import QtQuick
import QtQuick.Controls
import QtQuick.Layouts

import SortFilterProxyModel 0.2

import PageEnum 1.0
import Style 1.0

import "./"
import "../Controls2"
import "../Controls2/TextTypes"
import "../Config"
import "../Components"

PageType {
    id: root

    BackButtonType {
        id: backButton

        anchors.top: parent.top
        anchors.left: parent.left
        anchors.right: parent.right
        anchors.topMargin: 20 + SettingsController.safeAreaTopMargin

        onFocusChanged: {
            if (this.activeFocus) {
                listView.positionViewAtBeginning()
            }
        }
    }

    ListViewType {
        id: listView

        anchors.top: backButton.bottom
        anchors.bottom: parent.bottom
        anchors.right: parent.right
        anchors.left: parent.left

        enabled: ServersModel.isProcessedServerHasWriteAccess()

        model: WireGuardConfigModel

        delegate: ColumnLayout {
            width: listView.width

            property bool isEnabled: ServersModel.isProcessedServerHasWriteAccess()

            spacing: 0

            BaseHeaderType {
                Layout.fillWidth: true
                Layout.leftMargin: 16
                Layout.rightMargin: 16

                headerText: qsTr("WG settings")
            }

            TextFieldWithHeaderType {
                id: vpnAddressSubnetTextField

                Layout.fillWidth: true
                Layout.topMargin: 40
                Layout.leftMargin: 16
                Layout.rightMargin: 16

                headerText: qsTr("VPN address subnet")
                textField.text: subnetAddress

                textField.onEditingFinished: {
                    if (textField.text !== subnetAddress) {
                        subnetAddress = textField.text
                    }
                }

                checkEmptyText: true
            }

            TextFieldWithHeaderType {
                id: portTextField
                Layout.fillWidth: true
                Layout.topMargin: 16
                Layout.leftMargin: 16
                Layout.rightMargin: 16

                headerText: qsTr("Port")
                textField.text: port
                textField.maximumLength: 5
                textField.validator: IntValidator { bottom: 1; top: 65535 }

                textField.onEditingFinished: {
                    if (textField.text !== port) {
                        port = textField.text
                    }
                }

                checkEmptyText: true
            }

            BasicButtonType {
                id: saveButton
                
                Layout.fillWidth: true
                Layout.topMargin: 24
                Layout.bottomMargin: 24
                Layout.leftMargin: 16
                Layout.rightMargin: 16

                enabled: portTextField.errorText === "" &&
                         vpnAddressSubnetTextField.errorText === ""

                text: qsTr("Save")

                onClicked: function() {
                    forceActiveFocus()

                    var headerText = qsTr("Save settings?")
                    var descriptionText = qsTr("All users with whom you shared a connection with will no longer be able to connect to it.")
                    var yesButtonText = qsTr("Continue")
                    var noButtonText = qsTr("Cancel")

                    var yesButtonFunction = function() {
                        if (ConnectionController.isConnected && ServersModel.getDefaultServerData("defaultContainer") === ContainersModel.getProcessedContainerIndex()) {
                            PageController.showNotificationMessage(qsTr("Unable change settings while there is an active connection"))
                            return
                        }

                        PageController.goToPage(PageEnum.PageSetupWizardInstalling);
                        InstallController.updateContainer(WireGuardConfigModel.getConfig())
                    }
                    var noButtonFunction = function() {
                        if (!GC.isMobile()) {
                            saveButton.forceActiveFocus()
                        }
                    }
                    showQuestionDrawer(headerText, descriptionText, yesButtonText, noButtonText, yesButtonFunction, noButtonFunction)
                }

                Keys.onEnterPressed: saveButton.clicked()
                Keys.onReturnPressed: saveButton.clicked()
            }
        }
    }
}
