/**
 * Filter for constructing scaled image URL of 150 px width.
 */
angular.module('kalgudiApp').filter('imgScale150', 
['$filter','$rootScope',
    function($filter, $rootScope) {
    
    return function getScaledImage(url) {
        // Dont execute function if url is not a valid url
        if(typeof url === 'undefined' || url == null || url === '')
            return url;

        var filePath = url.substr(0, url.lastIndexOf("/") + 1);
        var fileName = url.substr(url.lastIndexOf("/") + 1, url.length);
        var timeStamp = "";

        // Constant for 400x400 image size url
        var SCALED_IMAGE_SUFFIX = "_150x150";
        var width = 150;
        var height = 150;
        
        if (fileName.lastIndexOf("?")>-1){
            // Storing sufix timestamp to request newly uploaded image
            timeStamp = fileName.substring(fileName.lastIndexOf("?"), fileName.length);
            
            fileName = fileName.substring(0, fileName.lastIndexOf("?"));
        }
        if (fileName.lastIndexOf(".") > -1) {
            var nameBeforeImageType = fileName.substring(0, fileName.lastIndexOf("."));
        
            fileName = fileName.replace(nameBeforeImageType, nameBeforeImageType + "_" + width + "x" + height);
        } else {
            fileName = fileName + SCALED_IMAGE_SUFFIX;
        }

        return filePath + fileName + timeStamp;
    }
}]);



/**
 * Filter for constructing scaled image URL of 540 px width.
 */
angular.module('kalgudiApp').filter('imgScale540', 
['$filter','$rootScope',
    function($filter, $rootScope) {
    
    return function getScaledImage(url) {
        // Dont execute function if url is not a valid url
        if(typeof url === 'undefined' || url == null || url === '')
            return url;

        var filePath = url.substr(0, url.lastIndexOf("/") + 1);
        var fileName = url.substr(url.lastIndexOf("/") + 1, url.length);

        // Constant for 400x400 image size url
        var SCALED_IMAGE_SUFFIX = "_540x400";
        var width = 540;
        var height = 400;
        
        if (fileName.lastIndexOf("?")>-1)
            fileName = fileName.substring(0, fileName.lastIndexOf("?"));
        
        if (fileName.lastIndexOf(".") > -1) {
            var nameBeforeImageType = fileName.substring(0, fileName.lastIndexOf("."));
        
            fileName = fileName.replace(nameBeforeImageType, nameBeforeImageType + "_" + width + "x" + height);
        } 
        else
            fileName = fileName + SCALED_IMAGE_SUFFIX;


        return filePath + fileName;
    }
}]);

angular.module('kalgudiApp').filter('buildUrl', 
['$filter','$rootScope',
    function($filter, $rootScope) {
    return function getProductionUrl(url) {
        // Dont execute function if url is not a valid url
        if(typeof url === 'undefined' || url == null || url === '')
            return url;

       if(env.isProduction) {
           url = 'https://kalgudi.com'+ url;
       }
        return url
    }
}]);