtu_length
            + net_domain_length
            + net_v6_flag_length
            + net_dhcp6_flag_length
            + net_v4_flag_length
            + net_dhcp4_flag_length
            + 7,
            networks_header="Networks "
            + "".join(["-" for _ in range(9, net_vni_length + net_description_length)]),
            config_header="Config "
            + "".join(
                [
                    "-"
                    for _ in range(
                        7,
                        net_nettype_length
                        + net_mtu_length
                        + net_domain_length
                        + net_v6_flag_length
                        + net_dhcp6_flag_length
                        + net_v4_flag_length
                        + net_dhcp4_flag_length
                        + 6,
                    )
                ]
            ),
        )
    )
    network_list_output.append(
        "{bold}\
{net_vni: <{net_vni_length}} \
{net_description: <{net_description_length}} \
{net_nettype: <{net_nettype_length}} \
{net_mtu: <{net_mtu_length}} \
{net_domain: <{net_domain_length}}  \
{net_v6_flag: <{net_v6_flag_length}} \
{net_dhcp6_flag: <{net_dhcp6_flag_length}} \
{net_v4_flag: <{net_v4_flag_length}} \
{net_dhcp4_flag: <{net_dhcp4_flag_length}} \
{end_bold}".format(
            bold=ansiprint.bold(),
            end_bold=ansiprint.end(),
            net_vni_length=net_vni_length,
            net_description_length=net_description_length,
            net_nettype_length=net_nettype_length,
            net_mtu_length=net_mtu_length,
            net_domain_length=net_domain_length,
            net_v6_flag_length=net_v6_flag_length,
            net_dhcp6_flag_length=net_dhcp6_flag_length,
            net_v4_flag_length=net_v4_flag_length,
            net_dhcp4_flag_length=net_dhcp4_flag_length,
            net_vni="VNI",
            net_description="Description",
            net_nettype="Type",
            net_mtu="MTU",
            net_domain="Domain",
            net_v6_flag="IPv6",
            net_dhcp6_flag="DHCPv6",
            net_v4_flag="IPv4",
            net_dhcp4_flag="DHCPv4",
        )
    )

    for network_information in sorted(network_list, key=lambda n: int(n["vni"])):
        (
            v6_flag_colour,
            v4_flag_colour,
            dhcp6_flag_colour,
            dhcp4_flag_colour,
        ) = getOutputColours(network_information)
        if network_information["ip4"]["network"] != "None":
            v4_flag = "True"
        else:
            v4_flag = "False"

        if network_information["ip6"]["network"] != "None":
            v6_flag = "True"
        else:
            v6_flag = "False"

        network_list_output.append(
            "{bold}\
{net_vni: <{net_vni_length}} \
{net_description: <{net_description_length}} \
{net_nettype: <{net_nettype_length}} \
{net_mtu: <{net_mtu_length}} \
{net_domain: <{net_domain_length}}  \
{v6_flag_colour}{net_v6_flag: <{net_v6_flag_length}}{colour_off} \
{dhcp6_flag_colour}{net_dhcp6_flag: <{net_dhcp6_flag_length}}{colour_off} \
{v4_flag_colour}{net_v4_flag: <{net_v4_flag_length}}{colour_off} \
{dhcp4_flag_colour}{net_dhcp4_flag: <{net_dhcp4_flag_length}}{colour_off} \
{end_bold}".format(
                bold="",
                end_bold="",
                net_vni_length=net_vni_length,
                net_description_length=net_description_length,
                net_nettype_length=net_nettype_length,
                net_mtu_length=net_mtu_length,
                net_domain_length=net_domain_length,
                net_v6_flag_length=net_v6_flag_length,
                net_dhcp6_flag_length=net_dhcp6_flag_length,
                net_v4_flag_length=net_v4_flag_length,
                net_dhcp4_flag_length=net_dhcp4_flag_length,
                net_vni=network_information["vni"],
                net_description=network_information["description"],
                net_nettype=network_information["type"],
                net_mtu=network_information["mtu"],
                net_domain=network_information["domain"],
                net_v6_flag=v6_flag,
                v6_flag_colour=v6_flag_colour,
                net_dhcp6_flag=network_information["ip6"]["dhcp_flag"],
                dhcp6_flag_colour=dhcp6_flag_colour,
                net_v4_flag=v4_flag,
                v4_flag_colour=v4_flag_colour,
                net_dhcp4_flag=network_information["ip4"]["dhcp_flag"],
                dhcp4_flag_colour=dhcp4_flag_colour,
                colour_off=ansiprint.end(),
            )
        )

    return "\n".join(network_list_output)


def format_list_dhcp(config, dhcp_lease_list):
    dhcp_lease_list_output = []

