// Copyright (C) 2022 The Qt Company Ltd.
// SPDX-License-Identifier: LicenseRef-Qt-Commercial OR LGPL-3.0-only OR GPL-2.0-only OR GPL-3.0-only

import QtQuick
import QtQuick.Templates as T
import QtQuick.Controls.impl
import QtQuick.Controls.iOS.impl

T.Drawer {
    id: control

    parent: T.Overlay.overlay

    implicitWidth: Math.max(implicitBackgroundWidth + leftInset + rightInset,
                            implicitContentWidth + leftPadding + rightPadding)
    implicitHeight: Math.max(implicitBackgroundHeight + topInset + bottomInset,
                             implicitContentHeight + topPadding + bottomPadding)

    property real __inset: control.dim ? 8 : 0
    property bool vertical: control.edge === Qt.LeftEdge || control.edge === Qt.RightEdge

    topPadding: SafeArea.margins.top
    leftPadding: SafeArea.margins.left
    rightPadding: SafeArea.margins.right
    bottomPadding: SafeArea.margins.bottom

    rightInset: background && control.edge === Qt.LeftEdge ? -__inset : 0
    leftInset: background && control.edge === Qt.RightEdge ? -__inset : 0
    bottomInset: background && control.edge === Qt.TopEdge ? -__inset : 0
    topInset: background && control.edge === Qt.BottomEdge ? -__inset : 0

    enter: Transition { SmoothedAnimation { velocity: 5 } }
    exit: Transition { SmoothedAnimation { velocity: 5 } }

    background: Item {
        NinePatchImage {
            source: IOS.url + "drawer-background"
            NinePatchImageSelector on source {
                states: [
                    {"light": Application.styleHints.colorScheme === Qt.Light},
                    {"dark": Application.styleHints.colorScheme === Qt.Dark},
                    {"modal": control.modal}
                ]
            }
            y: (parent.height - height) / 2
            x: (parent.width - width) / 2
            rotation: control.edge === Qt.TopEdge ? 90 : (control.edge === Qt.BottomEdge ? -90
                                                  : (control.edge === Qt.RightEdge ? 180 : 0))
            width: vertical ? parent.width : parent.height
            height: vertical ? parent.height : parent.width
        }
        Rectangle {
            width: vertical ? 1 : parent.width
            height: vertical ? parent.height : 1
            color: control.palette.mid
            x: control.edge === Qt.LeftEdge ? parent.width - 1 - control.__inset
                                            : (control.edge === Qt.RightEdge ? control.__inset : 0)
            y: control.edge === Qt.BottomEdge ? control.__inset
                                              : (control.edge === Qt.TopEdge
                                                ? parent.height - 1 - control.__inset : 0)
            z: 10
        }
    }

    T.Overlay.modal: Rectangle {
        color: Color.transparent(control.palette.mid, 0.5)
        Behavior on opacity { NumberAnimation { duration: 150 } }
    }
}