/* 
 * Licensed to the Apache Software Foundation (ASF) under one
 * or more contributor license agreements.  See the NOTICE file
 * distributed with this work for additional information
 * regarding copyright ownership.  The ASF licenses this file
 * to you under the Apache License, Version 2.0 (the
 * "License"); you may not use this file except in compliance
 * with the License.  You may obtain a copy of the License at
 * 
 *   http://www.apache.org/licenses/LICENSE-2.0
 * 
 * Unless required by applicable law or agreed to in writing,
 * software distributed under the License is distributed on an
 * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
 * KIND, either express or implied.  See the License for the
 * specific language governing permissions and limitations
 * under the License.
 */
'use strict';

var gulp = require('gulp'),
    runSequence = require('run-sequence');

var $ = require('gulp-load-plugins')({
  pattern: ['gulp-*', 'main-bower-files', 'uglify-save-license', 'del']
});

gulp.task('styles', ['wiredep', 'injector:css:preprocessor'], function () {
  return gulp.src(['src/app/index.scss', 'src/app/vendor.scss'])
    .pipe($.sass({style: 'expanded'}))
    .on('error', function handleError(err) {
      console.error(err.toString());
      this.emit('end');
    })
    .pipe($.autoprefixer('last 1 version'))
    .pipe(gulp.dest('.tmp/app/'));
});

gulp.task('injector:css:preprocessor', function () {
  return gulp.src('src/app/index.scss')
    .pipe($.inject(gulp.src([
        'src/{app,components}/**/*.scss',
        '!src/app/index.scss',
        '!src/app/vendor.scss' 
      ], {read: false}), {
      transform: function(filePath) {
        filePath = filePath.replace('src/app/', '');
        filePath = filePath.replace('src/components/', '../components/');
        return '@import \'' + filePath + '\';';
      },
      starttag: '// injector',
      endtag: '// endinjector',
      addRootSlash: false
    }))
    .pipe(gulp.dest('src/app/'));
});

gulp.task('injector:css', ['styles'], function () {
  return gulp.src('src/index.html')
    .pipe($.inject(gulp.src([
        '.tmp/{app,components}/**/*.css',
        '!.tmp/app/vendor.css'
      ], {read: false}), {
      ignorePath: '.tmp',
      addRootSlash: false
    }))
    .pipe(gulp.dest('src/'));
});

gulp.task('jshint', function () {
  return gulp.src('src/{app,components}/**/*.js')
    .pipe($.jshint())
    .pipe($.jshint.reporter('jshint-stylish'));
});

gulp.task('injector:js', ['jshint', 'injector:css'], function () {
  return gulp.src('src/index.html')
    .pipe($.inject(gulp.src([
        'src/{app,components,vendor}/**/*.js',
        '!src/{app,components,vendor}/**/*.spec.js',
        '!src/{app,components,vendor}/**/*.mock.js'
      ], {read: false}), {
      ignorePath: 'src',
      addRootSlash: false
    }))
    .pipe(gulp.dest('src/'));
});

gulp.task('partials', function () {
  return gulp.src('src/{app,components}/**/*.html')
    .pipe($.htmlmin({
      empty: true,
      spare: true,
      quotes: true
    }))
    .pipe($.angularTemplatecache('templateCacheHtml.js', {
      module: 'odeConsole'
    }))
    .pipe(gulp.dest('.tmp/inject/'));
});

gulp.task('html', ['wiredep', 'injector:css', 'injector:js', 'partials'], function () {
  var htmlFilter = $.filter('*.html',{restore: true});
  var jsFilter = $.filter('**/*.js',{restore: true});
  var cssFilter = $.filter('**/*.css',{restore: true});

  return gulp.src('src/*.html')
    .pipe($.inject(gulp.src('.tmp/inject/templateCacheHtml.js', {read: false}), {
      starttag: '<!-- inject:partials -->',
      ignorePath: '.tmp',
      addRootSlash: false
    }))
    .pipe($.useref())
    //.pipe($.rev())
    .pipe(jsFilter)
    .pipe($.ngAnnotate())
    .pipe($.uglify({preserveComments: $.uglifySaveLicense}))
    .pipe(jsFilter.restore)
    .pipe(cssFilter)
    .pipe($.replace('bower_components/bootstrap-sass-official/assets/fonts/bootstrap','styles/fonts'))
    .pipe($.csso())
    .pipe(cssFilter.restore)
    .pipe($.useref())
    .pipe($.revReplace())
    .pipe(htmlFilter)
    .pipe($.htmlmin({
      empty: true,
      spare: true,
      quotes: true
    }))
    .pipe(htmlFilter.restore)
    .pipe(gulp.dest('dist/'))
    .pipe($.size({ title: 'dist/', showFiles: true }));
});

gulp.task('images', function () {
  return gulp.src('src/assets/images/**/*')
    .pipe($.cache($.imagemin({
      optimizationLevel: 3,
      progressive: true,
      interlaced: true
    })))
    .pipe(gulp.dest('dist/assets/images/'));
});

gulp.task('fonts', function () {
  return gulp.src($.mainBowerFiles())
    .pipe($.filter('**/*.{eot,svg,ttf,woff,woff2}'))
    .pipe($.flatten())
    .pipe(gulp.dest('dist/styles/fonts/'));
});

gulp.task('misc', function () {
  return gulp.src('src/**/*.ico')
    .pipe(gulp.dest('dist/'));
});

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

gulp.task('build', function(done){
    runSequence('clean', 'html', 'images', 'fonts', 'misc',done);
});