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import QtQuick 2.0
import QtDeviceUtilities.QtButtonImageProvider 1.0
import QtQuick.Controls 2.2

Item {
    id: root
    width: parent.width * 0.1
    height: parent.height
    property alias volume: volumeSlider.value
    property bool muted: root.volume == 0.0
    property bool volumeItemUp: volumeItem.y == (volumeItem.height + volumeItem.height * 0.05)
    //Volume Controls
    QtButton{
        id: toggleVolumeButton
        width: controlBar.width * 0.06
        height: width
        anchors.bottom: parent.bottom
        anchors.bottomMargin: controlBar.width * 0.02
        anchors.horizontalCenter: parent.horizontalCenter
        fillColor: _primaryGreen

        Image{
            anchors.centerIn: parent
            width: parent.width * 0.5
            height: width
            source: !muted ? "images/volume_icon.svg" : "images/mute_icon.svg"
            sourceSize.width: parent.width
            sourceSize.height: parent.height
        }
        onClicked: {
            if (volumeItem.opacity == 0)
                volumeItem.opacity = 1;
            else if (volumeItem.opacity > 0)
                volumeItem.opacity = 0;

            if (volumeItem.y === 0)
                volumeItem.y -= (volumeItem.height + itemMargin);
            else if (volumeItem !== 0)
                volumeItem.y = 0;
        }
    }

    Item{
        id: volumeItem
        height: applicationWindow.height * 0.4
        anchors.right: toggleVolumeButton.left //?
        opacity: 0
        y: 0
        z: -1000
        QtButton{
            id: muteVolumeButton
            width: controlBar.width * 0.06
            height: width
            anchors.bottom: parent.bottom
            fillColor: _primaryGrey
            borderColor: "transparent"
            Image{
                anchors.centerIn: parent
                width: parent.width * 0.5
                height: parent.height * 0.5
                source: "images/mute_icon.svg"
                sourceSize.width: parent.width
                sourceSize.height: parent.height
            }
            onClicked: {
                root.volume = 0.0
            }
        }

        Slider {
            id: volumeSlider
            anchors.bottom: muteVolumeButton.top
            anchors.bottomMargin: itemMargin
            anchors.top: parent.top
            anchors.horizontalCenter: muteVolumeButton.horizontalCenter
            orientation: Qt.Vertical

            background: Rectangle{
                id: sliderBackground
                x: volumeSlider.leftPadding + volumeSlider.availableWidth / 2 - width / 2
                y: volumeSlider.bottomPadding
                implicitWidth: 5
                implicitHeight: 200
                height: volumeSlider.availableHeight
                width: implicitWidth
                radius: 2
                color: "white"
                Rectangle{
                    height: volumeSlider.visualPosition * parent.height
                    width: parent.width
                    color: _primaryGrey
                    radius: 2
                }
            }
            handle: Rectangle{
                x: volumeSlider.leftPadding + volumeSlider.availableWidth / 2 - width / 2
                y: volumeSlider.bottomPadding + volumeSlider.visualPosition * (volumeSlider.availableHeight - height)
                width: sliderBackground.width * 7
                height: width
                radius: height * 0.5
                color: _primaryGreen
            }
        }

        Behavior on opacity { NumberAnimation { duration: 100 } }
        Behavior on y { NumberAnimation { duration: 100 } }
    }
}