    # Determine optimal column widths
    lease_hostname_length = 9
    lease_ip4_address_length = 11
    lease_mac_address_length = 13
    lease_timestamp_length = 10
    for dhcp_lease_information in dhcp_lease_list:
        # hostname column
        _lease_hostname_length = len(str(dhcp_lease_information["hostname"])) + 1
        if _lease_hostname_length > lease_hostname_length:
            lease_hostname_length = _lease_hostname_length
        # ip4_address column
        _lease_ip4_address_length = len(str(dhcp_lease_information["ip4_address"])) + 1
        if _lease_ip4_address_length > lease_ip4_address_length:
            lease_ip4_address_length = _lease_ip4_address_length
        # mac_address column
        _lease_mac_address_length = len(str(dhcp_lease_information["mac_address"])) + 1
        if _lease_mac_address_length > lease_mac_address_length:
            lease_mac_address_length = _lease_mac_address_length
        # timestamp column
        _lease_timestamp_length = len(str(dhcp_lease_information["timestamp"])) + 1
        if _lease_timestamp_length > lease_timestamp_length:
            lease_timestamp_length = _lease_timestamp_length

    # Format the string (header)
    dhcp_lease_list_output.append(
        "{bold}{lease_header: <{lease_header_length}}{end_bold}".format(
            bold=ansiprint.bold(),
            end_bold=ansiprint.end(),
            lease_header_length=lease_hostname_length
            + lease_ip4_address_length
            + lease_mac_address_length
            + lease_timestamp_length
            + 3,
            lease_header="Leases "
            + "".join(
                [
                    "-"
                    for _ in range(
                        7,
                        lease_hostname_length
                        + lease_ip4_address_length
                        + lease_mac_address_length
                        + lease_timestamp_length
                        + 2,
                    )
                ]
            ),
        )
    )

    dhcp_lease_list_output.append(
        "{bold}\
{lease_hostname: <{lease_hostname_length}} \
{lease_ip4_address: <{lease_ip4_address_length}} \
{lease_mac_address: <{lease_mac_address_length}} \
{lease_timestamp: <{lease_timestamp_length}} \
{end_bold}".format(
            bold=ansiprint.bold(),
            end_bold=ansiprint.end(),
            lease_hostname_length=lease_hostname_length,
            lease_ip4_address_length=lease_ip4_address_length,
            lease_mac_address_length=lease_mac_address_length,
            lease_timestamp_length=lease_timestamp_length,
            lease_hostname="Hostname",
            lease_ip4_address="IP Address",
            lease_mac_address="MAC Address",
            lease_timestamp="Timestamp",
        )
    )

    for dhcp_lease_information in sorted(
        dhcp_lease_list, key=lambda lease: lease["hostname"]
    ):
        dhcp_lease_list_output.append(
            "{bold}\
{lease_hostname: <{lease_hostname_length}} \
{lease_ip4_address: <{lease_ip4_address_length}} \
{lease_mac_address: <{lease_mac_address_length}} \
{lease_timestamp: <{lease_timestamp_length}} \
{end_bold}".format(
                bold="",
                end_bold="",
                lease_hostname_length=lease_hostname_length,
                lease_ip4_address_length=lease_ip4_address_length,
                lease_mac_address_length=lease_mac_address_length,
                lease_timestamp_length=12,
                lease_hostname=str(dhcp_lease_information["hostname"]),
                lease_ip4_address=str(dhcp_lease_information["ip4_address"]),
                lease_mac_address=str(dhcp_lease_information["mac_address"]),
                lease_timestamp=str(dhcp_lease_information["timestamp"]),
            )
        )

    return "\n".join(dhcp_lease_list_output)


def format_list_acl(config, acl_list):
    # Handle when we get an empty entry
    if not acl_list:
        acl_list = list()

    acl_list_output = []

