/*
 * Copyright (C) 2023, KylinSoft Co., Ltd.
 *
 * This program is free software: you can redistribute it and/or modify
 * it under the terms of the GNU General Public License as published by
 * the Free Software Foundation, either version 3 of the License, or
 * (at your option) any later version.
 *
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License
 * along with this program.  If not, see <https://www.gnu.org/licenses/>.
 *
 */

import QtQuick 2.12
import QtQuick.Layouts 1.12
import QtQuick.Controls 2.12

import AppControls2 1.0 as AppControls2
import org.ukui.menu.core 1.0
import org.ukui.menu.utils 1.0

RowLayout {
    id: pluginSelectMenuRoot
    property var model: appPageHeaderUtils.model(PluginGroup.SortMenuItem)
    spacing: 2
    function resetFocus() {
        if(!mainWindow.isFullScreen) {
            normalUI.focusToFalse();
        }
    }

    AppControls2.RoundButton {
        id: pluginSelectButton
        Layout.fillHeight: true
        Layout.fillWidth: true
        Layout.maximumWidth: height
        activeFocusOnTab: true
        ToolTip.delay: 500
        ToolTip.text: qsTr("Switch Sort Type")
        ToolTip.visible: containsMouse

        highlight: mainWindow.isFullScreen
        autoHighLight: !mainWindow.isFullScreen
        buttonIcon: "image://appicon/ukui-selected"
        onClicked: {
            resetFocus();
            pluginSelectMenuRoot.model.autoSwitchProvider();
        }
        Keys.onPressed: {
            if (event.key === Qt.Key_Enter || event.key === Qt.Key_Return) {
                pluginSelectMenuRoot.model.autoSwitchProvider();
            }
        }
    }

    MouseArea {
        id: sortMenuMouseArea
        Layout.alignment: Qt.AlignVCenter
        Layout.fillWidth: true
        Layout.fillHeight: true
        Layout.maximumWidth: 16
        Layout.maximumHeight: 16
        ToolTip.delay: 500
        ToolTip.text: qsTr("Sort Type Options")
        ToolTip.visible: containsMouse
        hoverEnabled: true

        activeFocusOnTab: true
        Keys.onPressed: {
            if (event.key === Qt.Key_Enter || event.key === Qt.Key_Return) {
                sortMenuClicked();
            }
        }
        onClicked: {
            resetFocus();
            sortMenuClicked();
        }
        function sortMenuClicked() {
            if(sortMenuSelector.state === "sortMenuClose") {
                sortMenuSelector.state = "sortMenuOpen";
            }
            var pressY = sortMenuMouseArea.mapToGlobal(0, 0).y;
            var pressX = sortMenuMouseArea.mapToGlobal(0, 0).x;
            pluginSelectMenuRoot.model.openMenu(pluginSelectButton.height - y - mouseY + 8, pressX, pressY);
        }

        AppControls2.StyleBackground {
            anchors.fill: parent
            useStyleTransparent: false
            paletteRole: Palette.Highlight
            alpha: 0
            borderColor: Palette.Highlight
            border.width: sortMenuMouseArea.activeFocus ? 2 : 0
        }

        ThemeIcon {
            id: sortMenuSelector
            anchors.fill: parent
            source: "image://appicon/ukui-up-symbolic"
            opacity: 0.5
            highLight: mainWindow.isFullScreen
            state: "sortMenuClose"

            states: [
                State {
                    name: "sortMenuOpen"
                    PropertyChanges { target: sortMenuSelector; rotation: 0 }
                },
                State {
                    name: "sortMenuClose"
                    PropertyChanges { target: sortMenuSelector; rotation: 180 }
                }
            ]
            transitions: [
                Transition {
                    to: "sortMenuOpen"
                    RotationAnimation { duration: 100; direction: RotationAnimation.Counterclockwise}
                },
                Transition {
                    to: "sortMenuClose"
                    RotationAnimation { duration: 100; direction: RotationAnimation.Clockwise }
                }
            ]

            Component.onCompleted: {
                updateProviderIcon();
                pluginSelectMenuRoot.model.currentIndexChanged.connect(updateProviderIcon);
                pluginSelectMenuRoot.model.menuClosed.connect(changeMenuStatus);
            }

            Component.onDestruction: {
                pluginSelectMenuRoot.model.currentIndexChanged.disconnect(updateProviderIcon);
                pluginSelectMenuRoot.model.menuClosed.disconnect(changeMenuStatus);
            }

            function updateProviderIcon() {
                pluginSelectButton.buttonIcon = pluginSelectMenuRoot.model.currentProviderIcon();
            }

            function changeMenuStatus() {
                sortMenuSelector.state = "sortMenuClose";
            }
        }
    }
}