/*
    SPDX-FileCopyrightText: 2013-2017 Jan Grulich <jgrulich@redhat.com>

    SPDX-License-Identifier: LGPL-2.1-only OR LGPL-3.0-only OR LicenseRef-KDE-Accepted-LGPL
*/

import QtQuick 2.15
import QtQuick.Controls 2.15 as QQC2
import QtQuick.Layouts 1.2
import org.kde.kirigami 2.20 as Kirigami
import org.kde.plasma.components 3.0 as PlasmaComponents3
import org.kde.plasma.extras 2.0 as PlasmaExtras
import org.kde.plasma.networkmanagement as PlasmaNM
import org.kde.plasma.plasmoid 2.0

PlasmaExtras.Representation {
    id: full

    required property PlasmaNM.Handler nmHandler
    required property PlasmaNM.NetworkStatus nmStatus
    property alias appletProxyModel: appletProxyModel

    collapseMarginsHint: true

    Component {
        id: networkModelComponent
        PlasmaNM.NetworkModel {}
    }

    property var connectionModel: mainWindow.connectionModel

    PlasmaNM.AppletProxyModel {
        id: appletProxyModel

        sourceModel: full.connectionModel
    }

    header: PlasmaExtras.PlasmoidHeading {
        focus: true
        contentItem: RowLayout {
            Layout.fillWidth: true

            Toolbar {
                id: toolbar
                Layout.fillWidth: true
                hasConnections: connectionListPage.count > 0
                visible: stack.depth === 1
            }

            Loader {
                sourceComponent: stack.currentItem?.headerItems
                visible: !!item
            }
        }
    }

    Connections {
        target: full.nmHandler
        function onWifiCodeReceived(data, ssid) {
            if (data.length === 0) {
                console.error("Cannot create QR code component: Unsupported connection");
                return;
            }

            const showQRComponent = Qt.createComponent("ShareNetworkQrCodePage.qml");
            if (showQRComponent.status === Component.Error) {
                console.warn("Cannot create QR code component:", showQRComponent.errorString());
                return;
            }

            mainWindow.expanded = true; // just in case.
            stack.push(showQRComponent, {
                content: data,
                ssid
            });
        }
    }

    Keys.forwardTo: [stack.currentItem]
    Keys.onPressed: event => {
        if (event.modifiers & Qt.ControlModifier && event.key == Qt.Key_F) {
            toolbar.searchTextField.forceActiveFocus();
            toolbar.searchTextField.selectAll();
            event.accepted = true;
        } else if (event.key === Qt.Key_Back || (event.modifiers & Qt.AltModifier && event.key == Qt.Key_Left)) {
            if (stack.depth > 1) {
                stack.pop();
                event.accepted = true;
            }
        } else {
            event.accepted = false;
        }
    }

    contentItem: Item {

    QQC2.StackView {
        id: stack
        anchors.top: parent.top
        anchors.left: parent.left
        anchors.right: parent.right
        anchors.bottom: backButton.visible ? backButton.top : parent.bottom
        anchors.leftMargin: -Kirigami.Units.largeSpacing
        anchors.bottomMargin: -Kirigami.Units.largeSpacing
        //anchors.bottomMargin: Kirigami.Units.smallSpacing
        initialItem: ConnectionListPage {
            id: connectionListPage
            model: appletProxyModel
            nmStatus: full.nmStatus
        }

        popEnter: Transition {}
        popExit: Transition {}
        pushEnter: Transition {}
        pushExit: Transition {}
        replaceEnter: Transition {}
        replaceExit: Transition {}
    }

    QQC2.Button {
        id: backButton
        //anchors.top: stack.bottom

        anchors.left: parent.left
        anchors.bottom: parent.bottom
        anchors.bottomMargin: Kirigami.Units.largeSpacing
        //Layout.alignment: Qt.AlignRight | Qt.AlignBottom
        text: "Back"
        visible: stack.depth > 1
        onClicked: {
            stack.pop()
        }
    }
    }

    Connections {
        target: mainWindow
        function onExpandedChanged(expanded) {
            if (expanded) {
                handler.requestScan();
                if (!full.connectionModel) {
                    full.connectionModel = networkModelComponent.createObject(full);
                }
            } else {
                /*if (full.connectionModel) {
                    full.connectionModel.destroy();
                    full.connectionModel = null;
                }*/
            }
        }
    }
}