var gulp = require('gulp');
var livereload = require('gulp-livereload')
var uglify = require('gulp-uglifyjs');
var sass = require('gulp-sass');
var autoprefixer = require('gulp-autoprefixer');
var sourcemaps = require('gulp-sourcemaps');
var imagemin = require('gulp-imagemin');
var pngquant = require('imagemin-pngquant');

const webpack = require('webpack'); 
const webpackStream = require('webpack-stream');
const compiler = require('webpack')



gulp.task('imagemin', function () {
    return gulp.src('./images/*')
        .pipe(imagemin({
            progressive: true,
            svgoPlugins: [{removeViewBox: false}],
            use: [pngquant()]
        }))
        .pipe(gulp.dest('./images'));
});


gulp.task('sass', function () {
  gulp.src('./sass/**/*.scss')
    .pipe(sourcemaps.init())
        .pipe(sass({
            //outputStyle: 'compressed',
            includePaths: ['node_modules/foundation-sites/scss']
        }).on('error', sass.logError))
    .pipe(sourcemaps.write('./'))
    .pipe(gulp.dest('./css'));
});


/*gulp.task('uglify', function() {
  gulp.src('./lib/*.js')
    .pipe(uglify('main.js'))
    .pipe(gulp.dest('./js'))
});*/

gulp.task('packing', function () {
  return gulp
    .src('./lib/*.js')
    .pipe(webpackStream({
        mode: "production",
        plugins: [
            new webpack.ProvidePlugin({
                $: 'jquery',
                jQuery: 'jquery',
                'window.jQuery': 'jquery'
            }),
        ],
        output: {
            filename: "main.js", 
        },
        module: {
        rules: [
            {
              test: /\.css$/,
              use: ['style-loader', 'css-loader']
            }
        ],
        },
    }, compiler, function(err, stats) {
                
    }
    ))
    .pipe(gulp.dest('js/'));
});


gulp.task('watch', function(){
    livereload.listen();

    gulp.watch('./sass/**/*.scss', ['sass']);
    gulp.watch('./lib/*.js', ['packing']);
    gulp.watch(['./css/style.css', './**/*.twig', './js/*.js'], function (files){
        livereload.changed(files)
    });
});