// SPDX-FileCopyrightText: 2021 Nheko Contributors
//
// SPDX-License-Identifier: GPL-3.0-or-later

import QtMultimedia 5.15
import QtQuick 2.15
import QtQuick.Controls 2.15
import QtQuick.Layouts 1.2
import im.nheko 1.0

Item {
    id: control

    property alias desiredVolume: volumeSlider.desiredVolume
    property alias muted: volumeSlider.muted
    property alias volumeOrientation: volumeSlider.orientation
    property var mediaState
    property bool mediaLoaded: false
    property var duration
    property var positionValue: 0
    property var position
    property int controlHeight: 25
    property bool shouldShowControls: playerMouseArea.shouldShowControls || volumeSlider.controlsVisible

    signal playPauseActivated(real mouseX, real mouseY)
    signal loadActivated(real mouseX, real mouseY)

    function durationToString(duration) {
        function maybeZeroPrepend(time) {
            return (time < 10) ? "0" + time.toString() : time.toString();
        }

        var totalSeconds = Math.floor(duration / 1000);
        var seconds = totalSeconds % 60;
        var minutes = (Math.floor(totalSeconds / 60)) % 60;
        var hours = (Math.floor(totalSeconds / (60 * 24))) % 24;
        // Always show minutes and don't prepend zero into the leftmost element
        var ss = maybeZeroPrepend(seconds);
        var mm = (hours > 0) ? maybeZeroPrepend(minutes) : minutes.toString();
        var hh = hours.toString();
        if (hours < 1)
            return mm + ":" + ss;

        return hh + ":" + mm + ":" + ss;
    }

    MouseArea {
        id: playerMouseArea

        property bool shouldShowControls: (containsMouse && controlHideTimer.running) || (control.mediaState != MediaPlayer.PlayingState) || controlRect.contains(mapToItem(controlRect, mouseX, mouseY))

        onClicked: {
            control.mediaLoaded ? control.playPauseActivated(mouseX, mouseY) : control.loadActivated(mouseX, mouseY);
        }
        hoverEnabled: true
        onPositionChanged: controlHideTimer.start()
        onExited: controlHideTimer.start()
        onEntered: controlHideTimer.start()
        anchors.fill: control
        propagateComposedEvents: true
    }

    Rectangle {
        id: controlRect

        // Window color with 128/255 alpha
        color: {
            var wc = Nheko.colors.alternateBase;
            return Qt.rgba(wc.r, wc.g, wc.b, 0.5);
        }
        anchors.bottom: control.bottom
        anchors.left: control.left
        anchors.right: control.right
        height: 40
        opacity: control.shouldShowControls ? 1 : 0

        RowLayout {
            anchors.fill: parent
            width: parent.width

            // Cache/Play/pause button
            Image {
                id: playbackStateImage

                property color controlColor: (playbackStateArea.containsMouse) ? Nheko.colors.highlight : Nheko.colors.text

                fillMode: Image.PreserveAspectFit
                Layout.preferredHeight: control.controlHeight
                Layout.alignment: Qt.AlignVCenter
                source: {
                    if (control.mediaLoaded) {
                        if (control.mediaState == MediaPlayer.PlayingState)
                            return "image://colorimage/:/icons/icons/ui/pause-symbol.png?" + controlColor;
                        else
                            return "image://colorimage/:/icons/icons/ui/play-sign.png?" + controlColor;
                    } else {
                        return "image://colorimage/:/icons/icons/ui/arrow-pointing-down.png?" + controlColor;
                    }
                }

                MouseArea {
                    id: playbackStateArea

                    anchors.fill: parent
                    hoverEnabled: true
                    onClicked: {
                        control.mediaLoaded ? control.playPauseActivated(mouseX, mouseY) : control.loadActivated(mouseX, mouseY);
                    }
                }

            }

            Label {
                text: (!control.mediaLoaded) ? "-/-" : (durationToString(control.positionValue) + "/" + durationToString(control.duration))
                color: Nheko.colors.text
            }

            Slider {
                Layout.fillWidth: true
                Layout.minimumWidth: 50
                height: control.controlHeight
                value: control.positionValue
                onMoved: control.position = value
                from: 0
                to: control.duration
            }

            VolumeControl {
                id: volumeSlider

                Layout.rightMargin: 5
                Layout.preferredHeight: control.controlHeight
            }

        }

        // Fade controls in/out
        Behavior on opacity {
            OpacityAnimator {
                duration: 100
            }

        }

    }

    // For hiding controls on stationary cursor
    Timer {
        id: controlHideTimer

        interval: 1500 //ms
        repeat: false
    }

}