from unittest.mock import MagicMock, patch

import pytest
from typing import Any, Dict, List

from cura.Settings.IntentManager import IntentManager
from cura.Machines.QualityGroup import QualityGroup
from cura.Machines.QualityManager import QualityManager

from tests.Settings.MockContainer import MockContainer


@pytest.fixture()
def quality_manager(application, container_registry, global_stack) -> QualityManager:
    application.getGlobalContainerStack = MagicMock(return_value = global_stack)
    with patch("cura.CuraApplication.CuraApplication.getInstance", MagicMock(return_value = application)):
        with patch("UM.Settings.ContainerRegistry.ContainerRegistry.getInstance", MagicMock(return_value = container_registry)):
            manager = QualityManager()
    return manager


@pytest.fixture()
def intent_manager(application, extruder_manager, machine_manager, quality_manager, container_registry, global_stack) -> IntentManager:
    application.getExtruderManager = MagicMock(return_value = extruder_manager)
    application.getGlobalContainerStack = MagicMock(return_value = global_stack)
    application.getMachineManager = MagicMock(return_value = machine_manager)
    application.getQualityManager = MagicMock(return_value = quality_manager)
    with patch("cura.CuraApplication.CuraApplication.getInstance", MagicMock(return_value = application)):
        with patch("UM.Settings.ContainerRegistry.ContainerRegistry.getInstance", MagicMock(return_value = container_registry)):
            manager = IntentManager()
    return manager


mocked_intent_metadata = [
    {"id": "um3_aa4_pla_smooth_normal", "GUID": "abcxyz", "definition": "ultimaker3", "variant": "AA 0.4",
     "material_id": "generic_pla", "intent_category": "smooth", "quality_type": "normal"},
    {"id": "um3_aa4_pla_strong_abnorm", "GUID": "defqrs", "definition": "ultimaker3", "variant": "AA 0.4",
     "material_id": "generic_pla", "intent_category": "strong", "quality_type": "abnorm"}]  # type:List[Dict[str, str]]

mocked_qualitygroup_metadata = {
    "normal": QualityGroup("um3_aa4_pla_normal", "normal"),
    "abnorm": QualityGroup("um3_aa4_pla_abnorm", "abnorm")}  # type:Dict[str, QualityGroup]


def mockFindMetadata(**kwargs) -> List[Dict[str, Any]]:
    if "id" in kwargs:
        return [x for x in mocked_intent_metadata if x["id"] == kwargs["id"]]
    else:
        result = []
        for data in mocked_intent_metadata:
            should_add = True
            for key, value in kwargs.items():
                if key in data.keys():
                    should_add &= (data[key] == value)
            if should_add:
                result.append(data)
        return result


def mockFindContainers(**kwargs) -> List[MockContainer]:
    result = []
    metadatas = mockFindMetadata(**kwargs)
    for metadata in metadatas:
        result.append(MockContainer(metadata))
    return result


def doSetup(application, extruder_manager, quality_manager, container_registry, global_stack) -> None:
    container_registry.findContainersMetadata = MagicMock(side_effect = mockFindMetadata)
    container_registry.findContainers = MagicMock(side_effect = mockFindContainers)

    quality_manager.getQualityGroups = MagicMock(return_value = mocked_qualitygroup_metadata)
    for _, qualitygroup in mocked_qualitygroup_metadata.items():
        qualitygroup.node_for_global = MagicMock(name = "Node for global")
    application.getQualityManager = MagicMock(return_value = quality_manager)

    global_stack.definition = MockContainer({"id": "ultimaker3"})
    application.getGlobalContainerStack = MagicMock(return_value = global_stack)

    extruder_stack_a = MockContainer({"id": "Extruder The First"})
    extruder_stack_a.variant = MockContainer({"name": "AA 0.4"})
    extruder_stack_a.material = MockContainer({"base_file": "generic_pla"})
    extruder_stack_b = MockContainer({"id": "Extruder II: Plastic Boogaloo"})
    extruder_stack_b.variant = MockContainer({"name": "AA 0.4"})
    extruder_stack_b.material = MockContainer({"base_file": "generic_pla"})

