import QtQuick 2.3
import QtQuick.Controls.Styles 1.3
import QtQuick.Controls 1.4
import UM 1.3 as UM

ProgressBar {
    property var progress: {
        if (printer.activePrintJob == null) {
            return 0;
        }
        var result = printer.activePrintJob.timeElapsed / printer.activePrintJob.timeTotal;
        if (result > 1.0) {
            result = 1.0;
        }
        return result;
    }
    value: progress;

    style: ProgressBarStyle {
        property var remainingTime:
        {
            if(printer.activePrintJob == null)
            {
                return 0
            }
            /* Sometimes total minus elapsed is less than 0. Use Math.max() to prevent remaining
                time from ever being less than 0. Negative durations cause strange behavior such
                as displaying "-1h -1m". */
            var activeJob = printer.activePrintJob
            return Math.max(activeJob.timeTotal - activeJob.timeElapsed, 0);
        }
        property var progressText:
        {
            if(printer.activePrintJob == null)
            {
                return ""
            }
            switch(printer.activePrintJob.state)
            {
                case "wait_cleanup":
                    if(printer.activePrintJob.timeTotal > printer.activePrintJob.timeElapsed)
                    {
                        return catalog.i18nc("@label:status", "Aborted")
                    }
                    return catalog.i18nc("@label:status", "Finished")
                case "pre_print":
                case "sent_to_printer":
                    return catalog.i18nc("@label:status", "Preparing")
                case "aborted":
                    return catalog.i18nc("@label:status", "Aborted")
                case "wait_user_action":
                    return catalog.i18nc("@label:status", "Aborted")
                case "pausing":
                    return catalog.i18nc("@label:status", "Pausing")
                case "paused":
                    return OutputDevice.formatDuration( remainingTime )
                case "resuming":
                    return catalog.i18nc("@label:status", "Resuming")
                case "queued":
                    return catalog.i18nc("@label:status", "Action required")
                default:
                    return OutputDevice.formatDuration( remainingTime )
            }
        }

        background: Rectangle
        {
            implicitWidth: 100
            implicitHeight: visible ? 24 : 0
            color: UM.Theme.getColor("viewport_background")
        }

        progress: Rectangle
        {
            color:
            {
                var state = printer.activePrintJob.state
                var inactiveStates = [
                    "pausing",
                    "paused",
                    "resuming",
                    "wait_cleanup"
                ]
                if(inactiveStates.indexOf(state) > -1 && remainingTime > 0)
                {
                    return UM.Theme.getColor("monitor_tab_text_inactive")
                }
                else
                {
                    return UM.Theme.getColor("primary")
                }
            }
            id: progressItem
            function getTextOffset()
            {
                if(progressItem.width + progressLabel.width + 16 < control.width)
                {
                    return progressItem.width + UM.Theme.getSize("default_margin").width
                }
                else
                {
                    return progressItem.width - progressLabel.width - UM.Theme.getSize("default_margin").width
                }
            }

            Label
            {
                id: progressLabel
                anchors.left: parent.left
                anchors.leftMargin: getTextOffset()
                text: progressText
                anchors.verticalCenter: parent.verticalCenter
                color: progressItem.width + progressLabel.width < control.width ? "black" : "white"
                width: contentWidth
                font: UM.Theme.getFont("default")
            }
        }
    }
}