import UM 1.2 as UM
import Cura 1.0 as Cura

import QtQuick 2.2
import QtQuick.Controls 1.1
import QtQuick.Layouts 1.1
import QtQuick.Window 2.1
import QtQuick.Dialogs 1.2

Cura.MachineAction
{
    id: base
    anchors.fill: parent;
    property var selectedDevice: null
    property bool completeProperties: true

    function connectToPrinter()
    {
        if(base.selectedDevice && base.completeProperties)
        {
            var printerKey = base.selectedDevice.key
            var printerName = base.selectedDevice.name  // TODO To change when the groups have a name
            if (manager.getStoredKey() != printerKey)
            {
                // Check if there is another instance with the same key
                if (!manager.existsKey(printerKey))
                {
                    manager.setKey(printerKey)
                    manager.setGroupName(printerName)   // TODO To change when the groups have a name
                    completed()
                }
                else
                {
                    existingConnectionDialog.open()
                }
            }
        }
    }

    MessageDialog
    {
        id: existingConnectionDialog
        title: catalog.i18nc("@window:title", "Existing Connection")
        icon: StandardIcon.Information
        text: catalog.i18nc("@message:text", "This printer/group is already added to Cura. Please select another printer/group.")
        standardButtons: StandardButton.Ok
        modality: Qt.ApplicationModal
    }

    Column
    {
        anchors.fill: parent;
        id: discoverUM3Action
        spacing: UM.Theme.getSize("default_margin").height

        SystemPalette { id: palette }
        UM.I18nCatalog { id: catalog; name:"cura" }
        Label
        {
            id: pageTitle
            width: parent.width
            text: catalog.i18nc("@title:window", "Connect to Networked Printer")
            wrapMode: Text.WordWrap
            font.pointSize: 18
        }

        Label
        {
            id: pageDescription
            width: parent.width
            wrapMode: Text.WordWrap
            text: catalog.i18nc("@label", "To print directly to your printer over the network, please make sure your printer is connected to the network using a network cable or by connecting your printer to your WIFI network. If you don't connect Cura with your printer, you can still use a USB drive to transfer g-code files to your printer.\n\nSelect your printer from the list below:")
        }

        Row
        {
            spacing: UM.Theme.getSize("default_lining").width

            Button
            {
                id: addButton
                text: catalog.i18nc("@action:button", "Add");
                onClicked:
                {
                    manualPrinterDialog.showDialog("", "");
                }
            }

            Button
            {
                id: editButton
                text: catalog.i18nc("@action:button", "Edit")
                enabled: base.selectedDevice != null && base.selectedDevice.getProperty("manual") == "true"
                onClicked:
                {
                    manualPrinterDialog.showDialog(base.selectedDevice.key, base.selectedDevice.ipAddress);
                }
            }

            Button
            {
                id: removeButton
                text: catalog.i18nc("@action:button", "Remove")
                enabled: base.selectedDevice != null && base.selectedDevice.getProperty("manual") == "true"
                onClicked: manager.removeManualDevice(base.selectedDevice.key, base.selectedDevice.ipAddress)
            }

            Button
            {
                id: rediscoverButton
                text: catalog.i18nc("@action:button", "Refresh")
                onClicked: manager.restartDiscovery()
            }
        }

        Row
        {
            id: contentRow
            width: parent.width
            spacing: UM.Theme.getSize("default_margin").width

            Column
            {
                width: Math.round(parent.width * 0.5)
                spacing: UM.Theme.getSize("default_margin").height

                ScrollView
                {
                    id: objectListContainer
                    frameVisible: true
                    width: parent.width
                    height: base.height - contentRow.y - discoveryTip.height

                    Rectangle
                    {
                        parent: viewport
                        anchors.fill: parent
                        color: palette.light
                    }

                    ListView
                    {
                        id: listview
                        model: manager.foundDevices
                        onModelChanged:
                        {
                            var selectedKey = manager.getLastManualEntryKey()
                            // If there is no last manual entry key, then we select the stored key (if any)
                            if (selectedKey == "")
                                selectedKey = manager.getStoredKey()
                            for(var i = 0; i < model.length; i++) {
                                if(model[i].key == selectedKey)
                                {
                                    currentIndex = i;
                                    return
                                }
                            }
                            currentIndex = -1;
                        }
                        width: parent.width
                        currentIndex: -1
                        onCurrentIndexChanged:
                        {
                            base.selectedDevice = listview.model[currentIndex];
                            // Only allow connecting if the printer has responded to API query since the last refresh
                            base.completeProperties = base.selectedDevice != null && base.selectedDevice.getProperty("incomplete") != "true";
                        }
                        Component.onCompleted: manager.startDiscovery()
                        delegate: Rectangle
                        {
                            height: childrenRect.height
                            color: ListView.isCurrentItem ? palette.highlight : index % 2 ? palette.base : palette.alternateBase
                            width: parent.width
                            Label
                            {
                                anchors.left: parent.left
                                anchors.leftMargin: UM.Theme.getSize("default_margin").width
                                anchors.right: parent.right
                                text: listview.model[index].name
                                color: parent.ListView.isCurrentItem ? palette.highlightedText : palette.text
                                elide: Text.ElideRight
                            }

