'use strict';
var test = require('tape'),
		Vinyl = require('vinyl'),
		gulpUglyfly = require('../'),
		uglyflyjs = require('uglyfly-js'),
		concat = require('gulp-concat'),
		sourcemaps = require('gulp-sourcemaps');

var testContents1Input = '(function(first, second) {\n    console.log(first + second);\n}(5, 10));\n';
uglyflyjs.minify(testContents1Input, {fromString: true}, function (err, results) {
	var testContents1Expected = results.code;

	var testContents2Input = '(function(alert) {\n    alert(5);\n}(alert));\n';
	uglyflyjs.minify(testContents2Input, {fromString: true}, function (err2, results2) {
		var testContents2Expected = results2.code;

		uglyflyjs.minify(testContents1Expected + testContents2Input, {fromString: true}, function (err3, results3) {
			var testConcatExpected = results3.code;


			test('should minify files', function(t) {
				t.plan(11);

				var testFile1 = new Vinyl({
					cwd: "/home/terin/broken-promises/",
					base: "/home/terin/broken-promises/test",
					path: "/home/terin/broken-promises/test/test1.js",
					contents: new Buffer(testContents1Input)
				});

				var sm = sourcemaps.init();
				var mangled = sm.pipe(gulpUglyfly());

				mangled.on('data', function(newFile) {
					t.ok(newFile, 'emits a file');
					t.ok(newFile.path, 'file has a path');
					t.ok(newFile.relative, 'file has relative path information');
					t.ok(newFile.contents, 'file has contents');

					t.ok(newFile.contents instanceof Buffer, 'file contents are a buffer');

					t.equals(String(newFile.contents), testContents1Expected);

					t.ok(newFile.sourceMap, 'has a source map');
					t.equals(newFile.sourceMap.version, 3, 'source map has expected version');
					t.ok(Array.isArray(newFile.sourceMap.sources), 'source map has sources array');
					t.ok(Array.isArray(newFile.sourceMap.names), 'source maps has names array');
					t.ok(newFile.sourceMap.mappings, 'source map has mappings');
				});

				sm.write(testFile1);
				sm.end();
			});

			test('should merge source maps correctly', function(t) {
				t.plan(12);

				var testFile1 = new Vinyl({
					cwd: "/home/terin/broken-promises/",
					base: "/home/terin/broken-promises/test",
					path: "/home/terin/broken-promises/test/test1.js",
					contents: new Buffer(testContents1Input)
				});

				var testFile2 = new Vinyl({
					cwd: "/home/terin/broken-promises/",
					base: "/home/terin/broken-promises/test",
					path: "/home/terin/broken-promises/test/test2.js",
					contents: new Buffer(testContents2Input)
				});

				var sm = sourcemaps.init();
				var ct = sm.pipe(concat('all.js'));
				var mangled = ct.pipe(gulpUglyfly());

				mangled.on('data', function(newFile) {
					t.ok(newFile, 'emits a file');
					t.ok(newFile.path, 'file has a path');
					t.ok(newFile.relative, 'file has relative path information');
					t.ok(newFile.contents, 'file has contents');

					t.ok(newFile.contents instanceof Buffer, 'file contents are a buffer');

					t.equals(String(newFile.contents), testConcatExpected);

					t.ok(newFile.sourceMap, 'has a source map');
					t.equals(newFile.sourceMap.version, 3, 'source map has expected version');
					t.ok(Array.isArray(newFile.sourceMap.sources), 'source map has sources array');
					t.deepEquals(newFile.sourceMap.sources, ['test1.js', 'test2.js'], 'sources array has the inputs');
					t.ok(Array.isArray(newFile.sourceMap.names), 'source maps has names array');
					t.ok(newFile.sourceMap.mappings, 'source map has mappings');
				});

				sm.write(testFile1);
				sm.write(testFile2);
				sm.end();
			});

			test('should not remember source maps across files', function(t) {
				t.plan(26);

				var testFile1 = new Vinyl({
					cwd: "/home/terin/broken-promises/",
					base: "/home/terin/broken-promises/test",
					path: "/home/terin/broken-promises/test/test1.js",
					contents: new Buffer(testContents1Input)
				});
				testFile1.sourceMap = {
					version: 3,
					file: 'test1.js',
					sourceRoot: '',
					sources: [ 'test1.ts' ],
					sourcesContent: ['(function(first, second) { console.log(first + second) }(5, 10))'],
					names: [],
					mappings: 'AAAA,CAAC,UAAS,KAAK,EAAE,MAAM;IAAI,OAAO,CAAC,GAAG,CAAC,KAAK,GAAG,MAAM,CAAC;AAAC,CAAC,CAAC,CAAC,EAAE,EAAE,CAAC,CAAC'
				};
				var testFile1SourcesContent = [].slice.call(testFile1.sourceMap.sourcesContent);

				var testFile2 = new Vinyl({
					cwd: "/home/terin/broken-promises/",
					base: "/home/terin/broken-promises/test",
					path: "/home/terin/broken-promises/test/test2.js",
					contents: new Buffer(testContents2Input)
				});
				testFile2.sourceMap = {
					version: 3,
					file: 'test2.js',
					sourceRoot: '',
					sources: [ 'test2.ts' ],
					sourcesContent: ['(function(alert) { alert(5); }(alert))'],
					names: [],
					mappings: 'AAAA,CAAC,UAAS,KAAK;IAAI,KAAK,CAAC,CAAC,CAAC;AAAE,CAAC,CAAC,KAAK,CAAC,CAAC'
				};
				var testFile2SourcesContent = [].slice.call(testFile2.sourceMap.sourcesContent);

				var mangled = gulpUglyfly();

				mangled.on('data', function(newFile) {
					t.ok(newFile, 'emits a file');
					t.ok(newFile.path, 'file has a path');
					t.ok(newFile.relative, 'file has relative path information');
					t.ok(newFile.contents, 'file has contents');

					t.ok(newFile.contents instanceof Buffer, 'file contents are a buffer');

					if (/test1\.js/.test(newFile.path)) {
						t.equals(String(newFile.contents), testContents1Expected);
						t.deepEquals(newFile.sourceMap.sources, ['test1.ts']);
						t.deepEquals(testFile1SourcesContent, newFile.sourceMap.sourcesContent);
					} else if (/test2\.js/.test(newFile.path)) {
						t.equals(String(newFile.contents), testContents2Expected);
						t.deepEquals(newFile.sourceMap.sources, ['test2.ts']);
						t.deepEquals(testFile2SourcesContent, newFile.sourceMap.sourcesContent);
					}

					t.ok(newFile.sourceMap, 'has a source map');
					t.equals(newFile.sourceMap.version, 3, 'source map has expected version');
					t.ok(Array.isArray(newFile.sourceMap.sources), 'source map has sources array');
					t.ok(Array.isArray(newFile.sourceMap.names), 'source maps has names array');
					t.ok(newFile.sourceMap.mappings, 'source map has mappings');
				});

				mangled.write(testFile1);
				mangled.write(testFile2);
				mangled.end();
			});
		});
	});
});