// Copyright (C) 2024 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
// Qt-Security score:significant reason:default

import QtQuick
import QtQuick.Controls.impl
import QtQuick.Controls.FluentWinUI3.impl as Impl
import QtQuick.Templates as T

T.ItemDelegate {
    id: control

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

    spacing: __config.spacing || 0

    topPadding: __config.topPadding || 0 + verticalOffset
    leftPadding: __config.leftPadding || 0 + __horizontalOffset
    rightPadding: __config.rightPadding || 0 + __horizontalOffset
    bottomPadding: __config.bottomPadding || 0 + __verticalOffset

    topInset: -__config.topInset || 0
    bottomInset: -__config.bottomInset || 0
    leftInset: -__config.leftInset || 0
    rightInset: -__config.rightInset || 0

    readonly property bool __isHighContrast: Application.styleHints.accessibility.contrastPreference === Qt.HighContrast

    icon.width: 16
    icon.height: 16

    readonly property int __horizontalOffset: 4
    readonly property int __verticalOffset: 2

    readonly property string __currentState: [
        !control.enabled && "disabled",
        control.highlighted && "highlighted",
        control.enabled && !control.down && control.hovered && "hovered",
        control.down && "pressed"
    ].filter(Boolean).join("_") || "normal"
    readonly property var __config: Config.controls.itemdelegate[__currentState] || {}

    readonly property Item __focusFrameTarget: control

    contentItem: IconLabel {
        spacing: control.spacing
        mirrored: control.mirrored
        display: control.display
        alignment: control.display === IconLabel.IconOnly || control.display === IconLabel.TextUnderIcon ? Qt.AlignCenter : Qt.AlignLeft
        icon: control.icon
        defaultIconColor: control.down ? pressedText : control.__isHighContrast && control.hovered
            ? control.palette.button : control.palette.buttonText
        text: control.text
        font: control.font
        color: defaultIconColor

        readonly property color pressedText: Application.styleHints.colorScheme === Qt.Light
            ? Qt.rgba(control.palette.buttonText.r, control.palette.buttonText.g, control.palette.buttonText.b, 0.62)
            : Qt.rgba(control.palette.buttonText.r, control.palette.buttonText.g, control.palette.buttonText.b, 0.7725)
    }

    background: Item {
        implicitWidth: 160
        implicitHeight: 40

        property Item backgroundImage: Impl.StyleImage {
            visible: !control.__isHighContrast
            parent: control.background
            imageConfig: control.__config.background
            implicitWidth: parent.width - control.__horizontalOffset * 2
            implicitHeight: parent.height - control.__verticalOffset * 2
            x: control.__horizontalOffset
            y: control.__verticalOffset
        }

        property Rectangle selector: Rectangle {
            parent: control.background.backgroundImage
            y: (parent.height - height) / 2
            width: 3
            height: (control.highlighted || control.activeFocus)
                        ? control.down ? 10 : 16
                        : 0
            radius: width * 0.5
            color: control.palette.accent
            visible: (control.highlighted || control.activeFocus) && !control.__isHighContrast
            Behavior on height {
                NumberAnimation {
                    duration: 187
                    easing.type: Easing.OutCubic
                }
            }
        }

        Rectangle {
            visible: control.__isHighContrast
            implicitWidth: parent.width - control.__horizontalOffset * 2
            implicitHeight: parent.height - control.__verticalOffset * 2
            x: control.__horizontalOffset
            y: control.__verticalOffset
            color: control.hovered ? control.palette.accent : control.palette.window
            radius: 4
        }
    }
}
