var gulp = require('gulp');
var autoprefixer = require('gulp-autoprefixer');
var cssnano = require('gulp-cssnano');
var jshint = require('gulp-jshint');
var uglify = require('gulp-uglify');
var rename = require('gulp-rename');
var concat = require('gulp-concat');
var notify = require('gulp-notify');
var cache = require('gulp-cache');
var livereload = require('gulp-livereload');
var htmlmin = require('gulp-htmlmin');
var inject = require('gulp-inject');
var del = require('del');
var htmlreplace = require('gulp-html-replace');
var stripDebug = require('gulp-strip-debug');


var filePath = {
  build_dir: './dist'
};

var fontOptions = { };


gulp.task('appJS', function() {
  return gulp.src(['app/js/mdot.js'])
     .pipe(stripDebug())
    .pipe(jshint('.jshintrc'))
    .pipe(jshint.reporter('default'))
    .pipe(concat('app.js'))
      .pipe(uglify({mangle: true, compress: {sequences: true,  // Join consecutive statemets with the “comma operator”
      properties: true,  // Optimize property access: a["foo"] → a.foo
      dead_code: true,  // Discard unreachable code
      drop_debugger: true,  // Discard “debugger” statements
      unsafe: false, // Some unsafe optimizations (see below)
      conditionals: true,  // Optimize if-s and conditional expressions
      comparisons: true,  // Optimize comparisons
      evaluate: true,  // Evaluate constant expressions
      booleans: true,  // Optimize boolean expressions
      loops: true,  // Optimize loops
      unused: true,  // Drop unused variables/functions
      hoist_funs: true,  // Hoist function declarations
      hoist_vars: false, // Hoist variable declarations
      if_return: true,  // Optimize if-s followed by return/continue
      join_vars: true,  // Join var declarations
      cascade: true,  // Try to cascade `right` into `left` in sequences
      side_effects: true,  // Drop side-effect-free statements
      warnings: true,  // Warn about potentially dangerous optimizations/code
      global_defs: {}     // global definitions
    }}))
    .pipe(gulp.dest('dist/js'));
});

gulp.task('vendor', function() {
    return gulp.src(['src/bower_modules/mui/packages/cdn/js/mui.min.js',
                     'src/bower_modules/jquery/dist/jquery.min.js',
                     'src/bower_modules/base64/base64.min.js',
                     'src/bower_modules/underscore/underscore-min.js',
                     'src/bower_modules/backbone/backbone-min.js',
                     'src/bower_modules/sugarjs-date/sugar-date.min.js',
                     'src/bower_modules/notification-js/build/notification.min.js',
                     'src/bower_modules/amstock3/amcharts/amcharts.js',
                     'src/bower_modules/amstock3/amcharts/serial.js',
                     'src/bower_modules/amstock3/amcharts/amstock.js'
])
        .pipe(concat('vendor.js'))
        .pipe(uglify({mangle: false}))
        .pipe(gulp.dest('dist/js'));
  });



gulp.task('styles', function() {
    return gulp.src(['src/bower_modules/mui/packages/cdn/css/mui.min.css','app/css/test.css','app/css/style.css','src/bower_modules/notification-js/build/notification.min.css'])
        .pipe(autoprefixer('last 2 version', 'safari 5', 'ie 8', 'ie 9', 'opera 12.1', 'ios 6', 'android 4'))
        .pipe(cssnano())
        .pipe(concat('app.css'))
        .pipe(gulp.dest('dist/css'));
  });


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

    return gulp.src(['app/index.html'])
        .pipe(htmlreplace({
          mui: 'css/custom.css',
          css: 'css/app.css',
          js: 'js/app.js',
          vendor: 'libs/vendor.js'

        }))
        .pipe(htmlmin({removeComments: true, collapseWhitespace: true, keepClosingSlash: true}))

        .pipe(gulp.dest('dist/'));
  });


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

  gulp.src(['app/fav/**/*']).pipe(gulp.dest('dist/fav'));
  gulp.src(['app/lib/images/**/*']).pipe(gulp.dest('dist/amcharts/images'));
  //    Gulp.src(['app/libs/ejs_production.js']).pipe(gulp.dest('dist/libs'));
  //    gulp.src(['app/libs/microevent.js']).pipe(gulp.dest('dist/libs'));
  //gulp.src(['app/fav/**/*']).pipe(size({title: 'Partials'})).pipe(gulp.dest('dist/fav'));
  gulp.src(['app/gfx/**/*']).pipe(gulp.dest('dist/gfx'));
});

gulp.task('copy', function() {
  return gulp.src(['app/**/*'])
    .pipe(gulp.dest('dist'));
});

gulp.task('buildJS', function() {
  gulp.start('appJS','vendor');
});

gulp.task('clean', function() {
  return del(['dist']);
});


gulp.task('normal', ['clean'], function() {
  'use strict';
  gulp.start('copy', 'sloc','watch');
});

gulp.task('default', ['clean'], function() {
  gulp.start('buildJS','styles','index','partials');
});

gulp.task('watch',function() {
  gulp.watch('app/**/*',['copy']);

});

gulp.task('MUIWatcher', function() {
  'use strict';
  gulp.start('customMUI','watchMUI');
});

gulp.task('watchMUI',function() {
  gulp.watch('app/css/custom.scss',['customMUI']);

});