var gulp = require('gulp');
var config = require('../config');
var merge = require('merge-stream');
var babel = require('gulp-babel');
var uglify = require('gulp-uglify');
var concat = require('gulp-concat');
var plumber = require('gulp-plumber');
var gutil = require('gulp-util');
var gulpif = require('gulp-if');
var environment = (process.env.NODE_ENV && process.env.NODE_ENV.trim().toLowerCase()) || 'development';
//environment = 'production';
var isProduction = environment === 'production';
console.log(isProduction);
var onError = function(err) {
    gutil.beep();
    gutil.log(gutil.colors.red(err.message));
    this.emit('end');
};

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



    var core = gulp.src([config.BASEPATH + 'lib/js/utility/**/*.js', config.BASEPATH + 'lib/js/core/**/*.js'])
        .pipe(plumber({
            errorHandler: onError
        }))
        .pipe(babel({
            presets: ['env']
        }))
        .pipe(gulpif(isProduction, uglify({
            compress: {
                drop_debugger: true
            }
        })))
        .pipe(concat('core.bundle.js'))

        .pipe(gulp.dest(config.BASEPATH + '../wp-content/themes/zaklada/frontend/js'));

    var vendor = gulp.src(config.BASEPATH + 'lib/js/vendor/**/*.min.js')

        .pipe(gulp.dest(config.BASEPATH + '../wp-content/themes/zaklada/frontend/js/vendor'));

    var vendorjoined = gulp.src(config.BASEPATH + 'lib/js/vendor/**/*.min.js')
        .pipe(gulpif(isProduction, uglify({
            compress: {
                drop_debugger: true
            }
        })))
        .pipe(concat('vendor.bundle.js'))

        .pipe(gulp.dest(config.BASEPATH + '../wp-content/themes/zaklada/frontend/js/vendor'));


    var vendorCSS = gulp.src(config.BASEPATH + 'lib/js/vendor/**/*.css')
        .pipe(gulp.dest(config.BASEPATH + '../wp-content/themes/zaklada/frontend/js/vendor'));

    return merge( core, vendor, vendorjoined, vendorCSS);
});