var debug        = require('debug')('ff:tcrud:build:server:api:url');
var configTCrud  = require('./tcrud-config');

var mod = (function () {
	
	var createSlugApi = function(pluginId,postfix,slugType) {
		var troot = configTCrud.getRootTEntity();
		var pluginSlug = pluginId;
		if (troot.tmeta.tplugin[pluginId] !== undefined && troot.tmeta.tplugin[pluginId].tslug !== undefined) {
			pluginSlug = troot.tmeta.tplugin[pluginId].tslug;
		}
		var result = troot.tmeta.tserver.tslugs.tbase+
			'/'+troot.tmeta.tserver.tslugs[slugType]+
			'/'+pluginSlug;
		if (postfix) {
			result +='/'+postfix;
		}
		debug('createSlugApi plugin: '+pluginId+' result: '+result);
		return result;
	};
	
	var createSlugApiTEntityAction = function(pluginId,tview, action) {
		var uriEntity = tview.tmeta.tserver.tslugs.tentity;
		var uriView = tview.tslug;
		var uriTech = tview.tmeta.tplugin[pluginId].tslug;
		var uriAction = '';
		if (action) {
			uriAction = '/' + tview[action].tplugin[pluginId].tslug;
		}
		//debug('createBaseApiUri uriTech: '+uriTech+' uriView: '+uriView+' uriAction: '+uriAction);
		if (tview.tmeta.tserver.tpopfix) {
			return uriEntity + '/' + uriTech + '/' + uriView + uriAction;
		} else {
			return uriEntity + '/' +uriView + '/' + uriTech + uriAction;
		}
	};
	
	return function BuildServerApiUrl() {
		
		this.createSlugApiServerBase = function(pluginId,postfix) {
			return createSlugApi(pluginId,postfix,'tserver');
		};

		this.createSlugApiPluginBase = function(pluginId,postfix) {
			return createSlugApi(pluginId,postfix,'tplugin');
		};
		
		this.createSlugApiTEntityBase = function(pluginId,tview,action) {
			var troot = configTCrud.getRootTEntity();
			return troot.tmeta.tserver.tslugs.tbase+'/'+createSlugApiTEntityAction(pluginId,tview,action);
		};
		
		this.createSlugApiTEntity = function(pluginId,tview,action) {
			return createSlugApiTEntityAction(pluginId,tview,action);
		};
	};
})();

module.exports = new mod();