gulp

var gulp = require('gulp');
    sass = require('gulp-ruby-sass'),
    autoprefixer = require('gulp-autoprefixer'),
    minifycss = require('gulp-minify-css'),
    jshint = require('gulp-jshint'),
    uglify = require('gulp-uglify'),
    imagemin = require('gulp-imagemin'),
    rename = require('gulp-rename'),
    clean = require('gulp-clean'),
    concat = require('gulp-concat'),
    notify = require('gulp-notify'),
    cache = require('gulp-cache'),
    livereload = require('gulp-livereload'),
    lr = require('tiny-lr'),
    server = lr();

gulp.task('styles', function() {
  return gulp.src('sass/style.scss')
    .pipe(sass({ style: 'expanded' }))
    .pipe(autoprefixer('last 2 version', 'safari 5', 'ie 8', 'ie 9', 'opera 12.1', 'ios 6', 'android 4'))
    .pipe(gulp.dest('css'))
    .pipe(rename({suffix: '.min'}))
    .pipe(minifycss())
    .pipe(gulp.dest('css'))
    .pipe(livereload(server))
    .pipe(notify({ message: 'Styles task complete' }));
});

gulp.task('watch', function() {
  // Watch .scss files
  gulp.watch('sass/**/*.scss', function(event) {
    console.log('File ' + event.path + ' was ' + event.type + ', running tasks...');
    gulp.run('styles');
  });
});

gulp.task('default', ['clean'], function() {
    gulp.run('styles');
});