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import QtQuick 2.5
import SensorTag.DataProvider 1.0

BaseChart {
    height: view.height * 0.4
    width: view.width
    antialiasing: true
    title: qsTr("Light Intensity")
    rightSide: true

    onSensorChanged: if (sensor) {
        sensor.lightIntensityChanged.connect(contentItem.getLightText)
    }

    content: Item {
        id: container

        anchors.fill: parent

        property alias lightText: lightMainText.text
        property alias lightImg: brightnessImg
        property real lightValue: 0
        property real maxLightValue: 1
        property real normalizedLightValue: 0

        function getLightText()
        {
            lightValue = sensor.lightIntensityLux;
            contentItem.lightText = lightValue.toFixed(1);

            if (lightValue > maxLightValue)
            {
                maxLightValue = lightValue;
            }
            normalizedLightValue = lightValue / maxLightValue;
            lightImg.opacity = normalizedLightValue;
        }

        Image {
            id: lightMainImg

            source: pathPrefix + "Light/light_base_gauge.png"
            anchors.top: parent.top
            anchors.topMargin: 16
            anchors.left: container.left
            anchors.leftMargin: 12

            Behavior on opacity {
                NumberAnimation {
                    duration: 500
                }
            }

            Text {
                id: lightMainText

                anchors.centerIn: parent
                color: "white"
            }
        }

        Image {
            id: brightnessImg

            source: pathPrefix + "Light/light_brightness.png"
            anchors.left: lightMainImg.right
            anchors.leftMargin: 24
            anchors.verticalCenter: lightMainImg.verticalCenter

            Behavior on opacity {
                NumberAnimation {
                    duration: 500
                }
            }
        }
    }
}