"""Shared fixtures and mock helpers for napalm-proxmox tests."""

from __future__ import annotations

import pytest
from unittest.mock import MagicMock, patch

from napalm_proxmox.driver import ProxmoxDriver


# ---------------------------------------------------------------------------
# Sample API payloads
# ---------------------------------------------------------------------------

NODE_STATUS = {
    "uptime": 123456,
    "model": "PowerEdge R640",
    "cpu": 0.12,
    "memory": {"total": 137438953472, "used": 68719476736},
}

VERSION_INFO = {"version": "8.2.4", "release": "8", "repoid": "abc123"}

NODE_NETWORK = [
    {
        "iface": "eth0",
        "type": "eth",
        "active": 1,
        "autostart": 1,
        "hwaddr": "aa:bb:cc:dd:ee:01",
        "speed": 1000,
        "mtu": 1500,
        "address": "10.0.0.1",
        "netmask": "255.255.255.0",
        "comments": "Management",
    },
    {
        "iface": "eth1",
        "type": "eth",
        "active": 1,
        "autostart": 1,
        "hwaddr": "aa:bb:cc:dd:ee:02",
        "speed": 10000,
        "mtu": 9000,
        "comments": "",
    },
    {
        "iface": "vmbr0",
        "type": "bridge",
        "active": 1,
        "autostart": 1,
        "hwaddr": "aa:bb:cc:dd:ee:03",
        "speed": None,
        "mtu": 1500,
        "address": "192.168.1.1",
        "netmask": "255.255.255.0",
        "comments": "Linux bridge",
    },
    {
        "iface": "vmbr1",
        "type": "OVSBridge",
        "active": 0,
        "autostart": 1,
        "hwaddr": "",
        "speed": None,
        "mtu": 1500,
        "comments": "OVS bridge",
    },
]

SDN_ZONES = [
    {"zone": "zone-vlan", "type": "vlan", "nodes": "pve1"},
    {"zone": "zone-vxlan", "type": "vxlan", "nodes": "pve1,pve2", "vrf-vxlan": 10000},
    {"zone": "zone-evpn", "type": "evpn", "nodes": "pve1,pve2", "vrf-vxlan": 10001},
]

SDN_VNETS = [
    {"vnet": "vnet0", "zone": "zone-vlan", "tag": 10},
    {"vnet": "vnet1", "zone": "zone-vlan", "tag": 20},
    {"vnet": "vnet2", "zone": "zone-vxlan", "tag": 100000},
]

SDN_SUBNETS_VNET0 = [
    {"cidr": "10.10.0.0/24", "gateway": "10.10.0.1", "vnet": "vnet0"},
]

SDN_SUBNETS_VNET1 = [
    {"cidr": "10.20.0.0/24", "gateway": "10.20.0.1", "vnet": "vnet1"},
    {"cidr": "2001:db8:20::/64", "gateway": "2001:db8:20::1", "vnet": "vnet1"},
]

SDN_SUBNETS_VNET2: list = []

# A DNS *search domain*, not an FQDN. It used to read "pve1.example.com",
# which made get_facts build "pve1.pve1.example.com" and looked like a
# driver bug rather than bad test data.
DNS_INFO = {"search": "example.com", "dns1": "8.8.8.8"}

NTP_INFO = {"server": "pool.ntp.org,time.cloudflare.com"}

NODE_NETSTAT = [
    {
        "dev": "eth0",
        "rx_bytes": 1000000,
        "tx_bytes": 500000,
        "rx_packets": 1000,
        "tx_packets": 900,
        "rx_errs": 0,
        "tx_errs": 0,
        "rx_drop": 0,
        "tx_drop": 1,
    }
]

NODES_LIST = [{"node": "pve1", "status": "online"}]

PVE_USERS = [
    {"userid": "root@pam", "groups": ""},
    {"userid": "napalm@pam", "groups": ""},
]


# ---------------------------------------------------------------------------
# Driver fixture
# ---------------------------------------------------------------------------

def _build_mock_api(
    nodes=None,
    node_status=None,
    version=None,
    network=None,
    sdn_zones=None,
    sdn_vnets=None,
    sdn_subnets=None,
    dns=None,
    ntp=None,
    netstat=None,
    pve_users=None,
    exec_return="",
    sensors=None,
):
    """Build a MagicMock ProxmoxAPI with pre-configured return values."""
    api = MagicMock()

    # Nodes list
    api.nodes.get.return_value = nodes or NODES_LIST

    # Version
    api.version.get.return_value = version or VERSION_INFO

    # Node sub-resource
    node_res = MagicMock()
    api.nodes.return_value = node_res

    node_res.status.get.return_value = node_status or NODE_STATUS
    node_res.network.get.return_value = network if network is not None else NODE_NETWORK
    node_res.dns.get.return_value = dns or DNS_INFO
    node_res.ntp.get.return_value = ntp or NTP_INFO
    node_res.netstat.get.return_value = netstat or NODE_NETSTAT
    node_res.execute.post.return_value = {"data": exec_return}
    node_res.hardware.sensors.get.return_value = sensors or []
    node_res.time.get.return_value = {}
    node_res.subscription.get.return_value = {}

    # SDN
    cluster = MagicMock()
    api.cluster = cluster
    cluster.sdn.zones.get.return_value = sdn_zones or SDN_ZONES
    cluster.sdn.vnets.get.return_value = sdn_vnets or SDN_VNETS

    # SDN subnets per vnet
    subnets_map = sdn_subnets or {
        "vnet0": SDN_SUBNETS_VNET0,
        "vnet1": SDN_SUBNETS_VNET1,
        "vnet2": SDN_SUBNETS_VNET2,
    }

    def _vnet_resource(vnet_id):
        vnet_res = MagicMock()
        vnet_res.subnets.get.return_value = subnets_map.get(vnet_id, [])
        return vnet_res

    cluster.sdn.vnets.side_effect = _vnet_resource

    # Access / users
    api.access.users.get.return_value = pve_users or PVE_USERS
    api.access.users.return_value.get.return_value = {}

    return api


@pytest.fixture
def driver():
    """Return an open ProxmoxDriver with a mocked API."""
    drv = ProxmoxDriver(
        hostname="pve1.example.com",
        username="root",
        password="secret",
        optional_args={"verify_ssl": False, "realm": "pam"},
    )
    mock_api = _build_mock_api()
    with patch("napalm_proxmox.driver.ProxmoxAPI", return_value=mock_api):
        drv.open()
    return drv


@pytest.fixture
def driver_with_exec(request):
    """Return a driver whose exec endpoint returns a parametrised string."""
    exec_output = getattr(request, "param", "")
    drv = ProxmoxDriver(
        hostname="pve1.example.com",
        username="root",
        password="secret",
        optional_args={"verify_ssl": False},
    )
    mock_api = _build_mock_api(exec_return=exec_output)
    with patch("napalm_proxmox.driver.ProxmoxAPI", return_value=mock_api):
        drv.open()
    return drv