/* 
_    _            _    _              ______            _ _                _    
| |  | |          | |  (_)             |  ___|          | | |              | |   
| |  | | ___  _ __| | ___ _ __   __ _  | |_ ___  ___  __| | |__   __ _  ___| | __
| |/\| |/ _ \| '__| |/ / | '_ \ / _` | |  _/ _ \/ _ \/ _` | '_ \ / _` |/ __| |/ /
\  /\  / (_) | |  |   <| | | | | (_| | | ||  __/  __/ (_| | |_) | (_| | (__|   < 
 \/  \/ \___/|_|  |_|\_\_|_| |_|\__, | \_| \___|\___|\__,_|_.__/ \__,_|\___|_|\_\
                                 __/ |                                           
                                |___/                                            
                                                                                  
Embedded Review Feed for Websites
Copyright (C) Cade Directories Limited
Version 2.0.0L

Disclaimer:
THIS SOFTWARE IS PROVIDED “AS IS” AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, 
THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. 
IN NO EVENT SHALL THE SOFTWARE OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, 
SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF 
SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED 
AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE 
OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY 
OF SUCH DAMAGE.

*/

var browserConsole = window.console || {
    "log": function( dummy ) { }, 
    "warn": function( dummy ) { }, 
    "error": function( dummy ) { }, 
    "info": function( dummy ) { }, 
};

(function( ) { 
    
    if ( !document.querySelector ) { 
        browserConsole.error('Working Feedback: The reviewfeed does not include support for browsers older than IE8 and will not show.');
        return false;
    }

    let scriptElement = document.currentScript || document.querySelector('script.WorkingFeedbackScript_ReviewFeed');

    if ( !scriptElement ) { 
        browserConsole.error('Working Feedback: The review feed <script> tag could not be detected on this browser, so this feature will not show.');
        return false;
    }

    var attachTo = document.getElementsByTagName('head')[0] || document.getElementsByTagName('body')[0];

    // Listen to message from child iFrame
    var eventMethod = window.addEventListener ? "addEventListener" : "attachEvent";
    var eventer = window[eventMethod];
    var messageEvent = eventMethod == "attachEvent" ? "onmessage" : "message";    
    eventer(messageEvent, receiveWFReviewFeedMessage, false);

    // Feature-specific CSS styling
    var Components_Style1 = document.createElement("link");
    Components_Style1.setAttribute("rel", "stylesheet")
    Components_Style1.setAttribute("type", "text/css")
    Components_Style1.setAttribute("href", 'https://features.workingfeedback.co.uk/web-feature-assets/review-feed/outside-frame.css');
    attachTo.appendChild(Components_Style1);

    // Container DIV
    var featureContainer = document.createElement('div');
    featureContainer.id = 'WorkingFeedback_ReviewFeed_Container';
    featureContainer.classList.add('WorkingFeedback-FeatureContainer');
    scriptElement.parentNode.insertBefore(featureContainer, null);
    
    // iFrame container for this particular web feature
    var featureIframe = document.createElement('iframe');
    featureIframe.id = 'WorkingFeedback_ReviewFeed_IFrame';    
        let referer = '';
            featureIframe.setAttribute('src', 'https://features.workingfeedback.co.uk/review-feed/9253422/content?referer=' + referer + '');
        featureIframe.setAttribute('frameborder', '0');
    featureIframe.setAttribute('scrolling', 'no');
    featureIframe.setAttribute('title', 'Customer reviews powered by Working Feedback');
    featureContainer.insertBefore(featureIframe, null);

    browserConsole.log('Working Feedback: Reviews feed loaded.');
    
    return false;

})();

var wfReviewFeedLastHeight = 0;

function receiveWFReviewFeedMessage(message)
{      
    if ( message.origin == 'https://features.workingfeedback.co.uk' || message.origin == 'https://features.workingfeedback.co.nz' || message.origin == 'https://features.workingfeedback.ie' ) 
    {
        if ( typeof(message.data) === 'string' && message.data.indexOf('reviewfeed:') > -1 )
        {
            var messageData = message.data.replace('reviewfeed:', '');
            //browserConsole.log('FEED Received postMessage in parent: ' + messageData);
            if ( wfReviewFeedLastHeight !== messageData )
            {
                document.getElementById('WorkingFeedback_ReviewFeed_IFrame').style.height = messageData + "px";            
                wfReviewFeedLastHeight = messageData;
            }
        }
    }
}