// Copyright (c) 2017 Ultimaker B.V.
// Cura is released under the terms of the LGPLv3 or higher.

import QtQuick 2.7
import QtQuick.Controls 1.4
import QtQuick.Dialogs 1.2

import UM 1.2 as UM
import Cura 1.0 as Cura

TabView
{
    id: base

    property QtObject materialManager: CuraApplication.getMaterialManager()

    property QtObject properties
    property var currentMaterialNode: null

    property bool editingEnabled: false;
    property string currency: UM.Preferences.getValue("cura/currency") ? UM.Preferences.getValue("cura/currency") : "€"
    property real firstColumnWidth: (width * 0.50) | 0
    property real secondColumnWidth: (width * 0.40) | 0
    property string containerId: ""
    property var materialPreferenceValues: UM.Preferences.getValue("cura/material_settings") ? JSON.parse(UM.Preferences.getValue("cura/material_settings")) : {}

    property double spoolLength: calculateSpoolLength()
    property real costPerMeter: calculateCostPerMeter()

    property bool reevaluateLinkedMaterials: false
    property string linkedMaterialNames:
    {
        if (reevaluateLinkedMaterials) {
            reevaluateLinkedMaterials = false;
        }
        if (!base.containerId || !base.editingEnabled) {
            return ""
        }
        var linkedMaterials = Cura.ContainerManager.getLinkedMaterials(base.currentMaterialNode, true);
        if (linkedMaterials.length == 0) {
            return ""
        }
        return linkedMaterials.join(", ");
    }

    function getApproximateDiameter(diameter) {
        return Math.round(diameter);
    }

    // This trick makes sure to make all fields lose focus so their onEditingFinished will be triggered
    // and modified values will be saved. This can happen when a user changes a value and then closes the
    // dialog directly.
    //
    // Please note that somehow this callback is ONLY triggered when visible is false.
    onVisibleChanged:
    {
        if (!visible)
        {
            base.focus = false;
        }
    }

    Tab
    {
        title: catalog.i18nc("@title", "Information")

        anchors.margins: UM.Theme.getSize("default_margin").width

        ScrollView
        {
            id: scrollView
            anchors.fill: parent
            horizontalScrollBarPolicy: Qt.ScrollBarAlwaysOff
            flickableItem.flickableDirection: Flickable.VerticalFlick
            frameVisible: true

            property real columnWidth: (viewport.width * 0.5 - UM.Theme.getSize("default_margin").width) | 0

            Flow
            {
                id: containerGrid

                x: UM.Theme.getSize("default_margin").width
                y: UM.Theme.getSize("default_lining").height

                width: base.width
                property real rowHeight: textField.height + UM.Theme.getSize("default_lining").height

                MessageDialog
                {
                    id: confirmDiameterChangeDialog

                    icon: StandardIcon.Question;
                    title: catalog.i18nc("@title:window", "Confirm Diameter Change")
                    text: catalog.i18nc("@label (%1 is a number)", "The new filament diameter is set to %1 mm, which is not compatible with the current extruder. Do you wish to continue?".arg(new_diameter_value))
                    standardButtons: StandardButton.Yes | StandardButton.No
                    modality: Qt.ApplicationModal

                    property var new_diameter_value: null;
                    property var old_diameter_value: null;
                    property var old_approximate_diameter_value: null;
                    property bool keyPressed: false

                    onYes:
                    {
                        Cura.ContainerManager.setContainerProperty(base.containerId, "material_diameter", "value", new_diameter_value);
                        base.setMetaDataEntry("approximate_diameter", old_approximate_diameter_value, getApproximateDiameter(new_diameter_value).toString());
                        base.setMetaDataEntry("properties/diameter", properties.diameter, new_diameter_value);
                    }

                    onNo:
                    {
                        properties.diameter = old_diameter_value;
                        diameterSpinBox.value = properties.diameter;
                    }

                    onVisibilityChanged:
                    {
                        if (!visible && !keyPressed)
                        {
                            // If the user closes this dialog without clicking on any button, it's the same as clicking "No".
                            no();
                        }
                        keyPressed = false;
                    }
                }

