source: frontend/node_modules/relateurl/lib/relate/absolutize.js

"use strict";

var findRelation = require("./findRelation");
var objUtils     = require("../util/object");
var pathUtils    = require("../util/path");



function absolutize(urlObj, siteUrlObj, options)
{
        findRelation.upToPath(urlObj, siteUrlObj, options);
        
        // Fill in relative URLs
        if (urlObj.extra.relation.minimumScheme) urlObj.scheme = siteUrlObj.scheme;
        if (urlObj.extra.relation.minimumAuth)   urlObj.auth   = siteUrlObj.auth;
        if (urlObj.extra.relation.minimumHost)   urlObj.host   = objUtils.clone(siteUrlObj.host);
        if (urlObj.extra.relation.minimumPort)   copyPort(urlObj, siteUrlObj);
        if (urlObj.extra.relation.minimumScheme) copyPath(urlObj, siteUrlObj);
        
        // Check remaining relativeness now that path has been copied and/or resolved
        findRelation.pathOn(urlObj, siteUrlObj, options);
        
        // Fill in relative URLs
        if (urlObj.extra.relation.minimumResource) copyResource(urlObj, siteUrlObj);
        if (urlObj.extra.relation.minimumQuery)    urlObj.query = objUtils.clone(siteUrlObj.query);
        if (urlObj.extra.relation.minimumHash)     urlObj.hash  = siteUrlObj.hash;
}



/*
        Get an absolute path that's relative to site url.
*/
function copyPath(urlObj, siteUrlObj)
{
        if (urlObj.extra.relation.maximumHost || !urlObj.extra.hrefInfo.minimumResourceOnly)
        {
                var pathArray = urlObj.path.absolute.array;
                var pathString = "/";
                
                // If not erroneous URL
                if (pathArray)
                {
                        // If is relative path
                        if (urlObj.extra.hrefInfo.minimumPathOnly && urlObj.path.absolute.string.indexOf("/")!==0)
                        {
                                // Append path to site path
                                pathArray = siteUrlObj.path.absolute.array.concat(pathArray);
                        }
                        
                        pathArray   = pathUtils.resolveDotSegments(pathArray);
                        pathString += pathUtils.join(pathArray);
                }
                else
                {
                        pathArray = [];
                }
                
                urlObj.path.absolute.array  = pathArray;
                urlObj.path.absolute.string = pathString;
        }
        else
        {
                // Resource-, query- or hash-only or empty
                urlObj.path = objUtils.clone(siteUrlObj.path);
        }
}



function copyPort(urlObj, siteUrlObj)
{
        urlObj.port = siteUrlObj.port;
        
        urlObj.extra.portIsDefault = siteUrlObj.extra.portIsDefault;
}



function copyResource(urlObj, siteUrlObj)
{
        urlObj.resource = siteUrlObj.resource;
        
        urlObj.extra.resourceIsIndex = siteUrlObj.extra.resourceIsIndex;
}



module.exports = absolutize;