//Luka Martinov - gulpfile.js
var gulp         = require('gulp');
// plugin
var autoprefixer = require('gulp-autoprefixer');
var concat       = require('gulp-concat');
var cssnano      = require('gulp-cssnano');
var plumber      = require('gulp-plumber');
var rename       = require("gulp-rename");
var sass         = require('gulp-sass');
var uglify       = require('gulp-uglify');

gulp.task('write-sass', function() {
    gulp.src('sass/fer-scss.scss')
        .pipe(sass({ outputStyle: 'expanded' }).on('error', sass.logError))  
        .pipe(rename('fer-style.css'))
        .pipe(autoprefixer({browsers: ['last 3 versions']}))
        .pipe(gulp.dest('./css'));
});

gulp.task('compress-css', function() {
    return gulp.src(['css/reset.css', 'css/bootstrap.css', 'css/fontello.css', 'css/mean-menu.css', 'css/fer-style.css', 'css/swiper.min.css', 'css/magnific-popup.css'])
        .pipe(concat('style.css'))
        .pipe(plumber())
        .pipe(cssnano())      
        .pipe(gulp.dest('compress/css'));
});

gulp.task('compress-js', function() {
	return gulp.src(['js/jquery.cookiebar.js', 'js/jquery.meanmenu.js', 'js/jquery.cycle2.min.js', 'js/jquery.cycle2.swipe.min.js', 'js/jquery.swiper.min.js', 'js/jquery.magnific-popup.min.js'])
  		.pipe(concat('script.js'))
        .pipe(plumber())
        .pipe(uglify())
        .pipe(gulp.dest('compress/js'));
});

gulp.task('watch', function() {
    gulp.watch('sass/*.scss', ['write-sass']);
    gulp.watch('css/*.css', ['compress-css']);
    gulp.watch('js/*.js', ['compress-js']);
});

gulp.task('default', ['write-sass', 'compress-css', 'compress-js', 'watch']);