    # Determine optimal column widths
    acl_direction_length = 10
    acl_order_length = 6
    acl_description_length = 12
    acl_rule_length = 5
    for acl_information in acl_list:
        # order column
        _acl_order_length = len(str(acl_information["order"])) + 1
        if _acl_order_length > acl_order_length:
            acl_order_length = _acl_order_length
        # description column
        _acl_description_length = len(acl_information["description"]) + 1
        if _acl_description_length > acl_description_length:
            acl_description_length = _acl_description_length
        # rule column
        _acl_rule_length = len(acl_information["rule"]) + 1
        if _acl_rule_length > acl_rule_length:
            acl_rule_length = _acl_rule_length

    # Format the string (header)
    acl_list_output.append(
        "{bold}{acl_header: <{acl_header_length}}{end_bold}".format(
            bold=ansiprint.bold(),
            end_bold=ansiprint.end(),
            acl_header_length=acl_direction_length
            + acl_order_length
            + acl_description_length
            + acl_rule_length
            + 3,
            acl_header="ACLs "
            + "".join(
                [
                    "-"
                    for _ in range(
                        5,
                        acl_direction_length
                        + acl_order_length
                        + acl_description_length
                        + acl_rule_length
                        + 2,
                    )
                ]
            ),
        )
    )

    acl_list_output.append(
        "{bold}\
{acl_direction: <{acl_direction_length}} \
{acl_order: <{acl_order_length}} \
{acl_description: <{acl_description_length}} \
{acl_rule: <{acl_rule_length}} \
{end_bold}".format(
            bold=ansiprint.bold(),
            end_bold=ansiprint.end(),
            acl_direction_length=acl_direction_length,
            acl_order_length=acl_order_length,
            acl_description_length=acl_description_length,
            acl_rule_length=acl_rule_length,
            acl_direction="Direction",
            acl_order="Order",
            acl_description="Description",
            acl_rule="Rule",
        )
    )

    for acl_information in sorted(
        acl_list, key=lambda acl: acl["direction"] + str(acl["order"])
    ):
        acl_list_output.append(
            "{bold}\
{acl_direction: <{acl_direction_length}} \
{acl_order: <{acl_order_length}} \
{acl_description: <{acl_description_length}} \
{acl_rule: <{acl_rule_length}} \
{end_bold}".format(
                bold="",
                end_bold="",
                acl_direction_length=acl_direction_length,
                acl_order_length=acl_order_length,
                acl_description_length=acl_description_length,
                acl_rule_length=acl_rule_length,
                acl_direction=acl_information["direction"],
                acl_order=acl_information["order"],
                acl_description=acl_information["description"],
                acl_rule=acl_information["rule"],
            )
        )

    return "\n".join(acl_list_output)


def format_list_sriov_pf(config, pf_list):
    # The maximum column width of the VFs column
    max_vfs_length = 70

    # Handle when we get an empty entry
    if not pf_list:
        pf_list = list()

    pf_list_output = []

    # Determine optimal column widths
    pf_phy_length = 6
    pf_mtu_length = 4
    pf_vfs_length = 4

    for pf_information in pf_list:
        # phy column
        _pf_phy_length = len(str(pf_information["phy"])) + 1
        if _pf_phy_length > pf_phy_length:
            pf_phy_length = _pf_phy_length
        # mtu column
        _pf_mtu_length = len(str(pf_information["mtu"])) + 1
        if _pf_mtu_length > pf_mtu_length:
            pf_mtu_length = _pf_mtu_length
        # vfs column
        _pf_vfs_length = len(str(", ".join(pf_information["vfs"]))) + 1
        if _pf_vfs_length > pf_vfs_length:
            pf_vfs_length = _pf_vfs_length

    # We handle columnizing very long lists later
    if pf_vfs_length > max_vfs_length:
        pf_vfs_length = max_vfs_length

