// ==========================================================================
// Plyr.io demo
// This code is purely for the plyr.io website
// Please see readme.md in the root or github.com/selz/plyr
// ==========================================================================

/*global plyr*/

// General functions
(function() {
    //document.body.addEventListener('ready', function(event) { console.log(event); });

    // Setup the player
    var instances = plyr.setup({
        debug: true,
        title: 'Video demo',
        iconUrl: '../dist/plyr.svg',
        tooltips: {
            controls: true
        },
        captions: {
            defaultActive: true
        },
        controls: ['play-large', 'play', 'progress', 'current-time', 'mute', 'volume', 'captions', 'settings', 'fullscreen']
    });
    plyr.loadSprite('dist/demo.svg');

    // Plyr returns an array regardless
    var player = instances[0];

    // Setup type toggle
    var buttons = document.querySelectorAll('[data-source]'),
        types = {
            video: 'video',
            audio: 'audio',
            youtube: 'youtube',
            vimeo: 'vimeo'
        },
        currentType = window.location.hash.replace('#', ''),
        historySupport = (window.history && window.history.pushState);

    // Bind to each button
    for (var i = buttons.length - 1; i >= 0; i--) {
        buttons[i].addEventListener('click', function() {
            var type = this.getAttribute('data-source');

            newSource(type);

            if (historySupport) {
                history.pushState({
                    'type': type
                }, '', '#' + type);
            }
        });
    }

    // List for backwards/forwards
    window.addEventListener('popstate', function(event) {
        if (event.state && 'type' in event.state) {
            newSource(event.state.type);
        }
    });

    // On load
    if (historySupport) {
        var video = !currentType.length;

        // If there's no current type set, assume video
        if (video) {
            currentType = types.video;
        }

        // Replace current history state
        if (currentType in types) {
            history.replaceState({
                'type': currentType
            }, '', (video ? '' : '#' + currentType));
        }

        // If it's not video, load the source
        if (currentType !== types.video) {
            newSource(currentType, true);
        }
    }

    // Toggle class on an element
    function toggleClass(element, className, state) {
        if (element) {
            if (element.classList) {
                element.classList[state ? 'add' : 'remove'](className);
            } else {
                var name = (' ' + element.className + ' ').replace(/\s+/g, ' ').replace(' ' + className + ' ', '');
                element.className = name + (state ? ' ' + className : '');
            }
        }
    }

    // Set a new source
    function newSource(type, init) {
        // Bail if new type isn't known, it's the current type, or current type is empty (video is default) and new type is video
        if (!(type in types) || (!init && type === currentType) || (!currentType.length && type === types.video)) {
            return;
        }

        switch (type) {
            case types.video:
                player.source({
                    type: 'video',
                    title: 'View From A Blue Moon',
                    sources: [{
                            src: 'https://cdn.selz.com/plyr/1.5/View_From_A_Blue_Moon_Trailer-HD.mp4',
                            type: 'video/mp4'
                    },
                        {
                            src: 'https://cdn.selz.com/plyr/1.5/View_From_A_Blue_Moon_Trailer-HD.webm',
                            type: 'video/webm'
                    }],
                    poster: 'https://cdn.selz.com/plyr/1.5/View_From_A_Blue_Moon_Trailer-HD.jpg',
                    tracks: [{
                        kind: 'captions',
                        label: 'English',
                        srclang: 'en',
                        src: 'https://cdn.selz.com/plyr/1.5/View_From_A_Blue_Moon_Trailer-HD.en.vtt',
                        default: true
                    }]
                });
                break;

            case types.audio:
                player.source({
                    type: 'audio',
                    title: 'Kishi Bashi – “It All Began With A Burst”',
                    sources: [{
                            src: 'https://cdn.selz.com/plyr/1.5/Kishi_Bashi_-_It_All_Began_With_a_Burst.mp3',
                            type: 'audio/mp3'
                    },
                        {
                            src: 'https://cdn.selz.com/plyr/1.5/Kishi_Bashi_-_It_All_Began_With_a_Burst.ogg',
                            type: 'audio/ogg'
                    }]
                });
                break;

            case types.youtube:
                player.source({
                    type: 'video',
                    title: 'View From A Blue Moon',
                    sources: [{
                        src: 'bTqVqk7FSmY',
                        type: 'youtube'
                    }]
                });
                break;

            case types.vimeo:
                player.source({
                    type: 'video',
                    title: 'View From A Blue Moon',
                    sources: [{
                        src: '143418951',
                        type: 'vimeo'
                    }]
                });
                break;
        }

        // Set the current type for next time
        currentType = type;

        // Remove active classes
        for (var x = buttons.length - 1; x >= 0; x--) {
            toggleClass(buttons[x].parentElement, 'active', false);
        }

        // Set active on parent
        toggleClass(document.querySelector('[data-source="' + type + '"]').parentElement, 'active', true);
    }
})();

// Google analytics
// For demo site (http://[www.]plyr.io) only
if (document.domain.indexOf('plyr.io') > -1) {
    (function(i, s, o, g, r, a, m) {
        i.GoogleAnalyticsObject = r;
        i[r] = i[r] || function() {
            (i[r].q = i[r].q || []).push(arguments)
        }, i[r].l = 1 * new Date();
        a = s.createElement(o),
            m = s.getElementsByTagName(o)[0];
        a.async = 1;
        a.src = g;
        m.parentNode.insertBefore(a, m)
    })(window, document, 'script', '//www.google-analytics.com/analytics.js', 'ga');
    ga('create', 'UA-40881672-11', 'auto');
    ga('send', 'pageview');
}