// SPDX-FileCopyrightText: 2023 Devin Lin <devin@kde.org>
// SPDX-License-Identifier: LGPL-2.0-or-later

import QtQuick
import QtQuick.Layouts
import QtQuick.Controls as Controls
import QtQuick.Effects

import org.kde.kirigami 2.20 as Kirigami

import plasma.applet.org.kde.plasma.mobile.homescreen.folio as Folio
import org.kde.plasma.private.mobileshell.state as MobileShellState
import org.kde.plasma.private.mobileshell as MobileShell
import org.kde.plasma.plasmoid

AbstractDelegate {
    id: root

    shadow: true
    name: application ? application.name : ""

    // This may be null for short periods of time due to model changes
    property Folio.FolioApplication application

    property alias iconItem: icon

    property bool turnToFolder: false
    property bool turnToFolderAnimEnabled: false

    function launchApp() {
        if (!application) {
            return;
        }

        if (application.icon !== "" && !root.application.running) {
            MobileShellState.ShellDBusClient.openAppLaunchAnimationWithPosition(
                Plasmoid.screen,
                application.icon,
                application.name,
                application.storageId,
                root.iconItem.Kirigami.ScenePosition.x + root.iconItem.width/2,
                root.iconItem.Kirigami.ScenePosition.y + root.iconItem.height/2,
                Math.min(root.iconItem.width, root.iconItem.height));
        }

        application.setMinimizedDelegate(root);
        MobileShell.AppLaunch.launchOrActivateApp(application.storageId);
    }

    onAfterClickAnimation: {
        launchApp();
    }

    contentItem: Item {
        height: folio.FolioSettings.delegateIconSize
        width: folio.FolioSettings.delegateIconSize

        // Background for folder creation animation
        Rectangle {
            id: rect
            radius: Kirigami.Units.cornerRadius
            color: Qt.rgba(255, 255, 255, 0.3)
            anchors.fill: parent

            Component.onCompleted: {
                if (maskManager) {
                    maskManager.assignToMask(this)
                }
            }

            opacity: root.turnToFolder ? 1 : 0
            property real scaleAmount: root.turnToFolder ? 1.2 : 1.0

            Behavior on scaleAmount {
                enabled: root.turnToFolderAnimEnabled
                NumberAnimation { duration: Kirigami.Units.longDuration; easing.type: Easing.InOutQuad }
            }
            Behavior on opacity {
                enabled: root.turnToFolderAnimEnabled
                NumberAnimation { duration: Kirigami.Units.longDuration; easing.type: Easing.InOutQuad }
            }

            transform: Scale {
                origin.x: rect.width / 2
                origin.y: rect.height / 2
                xScale: rect.scaleAmount
                yScale: rect.scaleAmount
            }
        }

        // Application icon
        DelegateAppIcon {
            id: icon
            folio: root.folio
            anchors.fill: parent
            source: root.application ? root.application.icon : ""

            property real scaleAmount: root.turnToFolder ? 0.3 : 1.0
            Behavior on scaleAmount {
                enabled: root.turnToFolderAnimEnabled
                NumberAnimation { duration: root.turnToFolderAnimEnabled ? Kirigami.Units.longDuration : 0; easing.type: Easing.InOutQuad }
            }

            transform: Scale {
                origin.x: icon.width / 2
                origin.y: icon.height / 2
                xScale: icon.scaleAmount
                yScale: icon.scaleAmount
            }

            // Running indicator
            Rectangle {
                anchors {
                    horizontalCenter: parent.horizontalCenter
                    bottom: parent.bottom
                    bottomMargin: -Kirigami.Units.smallSpacing
                }
                visible: root.application && root.application.running
                radius: width
                width: Kirigami.Units.smallSpacing
                height: width
                color: Kirigami.Theme.highlightColor
            }
        }
    }
}