/*
 * Video.js plugin for Pannellum
 * Copyright (c) 2015-2018 Matthew Petroff
 * MIT License
 */

(function(document, videojs, pannellum) {
'use strict';

var registerPlugin = videojs.registerPlugin || videojs.plugin;  // Use registerPlugin for Video.js >= 6
registerPlugin('pannellum', function(config) {
    // Create Pannellum instance
    var player = this;
    var container = player.el();
    var vid = container.getElementsByTagName('video')[0],
        pnlmContainer = document.createElement('div');
    pnlmContainer.style.zIndex = '0';
    config = config || {};
    config.type = 'equirectangular';
    config.dynamic = true;
    config.showZoomCtrl = false;
    config.showFullscreenCtrl = false;
    config.autoLoad = true;
    config.panorama = vid;
    pnlmContainer.style.visibility = 'hidden';
    player.pnlmViewer = pannellum.viewer(pnlmContainer, config);
    container.insertBefore(pnlmContainer, container.firstChild);
    vid.style.display = 'none';

    // Handle update settings
    player.on('play', function() {
        if (vid.readyState > 1)
            player.pnlmViewer.setUpdate(true);
    });
    player.on('canplay', function() {
        if (!player.paused())
            player.pnlmViewer.setUpdate(true);
    });
    player.on('pause', function() {
        player.pnlmViewer.setUpdate(false);
    });
    player.on('loadeddata', function() {
        pnlmContainer.style.visibility = 'visible';
    });
    player.on('seeking', function() {
        if (player.paused())
            player.pnlmViewer.setUpdate(true);
    });
    player.on('seeked', function() {
        if (player.paused())
            player.pnlmViewer.setUpdate(false);
    });
});

})(document, videojs, pannellum);