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var gulp = require('gulp');
var browserify = require('browserify');
var source = require('vinyl-source-stream');
var utilities = require('gulp-util');
var concat = require('gulp-concat');
var jshint = require ('gulp-jshint');
var del = require('del');
var uglify = require('gulp-uglify');
var browserSync = require('browser-sync').create();
var sass = require('gulp-sass')
var sourcemaps = require('gulp-sourcemaps')
var lib = require('bower-files')({
  "overrides":{
    "bootstrap" : {
      "main": [
        "less/bootstrap.less",
        "dist/css/bootstrap.css",
        "dist/js/bootstrap.js"
      ]
    }
  }
});
var buildProduction = utilities.env.production;


gulp.task('jsBower', function () {
  return gulp.src(lib.ext('js').files)
    .pipe(concat('vendor.min.js'))
    .pipe(uglify())
    .pipe(gulp.dest('./build/js'));
});

gulp.task('cssBower', function () {
  return gulp.src(lib.ext('css').files)
    .pipe(concat('vendor.css'))
    .pipe(gulp.dest('./build/css'));
});

gulp.task('jshint', function(){
  return gulp.src(['js/*.js'])
  .pipe(jshint())
  .pipe(jshint.reporter('default'));
});

gulp.task('concatInterface', function(){
  return gulp.src(['./js/*-interface.js'])
  .pipe(concat('allConcat.js'))
  .pipe(gulp.dest('./tmp'));
})

gulp.task('jsBrowserify', ["concatInterface"], function(){
  return browserify({entries: ['./js/simon-interface.js']})
  .bundle()
  .pipe(source('app.js'))
  .pipe(gulp.dest('./build/js'))
});

gulp.task("minifyScripts", ["jsBrowserify"], function() {
  return gulp.src("./build/js/app.js")
    .pipe(uglify())
    ,pipe(gulp.dest("./build/js"));
});

gulp.task("build", ['clean'], function() {
  if (buildProduction) {
    gulp.start('minifyScripts');
  } else {
    gulp.start('jsBrowserify');
  }
  gulp.start('bower');
  gulp.start('cssBuild');
});

gulp.task("clean", function() {
  return del(['build', 'tmp']);
});

gulp.task('bower', ['jsBower', 'cssBower']);

gulp.task('serve', ['build'], function() {
  browserSync.init({
    server: {
      baseDir: "./",
      index: "index.html"
    }
  });
  gulp.watch(['js/*.js'], ['jsBuild']);
  gulp.watch(['bower.json'], ['bowerBuild']);
  gulp.watch(['*.html'], ['htmlBuild']);
  gulp.watch(['scss/*.scss'], ['cssBuild']);

});
gulp.task('bowerBuild', ['bower'], function(){
  browserSync.reload();
});
gulp.task('htmlBuild', function(){
  browserSync.reload();
});
gulp.task('jsBuild', ['jsBrowserify', 'jshint'], function(){
  browserSync.reload();
});

gulp.task('cssBuild', function(){
  return gulp.src('scss/*.scss')
  .pipe(sourcemaps.init())
  .pipe(sass())
  .pipe(sourcemaps.write())
  .pipe(gulp.dest('./build/css'))
  .pipe(browserSync.stream());
})