import QtQuick
import QtQuick.Window
import QtQuick.Controls
import QtQuick.Layouts
import PageEnum 1.0
import PageType 1.0
import Qt.labs.platform
import Qt.labs.folderlistmodel
import QtQuick.Dialogs
import QtQuick.Controls.Basic
import "Controls"
import "Pages"
import "Pages/Protocols"
import "Pages/Share"
import "Config"

Window  {
    property var pages: ({})
    property var protocolPages: ({})
    property var sharePages: ({})

    id: root
    visible: true
    width: GC.screenWidth
    height: GC.screenHeight
    minimumWidth: GC.isDesktop() ? 360 : 0
    minimumHeight: GC.isDesktop() ? 640 : 0
    onClosing: function() {
        console.debug("QML onClosing signal")
        UiLogic.onCloseWindow()
    }

    title: "AmneziaVPN"

    function gotoPage(type, page, reset, slide) {

        let p_obj;
        if (type === PageType.Basic) p_obj = pages[page]
        else if (type === PageType.Proto) p_obj = protocolPages[page]
        else if (type === PageType.ShareProto) p_obj = sharePages[page]
        else return

        //console.debug("QML gotoPage " + type + " " + page + " " + p_obj)

        if (pageLoader.depth > 0) {
            pageLoader.currentItem.deactivated()
        }

        if (slide) {
            pageLoader.push(p_obj, {}, StackView.PushTransition)
        } else {
            pageLoader.push(p_obj, {}, StackView.Immediate)
        }

        if (reset) {
            p_obj.logic.onUpdatePage();
        }

        p_obj.activated(reset)
    }

    function close_page() {
        if (pageLoader.depth <= 1) {
            return
        }
        pageLoader.currentItem.deactivated()
        pageLoader.pop()
    }

    function set_start_page(page, slide) {
        if (pageLoader.depth > 0) {
            pageLoader.currentItem.deactivated()
        }

        pageLoader.clear()
        if (slide) {
            pageLoader.push(pages[page], {}, StackView.PushTransition)
        } else {
            pageLoader.push(pages[page], {}, StackView.Immediate)
        }
        if (page === PageEnum.Start) {
            UiLogic.pushButtonBackFromStartVisible = !pageLoader.empty
            UiLogic.onUpdatePage();
        }
    }

    Rectangle {
        y: 0
        anchors.fill: parent
        color: "white"
    }

    StackView {
        id: pageLoader
        y: 0
        anchors.fill: parent
        focus: true

        onCurrentItemChanged: function() {
            UiLogic.currentPageValue = currentItem.page
        }

        onDepthChanged: function() {
            UiLogic.pagesStackDepth = depth
        }

        Keys.onPressed: function(event) {
            UiLogic.keyPressEvent(event.key)
            event.accepted = true
        }
    }

    FolderListModel {
        id: folderModelPages
        folder: "qrc:/ui/qml/Pages/"
        nameFilters: ["*.qml"]
        showDirs: false

        onStatusChanged: if (status == FolderListModel.Ready) {
                             for (var i=0; i<folderModelPages.count; i++) {
                                 createPagesObjects(folderModelPages.get(i, "filePath"), PageType.Basic);
                             }
                             UiLogic.initalizeUiLogic()
                         }
    }

    FolderListModel {
        id: folderModelProtocols
        folder: "qrc:/ui/qml/Pages/Protocols/"
        nameFilters: ["*.qml"]
        showDirs: false

        onStatusChanged: if (status == FolderListModel.Ready) {
                             for (var i=0; i<folderModelProtocols.count; i++) {
                                 createPagesObjects(folderModelProtocols.get(i, "filePath"), PageType.Proto);
                             }
        }
    }

    FolderListModel {
        id: folderModelShareProtocols
        folder: "qrc:/ui/qml/Pages/Share/"
        nameFilters: ["*.qml"]
        showDirs: false

        onStatusChanged: if (status == FolderListModel.Ready) {
                             for (var i=0; i<folderModelShareProtocols.count; i++) {
                                 createPagesObjects(folderModelShareProtocols.get(i, "filePath"), PageType.ShareProto);
                             }
        }
    }

    function createPagesObjects(file, type) {
        if (file.indexOf("Base") !== -1) return; // skip Base Pages
        //console.debug("Creating compenent " + file + " for " + type);

        var c = Qt.createComponent("qrc" + file);

        var finishCreation = function (component){
            if (component.status === Component.Ready) {
                var obj = component.createObject(root);
                if (obj === null) {
                    console.debug("Error creating object " + component.url);
                }
                else {
                    obj.visible = false
                    if (type === PageType.Basic) {
                        pages[obj.page] = obj
                    }
                    else if (type === PageType.Proto) {
                        protocolPages[obj.protocol] = obj
                    }
                    else if (type === PageType.ShareProto) {
                        sharePages[obj.protocol] = obj
                    }