    # Format the string (header)
    pf_list_output.append(
        "{bold}{pf_header: <{pf_header_length}}{end_bold}".format(
            bold=ansiprint.bold(),
            end_bold=ansiprint.end(),
            pf_header_length=pf_phy_length + pf_mtu_length + pf_vfs_length + 2,
            pf_header="PFs "
            + "".join(
                [
                    "-"
                    for _ in range(4, pf_phy_length + pf_mtu_length + pf_vfs_length + 1)
                ]
            ),
        )
    )

    pf_list_output.append(
        "{bold}\
{pf_phy: <{pf_phy_length}} \
{pf_mtu: <{pf_mtu_length}} \
{pf_vfs: <{pf_vfs_length}} \
{end_bold}".format(
            bold=ansiprint.bold(),
            end_bold=ansiprint.end(),
            pf_phy_length=pf_phy_length,
            pf_mtu_length=pf_mtu_length,
            pf_vfs_length=pf_vfs_length,
            pf_phy="Device",
            pf_mtu="MTU",
            pf_vfs="VFs",
        )
    )

    for pf_information in sorted(pf_list, key=lambda p: p["phy"]):
        # Figure out how to nicely columnize our list
        nice_vfs_list = [list()]
        vfs_lines = 0
        cur_vfs_length = 0
        for vfs in pf_information["vfs"]:
            vfs_len = len(vfs)
            cur_vfs_length += vfs_len + 2  # for the comma and space
            if cur_vfs_length > max_vfs_length:
                cur_vfs_length = 0
                vfs_lines += 1
                nice_vfs_list.append(list())
            nice_vfs_list[vfs_lines].append(vfs)

        # Append the lines
        pf_list_output.append(
            "{bold}\
{pf_phy: <{pf_phy_length}} \
{pf_mtu: <{pf_mtu_length}} \
{pf_vfs: <{pf_vfs_length}} \
{end_bold}".format(
                bold="",
                end_bold="",
                pf_phy_length=pf_phy_length,
                pf_mtu_length=pf_mtu_length,
                pf_vfs_length=pf_vfs_length,
                pf_phy=pf_information["phy"],
                pf_mtu=pf_information["mtu"],
                pf_vfs=", ".join(nice_vfs_list[0]),
            )
        )

        if len(nice_vfs_list) > 1:
            for idx in range(1, len(nice_vfs_list)):
                pf_list_output.append(
                    "{bold}\
{pf_phy: <{pf_phy_length}} \
{pf_mtu: <{pf_mtu_length}} \
{pf_vfs: <{pf_vfs_length}} \
{end_bold}".format(
                        bold="",
                        end_bold="",
                        pf_phy_length=pf_phy_length,
                        pf_mtu_length=pf_mtu_length,
                        pf_vfs_length=pf_vfs_length,
                        pf_phy="",
                        pf_mtu="",
                        pf_vfs=", ".join(nice_vfs_list[idx]),
                    )
                )

    return "\n".join(pf_list_output)


def format_list_sriov_vf(config, vf_list):
    # Handle when we get an empty entry
    if not vf_list:
        vf_list = list()

    vf_list_output = []

    # Determine optimal column widths
    vf_phy_length = 4
    vf_pf_length = 3
    vf_mtu_length = 4
    vf_mac_length = 11
    vf_used_length = 5
    vf_domain_length = 5

    for vf_information in vf_list:
        # phy column
        _vf_phy_length = len(str(vf_information["phy"])) + 1
        if _vf_phy_length > vf_phy_length:
            vf_phy_length = _vf_phy_length
        # pf column
        _vf_pf_length = len(str(vf_information["pf"])) + 1
        if _vf_pf_length > vf_pf_length:
            vf_pf_length = _vf_pf_length
        # mtu column
        _vf_mtu_length = len(str(vf_information["mtu"])) + 1
        if _vf_mtu_length > vf_mtu_length:
            vf_mtu_length = _vf_mtu_length
        # mac column
        _vf_mac_length = len(str(vf_information["mac"])) + 1
        if _vf_mac_length > vf_mac_length:
            vf_mac_length = _vf_mac_length
        # used column
        _vf_used_length = len(str(vf_information["usage"]["used"])) + 1
        if _vf_used_length > vf_used_length:
            vf_used_length = _vf_used_length
        # domain column
        _vf_domain_length = len(str(vf_information["usage"]["domain"])) + 1
        if _vf_domain_length > vf_domain_length:
            vf_domain_length = _vf_domain_length

