var gulp = require('gulp');
var sourcemaps = require('gulp-sourcemaps');
var coffee = require('gulp-coffee');
var insert = require('gulp-insert');
var uglify = require('gulp-uglify-es').default;
var concat = require('gulp-concat');

var paths = {
  coffee: 'client/scripts/**/*.coffee',
  lib: 'client/lib/**/*.js',
  images: 'client/img/**/*',
  dest: 'static',
  maps: 'maps'
};

gulp.task('coffee', function(){
  return gulp.src(paths.coffee)
    .pipe(sourcemaps.init())
      .pipe(concat('app.min.js'))
      .pipe(coffee({bare: true}))
      .pipe(insert.transform(function(contents, file) {
        return '$(function () {' + contents + '});';
      }))
      .pipe(uglify())
    .pipe(sourcemaps.write(paths.maps))
    .pipe(gulp.dest(paths.dest))
});

gulp.task('lib', function(){
  return gulp.src(paths.lib)
    .pipe(sourcemaps.init())
      .pipe(concat('lib.min.js'))
    .pipe(sourcemaps.write(paths.maps))
    .pipe(gulp.dest(paths.dest))
});

gulp.task('default', [ 'coffee', 'lib' ]);