// SPDX-License-Identifier: MIT
import QtQuick
import QtTest
import "../controller/contents/ui/areas.js" as Areas

Item {
    id: scene
    property Item containment: edges
    property int leftPadding: edges.vertical ? 8 : 12
    property int rightPadding: edges.vertical ? 8 : 14
    property int topPadding: edges.vertical ? 12 : 8
    property int bottomPadding: edges.vertical ? 14 : 8
    width: 600
    height: 100
    Item {
        id: panel
        x: 30
        y: 20
        width: 500
        height: 40
        Item {
            width: 200
            height: 40
            property alias applet: tasks
            Item {
                id: tasks
                anchors.fill: parent
                property QtObject plasmoid: QtObject { property string pluginName: "org.kde.plasma.taskmanager" }
                Item {
                    id: button
                    width: 80
                    height: 40
                    property Item tasksRoot: tasks
                    property bool isWindow: true
                    property int index: 0
                }
            }
        }
        Item {
            x: 200
            width: 60
            height: 40
            property QtObject applet: QtObject {
                property QtObject plasmoid: QtObject { property string pluginName: "org.kde.plasma.systemtray" }
            }
        }
        Item {
            id: arbitraryWidget
            x: 260
            width: 60
            height: 40
            property QtObject applet: QtObject {
                property QtObject plasmoid: QtObject { property string pluginName: "third.party.widget" }
            }
        }
    }
    Item {
        id: edges
        x: 40
        y: 10
        property bool vertical: false
        property bool reversed: false
        width: vertical ? 60 : 400
        height: vertical ? 400 : 60
        Item { width: 0; height: 60 } // invisible controller's zero-width slot
        Item { x: -100; y: -100; width: 50; height: 50; visible: false }
        Item {
            id: launcher
            x: edges.vertical ? 8 : edges.reversed ? 350 : 12
            y: edges.vertical ? (edges.reversed ? 350 : 12) : 8
            width: edges.vertical ? 44 : 36
            height: edges.vertical ? 36 : 44
            property QtObject applet: QtObject {
                property QtObject plasmoid: QtObject { property string pluginName: "org.kde.plasma.kickoff" }
            }
        }
        Item {
            x: edges.vertical ? 8 : 90
            y: edges.vertical ? 90 : 8
            width: edges.vertical ? 44 : 80
            height: edges.vertical ? 80 : 44
            property QtObject applet: QtObject {
                property QtObject plasmoid: QtObject { property string pluginName: "org.kde.plasma.panelspacer" }
            }
        }
        Item {
            id: clock
            x: edges.vertical ? 8 : edges.reversed ? 12 : 350
            y: edges.vertical ? (edges.reversed ? 12 : 350) : 8
            width: edges.vertical ? 44 : 36
            height: edges.vertical ? 36 : 44
            property QtObject applet: QtObject {
                property QtObject plasmoid: QtObject { property string pluginName: "org.kde.plasma.digitalclock" }
            }
        }
    }
    TestCase {
        name: "PanelAreas"
        when: windowShown
        function init() {
            edges.vertical = false;
            edges.reversed = false;
            edges.x = 40;
            launcher.visible = true;
        }
        function areaAt(along, across) {
            const p = edges.mapToItem(null, edges.vertical ? across : along, edges.vertical ? along : across);
            return Areas.areaAt(edges, p.x, p.y, scene);
        }
        function test_panelMargins_data() {
            return [
                {tag: "horizontal", vertical: false, x: 40},
                {tag: "vertical", vertical: true, x: 40},
                {tag: "fractional-origin", vertical: false, x: 40.5},
                {tag: "vertical-fractional-origin", vertical: true, x: 40.5}
            ];
        }
        function test_panelMargins(data) {
            edges.vertical = data.vertical;
            edges.x = data.x;
            compare(areaAt(-20, 58), "launcher"); // leading outer corner
            compare(areaAt(30, 2), "launcher"); // thickness padding above/beside icon
            compare(areaAt(420, 58), "clock"); // trailing outer corner
            compare(areaAt(386, 52), "clock"); // exclusive bottom/right boundaries
            compare(areaAt(385.75, 51.75), "clock"); // fractional positions just inside
            compare(areaAt(65, 58), "empty"); // internal gap
            compare(areaAt(120, 58), "empty"); // explicit spacer
            compare(areaAt(200, 58), "empty");
            edges.reversed = true; // physical order, not QObject child order
            compare(areaAt(-20, 58), "clock");
            compare(areaAt(420, 58), "launcher");
        }
        function test_panelViewDiscovery() {
            compare(Areas.panelViewFor(launcher), scene);
            const inside = launcher.mapToItem(null, 10, 10);
            compare(Areas.areaAt(edges, inside.x, inside.y, scene), "launcher");
            compare(Areas.areaAt(edges, inside.x, inside.y, null), "");
        }
        function test_hiddenAndZeroSizeDoNotOwnPadding() {
            launcher.visible = false;
            compare(areaAt(-20, 58), "empty"); // don't stretch the next widget into a real gap
            compare(Areas.areaAt(null, 0, 0, scene), "");
        }
        function taskArea(x, y) {
            return Areas.areaAt(panel, x, y, {containment: panel,
                leftPadding: 0, rightPadding: 0, topPadding: 0, bottomPadding: 0});
        }
        function test_taskThicknessPaddingKeepsUnusedSpaceEmpty() {
            compare(taskArea(40, 65), "tasks");
            compare(taskArea(150, 65), "empty");
            compare(taskArea(0, 65), "tasks");
        }
        function test_taskButtonsVersusUnusedSpace() {
            compare(taskArea(40, 30), "tasks");
            compare(taskArea(150, 30), "empty");
            button.isWindow = false; // pinned launchers still count as buttons
            compare(taskArea(40, 30), "tasks");
            button.visible = false;
            compare(taskArea(40, 30), "empty");
            button.visible = true;
        }
        function test_trayAndUnrecognizedWidgetsKeepClicks() {
            compare(taskArea(240, 30), "tray");
            compare(taskArea(300, 30), "other");
            arbitraryWidget.visible = false;
            compare(taskArea(300, 30), "empty");
            arbitraryWidget.visible = true;
            compare(Areas.areaAt(null, 40, 30, scene), "");
        }
    }
}