                Label { width: scrollView.columnWidth; height: parent.rowHeight; verticalAlignment: Qt.AlignVCenter; text: catalog.i18nc("@label", "Display Name") }
                ReadOnlyTextField
                {
                    id: displayNameTextField;
                    width: scrollView.columnWidth;
                    text: properties.name;
                    readOnly: !base.editingEnabled;
                    onEditingFinished: base.updateMaterialDisplayName(properties.name, text)
                }

                Label { width: scrollView.columnWidth; height: parent.rowHeight; verticalAlignment: Qt.AlignVCenter; text: catalog.i18nc("@label", "Brand") }
                ReadOnlyTextField
                {
                    id: textField;
                    width: scrollView.columnWidth;
                    text: properties.brand;
                    readOnly: !base.editingEnabled;
                    onEditingFinished: base.updateMaterialBrand(properties.brand, text)
                }

                Label { width: scrollView.columnWidth; height: parent.rowHeight; verticalAlignment: Qt.AlignVCenter; text: catalog.i18nc("@label", "Material Type") }
                ReadOnlyTextField
                {
                    width: scrollView.columnWidth;
                    text: properties.material;
                    readOnly: !base.editingEnabled;
                    onEditingFinished: base.updateMaterialType(properties.material, text)
                }

                Label { width: scrollView.columnWidth; height: parent.rowHeight; verticalAlignment: Qt.AlignVCenter; text: catalog.i18nc("@label", "Color") }
                Row {
                    width: scrollView.columnWidth
                    height:  parent.rowHeight
                    spacing: Math.round(UM.Theme.getSize("default_margin").width / 2)

                    // color indicator square
                    Rectangle {
                        id: colorSelector
                        color: properties.color_code

                        width: Math.round(colorLabel.height * 0.75)
                        height: Math.round(colorLabel.height * 0.75)
                        border.width: UM.Theme.getSize("default_lining").height

                        anchors.verticalCenter: parent.verticalCenter

                        // open the color selection dialog on click
                        MouseArea {
                            anchors.fill: parent
                            onClicked: colorDialog.open()
                            enabled: base.editingEnabled
                        }
                    }

                    // pretty color name text field
                    ReadOnlyTextField {
                        id: colorLabel;
                        text: properties.color_name;
                        readOnly: !base.editingEnabled
                        onEditingFinished: base.setMetaDataEntry("color_name", properties.color_name, text)
                    }

                    // popup dialog to select a new color
                    // if successful it sets the properties.color_code value to the new color
                    ColorDialog {
                        id: colorDialog
                        color: properties.color_code
                        onAccepted: base.setMetaDataEntry("color_code", properties.color_code, color)
                    }
                }

                Item { width: parent.width; height: UM.Theme.getSize("default_margin").height }

                Label { width: parent.width; height: parent.rowHeight; font.bold: true; verticalAlignment: Qt.AlignVCenter; text: catalog.i18nc("@label", "Properties") }

                Label { width: scrollView.columnWidth; height: parent.rowHeight; verticalAlignment: Qt.AlignVCenter; text: catalog.i18nc("@label", "Density") }
                ReadOnlySpinBox
                {
                    id: densitySpinBox
                    width: scrollView.columnWidth
                    value: properties.density
                    decimals: 2
                    suffix: " g/cm³"
                    stepSize: 0.01
                    readOnly: !base.editingEnabled

                    onEditingFinished: base.setMetaDataEntry("properties/density", properties.density, value)
                    onValueChanged: updateCostPerMeter()
                }

