'use strict';

var u       = require('underscore');
var fs      = require('fs-extra');
var assert  = require("assert");
var assets  = require("../lib/node-ff-assets");

function createTestConfig(suite,type) {
	
	var inputFile0 = 'test/data/'+suite.title+'/'+type+'/input0.'+type;
	fs.ensureFileSync(inputFile0);
	fs.appendFile(inputFile0,'\n// input0__'+suite.title+'__'+type);
	var inputFile1 = 'test/data/'+suite.title+'/'+type+'/input1.'+type;
	fs.ensureFileSync(inputFile1);
	fs.appendFile(inputFile1,'\n// input0__'+suite.title+'__'+type);
	
	return function (callback) {
		var linkMapping = {};
		linkMapping['/static-test/'+type+'/'] = 'test/data/'+suite.title+'/'+type+'/';
		callback(null, {
			linkMapping: linkMapping,
			linkTarget:   '/static-test/'+type+'/output.'+type,
			linkSources: [
			              '/static-test/'+type+'/input0.'+type,
			              '/static-test/'+type+'/input1.'+type,
			              ],
			assetType: type,
		});
	}
}

function createTestBuilder(suite) {
	var testConfig = {
		assemblerFill: function (assembler, callback) {
			var serverResultKey = 'ff_assets_'+assembler.config.assetType;
			assembler.on ('log',function (logLevel, logMessage) {
				var level = (logLevel+'      ').substring(0,6);
				console.log('                 '+ level + ' ' + suite.title + ' assembler ' +logMessage); // == -2 space from asm
			});
			callback();
		},
		assets: {
			js: {
				configCreate: createTestConfig(suite,'js'),
			},
			css: {
				configCreate: createTestConfig(suite,'css'),
			}
		}
	};
	var assetsBuilder = new assets.AssetsBuilder(testConfig);
	assetsBuilder.on ('log',function (logLevel, logMessage) {
		var level = (logLevel+'      ').substring(0,6);
		console.log('                 '+ level + ' ' + suite.title + ' builder   ' +logMessage); // == -1 space from asm
	});
	return assetsBuilder;
}

describe('lib/assets-builder.js', function() {

	describe('config-null', function() {
		this.timeout(10000);
		try {
			new assets.AssetsBuilder();
			assert.ok(false);
		} catch (err) {
			assert.ok(err !== undefined);
		}
	});
	
	describe('run-all', function() {
		this.timeout(10000);
		var assetsBuilder = createTestBuilder(this);
		it('run builder and check output', function (done) {
			assetsBuilder.runAll(function (err) {
				if (err) {
					done(err);
					return;
				}
				var outputFileJs = 'test/data/run-all/js/output.js';
				var outputFileCss = 'test/data/run-all/css/output.css';
				try {
					assert.ok(true);
					assert.equal(true, fs.existsSync(outputFileJs));
					assert.equal(true, fs.existsSync(outputFileCss));
					done();
				} catch (err) {
					done(err);
				}
			});
		});
	});
});