                            MouseArea
                            {
                                anchors.fill: parent;
                                onClicked:
                                {
                                    if(!parent.ListView.isCurrentItem)
                                    {
                                        parent.ListView.view.currentIndex = index;
                                    }
                                }
                            }
                        }
                    }
                }
                Label
                {
                    id: discoveryTip
                    anchors.left: parent.left
                    anchors.right: parent.right
                    wrapMode: Text.WordWrap
                    text: catalog.i18nc("@label", "If your printer is not listed, read the <a href='%1'>network printing troubleshooting guide</a>").arg("https://ultimaker.com/en/troubleshooting");
                    onLinkActivated: Qt.openUrlExternally(link)
                }

            }
            Column
            {
                width: Math.round(parent.width * 0.5)
                visible: base.selectedDevice ? true : false
                spacing: UM.Theme.getSize("default_margin").height
                Label
                {
                    width: parent.width
                    wrapMode: Text.WordWrap
                    text: base.selectedDevice ? base.selectedDevice.name : ""
                    font: UM.Theme.getFont("large")
                    elide: Text.ElideRight
                }
                Grid
                {
                    visible: base.completeProperties
                    width: parent.width
                    columns: 2
                    Label
                    {
                        width: Math.round(parent.width * 0.5)
                        wrapMode: Text.WordWrap
                        text: catalog.i18nc("@label", "Type")
                    }
                    Label
                    {
                        width: Math.round(parent.width * 0.5)
                        wrapMode: Text.WordWrap
                        text:
                        {
                            if(base.selectedDevice)
                            {
                                if (base.selectedDevice.printerType == "ultimaker3")
                                {
                                    return "Ultimaker 3";
                                }
                                else if (base.selectedDevice.printerType == "ultimaker3_extended")
                                {
                                    return "Ultimaker 3 Extended";
                                }
                                else if (base.selectedDevice.printerType == "ultimaker_s5")
                                {
                                    return "Ultimaker S5";
                                }
                                else
                                {
                                    return catalog.i18nc("@label", "Unknown") // We have no idea what type it is. Should not happen 'in the field'
                                }
                            }
                            else
                            {
                                return ""
                            }
                        }
                    }
                    Label
                    {
                        width: Math.round(parent.width * 0.5)
                        wrapMode: Text.WordWrap
                        text: catalog.i18nc("@label", "Firmware version")
                    }
                    Label
                    {
                        width: Math.round(parent.width * 0.5)
                        wrapMode: Text.WordWrap
                        text: base.selectedDevice ? base.selectedDevice.firmwareVersion : ""
                    }
                    Label
                    {
                        width: Math.round(parent.width * 0.5)
                        wrapMode: Text.WordWrap
                        text: catalog.i18nc("@label", "Address")
                    }
                    Label
                    {
                        width: Math.round(parent.width * 0.5)
                        wrapMode: Text.WordWrap
                        text: base.selectedDevice ? base.selectedDevice.ipAddress : ""
                    }
                }

                Label
                {
                    width: parent.width
                    wrapMode: Text.WordWrap
                    text:{
                        // The property cluster size does not exist for older UM3 devices.
                        if(!base.selectedDevice || base.selectedDevice.clusterSize == null || base.selectedDevice.clusterSize == 1)
                        {
                            return "";
                        }
                        else if (base.selectedDevice.clusterSize === 0)
                        {
                            return catalog.i18nc("@label", "This printer is not set up to host a group of Ultimaker 3 printers.");
                        }
                        else
                        {
                            return catalog.i18nc("@label", "This printer is the host for a group of %1 Ultimaker 3 printers.".arg(base.selectedDevice.clusterSize));
                        }
                    }

                }
                Label
                {
                    width: parent.width
                    wrapMode: Text.WordWrap
                    visible: base.selectedDevice != null && !base.completeProperties
                    text: catalog.i18nc("@label", "The printer at this address has not yet responded." )
                }

                Button
                {
                    text: catalog.i18nc("@action:button", "Connect")
                    enabled: (base.selectedDevice && base.completeProperties && base.selectedDevice.clusterSize > 0) ? true : false
                    onClicked: connectToPrinter()
                }
            }
        }
    }

    UM.Dialog
    {
        id: manualPrinterDialog
        property string printerKey
        property alias addressText: addressField.text

        title: catalog.i18nc("@title:window", "Printer Address")

        minimumWidth: 400 * screenScaleFactor
        minimumHeight: 130 * screenScaleFactor
        width: minimumWidth
        height: minimumHeight

        signal showDialog(string key, string address)
        onShowDialog:
        {
            printerKey = key;
            addressText = address;
            manualPrinterDialog.show();
            addressField.selectAll();
            addressField.focus = true;
        }

        onAccepted:
        {
            manager.setManualDevice(printerKey, addressText)
        }

        Column {
            anchors.fill: parent
            spacing: UM.Theme.getSize("default_margin").height

            Label
            {
                text: catalog.i18nc("@alabel","Enter the IP address or hostname of your printer on the network.")
                width: parent.width
                wrapMode: Text.WordWrap
            }

            TextField
            {
                id: addressField
                width: parent.width
                maximumLength: 40
                validator: RegExpValidator
                {
                    regExp: /[a-zA-Z0-9\.\-\_]*/
                }

                onAccepted: btnOk.clicked()
            }
        }

        rightButtons: [
            Button {
                text: catalog.i18nc("@action:button","Cancel")
                onClicked:
                {
                    manualPrinterDialog.reject()
                    manualPrinterDialog.hide()
                }
            },
            Button {
                id: btnOk
                text: catalog.i18nc("@action:button", "OK")
                onClicked:
                {
                    manualPrinterDialog.accept()
                    manualPrinterDialog.hide()
                }
                enabled: manualPrinterDialog.addressText.trim() != ""
                isDefault: true
            }
        ]
    }
}