//                    console.debug("Created compenent " + component.url + " for " + type);
                }
            } else if (component.status === Component.Error) {
                console.debug("Error loading component:", component.errorString());
            }
        }

        if (c.status === Component.Ready)
            finishCreation(c);
        else {
            console.debug("Warning: " + file + " page components are not ready " + c.errorString());
        }
    }

    Connections {
        target: UiLogic
        function onGoToPage(page, reset, slide) {
            //console.debug("Qml Connections onGoToPage " + page);
            root.gotoPage(PageType.Basic, page, reset, slide)
        }
        function onGoToProtocolPage(protocol, reset, slide) {
            //console.debug("Qml Connections onGoToProtocolPage " + protocol);
            root.gotoPage(PageType.Proto, protocol, reset, slide)
        }
        function onGoToShareProtocolPage(protocol, reset, slide) {
            //console.debug("Qml Connections onGoToShareProtocolPage " + protocol);
            root.gotoPage(PageType.ShareProto, protocol, reset, slide)
        }


        function onClosePage() {
            root.close_page()
        }
        function onSetStartPage(page, slide) {
            root.set_start_page(page, slide)
        }
        function onShowPublicKeyWarning() {
            publicKeyWarning.visible = true
        }
        function onShowConnectErrorDialog() {
            connectErrorDialog.visible = true
        }
        function onShow() {
            root.show()
        }
        function onHide() {
            root.hide()
        }
        function onRaise() {
            root.show()
            root.raise()
            root.requestActivate()
        }
        function onToggleLogPanel() {
            drawer_log.visible = !drawer_log.visible
        }
        function onShowWarningMessage(message) {
            popupWarning.popupWarningText = message
            popupWarning.open()
        }
    }

    MessageDialog {
        id: publicKeyWarning
        title: "AmneziaVPN"
        text: qsTr("It's public key. Private key required")
        visible: false
    }
    MessageDialog {
        id: connectErrorDialog
        title: "AmneziaVPN"
        text: UiLogic.dialogConnectErrorText
        visible: false
    }

    Drawer {
        id: drawer_log

        y: 0
        x: 0
        edge: Qt.BottomEdge
        width: parent.width
        height: parent.height * 0.85

        modal: true
        //interactive: activeFocus

        onAboutToHide: {
            pageLoader.focus = true
        }
        onAboutToShow: {
            tfSshLog.focus = true
        }

        Item {
            id: itemLog
            anchors.fill: parent

            Keys.onPressed: {
                UiLogic.keyPressEvent(event.key)
                event.accepted = true
            }

            RadioButtonType {
                id: rbSshLog
                focus: false
                anchors.left: parent.left
                anchors.leftMargin: 10
                anchors.bottom: parent.bottom
                anchors.bottomMargin: 2

                height: 25
                text: qsTr("Ssh log")
            }
            RadioButtonType {
                id: rbAllLog
                focus: false
                checked: true
                anchors.left: rbSshLog.right
                anchors.bottom: rbSshLog.bottom
                anchors.top: rbSshLog.top
                height: rbSshLog.height
                text: qsTr("App log")
            }
            CheckBoxType {
                id: cbLogWrap
                text: qsTr("Wrap words")
                checked: true
                anchors.right: parent.right
                anchors.bottom: rbAllLog.bottom
                anchors.top: rbAllLog.top
                height: 15
                imageHeight: 15
                imageWidth: 15

                onCheckedChanged: {
                    tfSshLog
                }
            }

            TextAreaType {
                id: tfSshLog
                anchors.top: parent.top
                anchors.left: parent.left
                anchors.right: parent.right
                anchors.bottom: rbSshLog.top

                flickableDirection: Flickable.AutoFlickIfNeeded

                textArea.readOnly: true
                textArea.selectByMouse: true

                textArea.verticalAlignment: Text.AlignTop
                textArea.text: {
                    if (!drawer_log.visible) return ""
                    else if (rbSshLog.checked ) return Debug.sshLog
                    else return Debug.allLog
                }
                textArea.wrapMode: cbLogWrap.checked ? TextEdit.WordWrap: TextEdit.NoWrap

                Keys.onPressed: {
                    UiLogic.keyPressEvent(event.key)
                    event.accepted = true
                }

                textArea.onTextChanged: {
                    textArea.cursorPosition = textArea.length-1
                }

                MouseArea {
                    anchors.fill: parent
                    enabled: GC.isDesktop()
                    acceptedButtons: Qt.RightButton
                    onClicked: contextMenu.open()
                }

                ContextMenu {
                    id: contextMenu
                    textObj: tfSshLog.textArea
                }
            }
        }
    }

    PopupWarning {
        id: popupWarning
    }
}