                Label { width: scrollView.columnWidth; height: parent.rowHeight; verticalAlignment: Qt.AlignVCenter; text: catalog.i18nc("@label", "Diameter") }
                ReadOnlySpinBox
                {
                    id: diameterSpinBox
                    width: scrollView.columnWidth
                    value: properties.diameter
                    decimals: 2
                    suffix: " mm"
                    stepSize: 0.01
                    readOnly: !base.editingEnabled

                    onEditingFinished:
                    {
                        // This does not use a SettingPropertyProvider, because we need to make the change to all containers
                        // which derive from the same base_file
                        var old_diameter = Cura.ContainerManager.getContainerProperty(base.containerId, "material_diameter", "value").toString();
                        var old_approximate_diameter = Cura.ContainerManager.getContainerMetaDataEntry(base.containerId, "approximate_diameter");
                        var new_approximate_diameter = getApproximateDiameter(value);
                        if (new_approximate_diameter != Cura.ExtruderManager.getActiveExtruderStack().approximateMaterialDiameter)
                        {
                            confirmDiameterChangeDialog.old_diameter_value = old_diameter;
                            confirmDiameterChangeDialog.new_diameter_value = value;
                            confirmDiameterChangeDialog.old_approximate_diameter_value = old_approximate_diameter;

                            confirmDiameterChangeDialog.open()
                        }
                        else {
                            Cura.ContainerManager.setContainerProperty(base.containerId, "material_diameter", "value", value);
                            base.setMetaDataEntry("approximate_diameter", old_approximate_diameter, getApproximateDiameter(value).toString());
                            base.setMetaDataEntry("properties/diameter", properties.diameter, value);
                        }
                    }
                    onValueChanged: updateCostPerMeter()
                }

                Label { width: scrollView.columnWidth; height: parent.rowHeight; verticalAlignment: Qt.AlignVCenter; text: catalog.i18nc("@label", "Filament Cost") }
                SpinBox
                {
                    id: spoolCostSpinBox
                    width: scrollView.columnWidth
                    value: base.getMaterialPreferenceValue(properties.guid, "spool_cost")
                    prefix: base.currency + " "
                    decimals: 2
                    maximumValue: 100000000

                    onValueChanged: {
                        base.setMaterialPreferenceValue(properties.guid, "spool_cost", parseFloat(value))
                        updateCostPerMeter()
                    }
                }

                Label { width: scrollView.columnWidth; height: parent.rowHeight; verticalAlignment: Qt.AlignVCenter; text: catalog.i18nc("@label", "Filament weight") }
                SpinBox
                {
                    id: spoolWeightSpinBox
                    width: scrollView.columnWidth
                    value: base.getMaterialPreferenceValue(properties.guid, "spool_weight")
                    suffix: " g"
                    stepSize: 100
                    decimals: 0
                    maximumValue: 10000

                    onValueChanged: {
                        base.setMaterialPreferenceValue(properties.guid, "spool_weight", parseFloat(value))
                        updateCostPerMeter()
                    }
                }

                Label { width: scrollView.columnWidth; height: parent.rowHeight; verticalAlignment: Qt.AlignVCenter; text: catalog.i18nc("@label", "Filament length") }
                Label
                {
                    width: scrollView.columnWidth
                    text: "~ %1 m".arg(Math.round(base.spoolLength))
                    verticalAlignment: Qt.AlignVCenter
                    height: parent.rowHeight
                }

                Label { width: scrollView.columnWidth; height: parent.rowHeight; verticalAlignment: Qt.AlignVCenter; text: catalog.i18nc("@label", "Cost per Meter") }
                Label
                {
                    width: scrollView.columnWidth
                    text: "~ %1 %2/m".arg(base.costPerMeter.toFixed(2)).arg(base.currency)
                    verticalAlignment: Qt.AlignVCenter
                    height: parent.rowHeight
                }

