// The quick settings popover — GNOME's system menu (Super+S).
//
// A layer-shell surface rather than a PopupWindow because it needs keyboard
// focus for the wifi password field, and because the bar it hangs from is
// owned by a different module.

import QtQuick
import Quickshell
import Quickshell.Wayland
import Quickshell.Hyprland
import qs.config
import qs.services
import qs.widgets

PanelWindow {
    id: root

    visible: ShellState.quickSettingsOpen
    color: "transparent"

    // Hangs directly beneath the top-right status cluster. Two logical pixels
    // preserve the Prism edge without making the surface feel detached.
    //
    // The margin is the gap ALONE, not the bar height plus the gap. An
    // exclusiveZone of 0 means "reserve nothing, but respect what others
    // reserved", so this surface already begins below the bar's 36px zone;
    // adding the bar height here counted it twice and left the panel floating
    // 38px under the bar instead of 2px. It also means the panel follows the
    // bar on its own -- if the bar ever stops reserving space, this closes up
    // against the top edge rather than hanging under nothing.
    anchors.top: true
    anchors.right: true
    // The same gap every other popover uses. This had its own constant set to
    // 2, which left the widest surface in the shell hanging ten pixels higher
    // than the date menu beside it -- an early value nothing else converged on
    // rather than a decision; it carried no reason, while barGap does.
    margins.top: Theme.barGap * 2
    margins.right: Theme.barSideMargin
    exclusiveZone: 0

    implicitWidth: Theme.controlCenterWidth
    implicitHeight: panel.implicitHeight
    readonly property string expandedSection: panel.expandedSection

    function expand(name: string): void {
        panel.expand(name);
    }

    // The `qs-popover` prefix is matched by a layerrule in hypr/rules.lua.
    WlrLayershell.namespace: "qs-popover-quicksettings"
    WlrLayershell.layer: WlrLayer.Overlay
    // OnDemand rather than Exclusive: the panel must be able to take typing for
    // the wifi password field, but must not steal it while merely visible.
    WlrLayershell.keyboardFocus: WlrKeyboardFocus.OnDemand

    onVisibleChanged: {
        if (root.visible) {
            KdeConnect.refresh();
            HomeAssistant.refresh();
            // The daemon owns the power profile and anything on the system can
            // change it, so the panel asks rather than trusting what it last saw.
            PowerProfiles.refresh();
            openAnim.restart();
        } else {
            panel.reset();
        }
    }

    // Closes the panel when a click lands anywhere else on the desktop.
    HyprlandFocusGrab {
        windows: [root]
        active: root.visible
        onCleared: ShellState.close()
    }

    Rectangle {
        id: surface
        anchors.fill: parent
        radius: Theme.popoverRadius
        color: Theme.alpha(Theme.bgPopover, Theme.popoverAlpha)
        border.width: 1
        border.color: Theme.alpha(Theme.fg, 0.08)

        // The prism edge — see widgets/PrismEdge.qml. Sits just inside the 1px
        // border so the two don't fight for the same row of pixels.
        PrismEdge {
            anchors.top: parent.top
            anchors.topMargin: 1
            anchors.left: parent.left
            anchors.right: parent.right
            inset: parent.radius
        }

        transform: Scale {
            id: openScale
            origin.x: surface.width
            origin.y: 0
            xScale: 1
            yScale: 1
        }

        // Escape reaches here by propagating up from whatever holds focus
        // (usually the password field), so it works in every sub-state.
        Item {
            anchors.fill: parent
            focus: true
            Keys.onEscapePressed: ShellState.close()

            QuickSettingsPanel {
                id: panel
                anchors.fill: parent
            }
        }
    }

    NumberAnimation {
        id: openAnim
        target: openScale
        property: "yScale"
        from: 0.94
        to: 1.0
        duration: Theme.durNormal
        easing.type: Easing.OutCubic
    }
}