var gulp = require('gulp');
var plumber = require('gulp-plumber');
var sourcemaps = require('gulp-sourcemaps');
var htmlMinify = require('gulp-minify-html')
var sass = require('gulp-sass');
var autoprefixer = require('gulp-autoprefixer');
var cssMinify = require('gulp-minify-css');
var concat = require('gulp-concat');
var uglify = require('gulp-uglify');

/*=============================
=           Paths            =
=============================*/

var paths = {
    src: 'src/',
    dest: 'dest/'
}

/*======================================
=            Error Handling            =
======================================*/

var onError = function (err) {
    console.log(err);
    this.emit('end');
}

/*=============================
=            Tasks            =
=============================*/

gulp.task('html', function () {
    gulp.src(paths.src + 'views')
        .pipe(plumber({ errorHandler: onError }))
        .pipe(htmlMinify())
        .pipe(gulp.dest(paths.dest + 'views'))
});

gulp.task('css', function () {
    gulp.src(paths.src + 'scss')
        .pipe(plumber({ errorHandler: onError }))
        .pipe(sourcemaps.init())
            .pipe(sass())
            .pipe(autoprefixer())
            .pipe(cssMinify())
        .pipe(sourcemaps.write())
        .pipe(gulp.dest(paths.dest + 'css'))
});

gulp.task('js', function () {
    gulp.src(paths.src + 'js')
        .pipe(plumber({ errorHandler: onError }))
        .pipe(sourcemaps.init())
            .pipe(concat('client.min.js'))
            .pipe(uglify())
        .pipe(sourcemaps.write())
        .pipe(gulp.dest(paths.dest + 'js'))
});