import pytest

from core.conf import ConfigurableManager
from core.conf import ConfigurableOptions
from core.conf import Configuration
from core.conf import ModelManager
from core.emane.ieee80211abg import EmaneIeee80211abgModel
from core.enumerations import ConfigDataTypes
from core.enumerations import NodeTypes
from core.mobility import BasicRangeModel


class TestConfigurableOptions(ConfigurableOptions):
    name_one = "value1"
    name_two = "value2"
    options = [
        Configuration(
            _id=name_one,
            _type=ConfigDataTypes.STRING,
            label=name_one
        ),
        Configuration(
            _id=name_two,
            _type=ConfigDataTypes.STRING,
            label=name_two
        )
    ]


class TestConf:
    def test_configurable_options_default(self):
        # given
        configurable_options = TestConfigurableOptions()

        # when
        default_values = TestConfigurableOptions.default_values()
        instance_default_values = configurable_options.default_values()

        # then
        assert len(default_values) == 2
        assert TestConfigurableOptions.name_one in default_values
        assert TestConfigurableOptions.name_two in default_values
        assert len(instance_default_values) == 2
        assert TestConfigurableOptions.name_one in instance_default_values
        assert TestConfigurableOptions.name_two in instance_default_values

    def test_nodes(self):
        # given
        config_manager = ConfigurableManager()
        test_config = {1: 2}
        node_id = 1
        config_manager.set_configs(test_config)
        config_manager.set_configs(test_config, node_id=node_id)

        # when
        nodes = config_manager.nodes()

        # then
        assert len(nodes) == 1
        assert node_id in nodes

    def test_config_reset_all(self):
        # given
        config_manager = ConfigurableManager()
        test_config = {1: 2}
        node_id = 1
        config_manager.set_configs(test_config)
        config_manager.set_configs(test_config, node_id=node_id)

        # when
        config_manager.config_reset()

        # then
        assert not config_manager.node_configurations

    def test_config_reset_node(self):
        # given
        config_manager = ConfigurableManager()
        test_config = {1: 2}
        node_id = 1
        config_manager.set_configs(test_config)
        config_manager.set_configs(test_config, node_id=node_id)

        # when
        config_manager.config_reset(node_id)

        # then
        assert not config_manager.has_configs(node_id)
        assert config_manager.get_configs()

    def test_configs_setget(self):
        # given
        config_manager = ConfigurableManager()
        test_config = {1: 2}
        node_id = 1
        config_manager.set_configs(test_config)
        config_manager.set_configs(test_config, node_id=node_id)

        # when
        default_config = config_manager.get_configs()
        node_config = config_manager.get_configs(node_id)

        # then
        assert default_config
        assert node_config

    def test_config_setget(self):
        # given
        config_manager = ConfigurableManager()
        name = "test"
        value = "1"
        node_id = 1
        config_manager.set_config(name, value)
        config_manager.set_config(name, value, node_id=node_id)

        # when
        defaults_value = config_manager.get_config(name)
        node_value = config_manager.get_config(name, node_id=node_id)

        # then
        assert defaults_value == value
        assert node_value == value

    def test_model_setget_config(self):
        # given
        manager = ModelManager()
        manager.models[BasicRangeModel.name] = BasicRangeModel

        # when
        manager.set_model_config(1, BasicRangeModel.name)

        # then
        assert manager.get_model_config(1, BasicRangeModel.name)

    def test_model_set_config_error(self):
        # given
        manager = ModelManager()
        manager.models[BasicRangeModel.name] = BasicRangeModel
        bad_name = "bad-model"

        # when/then
        with pytest.raises(ValueError):
            manager.set_model_config(1, bad_name)

    def test_model_get_config_error(self):
        # given
        manager = ModelManager()
        manager.models[BasicRangeModel.name] = BasicRangeModel
        bad_name = "bad-model"

        # when/then
        with pytest.raises(ValueError):
            manager.get_model_config(1, bad_name)

    def test_model_set(self, session):
        # given
        wlan_node = session.add_node(_type=NodeTypes.WIRELESS_LAN)

        # when
        session.mobility.set_model(wlan_node, BasicRangeModel)

        # then
        assert session.mobility.get_model_config(wlan_node.objid, BasicRangeModel.name)

    def test_model_set_error(self, session):
        # given
        wlan_node = session.add_node(_type=NodeTypes.WIRELESS_LAN)

        # when / then
        with pytest.raises(ValueError):
            session.mobility.set_model(wlan_node, EmaneIeee80211abgModel)

    def test_get_models(self, session):
        # given
        wlan_node = session.add_node(_type=NodeTypes.WIRELESS_LAN)
        session.mobility.set_model(wlan_node, BasicRangeModel)

        # when
        models = session.mobility.get_models(wlan_node)

        # then
        assert models
        assert len(models) == 1