from unittest.mock import MagicMock

import pytest
from vorta.network_status import darwin


def test_get_current_wifi_when_wifi_is_on(mocker):
    mock_interface = MagicMock()
    mock_network = MagicMock()
    mock_interface.lastNetworkJoined.return_value = mock_network
    mock_network.ssid.return_value = "Coffee Shop Wifi"

    instance = darwin.DarwinNetworkStatus()
    mocker.patch.object(instance, "_get_wifi_interface", return_value=mock_interface)

    result = instance.get_current_wifi()

    assert result == "Coffee Shop Wifi"


def test_get_current_wifi_when_wifi_is_off(mocker):
    mock_interface = MagicMock()
    mock_interface.lastNetworkJoined.return_value = None

    instance = darwin.DarwinNetworkStatus()
    mocker.patch.object(instance, "_get_wifi_interface", return_value=mock_interface)

    result = instance.get_current_wifi()

    assert result is None


def test_get_current_wifi_when_no_wifi_interface(mocker):
    instance = darwin.DarwinNetworkStatus()
    mocker.patch.object(instance, "_get_wifi_interface", return_value=None)

    result = instance.get_current_wifi()

    assert result is None


@pytest.mark.parametrize("is_hotspot_enabled", [True, False])
def test_network_is_metered_with_ios(mocker, is_hotspot_enabled):
    mock_interface = MagicMock()
    mock_network = MagicMock()
    mock_interface.lastNetworkJoined.return_value = mock_network
    mock_network.isPersonalHotspot.return_value = is_hotspot_enabled

    instance = darwin.DarwinNetworkStatus()
    mocker.patch.object(instance, "_get_wifi_interface", return_value=mock_interface)

    result = instance.is_network_metered()

    assert result == is_hotspot_enabled


def test_network_is_metered_when_wifi_is_off(mocker):
    mock_interface = MagicMock()
    mock_interface.lastNetworkJoined.return_value = None

    instance = darwin.DarwinNetworkStatus()
    mocker.patch.object(instance, "_get_wifi_interface", return_value=mock_interface)

    result = instance.is_network_metered()

    assert result is False


@pytest.mark.parametrize(
    'getpacket_output_name, expected',
    [
        ('normal_router', False),
        ('android_phone', True),
    ],
)
def test_is_network_metered_with_android(getpacket_output_name, expected, monkeypatch):
    def mock_getpacket(device):
        assert device == 'en0'
        return GETPACKET_OUTPUTS[getpacket_output_name]

    monkeypatch.setattr(darwin, 'call_ipconfig_getpacket', mock_getpacket)

    result = darwin.is_network_metered_with_android('en0')
    assert result == expected


def test_get_known_wifi_networks_when_wifi_interface_exists(monkeypatch):
    networksetup_output = """
Preferred networks on en0:
    Home Network
    Coffee Shop Wifi
    iPhone

    Office Wifi
    """
    monkeypatch.setattr(
        darwin, "call_networksetup_listpreferredwirelessnetworks", lambda interface_name: networksetup_output
    )

    network_status = darwin.DarwinNetworkStatus()
    result = network_status.get_known_wifis()

    assert len(result) == 4
    assert result[0].ssid == "Home Network"


def test_get_known_wifi_networks_when_no_wifi_interface(mocker):
    instance = darwin.DarwinNetworkStatus()
    mocker.patch.object(instance, "_get_wifi_interface", return_value=None)

    results = instance.get_known_wifis()

    assert results == []


def test_get_network_devices(monkeypatch):
    monkeypatch.setattr(darwin, 'call_networksetup_listallhardwareports', lambda: NETWORKSETUP_OUTPUT)

    result = list(darwin.get_network_devices())
    assert result == ['Bluetooth-Modem', 'en0', 'en1', 'en2', 'bridge0']


GETPACKET_OUTPUTS = {
    'normal_router': b"""\
op = BOOTREPLY
htype = 1
flags = 0
hlen = 6
hops = 0
xid = 0x8dc8db4d
secs = 0
ciaddr = 0.0.0.0
yiaddr = 172.16.13.237
siaddr = 0.0.0.0
giaddr = 0.0.0.0
chaddr = 8c:85:90:ad:ee:a3
sname =
file =
options:
Options count is 9
dhcp_message_type (uint8): ACK 0x5
subnet_mask (ip): 255.255.252.0
router (ip_mult): {172.16.12.1}
domain_name_server (ip_mult): {172.16.12.1, 8.8.8.8}
domain_name (string): .
lease_time (uint32): 0xe10
interface_mtu (uint16): 0x5dc
server_identifier (ip): 172.16.12.1
end (none):
""",
    'android_phone': b"""\
op = BOOTREPLY
htype = 1
flags = 0
hlen = 6
hops = 0
xid = 0x8dc8db4e
secs = 0
ciaddr = 0.0.0.0
yiaddr = 192.168.43.223
siaddr = 192.168.43.242
giaddr = 0.0.0.0
chaddr = 8c:85:90:ad:ee:a3
sname =
file =
options:
Options count is 11
dhcp_message_type (uint8): ACK 0x5
server_identifier (ip): 192.168.43.242
lease_time (uint32): 0xe0f
renewal_t1_time_value (uint32): 0x707
rebinding_t2_time_value (uint32): 0xc4d
subnet_mask (ip): 255.255.255.0
broadcast_address (ip): 192.168.43.255
router (ip_mult): {192.168.43.242}
domain_name_server (ip_mult): {192.168.43.242}
vendor_specific (opaque):
0000  41 4e 44 52 4f 49 44 5f  4d 45 54 45 52 45 44     ANDROID_METERED
""",
}

NETWORKSETUP_OUTPUT = b"""\
Hardware Port: Bluetooth DUN
Device: Bluetooth-Modem
Ethernet Address: N/A

Hardware Port: Wi-Fi
Device: en0
Ethernet Address: d7:02:65:7c:1e:14

Hardware Port: Bluetooth PAN
Device: en1
Ethernet Address: N/A

Hardware Port: Thunderbolt 1
Device: en2
Ethernet Address: bb:e8:c3:25:2b:12

Hardware Port: Thunderbolt Bridge
Device: bridge0
Ethernet Address: N/A
"""