    # Format the string (header)
    vf_list_output.append(
        "{bold}{vf_header: <{vf_header_length}}{end_bold}".format(
            bold=ansiprint.bold(),
            end_bold=ansiprint.end(),
            vf_header_length=vf_phy_length
            + vf_pf_length
            + vf_mtu_length
            + vf_mac_length
            + vf_used_length
            + vf_domain_length
            + 5,
            vf_header="VFs "
            + "".join(
                [
                    "-"
                    for _ in range(
                        4,
                        vf_phy_length
                        + vf_pf_length
                        + vf_mtu_length
                        + vf_mac_length
                        + vf_used_length
                        + vf_domain_length
                        + 4,
                    )
                ]
            ),
        )
    )

    vf_list_output.append(
        "{bold}\
{vf_phy: <{vf_phy_length}} \
{vf_pf: <{vf_pf_length}} \
{vf_mtu: <{vf_mtu_length}} \
{vf_mac: <{vf_mac_length}} \
{vf_used: <{vf_used_length}} \
{vf_domain: <{vf_domain_length}} \
{end_bold}".format(
            bold=ansiprint.bold(),
            end_bold=ansiprint.end(),
            vf_phy_length=vf_phy_length,
            vf_pf_length=vf_pf_length,
            vf_mtu_length=vf_mtu_length,
            vf_mac_length=vf_mac_length,
            vf_used_length=vf_used_length,
            vf_domain_length=vf_domain_length,
            vf_phy="Device",
            vf_pf="PF",
            vf_mtu="MTU",
            vf_mac="MAC Address",
            vf_used="Used",
            vf_domain="Domain",
        )
    )

    for vf_information in sorted(vf_list, key=lambda v: v["phy"]):
        vf_domain = vf_information["usage"]["domain"]
        if not vf_domain:
            vf_domain = "N/A"

        vf_list_output.append(
            "{bold}\
{vf_phy: <{vf_phy_length}} \
{vf_pf: <{vf_pf_length}} \
{vf_mtu: <{vf_mtu_length}} \
{vf_mac: <{vf_mac_length}} \
{vf_used: <{vf_used_length}} \
{vf_domain: <{vf_domain_length}} \
{end_bold}".format(
                bold=ansiprint.bold(),
                end_bold=ansiprint.end(),
                vf_phy_length=vf_phy_length,
                vf_pf_length=vf_pf_length,
                vf_mtu_length=vf_mtu_length,
                vf_mac_length=vf_mac_length,
                vf_used_length=vf_used_length,
                vf_domain_length=vf_domain_length,
                vf_phy=vf_information["phy"],
                vf_pf=vf_information["pf"],
                vf_mtu=vf_information["mtu"],
                vf_mac=vf_information["mac"],
                vf_used=vf_information["usage"]["used"],
                vf_domain=vf_domain,
            )
        )

    return "\n".join(vf_list_output)


def format_info_sriov_vf(config, data):
    if not data or not data["vf_information"]:
        return "No VF found"

    node = data["node"]
    vf_information = data["vf_information"]

    # Get information on the using VM if applicable
    if vf_information["usage"]["used"] == "True" and vf_information["usage"]["domain"]:
        vm_information = call_api(
            config, "get", "/vm/{vm}".format(vm=vf_information["usage"]["domain"])
        ).json()
        if isinstance(vm_information, list) and len(vm_information) > 0:
            vm_information = vm_information[0]
        else:
            vm_information = None

