var gulp = require('gulp');

var gutil = require('gulp-util')

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

//var flatten = require('gulp-flatten');

//var uglify = require('gulp-uglify');

//var clean = require('gulp-clean');

//var rename = require('gulp-rename');

//var filesize = require('gulp-filesize');

//var cssmin  = require('gulp-cssmin');

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

  return gulp.src('build', {read: false})

    .pipe(clean());

});

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('app.js'))

        .pipe(gulp.dest('./build'))

        .pipe(plugins.filesize())

        .pipe(plugins.uglify())

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

        .pipe(gulp.dest('./build'))

        .pipe(plugins.filesize())

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

});

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

    //combine all template files of the app into a js file

    gulp.src(['!./app/index.html',

        './app/**/*.html'])

        .pipe(plugins.angularTemplatecache('templates.js',{standalone:true}))

        .pipe(gulp.dest('./build'));

});

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

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

//        .pipe(plugins.csslint())

//        .pipe(plugins.csslint.reporter())

        .pipe(plugins.concat('app.css'))

        .pipe(gulp.dest('./build'))

        .pipe(plugins.filesize())

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

        .pipe(plugins.rename('app.min.css'))

        .pipe(gulp.dest('./build'))

        .pipe(plugins.filesize());

});

var vendorJSsrc = [

  '!./bower_components/**/*.min.js',

  '!./bower_components/bootstrap/Gruntfile.js',

  '!./bower_components/bootstrap/grunt/*',

  '!./bower_components/bootstrap/js/*',

  '!./bower_components/jquery/src/**/*',

  '!./bower_components/angular-bootstrap/ui-bootstrap.js',

  './bower_components/jquery/dist/jquery.js',

  './bower_components/**/*.js'

];

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

    //concatenate vendor JS files

    gulp.src(vendorJSsrc)

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

        .pipe(gulp.dest('./build'))

        .pipe(plugins.filesize())

        .pipe(plugins.uglify())

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

        .pipe(gulp.dest('./build'))

        .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('lib.css'))

        .pipe(gulp.dest('./build'))

        .pipe(plugins.filesize())

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

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

        .pipe(gulp.dest('./build'))

        .pipe(plugins.filesize());

});

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

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

        .pipe(plugins.flatten())

        .pipe(gulp.dest('./build/fonts'));

});

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

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

        .pipe(gulp.dest('./build'));

});

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

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

        .pipe(gulp.dest('./build/data'));

});

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

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

        .pipe(gulp.dest('./build/img'));

});

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

    gulp.watch([

        'build/**/*.html',

        'build/**/*.js',

        'build/**/*.css'

    ], function(event) {

        return gulp.src(event.path)

            .pipe(plugins.connect.reload());

    });

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

    gulp.watch(['!./app/index.html','./app/**/*.html'],['templates']);

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

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

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

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

});

gulp.task('connect', plugins.connect.server({

    root: ['build'],

    port: 9000,

    livereload: true

}));

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