                Item { width: parent.width; height: UM.Theme.getSize("default_margin").height; visible: unlinkMaterialButton.visible }
                Label
                {
                    width: 2 * scrollView.columnWidth
                    verticalAlignment: Qt.AlignVCenter
                    text: catalog.i18nc("@label", "This material is linked to %1 and shares some of its properties.").arg(base.linkedMaterialNames)
                    wrapMode: Text.WordWrap
                    visible: unlinkMaterialButton.visible
                }
                Button
                {
                    id: unlinkMaterialButton
                    text: catalog.i18nc("@label", "Unlink Material")
                    visible: base.linkedMaterialNames != ""
                    onClicked:
                    {
                        Cura.ContainerManager.unlinkMaterial(base.currentMaterialNode)
                        base.reevaluateLinkedMaterials = true
                    }
                }

                Item { width: parent.width; height: UM.Theme.getSize("default_margin").height }

                Label { width: parent.width; height: parent.rowHeight; verticalAlignment: Qt.AlignVCenter; text: catalog.i18nc("@label", "Description") }

                ReadOnlyTextArea
                {
                    text: properties.description;
                    width: 2 * scrollView.columnWidth
                    wrapMode: Text.WordWrap

                    readOnly: !base.editingEnabled;

                    onEditingFinished: base.setMetaDataEntry("description", properties.description, text)
                }

                Label { width: parent.width; height: parent.rowHeight; verticalAlignment: Qt.AlignVCenter; text: catalog.i18nc("@label", "Adhesion Information") }

                ReadOnlyTextArea
                {
                    text: properties.adhesion_info;
                    width: 2 * scrollView.columnWidth
                    wrapMode: Text.WordWrap

                    readOnly: !base.editingEnabled;

                    onEditingFinished: base.setMetaDataEntry("adhesion_info", properties.adhesion_info, text)
                }

                Item { width: parent.width; height: UM.Theme.getSize("default_margin").height }
            }

            function updateCostPerMeter()
            {
                base.spoolLength = calculateSpoolLength(diameterSpinBox.value, densitySpinBox.value, spoolWeightSpinBox.value);
                base.costPerMeter = calculateCostPerMeter(spoolCostSpinBox.value);
            }
        }
    }

    Tab
    {
        title: catalog.i18nc("@label", "Print settings")
        anchors
        {
            leftMargin: UM.Theme.getSize("default_margin").width
            topMargin: UM.Theme.getSize("default_margin").height
            bottomMargin: UM.Theme.getSize("default_margin").height
            rightMargin: 0
        }

        ScrollView
        {
            anchors.fill: parent;

            ListView
            {
                model: UM.SettingDefinitionsModel
                {
                    containerId: Cura.MachineManager.activeDefinitionId
                    visibilityHandler: Cura.MaterialSettingsVisibilityHandler { }
                    expanded: ["*"]
                }

                delegate: UM.TooltipArea
                {
                    width: childrenRect.width
                    height: childrenRect.height
                    text: model.description
                    Label
                    {
                        id: label
                        width: base.firstColumnWidth;
                        height: spinBox.height + UM.Theme.getSize("default_lining").height
                        text: model.label
                        elide: Text.ElideRight
                        verticalAlignment: Qt.AlignVCenter
                    }
                    ReadOnlySpinBox
                    {
                        id: spinBox
                        anchors.left: label.right
                        value: {
                            // In case the setting is not in the material...
                            if (!isNaN(parseFloat(materialPropertyProvider.properties.value)))
                            {
                                return parseFloat(materialPropertyProvider.properties.value);
                            }
                            // ... we search in the variant, and if it is not there...
                            if (!isNaN(parseFloat(variantPropertyProvider.properties.value)))
                            {
                                return parseFloat(variantPropertyProvider.properties.value);
                            }
                            // ... then look in the definition container.
                            if (!isNaN(parseFloat(machinePropertyProvider.properties.value)))
                            {
                                return parseFloat(machinePropertyProvider.properties.value);
                            }
                            return 0;
                        }
                        width: base.secondColumnWidth
                        readOnly: !base.editingEnabled
                        suffix: " " + model.unit
                        maximumValue: 99999
                        decimals: model.unit == "mm" ? 2 : 0

