/****************************************************************************
**
** Copyright (C) 2016 The Qt Company Ltd.
** Contact: https://www.qt.io/licensing/
**
** This file is part of the Device Utilities module of the Qt Toolkit.
**
** $QT_BEGIN_LICENSE:GPL$
** Commercial License Usage
** Licensees holding valid commercial Qt licenses may use this file in
** accordance with the commercial license agreement provided with the
** Software or, alternatively, in accordance with the terms contained in
** a written agreement between you and The Qt Company. For licensing terms
** and conditions see https://www.qt.io/terms-conditions. For further
** information use the contact form at https://www.qt.io/contact-us.
**
** GNU General Public License Usage
** Alternatively, this file may be used under the terms of the GNU
** General Public License version 3 or (at your option) any later version
** approved by the KDE Free Qt Foundation. The licenses are as published by
** the Free Software Foundation and appearing in the file LICENSE.GPL3
** included in the packaging of this file. Please review the following
** information to ensure the GNU General Public License requirements will
** be met: https://www.gnu.org/licenses/gpl-3.0.html.
**
** $QT_END_LICENSE$
**
****************************************************************************/
import QtQuick 2.6
import QtQuick.Layouts 1.3
import QtQuick.Controls 2.0
import QtDeviceUtilities.NetworkSettings 1.0

Item {
    id: root
    anchors.fill: parent
    Component.onCompleted: NetworkSettingsManager.services.type = NetworkSettingsType.Wifi;
    property bool connecting: false

    GroupBox {
        id: content
        title: qsTr("Wireless Settings")
        anchors.fill: parent

        ColumnLayout {
            spacing: 20
            width: parent.width

            RowLayout {
                spacing: 10
                id: enableSwitch
                width: parent.width

                Label {
                    Layout.preferredWidth: root.width * 0.382
                    Layout.alignment: Qt.AlignVCenter
                    horizontalAlignment: Text.AlignRight
                    text: selectedInterface.powered ? qsTr("Wi-Fi ON") : qsTr("Wi-Fi OFF")
                }
                Switch {
                    checked: selectedInterface.powered
                    onCheckedChanged: {
                        selectedInterface.powered = checked
                        root.connecting = false
                        connectView.visible = false
                    }
                }
            }
            RowLayout {
                spacing: 10
                width: parent.width

                visible: selectedInterface.powered && networkSelection.count > 0
                Label {
                    Layout.preferredWidth: root.width * 0.382
                    text: qsTr("Current network")
                    horizontalAlignment: Text.AlignRight
                    Layout.alignment: Qt.AlignVCenter

                }
                ComboBoxEntry {
                    id: networkSelection
                    model: NetworkSettingsManager.services

                    textRole: "name"
                    Layout.fillWidth: true
                    onCurrentIndexChanged: {
                        if (currentIndex >= 0) {
                            connectView.visible = false

                            var service = model.itemFromRow(currentIndex)
                            if (service) {
                                root.connecting = true
                                service.connectService();
                            }
                        }
                    }

                    onCountChanged: {
                        if (count === 0) {
                            root.connecting = false
                            connectView.visible = false
                        }
                    }

                    delegate: WifiSelectorDelegate {
                        width: networkSelection.width
                        onConnectChanged: if (connect) networkSelection.currentIndex = index
                    }
                }
            }

            Row {
                id: infoRow
                spacing: 10
                width: parent.width
                visible: selectedInterface.powered && selectedInterface.state !== NetworkSettingsState.Online && (networkSelection.count == 0 || root.connecting)
                Label {
                    id: scanningText
                    text: root.connecting ? qsTr("Connecting to the network...") : qsTr("Searching for Wi-Fi networks...")
                    horizontalAlignment: Text.AlignLeft
                }
                WifiSignalMonitor {
                    id: scanningIcon
                    scanning: true
                    height: scanningText.height
                    width: height
                }
            }

            GroupBox {
                id: connectView
                title: qsTr("Enter a password")
                visible: false
                Layout.fillWidth: true
                ColumnLayout {
                    width: parent.width

                    RowLayout {
                        id: errorView
                        visible: text.text !== ""
                        spacing: 10
                        property alias text: text.text

                        Image {
                            source: "../icons/Alert_yellow_1x.png"
                            Layout.alignment: Qt.AlignVCenter
                        }
                        Text {
                            id: text
                            color: "#face20"
                            text: ""
                            Layout.alignment: Qt.AlignVCenter
                        }
                    }
                    RowLayout {
                        spacing: 10
                        visible: false
                        width: parent.width

                        Label {
                            text: qsTr("User name:")
                            horizontalAlignment: Text.AlignRight
                            Layout.preferredWidth: root.width * 0.382
                            Layout.alignment: Qt.AlignVCenter
                        }
                        TextField {
                            text: ""
                            inputMethodHints: Qt.ImhNoPredictiveText
                            Layout.alignment: Qt.AlignVCenter
                            Layout.fillWidth: true
                        }
                    }
                    RowLayout {
                        spacing: 10
                        width: parent.width

                        Label {
                            text: qsTr("Password:")
                            horizontalAlignment: Text.AlignRight
                            Layout.preferredWidth: root.width * 0.382
                            Layout.alignment: Qt.AlignVCenter
                        }
                        TextField {
                            id: password
                            text: ""
                            echoMode: TextInput.Password
                            inputMethodHints: Qt.ImhNoPredictiveText | Qt.ImhNoAutoUppercase | Qt.ImhPreferLowercase | Qt.ImhSensitiveData
                            Layout.alignment: Qt.AlignVCenter
                            Layout.fillWidth: true
                        }
                    }
                    RowLayout {
                        spacing: 10

                        Button {
                            text: qsTr("Connect")
                            onClicked: {
                                connectView.visible = false
                                NetworkSettingsManager.userAgent.setUserCredentials("", password.text)
                            }
                        }
                        Button {
                            text: qsTr("Cancel")
                            onClicked: {
                                networkSelection.currentIndex = -1
                                connectView.visible = false
                            }
                        }
                    }
                }
            }
            Button {
                id: disconnect
                text: qsTr("Disconnect")
                visible: selectedInterface.state === NetworkSettingsState.Online ||
                         selectedInterface.state === NetworkSettingsState.Ready
                onClicked: {
                    console.log("disconnect");
                    NetworkSettingsManager.services.itemFromRow(networkSelection.selectedIndex).disconnectService();
                    networkSelection.selectedIndex = -1;
                }
            }
        }
        Connections {
            target: NetworkSettingsManager.userAgent
            onShowUserCredentialsInput : {
                connectView.visible = true
                root.connecting = false
            }
            onError: {
                errorView.visible = true
                connectView.visible = true
                root.connecting = false
            }
        }
    }
}