// Copyright (c) 2022 Ultimaker B.V.
// Cura is released under the terms of the LGPLv3 or higher.

import QtQuick 2.10
import QtQuick.Controls 2.3

import UM 1.5 as UM
import Cura 1.0 as Cura


//
//  Enable support
//
Item
{
    id: enableSupportRow
    height: childrenRect.height

    property real labelColumnWidth: Math.round(width / 3)

    Cura.IconWithText
    {
        id: enableSupportRowTitle
        anchors.top: parent.top
        anchors.left: parent.left
        visible: enableSupportCheckBox.visible
        source: UM.Theme.getIcon("Support")
        text: catalog.i18nc("@label", "Support")
        font: UM.Theme.getFont("medium")
        width: labelColumnWidth
        iconSize: UM.Theme.getSize("medium_button_icon").width
    }

    Item
    {
        id: enableSupportContainer
        height: enableSupportCheckBox.height

        anchors
        {
            left: enableSupportRowTitle.right
            right: parent.right
            verticalCenter: enableSupportRowTitle.verticalCenter
        }

        UM.CheckBox
        {
            id: enableSupportCheckBox
            anchors.verticalCenter: parent.verticalCenter

            property alias _hovered: enableSupportMouseArea.containsMouse

            enabled: recommendedPrintSetup.settingsEnabled

            visible: supportEnabled.properties.enabled == "True"
            checked: supportEnabled.properties.value == "True"

            MouseArea
            {
                id: enableSupportMouseArea
                anchors.fill: parent
                hoverEnabled: true

                onClicked: supportEnabled.setPropertyValue("value", supportEnabled.properties.value != "True")

                onEntered:
                {
                    base.showTooltip(enableSupportCheckBox, Qt.point(-enableSupportContainer.x - UM.Theme.getSize("thick_margin").width, 0),
                        catalog.i18nc("@label", "Generate structures to support parts of the model which have overhangs. Without these structures, such parts would collapse during printing."))
                }
                onExited: base.hideTooltip()
            }
        }

        ComboBox
        {
            id: supportExtruderCombobox

            height: UM.Theme.getSize("print_setup_big_item").height
            anchors
            {
                left: enableSupportCheckBox.right
                right: parent.right
                leftMargin: UM.Theme.getSize("thick_margin").width
                rightMargin: UM.Theme.getSize("thick_margin").width
                verticalCenter: parent.verticalCenter
            }

            enabled: recommendedPrintSetup.settingsEnabled
            visible: enableSupportCheckBox.visible && (supportEnabled.properties.value == "True") && (extrudersEnabledCount.properties.value > 1)
            textRole: "name"  // this solves that the combobox isn't populated in the first time Cura is started

            model: extruderModel

            // knowing the extruder position, try to find the item index in the model
            function getIndexByPosition(position)
            {
                var itemIndex = -1  // if position is not found, return -1
                for (var item_index in model.items)
                {
                    var item = model.getItem(item_index)
                    if (item.index == position)
                    {
                        itemIndex = item_index
                        break
                    }
                }
                return itemIndex
            }

            onActivated:
            {
                if (model.getItem(index).enabled)
                {
                    forceActiveFocus();
                    supportExtruderNr.setPropertyValue("value", model.getItem(index).index);
                } else
                {
                    currentIndex = supportExtruderNr.properties.value;  // keep the old value
                }
            }

            currentIndex: (supportExtruderNr.properties.value !== undefined) ? supportExtruderNr.properties.value : 0

            property string color: "#fff"
            Connections
            {
                target: extruderModel
                function onModelChanged()
                {
                    var maybeColor = supportExtruderCombobox.model.getItem(supportExtruderCombobox.currentIndex).color
                    if (maybeColor)
                    {
                        supportExtruderCombobox.color = maybeColor
                    }
                }
            }
            onCurrentIndexChanged:
            {
                var maybeColor = supportExtruderCombobox.model.getItem(supportExtruderCombobox.currentIndex).color
                if(maybeColor)
                {
                    supportExtruderCombobox.color = maybeColor
                }
            }

            Binding
            {
                target: supportExtruderCombobox
                property: "currentIndex"
                value: supportExtruderCombobox.getIndexByPosition(supportExtruderNr.properties.value)
                // Sometimes when the value is already changed, the model is still being built.
                // The when clause ensures that the current index is not updated when this happens.
                when: supportExtruderCombobox.model.count > 0
            }

            indicator: UM.ColorImage
            {
                id: downArrow
                x: supportExtruderCombobox.width - width - supportExtruderCombobox.rightPadding
                y: supportExtruderCombobox.topPadding + Math.round((supportExtruderCombobox.availableHeight - height) / 2)

                source: UM.Theme.getIcon("ChevronSingleDown")
                width: UM.Theme.getSize("standard_arrow").width
                height: UM.Theme.getSize("standard_arrow").height

