/******************************************************************************
**
** Copyright (C) 2021 The Qt Company Ltd.
** Contact: https://www.qt.io/licensing/
**
** This file is part of the Qt Quick Ultralite module.
**
** $QT_BEGIN_LICENSE:COMM$
**
** Commercial License Usage
** Licensees holding valid commercial Qt licenses may use this file in
** accordance with the commercial license agreement provided with the
** Software or, alternatively, in accordance with the terms contained in
** a written agreement between you and The Qt Company. For licensing terms
** and conditions see http://www.qt.io/terms-conditions. For further
** information use the contact form at http://www.qt.io/contact-us.
**
** $QT_END_LICENSE$
**
******************************************************************************/

import QtQuick 2.15
import Automotive 1.0
import TviiEffects 1.0

Item {
    id: root;
    property real value;
    property int minAngle: 0
    property int needleOffsetX: 0
    property int needleOffsetY: 0
    property int highlightOffsetX: 0
    property int highlightOffsetY: 0
    property int maxValue : 1; // The maximum value shown in this gauge
    property int maxAngle : 200; // The angle in degrees at which the needle is when the value is maxValue

    width: 340;
    height: 340;

    property int transformOriginX: 60

    property real scale: 1;
    property int interval: maxValue > 140 ? 20 : maxValue > 50 ? 10 : 1;
    property real animatedValue: value;
    Behavior on animatedValue { NumberAnimation {
        easing.type: Easing.OutQuad;
        duration: 500
    } }

    Image {
        id: bg;
        width: implicitWidth
        height: implicitHeight
        anchors.centerIn: parent;
        source: "images/gauge-gauge-frame.png"
    }

    property real angle: minAngle/0.0174532925 + 180 + animatedValue * (maxAngle - minAngle) / maxValue

    Image {
        id: highlight
        x: 112 + highlightOffsetX
        y: -3 + highlightOffsetY
        width: implicitWidth
        height: implicitHeight
        source: "images/highlight-normal.png"

        transform: [
            Rotation {
                origin.x: 340 / 2 - highlight.x;
                origin.y: 340 / 2 - highlight.y - 0.5;
                angle: root.angle
            },
            Scale {
                origin.x: transformOriginX - highlight.x
                origin.y: 340 - highlight.y - 0.5
                xScale: root.scale
                yScale: root.scale
            },
            Translate {
                y: 0.5
            }
        ]
    }

    NeedleTrail {
        anchors.centerIn: parent
        width: 300
        height: 300
        mask: "images/needle-mask.png"
        rotation: root.angle
    }

    Image {
        id: needle
        x: 171 - needle.width/2 + needleOffsetX
        y: 16 + needleOffsetY
        width: implicitWidth
        height: implicitHeight
        source: "images/needle-normal.png"

        transform: [
            Rotation {
                origin.x: 340 / 2 - needle.x;
                origin.y: 340 / 2 - needle.y;
                angle: root.angle
            },
            Scale {
                origin.x: transformOriginX - needle.x
                origin.y: 340 - needle.y
                xScale: root.scale
                yScale: root.scale
            }
        ]
    }
}