var gulp = require('gulp');

var del = require('del');

var gutil = require('gulp-util')

var plugins = require("gulp-load-plugins")({lazy:false});

var mainBowerFiles = require('main-bower-files');

var templateFolder = '../../annot-server/webapp/templates/';

var staticFolder = '../../annot-server/static';

var clientBaseName = 'app';

var vendorBaseName = 'lib';

gulp.task('clean', function (cb) {

    del([

        staticFolder + "/css/app*",

        staticFolder + "/js/app*",

        staticFolder + "/data/categories.json",

    ],{'force':true}, cb);

});

var scriptsSrc = ['!./app/**/*_test.js','./app/**/*.js'];

gulp.task('scripts', function(){

    //combine all js files of the app

    gulp.src(scriptsSrc)

        .pipe(plugins.jshint())

        .pipe(plugins.jshint.reporter('default'))

        .pipe(plugins.jshint.reporter('fail'))

        .pipe(plugins.concat(clientBaseName+'.js'))

        .pipe(gulp.dest(staticFolder+'/js'))

        .pipe(plugins.filesize())

        .pipe(plugins.uglify())

        .pipe(plugins.rename(clientBaseName+'.min.js'))

        .pipe(gulp.dest(staticFolder+'/js'))

        .pipe(plugins.filesize())

        .on('error', gutil.log);

});

gulp.task('css', function(){

    gulp.src('./app/**/*.css')

        .pipe(plugins.csslint({ 'box-sizing': false }))

        .pipe(plugins.csslint.reporter())

        .pipe(plugins.concat(clientBaseName+'.css'))

        .pipe(gulp.dest(staticFolder+'/css'))

        .pipe(plugins.filesize())

        .pipe(plugins.minifyCss({keepBreaks:true}))

        .pipe(plugins.rename(clientBaseName+'.min.css'))

        .pipe(gulp.dest(staticFolder+'/css'))

        .pipe(plugins.filesize());

});

gulp.task('vendorJS', function(){

    //concatenate vendor JS files

	return gulp.src(mainBowerFiles())

        .pipe(plugins.concat('lib.js'))

        .pipe(gulp.dest(staticFolder+'/js'))

        .pipe(plugins.filesize())

        .pipe(plugins.uglify())

        .pipe(plugins.rename('lib.min.js'))

        .pipe(gulp.dest(staticFolder+'/js'))

        .pipe(plugins.filesize())

        .on('error', gutil.log);

});

gulp.task('vendorCSS', function(){

    //concatenate vendor CSS files

    gulp.src(['!./bower_components/**/*.min.css',

        './bower_components/**/*.css'])

        .pipe(plugins.concat(vendorBaseName+'.css'))

        .pipe(gulp.dest(staticFolder+'/css'))

        .pipe(plugins.filesize())

        .pipe(plugins.minifyCss({keepBreaks:true}))

        .pipe(plugins.rename(vendorBaseName+'.min.css'))

        .pipe(gulp.dest(staticFolder+'/css'))

        .pipe(plugins.filesize());

});

gulp.task('vendorFonts', function(){

    gulp.src(['./bower_components/**/fonts/*'])

        .pipe(plugins.flatten())

        .pipe(gulp.dest(staticFolder+'/css/fonts'));

});

gulp.task('copy-index', function() {

    gulp.src('./app/annotationclient.html')

        .pipe(gulp.dest(templateFolder));

});

gulp.task('copy-data', function() {

    gulp.src('./data/**/*')

        .pipe(gulp.dest(staticFolder+'/data'));

});

gulp.task('copy-img', function() {

    gulp.src('./img/**/*')

        .pipe(gulp.dest(staticFolder+'/img'));

});

gulp.task('watch',function(){

    gulp.watch([

        templateFolder+'/**/*.html',

        staticFolder+'/**/*.js',

        staticFolder+'/**/*.css'

    ], function(event) {

        return gulp.src(event.path)

            .pipe(plugins.webserver.reload());

    });

    gulp.watch(['./app/**/*.js','!./app/**/*test.js'],['scripts']);

    gulp.watch('./app/**/*.css',['css']);

    gulp.watch('./app/annotationclient.html',['copy-index']);

    gulp.watch('./data/**/*',['copy-data']);

    gulp.watch('./img/**/*',['copy-img']);

});

gulp.task('connect', function() {

    gulp.src('build').pipe(

        plugins.webserver({

            port: 9000,

            livereload: true

        })

    );

});

gulp.task('default',['scripts','css','copy-index','copy-data','copy-img','vendorJS','vendorCSS','vendorFonts']);