                color: UM.Theme.getColor("setting_control_button")
            }

            background: Rectangle
            {
                color:
                {
                    if (!enabled)
                    {
                        return UM.Theme.getColor("setting_control_disabled")
                    }
                    if (supportExtruderCombobox.hovered || base.activeFocus)
                    {
                        return UM.Theme.getColor("setting_control_highlight")
                    }
                    return UM.Theme.getColor("setting_control")
                }
                radius: UM.Theme.getSize("setting_control_radius").width
                border.width: UM.Theme.getSize("default_lining").width
                border.color:
                {
                    if (!enabled)
                    {
                        return UM.Theme.getColor("setting_control_disabled_border")
                    }
                    if (supportExtruderCombobox.hovered || supportExtruderCombobox.activeFocus)
                    {
                        return UM.Theme.getColor("setting_control_border_highlight")
                    }
                    return UM.Theme.getColor("setting_control_border")
                }
            }

            contentItem: UM.Label
            {
                anchors.verticalCenter: parent.verticalCenter
                anchors.left: parent.left
                anchors.leftMargin: UM.Theme.getSize("setting_unit_margin").width
                anchors.right: downArrow.left
                rightPadding: swatch.width + UM.Theme.getSize("setting_unit_margin").width

                text: supportExtruderCombobox.currentText
                textFormat: Text.PlainText
                color: enabled ? UM.Theme.getColor("setting_control_text") : UM.Theme.getColor("setting_control_disabled_text")

                elide: Text.ElideLeft


                background: Rectangle
                {
                    id: swatch
                    height: Math.round(parent.height / 2)
                    width: height
                    radius: Math.round(width / 2)
                    anchors.right: parent.right
                    anchors.verticalCenter: parent.verticalCenter
                    anchors.rightMargin: UM.Theme.getSize("thin_margin").width

                    color: supportExtruderCombobox.color
                }
            }

            popup: Popup
            {
                y: supportExtruderCombobox.height - UM.Theme.getSize("default_lining").height
                width: supportExtruderCombobox.width
                implicitHeight: contentItem.implicitHeight + 2 * UM.Theme.getSize("default_lining").width
                padding: UM.Theme.getSize("default_lining").width

                contentItem: ListView
                {
                    implicitHeight: contentHeight

                    ScrollBar.vertical: UM.ScrollBar {}
                    clip: true
                    model: supportExtruderCombobox.popup.visible ? supportExtruderCombobox.delegateModel : null
                    currentIndex: supportExtruderCombobox.highlightedIndex
                }

                background: Rectangle
                {
                    color: UM.Theme.getColor("setting_control")
                    border.color: UM.Theme.getColor("setting_control_border")
                }
            }

            delegate: ItemDelegate
            {
                width: supportExtruderCombobox.width - 2 * UM.Theme.getSize("default_lining").width
                height: supportExtruderCombobox.height
                highlighted: supportExtruderCombobox.highlightedIndex == index

                contentItem: UM.Label
                {
                    anchors.fill: parent
                    anchors.leftMargin: UM.Theme.getSize("setting_unit_margin").width
                    anchors.rightMargin: UM.Theme.getSize("setting_unit_margin").width

                    text: model.name
                    color: model.enabled ? UM.Theme.getColor("setting_control_text"): UM.Theme.getColor("action_button_disabled_text")

                    elide: Text.ElideRight
                    rightPadding: swatch.width + UM.Theme.getSize("setting_unit_margin").width

                    background: Rectangle
                    {
                        id: swatch
                        height: Math.round(parent.height / 2)
                        width: height
                        radius: Math.round(width / 2)
                        anchors.right: parent.right
                        anchors.verticalCenter: parent.verticalCenter
                        anchors.rightMargin: UM.Theme.getSize("thin_margin").width

                        color: supportExtruderCombobox.model.getItem(index).color
                    }
                }

                background: Rectangle
                {
                    color: parent.highlighted ? UM.Theme.getColor("setting_control_highlight") : "transparent"
                    border.color: parent.highlighted ? UM.Theme.getColor("setting_control_border_highlight") : "transparent"
                }
            }
        }
    }

    property var extruderModel: CuraApplication.getExtrudersModel()


    UM.SettingPropertyProvider
    {
        id: supportEnabled
        containerStack: Cura.MachineManager.activeMachine
        key: "support_enable"
        watchedProperties: [ "value", "enabled", "description" ]
        storeIndex: 0
    }

    UM.SettingPropertyProvider
    {
        id: supportExtruderNr
        containerStack: Cura.MachineManager.activeMachine
        key: "support_extruder_nr"
        watchedProperties: [ "value" ]
        storeIndex: 0
    }

    UM.SettingPropertyProvider
    {
        id: machineExtruderCount
        containerStack: Cura.MachineManager.activeMachine
        key: "machine_extruder_count"
        watchedProperties: ["value"]
        storeIndex: 0
    }
}