/*
    SPDX-FileCopyrightText: 2014-2015 Eike Hein <hein@kde.org>

    SPDX-License-Identifier: GPL-2.0-or-later
*/

import QtQuick
import QtQuick.Layouts

import org.kde.kirigami as Kirigami
import org.kde.ksvg as KSvg
import org.kde.plasma.components as PlasmaComponents3
import org.kde.plasma.core as PlasmaCore
import org.kde.plasma.plasmoid
import org.kde.plasma.private.kicker as Kicker

PlasmoidItem {
    id: kicker

    anchors.fill: parent

    signal reset

    property bool isDash: Plasmoid.pluginName === "org.kde.plasma.kickerdash"

    switchWidth: isDash || !fullRepresentationItem ? 0 : fullRepresentationItem.Layout.minimumWidth
    switchHeight: isDash || !fullRepresentationItem ? 0 : fullRepresentationItem.Layout.minimumHeight

    // this is a bit of a hack to prevent Plasma from spawning a dialog on its own when we're Dash
    preferredRepresentation: isDash ? fullRepresentation : null

    compactRepresentation: isDash ? null : compactRepresentationComponent
    fullRepresentation: isDash ? compactRepresentationComponent : menuRepresentationComponent

    readonly property Component itemListDialogComponent: Component {
        ItemListDialog {}
    }

    property Item dragSource: null

    property QtObject globalFavorites: rootModel.favoritesModel
    property QtObject systemFavorites: rootModel.systemFavoritesModel

    Plasmoid.icon: Plasmoid.configuration.useCustomButtonImage ? Plasmoid.configuration.customButtonImage : Plasmoid.configuration.icon

    onSystemFavoritesChanged: {
        if (systemFavorites) {
            systemFavorites.favorites = Plasmoid.configuration.favoriteSystemActions;
        }
    }

    function action_menuedit() {
        processRunner.runMenuEditor();
    }

    function updateSvgMetrics() {
        lineSvg.horLineHeight = lineSvg.elementSize("horizontal-line").height;
        lineSvg.vertLineWidth = lineSvg.elementSize("vertical-line").width;
    }

    Component {
        id: compactRepresentationComponent
        CompactRepresentation {}
    }

    Component {
        id: menuRepresentationComponent
        MenuRepresentation {}
    }

    Kicker.RootModel {
        id: rootModel

        autoPopulate: false

        appNameFormat: Plasmoid.configuration.appNameFormat
        flat: kicker.isDash || Plasmoid.configuration.limitDepth
        sorted: Plasmoid.configuration.alphaSort
        showSeparators: !kicker.isDash
        // TODO: appletInterface property now can be ported to "applet" and have the real Applet* assigned directly
        appletInterface: kicker

        showAllApps: kicker.isDash
        showAllAppsCategorized: true
        showTopLevelItems: !kicker.isDash
        showRecentApps: Plasmoid.configuration.showRecentApps
        showRecentDocs: Plasmoid.configuration.showRecentDocs
        recentOrdering: Plasmoid.configuration.recentOrdering

        onShowRecentAppsChanged: {
            Plasmoid.configuration.showRecentApps = showRecentApps;
        }

        onShowRecentDocsChanged: {
            Plasmoid.configuration.showRecentDocs = showRecentDocs;
        }

        onRecentOrderingChanged: {
            Plasmoid.configuration.recentOrdering = recentOrdering;
        }

        Component.onCompleted: {
            favoritesModel.initForClient("org.kde.plasma.kicker.favorites.instance-" + Plasmoid.id)

            if (!Plasmoid.configuration.favoritesPortedToKAstats) {
                if (favoritesModel.count < 1) {
                    favoritesModel.portOldFavorites(Plasmoid.configuration.favoriteApps);
                }
                Plasmoid.configuration.favoritesPortedToKAstats = true;
            }
        }
    }

    Connections {
        target: globalFavorites

        function onFavoritesChanged() {
            Plasmoid.configuration.favoriteApps = target.favorites;
        }
    }

    Connections {
        target: systemFavorites

        function onFavoritesChanged() {
            Plasmoid.configuration.favoriteSystemActions = target.favorites;
        }
    }

    Connections {
        target: Plasmoid.configuration

        function onFavoriteAppsChanged() {
            globalFavorites.favorites = Plasmoid.configuration.favoriteApps;
        }

        function onFavoriteSystemActionsChanged() {
            systemFavorites.favorites = Plasmoid.configuration.favoriteSystemActions;
        }
    }

    Kicker.RunnerModel {
        id: runnerModel

        appletInterface: kicker

        favoritesModel: globalFavorites

        runners: {
            const results = ["krunner_services",
                             "krunner_systemsettings",
                             "krunner_sessions",
                             "krunner_powerdevil",
                             "calculator",
                             "unitconverter"];

            if (Plasmoid.configuration.useExtraRunners) {
                results.push(...Plasmoid.configuration.extraRunners);
            }

            return results;
        }
    }

    Kicker.DragHelper {
        id: dragHelper

        dragIconSize: Kirigami.Units.iconSizes.medium
    }

    Kicker.ProcessRunner {
        id: processRunner
    }

    Kicker.WindowSystem {
        id: windowSystem
    }

    KSvg.FrameSvgItem {
        id: highlightItemSvg

        visible: false

        imagePath: "widgets/viewitem"
        prefix: "hover"
    }

    KSvg.FrameSvgItem {
        id: listItemSvg

        visible: false

        imagePath: "widgets/listitem"
        prefix: "normal"
    }

    KSvg.Svg {
        id: lineSvg
        imagePath: "widgets/line"

        property int horLineHeight
        property int vertLineWidth
    }

    PlasmaComponents3.Label {
        id: toolTipDelegate

        width: contentWidth
        height: undefined

        property Item toolTip

        text: toolTip ? toolTip.text : ""
        textFormat: Text.PlainText
    }

    Timer {
        id: justOpenedTimer

        repeat: false
        interval: 600
    }

    Connections {
        target: kicker

        function onExpandedChanged(expanded) {
            if (expanded) {
                windowSystem.monitorWindowVisibility(Plasmoid.fullRepresentationItem);
                justOpenedTimer.start();
            } else {
                kicker.reset();
            }
        }
    }

    function resetDragSource() {
        dragSource = null;
    }

    function enableHideOnWindowDeactivate() {
        kicker.hideOnWindowDeactivate = true;
    }

    Plasmoid.contextualActions: [
        PlasmaCore.Action {
            text: i18n("Edit Applications…")
            icon.name: "kmenuedit"
            visible: Plasmoid.immutability !== PlasmaCore.Types.SystemImmutable
            onTriggered: processRunner.runMenuEditor()
        }
    ]

    Component.onCompleted: {
        if (Plasmoid.hasOwnProperty("activationTogglesExpanded")) {
            Plasmoid.activationTogglesExpanded = !kicker.isDash
        }

        windowSystem.focusIn.connect(enableHideOnWindowDeactivate);
        kicker.hideOnWindowDeactivate = true;

        updateSvgMetrics();
        PlasmaCore.Theme.themeChanged.connect(updateSvgMetrics);

        rootModel.refreshed.connect(reset);

        dragHelper.dropped.connect(resetDragSource);
    }
}