var gulp = require('gulp');
var plugins = require('gulp-load-plugins')({});
var karma = require('karma');
var es = require('event-stream');
var mainBowerFiles = require('main-bower-files');
var exists = require('path-exists').sync
var Q = require('q');
var del = require('del');

var pipes = {};

var paths = {
	appFiles: 'webapp/js/**/*.js',
	cssFiles: 'webapp/css/**/*.css',
	partials: 'webapp/js/**/*.html',
	pages : ['webapp/html/**/*.html', '!webapp/html/index.html'],
	index : 'webapp/html/index.html',
	distDev : 'dist/dev',
	distProd: 'dist/prod'
}


pipes.bowerFiles = function() {
    return gulp.src(mainBowerFiles({
	        overrides : {
		        jquery : {
			        main: []
		        },
		        bootstrap : {
			        main: [
                        "dist/**/*.min.css",
                        './dist/fonts/*.*'
                    ]
		        }
	        }
    }),{base: 'webapp/bower_components'});
}

pipes.bowerFilesMinified = function() {
    return pipes.bowerFiles()
        .pipe(plugins.rename(function (path) {
            testpath = 'webapp/bower_components/' + path.dirname + '/' + path.basename + '.min' + path.extname;
            if (exists(testpath)) {
                path.extname = '.min' + path.extname;
            }
        }));
}

pipes.validatedAppScripts = function() {
	return gulp.src(paths.appFiles)
		.pipe(plugins.jshint())
    	.pipe(plugins.jshint.reporter('jshint-stylish'));
}

pipes.validatedIndex = function() {
	return gulp.src(paths.index)
        .pipe(plugins.htmlhint())
        .pipe(plugins.htmlhint.reporter());
}

pipes.validatedPartials = function() {
	return gulp.src(paths.partials)
        .pipe(plugins.htmlhint({'doctype-first': false}))
        .pipe(plugins.htmlhint.reporter());
}

pipes.validatedPages = function() {
	return gulp.src(paths.pages)
        .pipe(plugins.htmlhint({'doctype-first': false}))
        .pipe(plugins.htmlhint.reporter());
}

pipes.builtIndexDev = function() {
	var vendorFiles = pipes.bowerFilesMinified()
		.pipe(gulp.dest(paths.distDev + '/vendor'));
	var appScript = pipes.validatedAppScripts()
		.pipe(plugins.angularFilesort())
		.pipe(gulp.dest(paths.distDev + '/js'))
	var appStyle = gulp.src(paths.cssFiles)
		.pipe(gulp.dest(paths.distDev + '/css'))

	var partials = pipes.validatedPartials()
		.pipe(gulp.dest(paths.distDev + '/js'))

	var pages = pipes.validatedPages()
		.pipe(gulp.dest(paths.distDev + '/html'))

	return pipes.validatedIndex()
		.pipe(plugins.inject(vendorFiles, {ignorePath: '/'+ paths.distDev, name:'bower'}))
		.pipe(plugins.inject(es.merge(appStyle,partials,pages), {ignorePath: '/'+ paths.distDev}))
		.pipe(plugins.inject(appScript, {ignorePath: '/'+ paths.distDev}))
		.pipe(gulp.dest(paths.distDev));
}


pipes.builtIndexProd = function() {
    var filterJS = plugins.filter('**/*.js',{restore: true});
    var vendorFiles = pipes.bowerFiles()
        .pipe(filterJS)
        .pipe(plugins.concat('vendor.min.js'))
        .pipe(plugins.uglify())
        .pipe(filterJS.restore)
        .pipe(gulp.dest(paths.distProd + '/vendor'));



    var appScript = pipes.validatedAppScripts()
        .pipe(plugins.angularFilesort())
        .pipe(plugins.ngAnnotate())
        .pipe(plugins.concat('app.min.js'))
        .pipe(plugins.uglify())
        .pipe(gulp.dest(paths.distProd + '/js'));

    var appStyle = gulp.src(paths.cssFiles)
        .pipe(plugins.minifyCss())
        .pipe(plugins.rename(function (path) {
            path.extname = '.min'+ path.extname;
        }))
        .pipe(gulp.dest(paths.distProd + '/css'))

    var partials = pipes.validatedPartials()
        .pipe(gulp.dest(paths.distProd + '/js'))

    var pages = pipes.validatedPages()
        .pipe(gulp.dest(paths.distProd + '/html'))

    return pipes.validatedIndex()
        .pipe(plugins.inject(vendorFiles, {ignorePath: '/' + paths.distProd, name : 'bower'}))
        .pipe(plugins.inject(es.merge(appStyle,partials,pages), {ignorePath: '/' + paths.distProd}))
        .pipe(plugins.inject(appScript, {ignorePath: '/' + paths.distProd}))
        .pipe(gulp.dest(paths.distProd));

}


gulp.task('test', function(done) {
    server = new karma.Server({
        configFile: __dirname + '/test/karma.conf.js'
    },function(exitCode) {
		console.log('coucou');
		done(exitCode);
		console.log('coucou');
		process.exit(exitCode);
	});
	server.start();
});


gulp.task('build-dev', pipes.builtIndexDev);

gulp.task('build-prod', pipes.builtIndexProd);

pipes.cleanDir = function(dir) {
}

gulp.task('clean-dev', function() {
    return del([paths.distDev]);
});

gulp.task('clean-prod', function() {
    return del([paths.distProd]);
});


gulp.task('clean-build-dev', ['clean-dev'], pipes.builtIndexDev);

gulp.task('clean-build-prod', ['clean-prod'] , pipes.builtIndexProd);

gulp.task('default',['clean-build-prod'])