/*
 * Copyright 2020,2021 Panasonic Corporation
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *     http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

import QtQuick 2.14
import "qrc:/MeterEffect/"

Item {
    id: speedNeedle
    width: 444
    height: 444
    x: 318
    y: 180
    visible: false
    property real speedValue

    readonly property real speedNeedleMax: 100
    readonly property real speedNeedleMin: 0

    onSpeedValueChanged: {
        setNeedleAngle();
        effectPwrNeedle.angle = (2.25 * speedValue * Math.PI / 180) + effectPwrNeedle.angleBase;
    }

    Connections {
        target: rootItem
        onTransNormalToAdas: {
            normalToAdasAnimation.start();
        }
    }

    function setNeedleAngle() {
        if (speedNeedleMax < speedValue) {
            speedValue = speedNeedleMax;
        } else if (speedValue < speedNeedleMin) {
            speedValue = speedNeedleMin;
        }
        rotateNeedle.angle = 2.25 * speedValue;
    }

    /* Needle - visible in ADAS/Map mode */
    Item {
        id: needleGroup
        width: 444
        height: 444

        Image {
            id: pwrNeedle
            source: "qrc:/Images/ADASView/METER/needle.png"
            x: 28
            y: 220
            width: 182
            height: 4
            visible: false
        }

        Item {
            id: needleMask
            visible: false
            anchors.fill: pwrNeedle
            property double maskPercent: 0

            Rectangle {
                id: needleMaskInvisible
                color: "red"
                opacity: 0
                anchors.left: parent.left
                width: pwrNeedle.width * (1.0 - needleMask.maskPercent / 100.0)
                height: pwrNeedle.height
                visible: true
            }
            Rectangle {
                id: needleMaskVisible
                color: "blue"
                anchors.right: parent.right
                opacity: 1
                width: pwrNeedle.width * (needleMask.maskPercent / 100.0)
                height: pwrNeedle.height
                visible: true
            }
        }

        OpacityMask {
            id: maskedPwrNeedle
            cached: false
            width: pwrNeedle.x
            height: pwrNeedle.y
            anchors.fill: pwrNeedle
            source: pwrNeedle
            maskSource: needleMask
        }

        transform: Rotation {
            id: rotateNeedle
            origin.x: needleGroup.width / 2
            origin.y: needleGroup.height / 2
            angle: 0
        }
    }

    Item {
        id: centerCircleGroup
        width: 124
        height: 126
        x: 160
        y: 166
        Image {
            id: centerCircle
            source: "qrc:/Images/ADASView/METER/center_circle.png"
            width: 124
            height: 126
            anchors.horizontalCenter: parent.horizontalCenter
            anchors.verticalCenter: parent.verticalCenter
            visible: true
        }
    }

    Item {
        id: pwrNeedleEffect
        width: 444
        height: 444
        x: 0
        y: 0
        visible: false

        Image {
            source: "qrc:/Images/ADASView/METER/pwr_wave.png"
            width: 444
            height: 442
            visible: true
        }

        Image {
            source: "qrc:/Images/ADASView/METER/pwr_glow.png"
            width: 444
            height: 442
            visible: true
        }
    }

    ShaderEffect {
        id: effectPwrNeedle
        anchors.fill: pwrNeedleEffect
        visible: false
        blending: true
        supportsAtlasTextures: true
        property real angleBase: -pi * 1 / 2
        property real angle: -pi * 1 / 2
        property var src: ShaderEffectSource {
            sourceItem: pwrNeedleEffect
        }

        readonly property real pi: 3.1415926535

        vertexShader: ShaderPath.guageMaskVert
        fragmentShader: ShaderPath.guageMaskFrag
    }

    SequentialAnimation {
        id: normalToAdasAnimation
        onStarted: rootItem.focus = false
        onStopped: rootItem.focus = true
        PauseAnimation {
            duration: 330 + 891
        }

        PropertyAnimation {
            target: speedNeedle
            property: "visible"
            duration: 0
            from: false
            to: true
        }

        NumberAnimation {
            target: centerCircle
            property: "scale"
            duration: 396
            easing.type: Easing.InOutSine
            from: 0
            to: 1
        }

        PropertyAnimation {
            target: effectPwrNeedle
            property: "visible"
            duration: 0
            from: false
            to: true
        }

        ParallelAnimation {
            NumberAnimation {
                target: needleMask
                property: "maskPercent"
                duration: 198
                from: 0.0
                to: 100.0
            }

            NumberAnimation {
                target: effectPwrNeedle
                property: "opacity"
                duration: 198
                from: 0
                to: 1
            }
        }
        PauseAnimation {
            duration: 330
        }
    }

    SequentialAnimation {
        id: mapToNormalAnimation
        onStarted: rootItem.focus = false
        ParallelAnimation {
            NumberAnimation {
                target: needleMask
                property: "maskPercent"
                duration: 198
                from: 100.0
                to: 0.0
            }

            NumberAnimation {
                target: effectPwrNeedle
                property: "opacity"
                duration: 198
                from: 1
                to: 0
            }
        }

        PropertyAnimation {
            target: effectPwrNeedle
            property: "visible"
            duration: 0
            from: true
            to: false
        }

        NumberAnimation {
            target: centerCircle
            property: "scale"
            duration: 396
            easing.type: Easing.InOutSine
            from: 1
            to: 0
        }

        PropertyAnimation {
            target: speedNeedle
            property: "visible"
            duration: 0
            from: true
            to: false
        }
    }
}