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'use strict';
// generated on 2014-04-23 using generator-gulp-bootstrap 0.0.1

var gulp = require('gulp');
var browserSync = require('browser-sync');

// load plugins
var $ = require('gulp-load-plugins')();

gulp.task('styles', function () {
    return gulp.src('app/styles/main.scss')
        .pipe($.plumber());
        .pipe($.sass({includePaths: ['app/styles']}))
        .pipe($.autoprefixer('last 1 version'))
        .pipe(gulp.dest('app/styles'))
        .pipe(browserSync.reload({stream:true}))
        .pipe($.size())
});

gulp.task('scripts', function () {
    return gulp.src('app/scripts/**/*.js')
        .pipe($.jshint())
        .pipe($.jshint.reporter($.jshintStylish))
        .pipe($.size());
});

gulp.task('html', ['styles', 'scripts'], function () {
    var jsFilter = $.filter('**/*.js');
    var cssFilter = $.filter('**/*.css');

    return gulp.src('app/*.html')
        .pipe($.useref.assets())
        .pipe(jsFilter)
        .pipe($.uglify())
        .pipe(jsFilter.restore())
        .pipe(cssFilter)
        .pipe($.csso())
        .pipe(cssFilter.restore())
        .pipe($.useref.restore())
        .pipe($.useref())
        .pipe(gulp.dest('dist'))
        .pipe($.size());
});

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

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

gulp.task('clean', function () {
    return gulp.src(['app/styles/main.css', 'dist'], { read: false }).pipe($.clean());
});

gulp.task('build', ['html', 'images', 'fonts']);

gulp.task('default', ['clean'], function () {
    gulp.start('build');
});

gulp.task('browser-sync', function() {
    browserSync.init(null, {
        server: {
            baseDir: "app"
        },
        // Append '.xip.io' to the hostname. (eg: http://192.168.0.4.xip.io:3002)
        hostnameSuffix: ".xip.io"
    });
});

gulp.task('serve', ['browser-sync', 'styles']);

// inject bower components
gulp.task('wiredep', function () {
    var wiredep = require('wiredep').stream;
    gulp.src('app/styles/*.scss')
        .pipe(wiredep({
            directory: 'app/bower_components'
        }))
        .pipe(gulp.dest('app/styles'));
    gulp.src('app/*.html')
        .pipe(wiredep({
            directory: 'app/bower_components',
            exclude: ['bootstrap-sass-official']
        }))
        .pipe(gulp.dest('app'));
});

gulp.task('watch', ['serve'], function () {

    // watch for changes
    gulp.watch([
        "app/*.html"
    ]).on('change', function () {
        browserSync.reload();
    });

    gulp.watch('app/styles/*.scss', ['styles']).on('error', $.util.log);
    gulp.watch('app/scripts/**/*.js', ['scripts']).on('error', $.util.log);
    gulp.watch('app/images/**/*', ['images']).on('error', $.util.log);
    gulp.watch('bower.json', ['wiredep']).on('error', $.util.log);
});