// SPDX-FileCopyrightText: 2019 Black Hat <bhat@encom.eu.org>
// SPDX-License-Identifier: GPL-3.0-only

import QtQuick 2.15
import QtQuick.Controls 2.15
import QtQuick.Layouts 1.15
import QtGraphicalEffects 1.15
import QtMultimedia 5.15
import Qt.labs.platform 1.1 as Platform

import org.kde.kirigami 2.13 as Kirigami

import org.kde.neochat 1.0
import NeoChat.Component 1.0
import NeoChat.Dialog 1.0
import NeoChat.Menu.Timeline 1.0

Video {
    id: vid

    property bool playOnFinished: false
    readonly property bool downloaded: progressInfo && progressInfo.completed

    property bool supportStreaming: true

    onDownloadedChanged: {
        if (downloaded) {
            vid.source = progressInfo.localPath
        }

        if (downloaded && playOnFinished) {
            playSavedFile()
            playOnFinished = false
        }
    }


    readonly property int maxWidth: 1000 // TODO messageListView.width

    Layout.preferredWidth: content.info.w > maxWidth ? maxWidth : content.info.w
    Layout.preferredHeight: content.info.w > maxWidth ? (content.info.h / content.info.w * maxWidth) : content.info.h

    loops: MediaPlayer.Infinite

    fillMode: VideoOutput.PreserveAspectFit

    Component.onCompleted: {
        if (downloaded) {
            source = progressInfo.localPath
        } else {
            source = currentRoom.urlToMxcUrl(content.url)
        }
    }

    onDurationChanged: {
        if (!duration) {
            supportStreaming = false;
        }
    }

    onErrorChanged: {
        if (error != MediaPlayer.NoError) {
            supportStreaming = false;
        }
    }

    Image {
        readonly property bool isThumbnail: content.info.thumbnail_info && content.thumbnailMediaId
        readonly property var info: isThumbnail ? content.info.thumbnail_info : content.info

        anchors.fill: parent

        visible: isThumbnail  && (vid.playbackState == MediaPlayer.StoppedState || vid.error != MediaPlayer.NoError)

        source: "image://mxc/" + (isThumbnail ? content.thumbnailMediaId : "")

        sourceSize.width: info.w
        sourceSize.height: info.h

        fillMode: Image.PreserveAspectFit
    }

    Label {
        anchors.centerIn: parent

        visible: vid.playbackState == MediaPlayer.StoppedState || vid.error != MediaPlayer.NoError
        color: "white"
        text: i18n("Video")
        font.pixelSize: 16

        padding: 8

        background: Rectangle {
            radius: Kirigami.Units.smallSpacing
            color: "black"
            opacity: 0.3
        }
    }

    Rectangle {
        anchors.fill: parent

        visible: progressInfo.active && !downloaded

        color: "#BB000000"

        ProgressBar {
            anchors.centerIn: parent

            width: parent.width * 0.8

            from: 0
            to: progressInfo.total
            value: progressInfo.progress
        }
    }

    TapHandler {
        acceptedButtons: Qt.LeftButton
        onTapped: if (supportStreaming || progressInfo.completed) {
            if (vid.playbackState == MediaPlayer.PlayingState) {
                vid.pause()
            } else {
                vid.play()
            }
        } else {
            downloadAndPlay()
        }
    }

    function downloadAndPlay() {
        if (downloaded) {
            playSavedFile()
        } else {
            playOnFinished = true
            currentRoom.downloadFile(eventId, Platform.StandardPaths.writableLocation(Platform.StandardPaths.CacheLocation) + "/" + eventId.replace(":", "_").replace("/", "_").replace("+", "_") + currentRoom.fileNameToDownload(eventId))
        }
    }

    function playSavedFile() {
        vid.stop()
        vid.play()
    }
}