                        onEditingFinished: materialPropertyProvider.setPropertyValue("value", value)
                    }

                    UM.ContainerPropertyProvider
                    {
                        id: materialPropertyProvider
                        containerId: base.containerId
                        watchedProperties: [ "value" ]
                        key: model.key
                    }
                    UM.ContainerPropertyProvider
                    {
                        id: variantPropertyProvider
                        containerId: Cura.MachineManager.activeVariantId
                        watchedProperties: [ "value" ]
                        key: model.key
                    }
                    UM.ContainerPropertyProvider
                    {
                        id: machinePropertyProvider
                        containerId: Cura.MachineManager.activeDefinitionId
                        watchedProperties: [ "value" ]
                        key: model.key
                    }
                }
            }
        }
    }

    function calculateSpoolLength(diameter, density, spoolWeight)
    {
        if(!diameter)
        {
            diameter = properties.diameter;
        }
        if(!density)
        {
            density = properties.density;
        }
        if(!spoolWeight)
        {
            spoolWeight = base.getMaterialPreferenceValue(properties.guid, "spool_weight");
        }

        if (diameter == 0 || density == 0 || spoolWeight == 0)
        {
            return 0;
        }
        var area = Math.PI * Math.pow(diameter / 2, 2); // in mm2
        var volume = (spoolWeight / density); // in cm3
        return volume / area; // in m
    }

    function calculateCostPerMeter(spoolCost)
    {
        if(!spoolCost)
        {
            spoolCost = base.getMaterialPreferenceValue(properties.guid, "spool_cost");
        }

        if (spoolLength == 0)
        {
            return 0;
        }
        return spoolCost / spoolLength;
    }

    // Tiny convenience function to check if a value really changed before trying to set it.
    function setMetaDataEntry(entry_name, old_value, new_value) {
        if (old_value != new_value) {
            Cura.ContainerManager.setContainerMetaDataEntry(base.currentMaterialNode, entry_name, new_value)
            // make sure the UI properties are updated as well since we don't re-fetch the entire model here
            // When the entry_name is something like properties/diameter, we take the last part of the entry_name
            var list = entry_name.split("/")
            var key = list[list.length - 1]
            properties[key] = new_value
        }
    }

    function setMaterialPreferenceValue(material_guid, entry_name, new_value)
    {
        if(!(material_guid in materialPreferenceValues))
        {
            materialPreferenceValues[material_guid] = {};
        }
        if(entry_name in materialPreferenceValues[material_guid] && materialPreferenceValues[material_guid][entry_name] == new_value)
        {
            // value has not changed
            return
        }
        materialPreferenceValues[material_guid][entry_name] = new_value;

        // store preference
        UM.Preferences.setValue("cura/material_settings", JSON.stringify(materialPreferenceValues));
    }

    function getMaterialPreferenceValue(material_guid, entry_name)
    {
        if(material_guid in materialPreferenceValues && entry_name in materialPreferenceValues[material_guid])
        {
            return materialPreferenceValues[material_guid][entry_name];
        }
        return 0;
    }

    // update the display name of the material
    function updateMaterialDisplayName (old_name, new_name) {
        // don't change when new name is the same
        if (old_name == new_name) {
            return
        }

        // update the values
        base.materialManager.setMaterialName(base.currentMaterialNode, new_name)
        materialProperties.name = new_name
    }

    // update the type of the material
    function updateMaterialType (old_type, new_type) {
        base.setMetaDataEntry("material", old_type, new_type)
        materialProperties.material= new_type
    }

    // update the brand of the material
    function updateMaterialBrand (old_brand, new_brand) {
        base.setMetaDataEntry("brand", old_brand, new_brand)
        materialProperties.brand = new_brand
    }
}