# Copyright (c) 2019 Ultimaker B.V.
# Cura is released under the terms of the LGPLv3 or higher.

from unittest.mock import patch, MagicMock
import pytest

from cura.Machines.MaterialNode import MaterialNode

instance_container_metadata_dict = {"fdmprinter": {"no_variant": [{"id": "quality_1", "material": "material_1"}]},
                                    "machine_1": {"variant_1": {"material_1": [{"id": "quality_2", "material": "material_1"}, {"id": "quality_3","material": "material_1"}]}}}

metadata_dict = {}


def getMetadataEntrySideEffect(*args, **kwargs):
    return metadata_dict.get(args[0])


def createMockedInstanceContainer(container_id):
    result = MagicMock()
    result.getId = MagicMock(return_value=container_id)
    result.getMetaDataEntry = MagicMock(side_effect=getMetadataEntrySideEffect)
    return result


def getInstanceContainerSideEffect(*args, **kwargs):
    variant = kwargs.get("variant")
    definition = kwargs.get("definition")
    type = kwargs.get("type")
    material = kwargs.get("material")
    if material is not None and variant is not None:
        definition_dict = instance_container_metadata_dict.get(definition)
        variant_dict = definition_dict.get(variant)
        material_dict = variant_dict.get("material_1")
        return material_dict
    if type == "quality":
        if variant is None:
            return instance_container_metadata_dict.get(definition).get("no_variant")
        else:
            return instance_container_metadata_dict.get(definition).get(variant).get("material_1")
    if definition is None:
        return [{"id": "material_1", "material": "material_1"}]
    return instance_container_metadata_dict.get(definition).get("no_variant")


@pytest.fixture
def container_registry():
    result = MagicMock()
    result.findInstanceContainersMetadata = MagicMock(side_effect=getInstanceContainerSideEffect)
    result.findContainersMetadata = MagicMock(return_value = [{"base_file": "material_1", "material": "test_material_type", "GUID": "omg zomg"}])
    return result


def test_materialNodeInit_noMachineQuality(container_registry):
    variant_node = MagicMock()
    variant_node.variant_name = "variant_1"
    variant_node.machine.has_machine_quality = False
    with patch("cura.Machines.MaterialNode.QualityNode"):
        with patch("UM.Settings.ContainerRegistry.ContainerRegistry.getInstance", MagicMock(return_value=container_registry)):
            node = MaterialNode("material_1", variant_node)

    assert len(node.qualities) == 1
    assert "quality_1" in node.qualities


def test_materialNodeInit_MachineQuality(container_registry):
    variant_node = MagicMock()
    variant_node.variant_name = "variant_1"
    variant_node.machine.has_machine_quality = True
    variant_node.machine.quality_definition = "machine_1"
    with patch("cura.Machines.MaterialNode.QualityNode"):
        with patch("UM.Settings.ContainerRegistry.ContainerRegistry.getInstance", MagicMock(return_value=container_registry)):
            node = MaterialNode("material_1", variant_node)

    assert len(node.qualities) == 2
    assert "quality_2" in node.qualities
    assert "quality_3" in node.qualities


def test_onRemoved_wrongContainer(container_registry):
    variant_node = MagicMock()
    variant_node.variant_name = "variant_1"
    variant_node.machine.has_machine_quality = True
    variant_node.machine.quality_definition = "machine_1"
    variant_node.materials = {"material_1": MagicMock()}
    with patch("cura.Machines.MaterialNode.QualityNode"):
        with patch("UM.Settings.ContainerRegistry.ContainerRegistry.getInstance",MagicMock(return_value=container_registry)):
            node = MaterialNode("material_1", variant_node)

    container = createMockedInstanceContainer("material_2")
    node._onRemoved(container)

    assert "material_1" in variant_node.materials


def test_onRemoved_rightContainer(container_registry):
    variant_node = MagicMock()
    variant_node.variant_name = "variant_1"
    variant_node.machine.has_machine_quality = True
    variant_node.machine.quality_definition = "machine_1"
    with patch("cura.Machines.MaterialNode.QualityNode"):
        with patch("UM.Settings.ContainerRegistry.ContainerRegistry.getInstance", MagicMock(return_value=container_registry)):
            node = MaterialNode("material_1", variant_node)

            container = createMockedInstanceContainer("material_1")
            variant_node.materials = {"material_1": MagicMock()}
            node._onRemoved(container)

    assert "material_1" not in variant_node.materials


def test_onMetadataChanged(container_registry):
    variant_node = MagicMock()
    variant_node.variant_name = "variant_1"
    variant_node.machine.has_machine_quality = True
    variant_node.machine.quality_definition = "machine_1"
    with patch("cura.Machines.MaterialNode.QualityNode"):
        with patch("UM.Settings.ContainerRegistry.ContainerRegistry.getInstance", MagicMock(return_value=container_registry)):
            node = MaterialNode("material_1", variant_node)

    # We only do this now since we do want it to be constructed but not actually re-evaluated.
    node._loadAll = MagicMock()

    container = createMockedInstanceContainer("material_1")
    container.getMetaData = MagicMock(return_value = {"base_file": "new_base_file", "material": "new_material_type", "GUID": "new_guid"})

    node._onMetadataChanged(container)

    assert node.material_type == "new_material_type"
    assert node.guid == "new_guid"
    assert node.base_file == "new_base_file"


def test_onMetadataChanged_wrongContainer(container_registry):
    variant_node = MagicMock()
    variant_node.variant_name = "variant_1"
    variant_node.machine.has_machine_quality = True
    variant_node.machine.quality_definition = "machine_1"
    with patch("cura.Machines.MaterialNode.QualityNode"):
        with patch("UM.Settings.ContainerRegistry.ContainerRegistry.getInstance",
                   MagicMock(return_value=container_registry)):
            node = MaterialNode("material_1", variant_node)

    # We only do this now since we do want it to be constructed but not actually re-evaluated.
    node._loadAll = MagicMock()

    container = createMockedInstanceContainer("material_2")
    container.getMetaData = MagicMock(
        return_value={"base_file": "new_base_file", "material": "new_material_type", "GUID": "new_guid"})

    node._onMetadataChanged(container)

    assert node.material_type == "test_material_type"
    assert node.guid == "omg zomg"
    assert node.base_file == "material_1"