    # Format a nice output: do this line-by-line then concat the elements at the end
    ainformation = []
    ainformation.append(
        "{}SR-IOV VF information:{}".format(ansiprint.bold(), ansiprint.end())
    )
    ainformation.append("")
    # Basic information
    ainformation.append(
        "{}PHY:{}               {}".format(
            ansiprint.purple(), ansiprint.end(), vf_information["phy"]
        )
    )
    ainformation.append(
        "{}PF:{}                {} @ {}".format(
            ansiprint.purple(), ansiprint.end(), vf_information["pf"], node
        )
    )
    ainformation.append(
        "{}MTU:{}               {}".format(
            ansiprint.purple(), ansiprint.end(), vf_information["mtu"]
        )
    )
    ainformation.append(
        "{}MAC Address:{}       {}".format(
            ansiprint.purple(), ansiprint.end(), vf_information["mac"]
        )
    )
    ainformation.append("")
    # Configuration information
    ainformation.append(
        "{}vLAN ID:{}           {}".format(
            ansiprint.purple(), ansiprint.end(), vf_information["config"]["vlan_id"]
        )
    )
    ainformation.append(
        "{}vLAN QOS priority:{} {}".format(
            ansiprint.purple(), ansiprint.end(), vf_information["config"]["vlan_qos"]
        )
    )
    ainformation.append(
        "{}Minimum TX Rate:{}   {}".format(
            ansiprint.purple(), ansiprint.end(), vf_information["config"]["tx_rate_min"]
        )
    )
    ainformation.append(
        "{}Maximum TX Rate:{}   {}".format(
            ansiprint.purple(), ansiprint.end(), vf_information["config"]["tx_rate_max"]
        )
    )
    ainformation.append(
        "{}Link State:{}        {}".format(
            ansiprint.purple(), ansiprint.end(), vf_information["config"]["link_state"]
        )
    )
    ainformation.append(
        "{}Spoof Checking:{}    {}{}{}".format(
            ansiprint.purple(),
            ansiprint.end(),
            getColour(vf_information["config"]["spoof_check"]),
            vf_information["config"]["spoof_check"],
            ansiprint.end(),
        )
    )
    ainformation.append(
        "{}VF User Trust:{}     {}{}{}".format(
            ansiprint.purple(),
            ansiprint.end(),
            getColour(vf_information["config"]["trust"]),
            vf_information["config"]["trust"],
            ansiprint.end(),
        )
    )
    ainformation.append(
        "{}Query RSS Config:{}  {}{}{}".format(
            ansiprint.purple(),
            ansiprint.end(),
            getColour(vf_information["config"]["query_rss"]),
            vf_information["config"]["query_rss"],
            ansiprint.end(),
        )
    )
    ainformation.append("")
    # PCIe bus information
    ainformation.append(
        "{}PCIe domain:{}       {}".format(
            ansiprint.purple(), ansiprint.end(), vf_information["pci"]["domain"]
        )
    )
    ainformation.append(
        "{}PCIe bus:{}          {}".format(
            ansiprint.purple(), ansiprint.end(), vf_information["pci"]["bus"]
        )
    )
    ainformation.append(
        "{}PCIe slot:{}         {}".format(
            ansiprint.purple(), ansiprint.end(), vf_information["pci"]["slot"]
        )
    )
    ainformation.append(
        "{}PCIe function:{}     {}".format(
            ansiprint.purple(), ansiprint.end(), vf_information["pci"]["function"]
        )
    )
    ainformation.append("")
    # Usage information
    ainformation.append(
        "{}VF Used:{}           {}{}{}".format(
            ansiprint.purple(),
            ansiprint.end(),
            getColour(vf_information["usage"]["used"]),
            vf_information["usage"]["used"],
            ansiprint.end(),
        )
    )
    if vf_information["usage"]["used"] == "True" and vm_information is not None:
        ainformation.append(
            "{}Using Domain:{}      {} ({}) ({}{}{})".format(
                ansiprint.purple(),
                ansiprint.end(),
                vf_information["usage"]["domain"],
                vm_information["name"],
                getColour(vm_information["state"]),
                vm_information["state"],
                ansiprint.end(),
            )
        )
    else:
        ainformation.append(
            "{}Using Domain:{}      N/A".format(ansiprint.purple(), ansiprint.end())
        )

    # Join it all together
    return "\n".join(ainformation)