    application.getGlobalContainerStack().extruderList = [extruder_stack_a, extruder_stack_b]
    extruder_manager.getUsedExtruderStacks = MagicMock(return_value = [extruder_stack_a, extruder_stack_b])


def test_intentCategories(application, intent_manager, container_registry):
    # Mock .findContainersMetadata so we also test .intentMetadatas (the latter is mostly a wrapper around the former).
    container_registry.findContainersMetadata = MagicMock(return_value = mocked_intent_metadata)

    with patch("cura.CuraApplication.CuraApplication.getInstance", MagicMock(return_value = application)):
        with patch("UM.Settings.ContainerRegistry.ContainerRegistry.getInstance", MagicMock(return_value = container_registry)):
            categories = intent_manager.intentCategories("ultimaker3", "AA 0.4", "generic_pla")  # type:List[str]
            assert "default" in categories, "default should always be in categories"
            assert "strong" in categories, "strong should be in categories"
            assert "smooth" in categories, "smooth should be in categories"


def test_getCurrentAvailableIntents(application, extruder_manager, quality_manager, intent_manager, container_registry, global_stack):
    doSetup(application, extruder_manager, quality_manager, container_registry, global_stack)

    with patch("cura.CuraApplication.CuraApplication.getInstance", MagicMock(return_value = application)):
        with patch("UM.Settings.ContainerRegistry.ContainerRegistry.getInstance", MagicMock(return_value = container_registry)):
            intents = intent_manager.getCurrentAvailableIntents()
            assert ("smooth", "normal") in intents
            assert ("strong", "abnorm") in intents
            #assert ("default", "normal") in intents  # Pending to-do in 'IntentManager'.
            #assert ("default", "abnorm") in intents  # Pending to-do in 'IntentManager'.
            assert len(intents) == 2  # Or 4? pending to-do in 'IntentManager'.


def test_currentAvailableIntentCategories(application, extruder_manager, quality_manager, intent_manager, container_registry, global_stack):
    doSetup(application, extruder_manager, quality_manager, container_registry, global_stack)

    with patch("cura.CuraApplication.CuraApplication.getInstance", MagicMock(return_value=application)):
        with patch("UM.Settings.ContainerRegistry.ContainerRegistry.getInstance", MagicMock(return_value=container_registry)):
            with patch("cura.Settings.ExtruderManager.ExtruderManager.getInstance", MagicMock(return_value=extruder_manager)):
                categories = intent_manager.currentAvailableIntentCategories()
                assert "default" in categories  # Currently inconsistent with 'currentAvailableIntents'!
                assert "smooth" in categories
                assert "strong" in categories
                assert len(categories) == 3


def test_selectIntent(application, extruder_manager, quality_manager, intent_manager, container_registry, global_stack):
    doSetup(application, extruder_manager, quality_manager, container_registry, global_stack)

    with patch("cura.CuraApplication.CuraApplication.getInstance", MagicMock(return_value=application)):
        with patch("UM.Settings.ContainerRegistry.ContainerRegistry.getInstance", MagicMock(return_value=container_registry)):
            with patch("cura.Settings.ExtruderManager.ExtruderManager.getInstance", MagicMock(return_value=extruder_manager)):
                intents = intent_manager.getCurrentAvailableIntents()
                for intent, quality in intents:
                    intent_manager.selectIntent(intent, quality)
                    extruder_stacks = extruder_manager.getUsedExtruderStacks()
                    assert len(extruder_stacks) == 2
                    assert extruder_stacks[0].intent.getMetaDataEntry("intent_category") == intent
                    assert extruder_stacks[1].intent.getMetaDataEntry("intent_category") == intent