var viewerurl = "";

function embedPano( xmlname, tagname, viewer_url, forceflash, moreoptions )
{

    var now = new Date();
    var options = {};
    options.xml = xmlname;
    options.target = tagname;
    options.focus = false;
    options.id = "krpanoSWFObject";
    options.html5 = "only";

    options.passQueryParameters = true;
    options.onerror = showUnAvailableMessage;
    options.consolelog = true;

    var optionalvars = {};
    viewerurl = viewer_url;
    optionalvars.viewerurl = viewerurl;
    optionalvars.viewerid = "krpanoSWFObject";
    $.extend(optionalvars, moreoptions);

    // UserAgent判定
    var ua = window.navigator.userAgent.toLowerCase();
    if ( ua.indexOf('chrome') != -1 || ua.indexOf('safari') == -1 || ua.indexOf('mobile') != -1 )
    {
        // Safari以外はローディングアイコン有効化
        var loadingIcon = document.getElementById("loadingIcon");
        if( loadingIcon != null )
        {
            loadingIcon.style.visibility = "visible";
            loadingIcon.style.index = "0";
        }
    }

    // iFrameチェック
    if( window != window.parent )
    {
        optionalvars.isIFRAME = "true";
    }

    // iOS Chrome Check
    if(navigator.userAgent.match('CriOS')){
        var pano = document.getElementById(tagname);
        var height = window.innerHeight;
        pano.style.height = height;
    }

    // IE タッチスクリーンつきマシン対応
    if (navigator.msPointerEnabled)
    {
      navigator.__defineGetter__("msPointerEnabled", function(){return false;});
      navigator.__defineGetter__("pointerEnabled", function(){return true;});
    }
    // IE タッチスクリーンつきマシン対応

    options.initvars = optionalvars;
    embedpano( options );

}


// 親フレームがWiXかどうかチェックする
function checkWiX() {
    var krpano = document.getElementById("krpanoSWFObject");
    krpano.set( "isWix", false );

    // iframeかどうか
    if( window !== parent )
    {
        var url = document.referrer;
        if( url.indexOf('wix.com') != -1 )
        {
            krpano.set( "isWix", "true" );
            console.log("detect wix");
        }
    }
}

function openNewWindow() {
    var newUrl = window.location.href;
    window.open( newUrl );
}

function isWin7IE() {
    var userAgent = window.navigator.userAgent.toLowerCase();
    var isIE = false;
    if (userAgent.match(/win(dows )?nt 6\.1/)) {
        isIE = (userAgent.indexOf('msie') >= 0 || userAgent.indexOf('trident') >= 0);
    }

    return isIE;
}

function isSafari() {
    var userAgent = window.navigator.userAgent.toLowerCase();
    return (userAgent.indexOf('safari') !== -1 && userAgent.indexOf('chrome') === -1);
}

function isDesktop() {
    var ua = navigator.userAgent;
    return (ua.indexOf('iPhone') === -1 && ua.indexOf('Android') === -1 
        && ua.indexOf('Mobile') === -1 && ua.indexOf('iPad') === -1
        && ua.indexOf('Android') === -1 );
}

function showUnAvailableMessage() {
    document.getElementById("pano").innerHTML = "<br/><br/><br/><center><font size='5'>" +
        "パノラマVRを再生するにはFlash10.1以上、またはCSS3 3DTransformをサポートするブラウザが必要です。" +
        "</font></center>";
}

function showAccessDeniedMessage() {
    document.getElementById("pano").innerHTML = "<br/><br/><br/><center><font size='5'>" +
        "コンテンツにアクセスできません。" +
        "</font></center>";
}

function showiOSDeviceMotionUnavailabelMessage() {
    alert('ジャイロ機能を使用する場合は、iOSの設定画面より「Safari」=>「モーションと画面の向きのアクセス」を有効にしてください。');
}

function hideLoadingIcon() {
    var loadingicon = document.getElementById('loadingIcon');
    if( loadingicon ){
        loadingicon.style.visibility = 'hidden';
    }
}

function getUrlVars() {
    var vars = {};
    var param = location.search.substring(1).split('&');
    for(var i = 0; i < param.length; i++) {
            var keySearch = param[i].search(/=/);
            var key = '';
            if(keySearch != -1) key = param[i].slice(0, keySearch);
            var val = param[i].slice(param[i].indexOf('=', 0) + 1);
            if(key != '') vars[key] = decodeURI(val);
    }
    return vars;
}

function checkReferrer( refererList ) {

    var params = getUrlVars();
    if( params['preview'] ) return;
}

// uuid generator
function generateUuid() {
    // https://github.com/GoogleChrome/chrome-platform-analytics/blob/master/src/internal/identifier.js
    // const FORMAT: string = "xxxxxxxx-xxxx-4xxx-yxxx-xxxxxxxxxxxx";
    var chars = "xxxxxxxx-xxxx-4xxx-yxxx-xxxxxxxxxxxx".split("");
    for (var i = 0, len = chars.length; i < len; i++) {
        switch (chars[i]) {
            case "x":
                chars[i] = Math.floor(Math.random() * 16).toString(16);
                break;
            case "y":
                chars[i] = (Math.floor(Math.random() * 4) + 8).toString(16);
                break;
        }
    }
    var uuid = chars.join("");
    return uuid;
}

// html5 fullscreen api
function requestfullscreen()
{
    var fs = ["requestFullscreen","mozRequestFullScreen","webkitRequestFullscreen","webkitRequestFullScreen","msRequestFullscreen"];

    var elem = document.body;

    for (var i=0; i<fs.length; i++)
    {
        if( elem[fs[i]] )
        {
            elem[fs[i]]();
            break;
        }
    }
}

function copyToClipboard (_text) {
    if (navigator.clipboard) {
      return navigator.clipboard.writeText(_text);
    }
}